/**
 * Copyright since 2025 Mifos Initiative
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

/**
 * Sample Investment (Treasury) data — dummy static data modelled on a legacy CBS "Investment"
 * menu (FD / Govt Security / Non-SLR / Bond / Mutual Fund / Share), covering Purchase, Interest,
 * Sell/Redeem, Write-off and Amortize entries, master data, and reports.
 *
 * Maturity amount and accrued interest are always DERIVED from principal/rate/dates via the
 * helper functions below — never hand-duplicated — so the Dashboard, per-instrument Holdings
 * lists, and Reports can never drift out of sync with each other.
 */

export type InstrumentType = 'FD' | 'GOVT_SECURITY' | 'NON_SLR' | 'BOND' | 'MUTUAL_FUND' | 'SHARE';
export type HoldingStatus = 'ACTIVE' | 'MATURED' | 'SOLD' | 'WRITTEN_OFF';
export type InterestFreq = 'MONTHLY' | 'QUARTERLY' | 'HALF_YEARLY' | 'YEARLY' | 'CUMULATIVE';
export type TxnType =
  | 'PURCHASE'
  | 'INTEREST'
  | 'INTEREST_RECEIVED'
  | 'DIVIDEND'
  | 'SELL'
  | 'REDEEM'
  | 'WRITE_OFF'
  | 'AMORTIZE'
  | 'PART_PAYMENT';

export const INSTRUMENT_LABELS: Record<InstrumentType, string> = {
  FD: 'Fixed Deposit',
  GOVT_SECURITY: 'Govt Security',
  NON_SLR: 'Non-SLR',
  BOND: 'Bond',
  MUTUAL_FUND: 'Mutual Fund',
  SHARE: 'Share'
};

/** RBI investment-provisioning classification. A holding with no `provisionStatus` (or
 *  explicitly 'STANDARD') is performing normally. Once classified Sub-Standard/Doubtful/Loss —
 *  a Non-Performing Investment (NPI), the loan-book equivalent of an NPA — interest can no
 *  longer be recognised on accrual basis (see canAccrueInterest()) and a provision must be held
 *  against the investment (see provisionRequiredInv()). */
export type InvestmentProvisionStatus = 'STANDARD' | 'SUB_STANDARD' | 'DOUBTFUL' | 'LOSS';

export const PROVISION_STATUS_LABELS: Record<InvestmentProvisionStatus, string> = {
  STANDARD: 'Standard',
  SUB_STANDARD: 'Sub-Standard (NPI)',
  DOUBTFUL: 'Doubtful (NPI)',
  LOSS: 'Loss (NPI)'
};

/**
 * Portfolio-policy target — % of the total investment corpus each instrument type should hold.
 * Compared against actual holdings on the Dashboard so a treasury desk can see at a glance where
 * the book has drifted from policy. Four of these six trace back to real RBI rules for Urban
 * Co-operative Banks (RBI Master Direction/Circular — Investment Portfolio of Primary (Urban)
 * Co-operative Banks):
 *   • SLR: UCBs must hold 18% of NDTL in approved securities — predominantly Central/State Govt
 *     securities (and SLR-eligible State Development Loan bonds). A well-run treasury holds a
 *     safety buffer above the bare floor, so Govt Security dominates the book far beyond the 18%
 *     minimum — it isn't itself an upper target, just the reason this bucket is the largest.
 *   • Non-SLR ceiling: a UCB's Non-SLR investments must not exceed 10% of its total deposits as
 *     on 31 March of the previous year — a hard regulatory cap, not a board choice.
 *   • Mutual Funds: RBI permits UCBs to invest only in debt-oriented schemes of SEBI-registered
 *     mutual funds, in strictly limited amounts — equity/balanced schemes are not permitted.
 *   • Shares: RBI does not permit UCBs to invest in equity shares of companies as a general
 *     investment class; any "Share" holding is essentially the (small, largely static) shares a
 *     UCB holds in affiliated co-operative institutions, not a discretionary trading book.
 * Fixed Deposit (treasury placements with other banks) and Bond (a mix of SLR-eligible SDL and
 * Non-SLR PSU/FI bonds) have no RBI-mandated percentage of their own — their split here is a
 * board-approved policy choice within the room RBI's SLR/Non-SLR framework leaves.
 */
export const TARGET_ALLOCATION_PCT: Record<InstrumentType, number> = {
  GOVT_SECURITY: 55,
  BOND: 18,
  FD: 15,
  NON_SLR: 7,
  MUTUAL_FUND: 3,
  SHARE: 2
};

/** True for the instrument types whose target traces to an actual RBI rule (SLR floor / Non-SLR
 *  ceiling) rather than a board-only policy choice — see TARGET_ALLOCATION_PCT's doc comment. */
export const ALLOCATION_TARGET_IS_RBI_LINKED: Record<InstrumentType, boolean> = {
  GOVT_SECURITY: true,
  BOND: false,
  FD: false,
  NON_SLR: true,
  MUTUAL_FUND: true,
  SHARE: true
};

export interface InvestmentHolding {
  certNo: string;
  instrumentType: InstrumentType;
  scriptCode: string;
  scriptName: string;
  party: string;
  subType: string;
  faceValue: number;
  purchaseRate: number;
  units: number;
  purchaseDate: string;
  maturityDate: string;
  interestRate: number;
  interestFreq: InterestFreq;
  glCode: string;
  glName: string;
  crToAc: string;
  brokerCode: string;
  status: HoldingStatus;
  /** Absent/'STANDARD' for a healthy holding. Drives canAccrueInterest() and provisioning. */
  provisionStatus?: InvestmentProvisionStatus;
  /** Cumulative interest posted (booked as an accrual receivable/income entry) to date. */
  interestPosted?: number;
  /** Cumulative interest actually received in cash to date. */
  interestReceived?: number;
  /** DD-MM-YYYY through which interest has already been calculated & posted. accruedInterestBetween()
   *  never re-counts days up to this date, so re-running a Calculation & Post for an overlapping
   *  or repeated period always yields 0 instead of double-posting the same interest. */
  interestPostedTillDate?: string;
}

export interface InvestmentTxn {
  certNo: string;
  instrumentType: InstrumentType;
  txnType: TxnType;
  voucherNo: string;
  txnDate: string;
  amount: number;
  particulars: string;
  /** GL account this entry was posted/received against — the Interest Income GL for a Post,
   *  the Cash/Bank GL for a Receive. Absent on older/seeded entries that predate GL selection. */
  glCode?: string;
  glName?: string;
}

// -------------------- Date / interest helpers --------------------

export function parseDDMMYYYY(s: string): Date {
  const [
    dd,
    mm,
    yyyy
  ] = s.split('-').map(Number);
  return new Date(yyyy, mm - 1, dd);
}

export function yearsBetween(d1: string, d2: string): number {
  const a = parseDDMMYYYY(d1).getTime();
  const b = parseDDMMYYYY(d2).getTime();
  return (b - a) / (365.25 * 24 * 3600 * 1000);
}

/** Maturity amount — compounded annually for cumulative instruments, principal-only otherwise
 *  (non-cumulative interest is paid out periodically instead of being added to the corpus). */
export function maturityAmount(h: InvestmentHolding): number {
  const yrs = yearsBetween(h.purchaseDate, h.maturityDate);
  if (h.interestFreq === 'CUMULATIVE') {
    return Math.round(h.faceValue * Math.pow(1 + h.interestRate / 100, yrs));
  }
  return h.faceValue;
}

/** Interest accrued from purchase up to `asOnStr`, capped at the maturity date. */
export function accruedInterest(h: InvestmentHolding, asOnStr: string): number {
  const cap = Math.min(yearsBetween(h.purchaseDate, asOnStr), yearsBetween(h.purchaseDate, h.maturityDate));
  const yrs = Math.max(0, cap);
  return Math.round(h.faceValue * (h.interestRate / 100) * yrs);
}

export function daysToMaturity(h: InvestmentHolding, asOnStr: string): number {
  const asOn = parseDDMMYYYY(asOnStr).getTime();
  const mat = parseDDMMYYYY(h.maturityDate).getTime();
  return Math.round((mat - asOn) / (24 * 3600 * 1000));
}

