/**
 * 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/.
 */

import { Component, inject } from '@angular/core';
import { CommonModule, DecimalPipe } from '@angular/common';
import { MatDialogRef, MatDialogModule } from '@angular/material/dialog';
import { MatButtonModule } from '@angular/material/button';
import { MatTabsModule } from '@angular/material/tabs';
import { MatTooltipModule } from '@angular/material/tooltip';
import { FaIconComponent } from '@fortawesome/angular-fontawesome';

@Component({
  selector: 'mifosx-crr-slr-dialog',
  standalone: true,
  templateUrl: './crr-slr-dialog.component.html',
  styleUrls: ['./crr-slr-dialog.component.scss'],
  imports: [
    CommonModule,
    DecimalPipe,
    MatDialogModule,
    MatButtonModule,
    MatTabsModule,
    MatTooltipModule,
    FaIconComponent
  ]
})
export class CrrSlrDialogComponent {
  private dialogRef = inject(MatDialogRef<CrrSlrDialogComponent>);

  activeTab: 'demand' | 'time' | 'assets' | 'slr' = 'demand';

  /** Reporting fortnight date — 45 days before current date */
  today = new Date();
  reportingDate: Date;
  reportingDateStr: string;

  /** NDTL & Reserve computations */
  readonly totalDemand = 12843.5;
  readonly totalTime = 64618.0;
  readonly totalBankingAssets = 8240.2;
  readonly ndtl = 69221.3; // Demand + Time - Banking Assets
  readonly crrRate = 3; // Current RBI CRR rate (%)
  readonly slrRate = 18; // Current RBI SLR rate (%)
  readonly crrRequired = 69221.3 * 0.03; // ₹2,076.64 Cr
  readonly slrRequired = 69221.3 * 0.18; // ₹12,459.83 Cr
  readonly totalLiquidAssets = 13238.8;
  readonly slrActualPercent = +((13238.8 / 69221.3) * 100).toFixed(2); // 19.12%
  readonly slrSurplus = +(13238.8 - 69221.3 * 0.18).toFixed(2); // 778.97
  readonly totalReserve = +(69221.3 * 0.03 + 69221.3 * 0.18).toFixed(2); // 14,536.47

  constructor() {
    // CRR/SLR uses data from 45 days ago
    const lagDays = 45;
    this.reportingDate = new Date(this.today);
    this.reportingDate.setDate(this.reportingDate.getDate() - lagDays);
    this.reportingDateStr = this.reportingDate.toLocaleDateString('en-IN', {
      day: '2-digit',
      month: 'short',
      year: 'numeric'
    });
  }

