/**
 * 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-crar-dialog',
  standalone: true,
  templateUrl: './crar-dialog.component.html',
  styleUrls: ['./crar-dialog.component.scss'],
  imports: [
    CommonModule,
    DecimalPipe,
    MatDialogModule,
    MatButtonModule,
    MatTabsModule,
    MatTooltipModule,
    FaIconComponent
  ]
})
export class CrarDialogComponent {
  private dialogRef = inject(MatDialogRef<CrarDialogComponent>);

  activeTab: 'tier1' | 'tier2' | 'creditRisk' | 'marketRisk' | 'opRisk' = 'tier1';

  /** Capital Adequacy computations */
  readonly totalTier1 = 8284.8;
  readonly totalTier2 = 1556.0;
  readonly totalCapital = 9840.8;
  readonly totalRWA = 58420;
  readonly crar = 16.84;
  readonly cet1Ratio = 12.42;
  readonly tier1Ratio = 14.18;
  readonly tier2Ratio = 2.66;
  readonly capitalBuffer = 6.34;

  /** Credit Risk RWA */
  readonly totalCreditRWA = 47820.4;
  /** Market Risk RWA */
  readonly totalMarketRWA = 7005.0;
  /** Operational Risk RWA */
  readonly totalOpRWA = 3595.6;

  tier1Capital = [
    {
      sl: '01',
      name: 'Paid-up Equity Share Capital',
      sub: 'Ordinary equity shares fully paid',
      code: '5001-ESC',
      category: 'CET1',
      prev: '1,200.00',
      curr: '1,200.00',
      change: '\u2014'
    },
    {
      sl: '02',
      name: 'Statutory Reserves (Sec 17)',
      sub: 'Reserves under Sec 17 of BR Act',
      code: '5002-SR',
      category: 'CET1',
      prev: '2,840.60',
      curr: '3,012.40',
      change: '+171.80',
      changeDir: 'up'
    },
    {
      sl: '03',
      name: 'Capital Reserve',
      sub: 'Non-distributable capital reserves',
      code: '5003-CR',
      category: 'CET1',
      prev: '680.20',
      curr: '720.80',
      change: '+40.60',
      changeDir: 'up'
    },
    {
      sl: '04',
      name: 'Share Premium Account',
      sub: 'Premium collected on equity issuance',
      code: '5004-SP',
      category: 'CET1',
      prev: '1,480.00',
      curr: '1,480.00',
      change: '\u2014'
    },
    {
      sl: '05',
      name: 'Retained Earnings (Current Year)',
      sub: 'Profit retained after dividend payout',
      code: '5005-RE',
      category: 'CET1',
      prev: '1,060.40',
      curr: '1,284.60',
      change: '+224.20',
      changeDir: 'up'
    },
    {
      sl: '06',
      name: 'PNCPS',
      sub: 'Perpetual Non-Cumulative Preference Shares',
      code: '5101-PNCPS',
      category: 'AT1',
      prev: '500.00',
      curr: '500.00',
      change: '\u2014'
    },
    {
      sl: '07',
      name: 'Perpetual Debt Instruments',
      sub: 'Basel III compliant perpetual bonds',
      code: '5102-PDI',
      category: 'AT1',
      prev: '800.00',
      curr: '800.00',
      change: '\u2014'
    },
    {
      sl: '08',
      name: 'Innovative PDI',
      sub: 'Innovative perpetual debt instruments',
      code: '5103-IPDI',
      category: 'AT1',
      prev: '200.00',
      curr: '200.00',
      change: '\u2014'
    }
  ];

  tier2Capital = [
    {
      sl: '01',
      name: 'Subordinated Debt',
      sub: 'Long-term subordinated bonds',
      code: '6001-SD',
      prev: '620.00',
      curr: '620.00',
      change: '\u2014'
    },
    {
      sl: '02',
      name: 'General Provisions & Loan Loss',
      sub: 'General provisions for standard assets',
      code: '6002-GP',
      prev: '480.40',
      curr: '520.60',
      change: '+40.20',
      changeDir: 'up'
    },
    {
      sl: '03',
      name: 'Revaluation Reserves',
      sub: 'Reserves from asset revaluation (55%)',
      code: '6003-RR',
      prev: '184.20',
      curr: '196.80',
      change: '+12.60',
      changeDir: 'up'
    },
    {
      sl: '04',
      name: 'Investment Fluctuation Reserve',
      sub: 'IFR as per RBI guidelines',
      code: '6004-IFR',
      prev: '120.00',
      curr: '142.60',
      change: '+22.60',
      changeDir: 'up'
    },
    {
      sl: '05',
      name: 'Upper Tier 2 Bonds',
      sub: 'Upper Tier 2 capital instruments',
      code: '6005-UTB',
      prev: '80.00',
      curr: '76.00',
      change: '-4.00',
      changeDir: 'dn'
    }
  ];

  creditRiskRWA = [
    {
      sl: '01',
      name: 'Claims on Sovereign',
      sub: 'Central & State Government exposures',
      code: '7001-SOV',
      rw: '0%',
      gross: '18,420.60',
      rwa: '0.00'
    },
    {
      sl: '02',
      name: 'Claims on Banks',
      sub: 'Inter-bank exposures — scheduled banks',
      code: '7002-BNK',
      rw: '20%',
      gross: '4,210.40',
      rwa: '842.08'
    },
    {
      sl: '03',
      name: 'Corporate Loans Rated',
      sub: 'Rated corporate term loans',
      code: '7003-CORP',
      rw: '100%',
      gross: '12,840.20',
      rwa: '12,840.20'
    },
    {
      sl: '04',
      name: 'Retail Portfolio',
      sub: 'Retail loans — personal, auto, education',
      code: '7004-RTL',
      rw: '75%',
      gross: '8,640.80',
      rwa: '6,480.60'
    },
    {
      sl: '05',
      name: 'Housing Loans',
      sub: 'Home loans — LTV based risk weight',
      code: '7005-HLE',
      rw: '35%',
      gross: '6,820.40',
      rwa: '2,387.14'
    }
  ];

  marketRiskRWA = [
    {
      sl: '01',
      name: 'Interest Rate Risk',
      sub: 'Duration & modified duration approach',
      code: '8001-IRR',
      approach: 'SDA',
      cc: '284.60',
      rwa: '3,557.50'
    },
    {
      sl: '02',
      name: 'Forex Risk',
      sub: 'Net open position in foreign currencies',
      code: '8002-FX',
      approach: 'Std',
      cc: '148.40',
      rwa: '1,855.00'
    },
    {
      sl: '03',
      name: 'Equity Risk',
      sub: 'Listed & unlisted equity exposures',
      code: '8003-EQR',
      approach: 'Std',
      cc: '84.20',
      rwa: '1,052.50'
    },
    {
      sl: '04',
      name: 'Commodity Price Risk',
      sub: 'Commodity position risk charges',
      code: '8004-CMR',
      approach: 'Simplified',
      cc: '24.80',
      rwa: '310.00'
    },
    {
      sl: '05',
      name: 'Options Risk',
      sub: 'Options portfolio — scenario analysis',
      code: '8005-OPR',
      approach: 'Scenario',
      cc: '18.40',
      rwa: '230.00'
    }
  ];

  /** Operational Risk — Basic Indicator Approach */
  readonly opRiskGrossIncome = 2984.4;
  readonly opRiskAlpha = 15;
  readonly opRiskCapitalCharge = 447.66;
  readonly opRiskRWA = 3595.6; // 447.66 × 12.5 = 5595.75 — using provided value

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