// -------------------- Provisioning & interest-lifecycle helpers --------------------

export function isNpi(h: InvestmentHolding): boolean {
  return (h.provisionStatus ?? 'STANDARD') !== 'STANDARD';
}

export function provisionRatePctInv(status: InvestmentProvisionStatus): number {
  switch (status) {
    case 'STANDARD':
      return 0;
    case 'SUB_STANDARD':
      return 25;
    case 'DOUBTFUL':
      return 50;
    case 'LOSS':
      return 100;
  }
}

/** Provision required against the investment itself (principal), same idea as NPA provisioning
 *  on a loan book — computed on face value since that is this module's carrying-value figure. */
export function provisionRequiredInv(h: InvestmentHolding): number {
  return Math.round(h.faceValue * (provisionRatePctInv(h.provisionStatus ?? 'STANDARD') / 100));
}

/** Interest can only be recognised on an accrual basis (posted as a receivable/income entry)
 *  while the investment is Standard. Once it is classified Non-Performing (Sub-Standard/
 *  Doubtful/Loss), RBI income-recognition norms require interest to move to cash basis — i.e.
 *  it is recognised only when actually received, never posted as an accrual receivable. */
export function canAccrueInterest(h: InvestmentHolding): boolean {
  return !isNpi(h);
}

/** Outstanding "Interest Receivable" GL balance — interest already posted (booked as income)
 *  but not yet actually received in cash. Always 0 for an NPI holding, since nothing is ever
 *  posted as a receivable on one. */
export function interestReceivableBalance(h: InvestmentHolding): number {
  if (!canAccrueInterest(h)) {
    return 0;
  }
  return Math.max(0, (h.interestPosted ?? 0) - (h.interestReceived ?? 0));
}

/** For an NPI holding, interest keeps accruing notionally but is held in memo/suspense — never
 *  posted as an asset or recognised as income — until it is actually collected in cash. */
export function suspenseInterest(h: InvestmentHolding, asOnStr: string): number {
  if (canAccrueInterest(h)) {
    return 0;
  }
  return Math.max(0, accruedInterest(h, asOnStr) - (h.interestReceived ?? 0));
}

/** Interest accrued strictly within [fromStr, toStr], clipped to the holding's own
 *  purchase→maturity window — the basis for a period-based Interest Calculation & Post run
 *  (as opposed to accruedInterest(), which is always measured from purchase date). Returns 0
 *  for a Non-Performing holding, same accrual-basis rule as accruedInterest(). */
export function accruedInterestBetween(h: InvestmentHolding, fromStr: string, toStr: string): number {
  if (!canAccrueInterest(h)) {
    return 0;
  }
  const purchase = parseDDMMYYYY(h.purchaseDate).getTime();
  const maturity = parseDDMMYYYY(h.maturityDate).getTime();
  const postedTill = h.interestPostedTillDate ? parseDDMMYYYY(h.interestPostedTillDate).getTime() : purchase;
  const from = Math.max(parseDDMMYYYY(fromStr).getTime(), purchase, postedTill);
  const to = Math.min(parseDDMMYYYY(toStr).getTime(), maturity);
  const days = Math.max(0, (to - from) / (24 * 3600 * 1000));
  return Math.round(h.faceValue * (h.interestRate / 100) * (days / 365.25));
}

export function formatDDMMYYYY(d: Date): string {
  return `${String(d.getDate()).padStart(2, '0')}-${String(d.getMonth() + 1).padStart(2, '0')}-${d.getFullYear()}`;
}

/** Adds a period (years/months/days) to a DD-MM-YYYY date string — used to compute Maturity Date
 *  from an entry form's Deposit/Deal Date + Period Year/Month/Days fields. */
export function addPeriod(dateStr: string, years: number, months: number, days = 0): string {
  const d = parseDDMMYYYY(dateStr);
  d.setFullYear(d.getFullYear() + (years || 0));
  d.setMonth(d.getMonth() + (months || 0));
  d.setDate(d.getDate() + (days || 0));
  return formatDDMMYYYY(d);
}

export function todayDDMMYYYY(): string {
  return formatDDMMYYYY(new Date());
}

// -------------------- Holdings (dummy portfolio) --------------------

export const FD_HOLDINGS: InvestmentHolding[] = [
  {
    certNo: '15620',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'Jila Sahakari Kendriya Bank',
    subType: 'NON SLR',
    faceValue: 2401711,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '23-06-2026',
    maturityDate: '23-12-2028',
    interestRate: 6.75,
    interestFreq: 'CUMULATIVE',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: '15621',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'ABC Cooperative Bank Ltd',
    subType: 'NON SLR',
    faceValue: 1500000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '10-01-2026',
    maturityDate: '10-01-2029',
    interestRate: 7.0,
    interestFreq: 'CUMULATIVE',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: '15622',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'State Cooperative Bank Ltd',
    subType: 'NON SLR',
    faceValue: 5000000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '05-03-2024',
    maturityDate: '05-03-2026',
    interestRate: 6.5,
    interestFreq: 'YEARLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'MATURED'
  },
  {
    certNo: '15623',
    instrumentType: 'FD',
    scriptCode: 'FD-MIP',
    scriptName: 'Monthly Interest Payout FD',
    party: 'District Central Cooperative Bank',
    subType: 'NON SLR',
    faceValue: 1000000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '15-05-2026',
    maturityDate: '15-05-2027',
    interestRate: 7.25,
    interestFreq: 'MONTHLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE',
    interestPosted: 42000,
    interestReceived: 36000
  },
  {
    certNo: '15624',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'Urban Cooperative Bank Ltd',
    subType: 'NON SLR',
    faceValue: 2500000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '20-02-2024',
    maturityDate: '20-02-2026',
    interestRate: 6.9,
    interestFreq: 'QUARTERLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'MATURED'
  },
  {
    certNo: '15625',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'Nagrik Sahakari Bank Ltd',
    subType: 'NON SLR',
    faceValue: 800000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '01-04-2026',
    maturityDate: '01-04-2028',
    interestRate: 7.1,
    interestFreq: 'HALF_YEARLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: '15626',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'Maharashtra State Cooperative Bank',
    subType: 'NON SLR',
    faceValue: 3500000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '12-07-2025',
    maturityDate: '12-07-2027',
    interestRate: 6.6,
    interestFreq: 'YEARLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE',
    provisionStatus: 'DOUBTFUL',
    interestPosted: 115500,
    interestReceived: 50000
  },
  {
    certNo: '15627',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'Rajasthan State Cooperative Bank',
    subType: 'NON SLR',
    faceValue: 1250000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '18-06-2026',
    maturityDate: '18-06-2029',
    interestRate: 7.0,
    interestFreq: 'QUARTERLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: '15628',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'Zilla Sahakari Bank Ltd',
    subType: 'NON SLR',
    faceValue: 1800000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '20-08-2025',
    maturityDate: '20-08-2026',
    interestRate: 6.8,
    interestFreq: 'CUMULATIVE',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: '15629',
    instrumentType: 'FD',
    scriptCode: 'FD-MIP',
    scriptName: 'Monthly Interest Payout FD',
    party: 'Vidarbha Cooperative Bank',
    subType: 'NON SLR',
    faceValue: 2200000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '25-09-2025',
    maturityDate: '25-09-2026',
    interestRate: 7.15,
    interestFreq: 'MONTHLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE',
    interestPosted: 143220,
    interestReceived: 130800
  },
  {
    certNo: '15630',
    instrumentType: 'FD',
    scriptCode: 'FD-CUM',
    scriptName: 'Cumulative Fixed Deposit',
    party: 'Konkan Cooperative Bank Ltd',
    subType: 'NON SLR',
    faceValue: 900000,
    purchaseRate: 100,
    units: 1,
    purchaseDate: '28-10-2024',
    maturityDate: '28-10-2026',
    interestRate: 6.75,
    interestFreq: 'YEARLY',
    glCode: '320020',
    glName: 'FIXED DEPO. CO-OPER. BANK MAIN',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  }
];