  demandLiabilities = [
    {
      sl: '01',
      name: 'Current Account Deposits',
      sub: 'Corporate & individual CA balances',
      code: '2001-CA',
      opening: '3,842.50',
      current: '4,120.75',
      change: '+278.25',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '02',
      name: 'Savings Bank Deposits (Withdrawable)',
      sub: 'Demand portion — 10% of SB balance',
      code: '2002-SB',
      opening: '1,240.00',
      current: '1,318.40',
      change: '+78.40',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '03',
      name: 'Demand Drafts Payable',
      sub: 'Issued DDs outstanding for payment',
      code: '2003-DD',
      opening: '284.20',
      current: '311.60',
      change: '+27.40',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '04',
      name: "Banker's Cheques / Pay Orders",
      sub: 'Issued pay orders pending encashment',
      code: '2004-PO',
      opening: '198.75',
      current: '176.30',
      change: '-22.45',
      changeDir: 'dn',
      status: 'Active'
    },
    {
      sl: '05',
      name: 'Credit Balance in Cash Credit Accounts',
      sub: 'CC accounts in credit position',
      code: '2005-CC',
      opening: '542.10',
      current: '618.90',
      change: '+76.80',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '06',
      name: 'Overdue Fixed Deposits',
      sub: 'FDs past maturity — treated as demand',
      code: '2006-OFD',
      opening: '89.40',
      current: '112.85',
      change: '+23.45',
      changeDir: 'dn',
      status: 'Overdue'
    },
    {
      sl: '07',
      name: 'Interest Payable on Demand Deposits',
      sub: 'Accrued interest on CA/SB',
      code: '2007-INT',
      opening: '34.20',
      current: '38.55',
      change: '+4.35',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '08',
      name: 'Margins held against Letters of Credit',
      sub: 'Withdrawable LC margin deposits',
      code: '2008-LCM',
      opening: '412.60',
      current: '388.20',
      change: '-24.40',
      changeDir: 'dn',
      status: 'Active'
    },
    {
      sl: '09',
      name: 'Margins held against Bank Guarantees',
      sub: 'Withdrawable BG margin deposits',
      code: '2009-BGM',
      opening: '318.40',
      current: '342.10',
      change: '+23.70',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '10',
      name: 'Security Deposits (Withdrawable)',
      sub: 'EMD / SD refundable on demand',
      code: '2010-SD',
      opening: '124.80',
      current: '118.60',
      change: '-6.20',
      changeDir: 'dn',
      status: 'Active'
    },
    {
      sl: '11',
      name: 'Unclaimed Deposits (Demand Portion)',
      sub: 'Balances unclaimed >10 years',
      code: '2011-UCD',
      opening: '56.30',
      current: '59.40',
      change: '+3.10',
      changeDir: 'dn',
      status: 'Unclaimed'
    },
    {
      sl: '12',
      name: 'Inter-Bank Demand Deposits',
      sub: 'Demand deposits from other banks',
      code: '2012-IBD',
      opening: '2,840.00',
      current: '3,120.50',
      change: '+280.50',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '13',
      name: 'Clearing Adjustments / Balances',
      sub: 'Net clearing settlement balances',
      code: '2013-CLR',
      opening: '186.40',
      current: '210.80',
      change: '+24.40',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '14',
      name: 'Outstanding Payment Instruments',
      sub: 'Cheques issued but not yet presented',
      code: '2014-OPI',
      opening: '142.60',
      current: '158.90',
      change: '+16.30',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '15',
      name: 'Demand Liabilities towards Other Banks',
      sub: 'Nostro / Vostro demand obligations',
      code: '2015-DLB',
      opening: '984.20',
      current: '1,048.60',
      change: '+64.40',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '16',
      name: 'Deposits Repayable on Demand',
      sub: 'Miscellaneous on-demand deposits',
      code: '2016-DRD',
      opening: '618.30',
      current: '698.05',
      change: '+79.75',
      changeDir: 'up',
      status: 'Active'
    }
  ];

  timeLiabilities = [
    {
      sl: '01',
      name: 'Fixed Deposits (FD)',
      sub: '7 days to 10 years · 6.5–7.2%',
      code: '3001-FD',
      opening: '28,420.50',
      current: '29,184.30',
      change: '+763.80',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '02',
      name: 'Recurring Deposits (RD)',
      sub: 'Monthly instalment · 6.0–6.8%',
      code: '3002-RD',
      opening: '4,218.60',
      current: '4,412.80',
      change: '+194.20',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '03',
      name: 'Time Liability Portion of Savings',
      sub: '90% of SB balance treated as time',
      code: '3003-SBT',
      opening: '10,840.20',
      current: '11,204.60',
      change: '+364.40',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '04',
      name: 'Reinvestment Deposits',
      sub: 'Cumulative interest plans · 7.0%',
      code: '3004-RID',
      opening: '1,842.40',
      current: '1,918.70',
      change: '+76.30',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '05',
      name: 'Staff Security Deposits (Fixed Period)',
      sub: 'Employee security deposits — locked',
      code: '3005-SSD',
      opening: '84.60',
      current: '86.40',
      change: '+1.80',
      changeDir: 'up',
      status: 'Locked'
    },
    {
      sl: '06',
      name: 'Margin Money for Guarantees / LC',
      sub: 'LC/BG margins — fixed lock-in period',
      code: '3006-MGM',
      opening: '620.80',
      current: '644.20',
      change: '+23.40',
      changeDir: 'up',
      status: 'Locked'
    },
    {
      sl: '07',
      name: 'Certificates of Deposit (CD)',
      sub: 'Issued to corporates / FIs · 7.35%',
      code: '3007-CD',
      opening: '3,840.00',
      current: '3,920.50',
      change: '+80.50',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '08',
      name: 'Interest Accrued on Time Deposits',
      sub: 'Accrued but unpaid interest on FD/RD',
      code: '3008-IAT',
      opening: '842.60',
      current: '918.40',
      change: '+75.80',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '09',
      name: 'Long-term Deposits',
      sub: 'Tenor >5 years · 7.5%',
      code: '3009-LTD',
      opening: '5,620.40',
      current: '5,818.60',
      change: '+198.20',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '10',
      name: 'Tax Saving Deposits',
      sub: 'Sec 80C FDs — 5-year lock-in · 6.8%',
      code: '3010-TSD',
      opening: '1,240.80',
      current: '1,318.40',
      change: '+77.60',
      changeDir: 'up',
      status: 'Locked'
    },
    {
      sl: '11',
      name: 'Foreign Currency Deposits',
      sub: 'FCNR(B), RFC — USD/EUR/GBP',
      code: '3011-FCD',
      opening: '2,184.60',
      current: '2,348.20',
      change: '+163.60',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '12',
      name: 'Time Liabilities to Other Banks',
      sub: 'Inter-bank term deposits — call money',
      code: '3012-TLB',
      opening: '1,840.20',
      current: '1,924.40',
      change: '+84.20',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '13',
      name: 'Term Borrowings',
      sub: 'Bonds, debentures, refinance · 8.1%',
      code: '3013-TBR',
      opening: '1,018.40',
      current: '1,118.50',
      change: '+100.10',
      changeDir: 'up',
      status: 'Active'
    }
  ];