export const GOVT_SECURITY_HOLDINGS: InvestmentHolding[] = [
  {
    certNo: 'GSEC-2001',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'IN0020230012',
    scriptName: '7.26% GOI 2033',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 5000000,
    purchaseRate: 99.5,
    units: 50000,
    purchaseDate: '15-01-2026',
    maturityDate: '15-01-2033',
    interestRate: 7.26,
    interestFreq: 'HALF_YEARLY',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-002',
    status: 'ACTIVE',
    interestPosted: 181500,
    interestReceived: 150000
  },
  {
    certNo: 'GSEC-2002',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'IN0020220089',
    scriptName: '7.10% GOI 2029',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 3000000,
    purchaseRate: 100.25,
    units: 30000,
    purchaseDate: '10-03-2025',
    maturityDate: '10-03-2029',
    interestRate: 7.1,
    interestFreq: 'HALF_YEARLY',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-001',
    status: 'ACTIVE'
  },
  {
    certNo: 'GSEC-2003',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'IN0020210056',
    scriptName: '6.79% GOI 2027',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 2000000,
    purchaseRate: 101.1,
    units: 20000,
    purchaseDate: '05-06-2024',
    maturityDate: '05-06-2027',
    interestRate: 6.79,
    interestFreq: 'HALF_YEARLY',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-002',
    status: 'ACTIVE',
    interestPosted: 67900,
    interestReceived: 67900
  },
  {
    certNo: 'GSEC-2004',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'IN0020240034',
    scriptName: '7.18% GOI 2037',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 4000000,
    purchaseRate: 98.75,
    units: 40000,
    purchaseDate: '22-04-2026',
    maturityDate: '22-04-2037',
    interestRate: 7.18,
    interestFreq: 'HALF_YEARLY',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-001',
    status: 'ACTIVE'
  },
  {
    certNo: 'GSEC-2005',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'TBILL-364D',
    scriptName: '364 Days Treasury Bill',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 1500000,
    purchaseRate: 96.4,
    units: 15000,
    purchaseDate: '02-07-2026',
    maturityDate: '02-07-2027',
    interestRate: 6.4,
    interestFreq: 'CUMULATIVE',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-003',
    status: 'ACTIVE'
  },
  {
    certNo: 'GSEC-2006',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'MH-SDL-2031',
    scriptName: '8.05% Maharashtra SDL 2031',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 2500000,
    purchaseRate: 100.5,
    units: 25000,
    purchaseDate: '15-02-2025',
    maturityDate: '15-02-2031',
    interestRate: 8.05,
    interestFreq: 'HALF_YEARLY',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-002',
    status: 'ACTIVE'
  },
  {
    certNo: 'GSEC-2007',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'TBILL-91D',
    scriptName: '91 Days Treasury Bill',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 2000000,
    purchaseRate: 98.2,
    units: 20000,
    purchaseDate: '15-05-2026',
    maturityDate: '13-08-2026',
    interestRate: 6.2,
    interestFreq: 'CUMULATIVE',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-003',
    status: 'ACTIVE'
  },
  {
    certNo: 'GSEC-2008',
    instrumentType: 'GOVT_SECURITY',
    scriptCode: 'GJ-SDL-2026',
    scriptName: '7.85% Gujarat SDL 2026',
    party: 'RBI - SGL',
    subType: 'SLR',
    faceValue: 1800000,
    purchaseRate: 100.2,
    units: 18000,
    purchaseDate: '18-09-2025',
    maturityDate: '18-09-2026',
    interestRate: 7.85,
    interestFreq: 'HALF_YEARLY',
    glCode: '310020',
    glName: 'INVESTMENT IN GOVT. SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-001',
    status: 'ACTIVE'
  }
];

export const NON_SLR_HOLDINGS: InvestmentHolding[] = [
  {
    certNo: 'NSLR-3001',
    instrumentType: 'NON_SLR',
    scriptCode: 'REC-7.5-2031',
    scriptName: 'REC Ltd Bond 7.50% 2031',
    party: 'REC Limited',
    subType: 'NON SLR',
    faceValue: 2000000,
    purchaseRate: 100,
    units: 20000,
    purchaseDate: '11-08-2025',
    maturityDate: '11-08-2031',
    interestRate: 7.5,
    interestFreq: 'YEARLY',
    glCode: '310030',
    glName: 'INVESTMENT IN NON SLR SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-004',
    status: 'ACTIVE'
  },
  {
    certNo: 'NSLR-3002',
    instrumentType: 'NON_SLR',
    scriptCode: 'NABARD-7.35-2030',
    scriptName: 'NABARD Bond 7.35% 2030',
    party: 'NABARD',
    subType: 'NON SLR',
    faceValue: 1500000,
    purchaseRate: 100,
    units: 15000,
    purchaseDate: '20-09-2025',
    maturityDate: '20-09-2030',
    interestRate: 7.35,
    interestFreq: 'YEARLY',
    glCode: '310030',
    glName: 'INVESTMENT IN NON SLR SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-004',
    status: 'ACTIVE'
  },
  {
    certNo: 'NSLR-3003',
    instrumentType: 'NON_SLR',
    scriptCode: 'SIDBI-7.4-2029',
    scriptName: 'SIDBI Bond 7.40% 2029',
    party: 'SIDBI',
    subType: 'NON SLR',
    faceValue: 1000000,
    purchaseRate: 100,
    units: 10000,
    purchaseDate: '02-11-2025',
    maturityDate: '02-11-2029',
    interestRate: 7.4,
    interestFreq: 'YEARLY',
    glCode: '310030',
    glName: 'INVESTMENT IN NON SLR SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-003',
    status: 'ACTIVE'
  },
  {
    certNo: 'NSLR-3004',
    instrumentType: 'NON_SLR',
    scriptCode: 'HUDCO-7.6-2032',
    scriptName: 'HUDCO Bond 7.60% 2032',
    party: 'HUDCO',
    subType: 'NON SLR',
    faceValue: 1800000,
    purchaseRate: 100,
    units: 18000,
    purchaseDate: '14-12-2025',
    maturityDate: '14-12-2032',
    interestRate: 7.6,
    interestFreq: 'YEARLY',
    glCode: '310030',
    glName: 'INVESTMENT IN NON SLR SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-004',
    status: 'ACTIVE'
  },
  {
    certNo: 'NSLR-3005',
    instrumentType: 'NON_SLR',
    scriptCode: 'PFC-7.45-2028',
    scriptName: 'PFC Bond 7.45% 2028',
    party: 'Power Finance Corporation',
    subType: 'NON SLR',
    faceValue: 1200000,
    purchaseRate: 100,
    units: 12000,
    purchaseDate: '08-01-2026',
    maturityDate: '08-01-2028',
    interestRate: 7.45,
    interestFreq: 'YEARLY',
    glCode: '310030',
    glName: 'INVESTMENT IN NON SLR SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-003',
    status: 'ACTIVE',
    interestPosted: 89400,
    interestReceived: 60000
  },
  {
    certNo: 'NSLR-3006',
    instrumentType: 'NON_SLR',
    scriptCode: 'IRFC-7.55-2026',
    scriptName: 'IRFC Bond 7.55% 2026',
    party: 'Indian Railway Finance Corp',
    subType: 'NON SLR',
    faceValue: 1600000,
    purchaseRate: 100,
    units: 16000,
    purchaseDate: '25-08-2025',
    maturityDate: '25-08-2026',
    interestRate: 7.55,
    interestFreq: 'YEARLY',
    glCode: '310030',
    glName: 'INVESTMENT IN NON SLR SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-004',
    status: 'ACTIVE'
  },
  {
    certNo: 'NSLR-3007',
    instrumentType: 'NON_SLR',
    scriptCode: 'NHB-7.3-2026',
    scriptName: 'NHB Bond 7.30% 2026',
    party: 'National Housing Bank',
    subType: 'NON SLR',
    faceValue: 1000000,
    purchaseRate: 100,
    units: 10000,
    purchaseDate: '10-10-2025',
    maturityDate: '10-10-2026',
    interestRate: 7.3,
    interestFreq: 'YEARLY',
    glCode: '310030',
    glName: 'INVESTMENT IN NON SLR SECURITIES',
    crToAc: '310070',
    brokerCode: 'BRK-003',
    status: 'ACTIVE'
  }
];

export const BOND_HOLDINGS: InvestmentHolding[] = [
  {
    certNo: 'BOND-4001',
    instrumentType: 'BOND',
    scriptCode: 'LTF-8.1-2028',
    scriptName: 'L&T Finance NCD 8.10% 2028',
    party: 'L&T Finance Ltd',
    subType: 'CORPORATE BOND',
    faceValue: 1000000,
    purchaseRate: 100,
    units: 10000,
    purchaseDate: '05-02-2026',
    maturityDate: '05-02-2028',
    interestRate: 8.1,
    interestFreq: 'YEARLY',
    glCode: '310040',
    glName: 'INVESTMENT IN CORPORATE BONDS',
    crToAc: '310070',
    brokerCode: 'BRK-005',
    status: 'ACTIVE'
  },
  {
    certNo: 'BOND-4002',
    instrumentType: 'BOND',
    scriptCode: 'BAF-7.95-2027',
    scriptName: 'Bajaj Finance NCD 7.95% 2027',
    party: 'Bajaj Finance Ltd',
    subType: 'CORPORATE BOND',
    faceValue: 1500000,
    purchaseRate: 100,
    units: 15000,
    purchaseDate: '18-03-2026',
    maturityDate: '18-03-2027',
    interestRate: 7.95,
    interestFreq: 'YEARLY',
    glCode: '310040',
    glName: 'INVESTMENT IN CORPORATE BONDS',
    crToAc: '310070',
    brokerCode: 'BRK-005',
    status: 'ACTIVE'
  },
  {
    certNo: 'BOND-4003',
    instrumentType: 'BOND',
    scriptCode: 'TCL-8.05-2029',
    scriptName: 'Tata Capital NCD 8.05% 2029',
    party: 'Tata Capital Ltd',
    subType: 'CORPORATE BOND',
    faceValue: 1200000,
    purchaseRate: 100,
    units: 12000,
    purchaseDate: '25-04-2026',
    maturityDate: '25-04-2029',
    interestRate: 8.05,
    interestFreq: 'YEARLY',
    glCode: '310040',
    glName: 'INVESTMENT IN CORPORATE BONDS',
    crToAc: '310070',
    brokerCode: 'BRK-006',
    status: 'ACTIVE'
  },
  {
    certNo: 'BOND-4004',
    instrumentType: 'BOND',
    scriptCode: 'MUT-8.25-2026',
    scriptName: 'Muthoot Finance NCD 8.25% 2026',
    party: 'Muthoot Finance Ltd',
    subType: 'CORPORATE BOND',
    faceValue: 800000,
    purchaseRate: 100,
    units: 8000,
    purchaseDate: '10-08-2024',
    maturityDate: '10-08-2026',
    interestRate: 8.25,
    interestFreq: 'YEARLY',
    glCode: '310040',
    glName: 'INVESTMENT IN CORPORATE BONDS',
    crToAc: '310070',
    brokerCode: 'BRK-006',
    status: 'ACTIVE',
    provisionStatus: 'SUB_STANDARD',
    interestPosted: 66000,
    interestReceived: 40000
  },
  {
    certNo: 'BOND-4005',
    instrumentType: 'BOND',
    scriptCode: 'STF-8.15-2030',
    scriptName: 'Shriram Transport NCD 8.15% 2030',
    party: 'Shriram Transport Finance',
    subType: 'CORPORATE BOND',
    faceValue: 2000000,
    purchaseRate: 100,
    units: 20000,
    purchaseDate: '30-05-2026',
    maturityDate: '30-05-2030',
    interestRate: 8.15,
    interestFreq: 'YEARLY',
    glCode: '310040',
    glName: 'INVESTMENT IN CORPORATE BONDS',
    crToAc: '310070',
    brokerCode: 'BRK-005',
    status: 'ACTIVE'
  },
  {
    certNo: 'BOND-4006',
    instrumentType: 'BOND',
    scriptCode: 'CHOLA-8.35-2026',
    scriptName: 'Cholamandalam Finance NCD 8.35% 2026',
    party: 'Cholamandalam Investment & Finance',
    subType: 'CORPORATE BOND',
    faceValue: 1400000,
    purchaseRate: 100,
    units: 14000,
    purchaseDate: '15-09-2024',
    maturityDate: '15-09-2026',
    interestRate: 8.35,
    interestFreq: 'YEARLY',
    glCode: '310040',
    glName: 'INVESTMENT IN CORPORATE BONDS',
    crToAc: '310070',
    brokerCode: 'BRK-006',
    status: 'ACTIVE'
  },
  {
    certNo: 'BOND-4007',
    instrumentType: 'BOND',
    scriptCode: 'PEL-8.4-2026',
    scriptName: 'Piramal Enterprises NCD 8.40% 2026',
    party: 'Piramal Enterprises Ltd',
    subType: 'CORPORATE BOND',
    faceValue: 900000,
    purchaseRate: 100,
    units: 9000,
    purchaseDate: '28-10-2025',
    maturityDate: '28-10-2026',
    interestRate: 8.4,
    interestFreq: 'YEARLY',
    glCode: '310040',
    glName: 'INVESTMENT IN CORPORATE BONDS',
    crToAc: '310070',
    brokerCode: 'BRK-005',
    status: 'ACTIVE'
  }
];