  bankingAssets = [
    {
      sl: '01',
      name: 'Balances with Other Banks',
      sub: 'Nostro / Vostro balances — SBI, PNB, BOB',
      code: '4001-BWB',
      opening: '3,840.20',
      current: '4,112.40',
      change: '+272.20',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '02',
      name: 'Money at Call with Banks',
      sub: 'Overnight & short-notice call money',
      code: '4002-MCB',
      opening: '2,180.50',
      current: '2,418.60',
      change: '+238.10',
      changeDir: 'up',
      status: 'Active'
    },
    {
      sl: '03',
      name: 'Loans to Banks (Inter-Bank Lending)',
      sub: 'Term loans & credit lines to SCBs',
      code: '4003-LTB',
      opening: '1,580.00',
      current: '1,709.20',
      change: '+129.20',
      changeDir: 'up',
      status: 'Active'
    }
  ];

  liquidAssets = [
    {
      sl: '01',
      name: 'Central Government Securities',
      sub: 'G-Secs held in HTM, AFS & HFT portfolios',
      code: '5001-CGS',
      opening: '6,840.50',
      current: '7,218.40',
      change: '+377.90',
      changeDir: 'up',
      status: 'Active',
      category: 'G-Sec'
    },
    {
      sl: '02',
      name: 'State Development Loans (SDLs)',
      sub: 'State govt bonds — various maturities',
      code: '5002-SDL',
      opening: '2,420.30',
      current: '2,584.60',
      change: '+164.30',
      changeDir: 'up',
      status: 'Active',
      category: 'SDL'
    },
    {
      sl: '03',
      name: 'Treasury Bills (91/182/364 day)',
      sub: 'Short-term govt securities — discounted',
      code: '5003-TB',
      opening: '1,840.20',
      current: '1,962.80',
      change: '+122.60',
      changeDir: 'up',
      status: 'Active',
      category: 'T-Bill'
    },
    {
      sl: '04',
      name: 'Gold (valued at current market)',
      sub: 'Gold reserves held per RBI valuation norms',
      code: '5004-GLD',
      opening: '680.40',
      current: '724.60',
      change: '+44.20',
      changeDir: 'up',
      status: 'Active',
      category: 'Gold'
    },
    {
      sl: '05',
      name: 'Special Deposit Scheme with RBI',
      sub: 'Deposits placed under SDS — SLR eligible',
      code: '5005-SDS',
      opening: '420.00',
      current: '420.00',
      change: '0.00',
      changeDir: 'up',
      status: 'Active',
      category: 'RBI Dep'
    },
    {
      sl: '06',
      name: 'NABARD / SIDBI / NHB Bonds',
      sub: 'PSE bonds approved as SLR-eligible',
      code: '5006-PSE',
      opening: '310.80',
      current: '328.40',
      change: '+17.60',
      changeDir: 'up',
      status: 'Active',
      category: 'PSE Bond'
    }
  ];

  close(): void {
    this.dialogRef.close();
  }
}