export const MUTUAL_FUND_HOLDINGS: InvestmentHolding[] = [
  {
    certNo: 'MF-5001',
    instrumentType: 'MUTUAL_FUND',
    scriptCode: 'SBI-OVN',
    scriptName: 'SBI Overnight Fund',
    party: 'SBI Mutual Fund',
    subType: 'DEBT - OVERNIGHT',
    faceValue: 1000000,
    purchaseRate: 1200.5,
    units: 833.33,
    purchaseDate: '12-01-2026',
    maturityDate: '12-01-2027',
    interestRate: 6.8,
    interestFreq: 'CUMULATIVE',
    glCode: '310050',
    glName: 'INVESTMENT IN MUTUAL FUNDS',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'MF-5002',
    instrumentType: 'MUTUAL_FUND',
    scriptCode: 'HDFC-LIQ',
    scriptName: 'HDFC Liquid Fund',
    party: 'HDFC Mutual Fund',
    subType: 'DEBT - LIQUID',
    faceValue: 1500000,
    purchaseRate: 3800.2,
    units: 394.72,
    purchaseDate: '05-02-2026',
    maturityDate: '05-02-2027',
    interestRate: 6.9,
    interestFreq: 'CUMULATIVE',
    glCode: '310050',
    glName: 'INVESTMENT IN MUTUAL FUNDS',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'MF-5003',
    instrumentType: 'MUTUAL_FUND',
    scriptCode: 'ICICI-MMF',
    scriptName: 'ICICI Pru Money Market Fund',
    party: 'ICICI Prudential Mutual Fund',
    subType: 'DEBT - MONEY MARKET',
    faceValue: 800000,
    purchaseRate: 350.75,
    units: 2280.87,
    purchaseDate: '18-03-2026',
    maturityDate: '18-03-2027',
    interestRate: 7.0,
    interestFreq: 'CUMULATIVE',
    glCode: '310050',
    glName: 'INVESTMENT IN MUTUAL FUNDS',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'MF-5004',
    instrumentType: 'MUTUAL_FUND',
    scriptCode: 'AXIS-BPSU',
    scriptName: 'Axis Banking & PSU Debt Fund',
    party: 'Axis Mutual Fund',
    subType: 'DEBT - BANKING & PSU',
    faceValue: 1200000,
    purchaseRate: 22.4,
    units: 53571.43,
    purchaseDate: '22-04-2026',
    maturityDate: '22-04-2027',
    interestRate: 7.2,
    interestFreq: 'CUMULATIVE',
    glCode: '310050',
    glName: 'INVESTMENT IN MUTUAL FUNDS',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'MF-5005',
    instrumentType: 'MUTUAL_FUND',
    scriptCode: 'KOTAK-OVN',
    scriptName: 'Kotak Overnight Fund',
    party: 'Kotak Mutual Fund',
    subType: 'DEBT - OVERNIGHT',
    faceValue: 600000,
    purchaseRate: 1150.3,
    units: 521.6,
    purchaseDate: '02-06-2026',
    maturityDate: '02-06-2027',
    interestRate: 6.7,
    interestFreq: 'CUMULATIVE',
    glCode: '310050',
    glName: 'INVESTMENT IN MUTUAL FUNDS',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'MF-5006',
    instrumentType: 'MUTUAL_FUND',
    scriptCode: 'SBI-BPSU',
    scriptName: 'SBI Banking & PSU Fund',
    party: 'SBI Mutual Fund',
    subType: 'DEBT - BANKING & PSU',
    faceValue: 700000,
    purchaseRate: 18.6,
    units: 37634.4,
    purchaseDate: '10-09-2025',
    maturityDate: '10-09-2026',
    interestRate: 7.1,
    interestFreq: 'CUMULATIVE',
    glCode: '310050',
    glName: 'INVESTMENT IN MUTUAL FUNDS',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'MF-5007',
    instrumentType: 'MUTUAL_FUND',
    scriptCode: 'ICICI-CB',
    scriptName: 'ICICI Pru Corporate Bond Fund',
    party: 'ICICI Prudential Mutual Fund',
    subType: 'DEBT - CORPORATE BOND',
    faceValue: 1100000,
    purchaseRate: 24.8,
    units: 44354.84,
    purchaseDate: '14-07-2026',
    maturityDate: '14-07-2027',
    interestRate: 7.05,
    interestFreq: 'CUMULATIVE',
    glCode: '310050',
    glName: 'INVESTMENT IN MUTUAL FUNDS',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  }
];

export const SHARE_HOLDINGS: InvestmentHolding[] = [
  {
    certNo: 'SH-6001',
    instrumentType: 'SHARE',
    scriptCode: 'SBIN',
    scriptName: 'State Bank of India',
    party: 'NSE/BSE',
    subType: 'EQUITY',
    faceValue: 375000,
    purchaseRate: 750,
    units: 500,
    purchaseDate: '10-01-2026',
    maturityDate: '10-01-2036',
    interestRate: 2.5,
    interestFreq: 'YEARLY',
    glCode: '310060',
    glName: 'INVESTMENT IN SHARES',
    crToAc: '310070',
    brokerCode: 'BRK-007',
    status: 'ACTIVE'
  },
  {
    certNo: 'SH-6002',
    instrumentType: 'SHARE',
    scriptCode: 'HDFCBANK',
    scriptName: 'HDFC Bank Ltd',
    party: 'NSE/BSE',
    subType: 'EQUITY',
    faceValue: 495000,
    purchaseRate: 1650,
    units: 300,
    purchaseDate: '15-02-2026',
    maturityDate: '15-02-2036',
    interestRate: 1.8,
    interestFreq: 'YEARLY',
    glCode: '310060',
    glName: 'INVESTMENT IN SHARES',
    crToAc: '310070',
    brokerCode: 'BRK-007',
    status: 'ACTIVE'
  },
  {
    certNo: 'SH-6003',
    instrumentType: 'SHARE',
    scriptCode: 'NCDC',
    scriptName: 'National Coop Development Corp',
    party: 'NCDC',
    subType: 'CO-OP SHARE',
    faceValue: 100000,
    purchaseRate: 100,
    units: 1000,
    purchaseDate: '01-04-2025',
    maturityDate: '01-04-2035',
    interestRate: 5.0,
    interestFreq: 'YEARLY',
    glCode: '310060',
    glName: 'INVESTMENT IN SHARES',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'SH-6004',
    instrumentType: 'SHARE',
    scriptCode: 'DCCB',
    scriptName: 'District Cooperative Bank Shares',
    party: 'District Cooperative Bank',
    subType: 'CO-OP SHARE',
    faceValue: 100000,
    purchaseRate: 50,
    units: 2000,
    purchaseDate: '12-05-2025',
    maturityDate: '12-05-2035',
    interestRate: 5.5,
    interestFreq: 'YEARLY',
    glCode: '310060',
    glName: 'INVESTMENT IN SHARES',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'SH-6005',
    instrumentType: 'SHARE',
    scriptCode: 'SCF',
    scriptName: 'State Coop Federation Shares',
    party: 'State Coop Federation',
    subType: 'CO-OP SHARE',
    faceValue: 90000,
    purchaseRate: 60,
    units: 1500,
    purchaseDate: '20-06-2025',
    maturityDate: '20-06-2035',
    interestRate: 5.0,
    interestFreq: 'YEARLY',
    glCode: '310060',
    glName: 'INVESTMENT IN SHARES',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  },
  {
    certNo: 'SH-6006',
    instrumentType: 'SHARE',
    scriptCode: 'ICICIBANK',
    scriptName: 'ICICI Bank Ltd',
    party: 'NSE/BSE',
    subType: 'EQUITY',
    faceValue: 420000,
    purchaseRate: 1050,
    units: 400,
    purchaseDate: '05-03-2026',
    maturityDate: '05-03-2036',
    interestRate: 2.0,
    interestFreq: 'YEARLY',
    glCode: '310060',
    glName: 'INVESTMENT IN SHARES',
    crToAc: '310070',
    brokerCode: 'BRK-007',
    status: 'ACTIVE'
  },
  {
    certNo: 'SH-6007',
    instrumentType: 'SHARE',
    scriptCode: 'PDCC',
    scriptName: 'Pune District Central Coop Bank Shares',
    party: 'Pune District Central Cooperative Bank',
    subType: 'CO-OP SHARE',
    faceValue: 60000,
    purchaseRate: 50,
    units: 1200,
    purchaseDate: '18-07-2025',
    maturityDate: '18-07-2035',
    interestRate: 5.0,
    interestFreq: 'YEARLY',
    glCode: '310060',
    glName: 'INVESTMENT IN SHARES',
    crToAc: '310070',
    brokerCode: '',
    status: 'ACTIVE'
  }
];

export const ALL_HOLDINGS: InvestmentHolding[] = [
  ...FD_HOLDINGS,
  ...GOVT_SECURITY_HOLDINGS,
  ...NON_SLR_HOLDINGS,
  ...BOND_HOLDINGS,
  ...MUTUAL_FUND_HOLDINGS,
  ...SHARE_HOLDINGS
];

// -------------------- Transaction log --------------------

/** A Purchase txn for every holding (so every Holdings-list row has a matching ledger entry),
 *  plus a handful of hand-authored Interest/Sell/Write-off entries for realism. */
function purchaseTxns(): InvestmentTxn[] {
  return ALL_HOLDINGS.map((h, i) => ({
    certNo: h.certNo,
    instrumentType: h.instrumentType,
    txnType: 'PURCHASE' as TxnType,
    voucherNo: `INV/PUR/${1000 + i}`,
    txnDate: h.purchaseDate,
    amount: h.faceValue,
    particulars: `Purchase of ${h.scriptName} - ${h.party}`
  }));
}

export const EXTRA_TXNS: InvestmentTxn[] = [
  {
    certNo: '15622',
    instrumentType: 'FD',
    txnType: 'REDEEM',
    voucherNo: 'INV/RED/2001',
    txnDate: '05-03-2026',
    amount: 5000000 + Math.round(5000000 * 0.065 * 2),
    particulars: 'Maturity redemption - State Cooperative Bank Ltd FD'
  },
  {
    certNo: '15624',
    instrumentType: 'FD',
    txnType: 'REDEEM',
    voucherNo: 'INV/RED/2002',
    txnDate: '20-02-2026',
    amount: 2500000,
    particulars: 'Maturity redemption (non-cumulative) - Urban Cooperative Bank Ltd FD'
  },
  {
    certNo: 'GSEC-2003',
    instrumentType: 'GOVT_SECURITY',
    txnType: 'INTEREST',
    voucherNo: 'INV/INT/3001',
    txnDate: '05-06-2026',
    amount: Math.round(2000000 * 0.0679 * 0.5),
    particulars: 'Half-yearly coupon - 6.79% GOI 2027'
  },
  {
    certNo: 'GSEC-2001',
    instrumentType: 'GOVT_SECURITY',
    txnType: 'INTEREST',
    voucherNo: 'INV/INT/3002',
    txnDate: '15-07-2026',
    amount: Math.round(5000000 * 0.0726 * 0.5),
    particulars: 'Half-yearly coupon - 7.26% GOI 2033'
  },
  {
    certNo: 'NSLR-3005',
    instrumentType: 'NON_SLR',
    txnType: 'INTEREST',
    voucherNo: 'INV/INT/3003',
    txnDate: '08-01-2027',
    amount: Math.round(1200000 * 0.0745),
    particulars: 'Annual coupon - PFC Bond 7.45% 2028'
  },
  {
    certNo: 'BOND-4004',
    instrumentType: 'BOND',
    txnType: 'INTEREST',
    voucherNo: 'INV/INT/3004',
    txnDate: '10-08-2025',
    amount: Math.round(800000 * 0.0825),
    particulars: 'Annual coupon - Muthoot Finance NCD 8.25% 2026'
  },
  {
    certNo: 'MF-5001',
    instrumentType: 'MUTUAL_FUND',
    txnType: 'SELL',
    voucherNo: 'INV/SEL/4001',
    txnDate: '20-06-2026',
    amount: 250000,
    particulars: 'Partial redemption - SBI Overnight Fund (200 units)'
  },
  {
    certNo: 'SH-6002',
    instrumentType: 'SHARE',
    txnType: 'DIVIDEND',
    voucherNo: 'INV/DIV/5001',
    txnDate: '25-06-2026',
    amount: Math.round(300 * 19),
    particulars: 'Dividend received - HDFC Bank Ltd (Rs 19/share)'
  },
  {
    certNo: 'SH-6001',
    instrumentType: 'SHARE',
    txnType: 'DIVIDEND',
    voucherNo: 'INV/DIV/5002',
    txnDate: '18-06-2026',
    amount: Math.round(500 * 13.7),
    particulars: 'Dividend received - State Bank of India (Rs 13.70/share)'
  },
  {
    certNo: 'BOND-4004',
    instrumentType: 'BOND',
    txnType: 'WRITE_OFF',
    voucherNo: 'INV/WOF/6001',
    txnDate: '15-07-2026',
    amount: 0,
    particulars: 'Reserved - no write-offs booked this year (sample entry)'
  }
];

export const ALL_TXNS: InvestmentTxn[] = [
  ...purchaseTxns(),
  ...EXTRA_TXNS
];

// -------------------- Masters --------------------

export interface InvestmentGlOption {
  glCode: string;
  glName: string;
}

/** Interest Income (Cr) GL per instrument type — the GL an Interest Calculation & Post run
 *  credits. Selectable on the FD/Govt./Bond Interest Calculation screens instead of being
 *  hard-wired, so a period's posting can be routed to a different income head when needed. */
export const INTEREST_INCOME_GL_MASTER: InvestmentGlOption[] = [
  { glCode: '410010', glName: 'INTEREST ON GOVT. SECURITIES' },
  { glCode: '410020', glName: 'INTEREST ON NON SLR SECURITIES' },
  { glCode: '410030', glName: 'INTEREST ON CORPORATE BONDS' },
  { glCode: '410040', glName: 'INTEREST ON FIXED DEPOSITS' },
  { glCode: '410050', glName: 'INCOME FROM MUTUAL FUNDS' },
  { glCode: '410060', glName: 'DIVIDEND ON SHARES' }
];

/** Default Interest Income GL suggested per instrument type — pre-fills the selector above,
 *  which the user can still override before posting. */
export const INTEREST_INCOME_GL_BY_TYPE: Record<InstrumentType, string> = {
  GOVT_SECURITY: '410010',
  NON_SLR: '410020',
  BOND: '410030',
  FD: '410040',
  MUTUAL_FUND: '410050',
  SHARE: '410060'
};

/** Cash/Bank (Dr) GL credited when an Interest Receive entry is booked — the account the cash
 *  actually lands in. Selectable on the Interest Receive screen. */
export const CASH_BANK_GL_MASTER: InvestmentGlOption[] = [
  { glCode: '100010', glName: 'CASH IN HAND' },
  { glCode: '110010', glName: 'RBI CURRENT ACCOUNT' },
  { glCode: '110020', glName: 'SBI CURRENT ACCOUNT' },
  { glCode: '110030', glName: 'HDFC BANK CURRENT ACCOUNT' }
];

export interface ScriptMaster {
  scriptCode: string;
  scriptName: string;
  instrumentType: InstrumentType;
  isin: string;
  faceValuePerUnit: number;
}

export const SCRIPT_MASTER: ScriptMaster[] = [
  { scriptCode: 'FD-CUM', scriptName: 'Cumulative Fixed Deposit', instrumentType: 'FD', isin: '', faceValuePerUnit: 1 },
  {
    scriptCode: 'FD-MIP',
    scriptName: 'Monthly Interest Payout FD',
    instrumentType: 'FD',
    isin: '',
    faceValuePerUnit: 1
  },
  {
    scriptCode: 'IN0020230012',
    scriptName: '7.26% GOI 2033',
    instrumentType: 'GOVT_SECURITY',
    isin: 'IN0020230012',
    faceValuePerUnit: 100
  },
  {
    scriptCode: 'IN0020220089',
    scriptName: '7.10% GOI 2029',
    instrumentType: 'GOVT_SECURITY',
    isin: 'IN0020220089',
    faceValuePerUnit: 100
  },
  {
    scriptCode: 'TBILL-364D',
    scriptName: '364 Days Treasury Bill',
    instrumentType: 'GOVT_SECURITY',
    isin: '',
    faceValuePerUnit: 100
  },
  {
    scriptCode: 'REC-7.5-2031',
    scriptName: 'REC Ltd Bond 7.50% 2031',
    instrumentType: 'NON_SLR',
    isin: 'INE020B08JN0',
    faceValuePerUnit: 100
  },
  {
    scriptCode: 'NABARD-7.35-2030',
    scriptName: 'NABARD Bond 7.35% 2030',
    instrumentType: 'NON_SLR',
    isin: 'INE261F09EU1',
    faceValuePerUnit: 100
  },
  {
    scriptCode: 'LTF-8.1-2028',
    scriptName: 'L&T Finance NCD 8.10% 2028',
    instrumentType: 'BOND',
    isin: 'INE027E07BR5',
    faceValuePerUnit: 100
  },
  {
    scriptCode: 'BAF-7.95-2027',
    scriptName: 'Bajaj Finance NCD 7.95% 2027',
    instrumentType: 'BOND',
    isin: 'INE296A07SP0',
    faceValuePerUnit: 100
  },
  {
    scriptCode: 'SBI-OVN',
    scriptName: 'SBI Overnight Fund',
    instrumentType: 'MUTUAL_FUND',
    isin: 'INF200KA1Q40',
    faceValuePerUnit: 1000
  },
  {
    scriptCode: 'HDFC-LIQ',
    scriptName: 'HDFC Liquid Fund',
    instrumentType: 'MUTUAL_FUND',
    isin: 'INF179KA1WR9',
    faceValuePerUnit: 1000
  },
  {
    scriptCode: 'SBIN',
    scriptName: 'State Bank of India',
    instrumentType: 'SHARE',
    isin: 'INE062A01020',
    faceValuePerUnit: 1
  },
  {
    scriptCode: 'HDFCBANK',
    scriptName: 'HDFC Bank Ltd',
    instrumentType: 'SHARE',
    isin: 'INE040A01034',
    faceValuePerUnit: 1
  }
];

export interface BrokerMaster {
  brokerCode: string;
  brokerName: string;
  contactNo: string;
  empanelledOn: string;
  status: 'ACTIVE' | 'INACTIVE';
}

export const BROKER_MASTER: BrokerMaster[] = [
  {
    brokerCode: 'BRK-001',
    brokerName: 'ICICI Securities Primary Dealership',
    contactNo: '022-40001234',
    empanelledOn: '01-04-2020',
    status: 'ACTIVE'
  },
  {
    brokerCode: 'BRK-002',
    brokerName: 'SBI-DFHI Ltd',
    contactNo: '022-40005678',
    empanelledOn: '01-04-2020',
    status: 'ACTIVE'
  },
  {
    brokerCode: 'BRK-003',
    brokerName: 'STCI Primary Dealer Ltd',
    contactNo: '022-40009012',
    empanelledOn: '15-06-2021',
    status: 'ACTIVE'
  },
  {
    brokerCode: 'BRK-004',
    brokerName: 'A.K. Capital Services Ltd',
    contactNo: '022-67543210',
    empanelledOn: '10-09-2021',
    status: 'ACTIVE'
  },
  {
    brokerCode: 'BRK-005',
    brokerName: 'Trust Investment Advisors',
    contactNo: '022-40103200',
    empanelledOn: '05-01-2022',
    status: 'ACTIVE'
  },
  {
    brokerCode: 'BRK-006',
    brokerName: 'JM Financial Services Ltd',
    contactNo: '022-66303030',
    empanelledOn: '12-11-2022',
    status: 'ACTIVE'
  },
  {
    brokerCode: 'BRK-007',
    brokerName: 'Zerodha Broking Ltd',
    contactNo: '080-47184718',
    empanelledOn: '01-01-2023',
    status: 'ACTIVE'
  }
];

export interface PartyMaster {
  partyCode: string;
  partyName: string;
  partyType: 'BANK' | 'CORPORATE' | 'GOVT' | 'AMC' | 'EXCHANGE' | 'COOP_SOCIETY';
  panNo: string;
}

export const PARTY_MASTER: PartyMaster[] = [
  { partyCode: 'PTY-001', partyName: 'Jila Sahakari Kendriya Bank', partyType: 'BANK', panNo: 'AABCJ1234K' },
  { partyCode: 'PTY-002', partyName: 'State Cooperative Bank Ltd', partyType: 'BANK', panNo: 'AABCS5678L' },
  { partyCode: 'PTY-003', partyName: 'RBI - SGL', partyType: 'GOVT', panNo: 'AAACR4849R' },
  { partyCode: 'PTY-004', partyName: 'REC Limited', partyType: 'CORPORATE', panNo: 'AAACR0641G' },
  { partyCode: 'PTY-005', partyName: 'NABARD', partyType: 'CORPORATE', panNo: 'AAACN0272B' },
  { partyCode: 'PTY-006', partyName: 'L&T Finance Ltd', partyType: 'CORPORATE', panNo: 'AAACL0140P' },
  { partyCode: 'PTY-007', partyName: 'SBI Mutual Fund', partyType: 'AMC', panNo: 'AAATS4325L' },
  { partyCode: 'PTY-008', partyName: 'HDFC Mutual Fund', partyType: 'AMC', panNo: 'AAATH1234M' },
  { partyCode: 'PTY-009', partyName: 'NSE/BSE', partyType: 'EXCHANGE', panNo: 'AAACN0028G' },
  { partyCode: 'PTY-010', partyName: 'District Cooperative Bank', partyType: 'COOP_SOCIETY', panNo: 'AABCD9988K' }
];

export interface SubTypeMaster {
  subTypeCode: string;
  subTypeName: string;
  instrumentType: InstrumentType;
}

export const SUBTYPE_MASTER: SubTypeMaster[] = [
  { subTypeCode: '1', subTypeName: 'SLR', instrumentType: 'GOVT_SECURITY' },
  { subTypeCode: '2', subTypeName: 'NON SLR', instrumentType: 'NON_SLR' },
  { subTypeCode: '3', subTypeName: 'CORPORATE BOND', instrumentType: 'BOND' },
  { subTypeCode: '4', subTypeName: 'EQUITY', instrumentType: 'SHARE' },
  { subTypeCode: '5', subTypeName: 'CO-OP SHARE', instrumentType: 'SHARE' },
  { subTypeCode: '6', subTypeName: 'DEBT - OVERNIGHT', instrumentType: 'MUTUAL_FUND' },
  { subTypeCode: '7', subTypeName: 'DEBT - LIQUID', instrumentType: 'MUTUAL_FUND' }
];

export interface ControlParameter {
  paramName: string;
  paramValue: string;
  description: string;
}

export const CONTROL_PARAMETERS: ControlParameter[] = [
  {
    paramName: 'SLR_MIN_PERCENT',
    paramValue: '18.00',
    description: 'Minimum SLR holding as % of NDTL (RBI requirement)'
  },
  {
    paramName: 'NON_SLR_MAX_PERCENT',
    paramValue: '10.00',
    description: 'Maximum Non-SLR exposure as % of total investments'
  },
  {
    paramName: 'FD_AUTO_RENEW_DAYS',
    paramValue: '7',
    description: 'Days before maturity to flag FD for auto-renewal review'
  },
  {
    paramName: 'BROKERAGE_CEILING_BPS',
    paramValue: '25',
    description: 'Maximum brokerage allowed (basis points) per deal'
  },
  {
    paramName: 'SINGLE_PARTY_EXPOSURE_LIMIT',
    paramValue: '5000000',
    description: 'Maximum investment exposure to a single counterparty (Rs)'
  },
  {
    paramName: 'AMORTIZATION_METHOD',
    paramValue: 'STRAIGHT_LINE',
    description: 'Default amortization method for premium/discount on bonds'
  }
];

export interface MutualFundProductMaster {
  productCode: string;
  productName: string;
  amcName: string;
  category: string;
  riskLevel: 'LOW' | 'MODERATE' | 'HIGH';
}

export const MUTUAL_FUND_PRODUCTS: MutualFundProductMaster[] = [
  {
    productCode: 'MFP-01',
    productName: 'SBI Overnight Fund',
    amcName: 'SBI Mutual Fund',
    category: 'Debt - Overnight',
    riskLevel: 'LOW'
  },
  {
    productCode: 'MFP-02',
    productName: 'HDFC Liquid Fund',
    amcName: 'HDFC Mutual Fund',
    category: 'Debt - Liquid',
    riskLevel: 'LOW'
  },
  {
    productCode: 'MFP-03',
    productName: 'ICICI Pru Money Market Fund',
    amcName: 'ICICI Prudential Mutual Fund',
    category: 'Debt - Money Market',
    riskLevel: 'LOW'
  },
  {
    productCode: 'MFP-04',
    productName: 'Axis Banking & PSU Debt Fund',
    amcName: 'Axis Mutual Fund',
    category: 'Debt - Banking & PSU',
    riskLevel: 'MODERATE'
  },
  {
    productCode: 'MFP-05',
    productName: 'Kotak Overnight Fund',
    amcName: 'Kotak Mutual Fund',
    category: 'Debt - Overnight',
    riskLevel: 'LOW'
  }
];

export interface SglBankMaster {
  sglCode: string;
  bankName: string;
  branch: string;
}

export const SGL_BANK_MASTER: SglBankMaster[] = [
  { sglCode: 'SGL-RBI-01', bankName: 'Reserve Bank of India', branch: 'Mumbai (PDO)' },
  { sglCode: 'SGL-SBI-01', bankName: 'State Bank of India', branch: 'Fort, Mumbai' },
  { sglCode: 'SGL-HDFC-01', bankName: 'HDFC Bank Ltd', branch: 'Treasury Branch, Mumbai' },
  { sglCode: 'SGL-CCIL-01', bankName: 'Clearing Corporation of India Ltd', branch: 'Mumbai' }
];

export interface ScriptMarketDetail {
  scriptCode: string;
  marketPrice: number;
  asOnDate: string;
  ytm: number;
}

export const SCRIPT_MARKET_DETAIL: ScriptMarketDetail[] = [
  { scriptCode: 'IN0020230012', marketPrice: 99.85, asOnDate: '31-07-2026', ytm: 7.31 },
  { scriptCode: 'IN0020220089', marketPrice: 100.6, asOnDate: '31-07-2026', ytm: 7.02 },
  { scriptCode: 'IN0020210056', marketPrice: 101.4, asOnDate: '31-07-2026', ytm: 6.71 },
  { scriptCode: 'IN0020240034', marketPrice: 99.1, asOnDate: '31-07-2026', ytm: 7.24 },
  { scriptCode: 'REC-7.5-2031', marketPrice: 100.35, asOnDate: '31-07-2026', ytm: 7.44 },
  { scriptCode: 'LTF-8.1-2028', marketPrice: 100.1, asOnDate: '31-07-2026', ytm: 8.08 }
];

export interface LienReason {
  reasonCode: string;
  reasonDescription: string;
}

export const LIEN_REASON_MASTER: LienReason[] = [
  { reasonCode: 'LR-01', reasonDescription: 'Lien marked for loan collateral' },
  { reasonCode: 'LR-02', reasonDescription: 'Lien marked for court order / litigation' },
  { reasonCode: 'LR-03', reasonDescription: 'Lien marked for SGL/CSGL margin requirement' },
  { reasonCode: 'LR-04', reasonDescription: 'Lien marked for guarantee issued' }
];

/** Daily Script Master (legacy menu "09") — the day's quoted rate per script, entered/imported
 *  every working day. Distinct from Script Market Detail ("13") which also carries YTM/valuation. */
export interface DailyScriptRate {
  rateDate: string;
  scriptCode: string;
  scriptName: string;
  openRate: number;
  closeRate: number;
  highRate: number;
  lowRate: number;
}

export const DAILY_SCRIPT_RATES: DailyScriptRate[] = [
  {
    rateDate: '31-07-2026',
    scriptCode: 'IN0020230012',
    scriptName: '7.26% GOI 2033',
    openRate: 99.7,
    closeRate: 99.85,
    highRate: 99.95,
    lowRate: 99.6
  },
  {
    rateDate: '31-07-2026',
    scriptCode: 'IN0020220089',
    scriptName: '7.10% GOI 2029',
    openRate: 100.5,
    closeRate: 100.6,
    highRate: 100.7,
    lowRate: 100.45
  },
  {
    rateDate: '31-07-2026',
    scriptCode: 'IN0020210056',
    scriptName: '6.79% GOI 2027',
    openRate: 101.3,
    closeRate: 101.4,
    highRate: 101.5,
    lowRate: 101.25
  },
  {
    rateDate: '31-07-2026',
    scriptCode: 'SBIN',
    scriptName: 'State Bank of India',
    openRate: 790,
    closeRate: 802.5,
    highRate: 808,
    lowRate: 787
  },
  {
    rateDate: '31-07-2026',
    scriptCode: 'HDFCBANK',
    scriptName: 'HDFC Bank Ltd',
    openRate: 1685,
    closeRate: 1702.4,
    highRate: 1710,
    lowRate: 1680
  },
  {
    rateDate: '30-07-2026',
    scriptCode: 'IN0020230012',
    scriptName: '7.26% GOI 2033',
    openRate: 99.55,
    closeRate: 99.7,
    highRate: 99.8,
    lowRate: 99.5
  },
  {
    rateDate: '30-07-2026',
    scriptCode: 'SBIN',
    scriptName: 'State Bank of India',
    openRate: 782,
    closeRate: 790,
    highRate: 794,
    lowRate: 780
  }
];

// -------------------- Dropdown option lists (legacy entry-form selects) --------------------

/** RBI investment classification categories — drive HTM/AFS/HFT valuation treatment. */
export const CATEGORY_OPTIONS = [
  'HTM (Held To Maturity)',
  'AFS (Available For Sale)',
  'HFT (Held For Trading)'
];

export const DEAL_TYPE_OPTIONS = [
  'OUTRIGHT',
  'REPO',
  'REVERSE REPO',
  'CBLO / TREPS',
  'SWITCH'
];

export const MARKET_OPTIONS = [
  'NDS-OM',
  'NDS-CALL',
  'OTC',
  'BSE',
  'NSE',
  'PRIMARY AUCTION'
];

export const PAYMENT_MODE_OPTIONS = [
  'RTGS',
  'NEFT',
  'CHEQUE',
  'DD / PAY ORDER',
  'INTERNAL TRANSFER'
];

export const DELIVERY_MODE_OPTIONS = [
  'SGL',
  'CSGL',
  'DEMAT',
  'PHYSICAL',
  'CONSTITUENT SGL'
];

export const BOND_RATING_OPTIONS = [
  'AAA',
  'AA+',
  'AA',
  'AA-',
  'A+',
  'A',
  'A-',
  'BBB+',
  'BBB',
  'SOVEREIGN'
];

export const INT_TYPE_OPTIONS: Array<{ value: InterestFreq; label: string }> = [
  { value: 'MONTHLY', label: 'MONTHLY' },
  { value: 'QUARTERLY', label: 'QUARTERLY' },
  { value: 'HALF_YEARLY', label: 'HALF YEARLY' },
  { value: 'YEARLY', label: 'YEARLY' },
  { value: 'CUMULATIVE', label: 'CUMULATIVE' }
];

export const AUTHORITY_OPTIONS = [
  'Board of Directors',
  'Investment Committee',
  'Chief Executive Officer',
  'General Manager - Treasury',
  'Asset Liability Committee (ALCO)'
];

export const FD_TYPE_OPTIONS = [
  'CUMMULATIVE',
  'NON-CUMMULATIVE',
  'RECURRING',
  'CALL DEPOSIT'
];

/** Approximate YTM for a bond bought at `purchaseRate` per 100 face — coupon adjusted for
 *  the premium/discount amortised over the remaining life. Used to fill the read-only YTM
 *  field on the Bond entry form. */
export function approxYtm(couponRate: number, purchaseRate: number, yearsToMaturity: number): number {
  if (!purchaseRate || !yearsToMaturity) {
    return couponRate;
  }
  const annualAmortisation = (100 - purchaseRate) / yearsToMaturity;
  return +(((couponRate + annualAmortisation) / purchaseRate) * 100).toFixed(2);
}