/**
 * 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 { Injectable, inject } from '@angular/core';
import { HttpClient, HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';

export interface AccountListParams {
  offset?: number;
  limit?: number;
  accountNo?: string;
  clientName?: string;
  orderBy?: string;
  sortOrder?: string;
  status?: string;
  fromDate?: string;
  toDate?: string;
  asOnDate?: string;
}

@Injectable({ providedIn: 'root' })
export class AccountsService {
  private http = inject(HttpClient);

  getSavingsAccounts(params: AccountListParams = {}): Observable<any> {
    let httpParams = new HttpParams()
      .set('depositType', '100')
      .set('offset', (params.offset ?? 0).toString())
      .set('limit', (params.limit ?? 20).toString());
    if (params.accountNo) httpParams = httpParams.set('accountNo', params.accountNo);
    if (params.clientName) httpParams = httpParams.set('clientName', params.clientName);
    if (params.orderBy) httpParams = httpParams.set('orderBy', params.orderBy);
    if (params.sortOrder) httpParams = httpParams.set('sortOrder', params.sortOrder);
    if (params.status) httpParams = httpParams.set('status', params.status);
    if (params.fromDate) httpParams = httpParams.set('fromDate', params.fromDate);
    if (params.toDate) httpParams = httpParams.set('toDate', params.toDate);
    if (params.asOnDate) httpParams = httpParams.set('asOnDate', params.asOnDate);
    return this.http.get('/savingsaccounts', { params: httpParams });
  }

  getCurrentAccounts(params: AccountListParams = {}): Observable<any> {
    let httpParams = new HttpParams()
      .set('offset', (params.offset ?? 0).toString())
      .set('limit', (params.limit ?? 20).toString());
    if (params.accountNo) httpParams = httpParams.set('accountNo', params.accountNo);
    if (params.clientName) httpParams = httpParams.set('clientName', params.clientName);
    if (params.orderBy) httpParams = httpParams.set('orderBy', params.orderBy);
    if (params.sortOrder) httpParams = httpParams.set('sortOrder', params.sortOrder);
    if (params.status) httpParams = httpParams.set('status', params.status);
    if (params.fromDate) httpParams = httpParams.set('fromDate', params.fromDate);
    if (params.toDate) httpParams = httpParams.set('toDate', params.toDate);
    if (params.asOnDate) httpParams = httpParams.set('asOnDate', params.asOnDate);
    return this.http.get('/currentaccounts', { params: httpParams });
  }

  getFixedDepositAccounts(params: AccountListParams = {}): Observable<any> {
    let httpParams = new HttpParams()
      .set('paged', 'true')
      .set('offset', (params.offset ?? 0).toString())
      .set('limit', (params.limit ?? 20).toString());
    if (params.accountNo) httpParams = httpParams.set('accountNo', params.accountNo);
    if (params.clientName) httpParams = httpParams.set('clientName', params.clientName);
    if (params.orderBy) httpParams = httpParams.set('orderBy', params.orderBy);
    if (params.sortOrder) httpParams = httpParams.set('sortOrder', params.sortOrder);
    if (params.status) httpParams = httpParams.set('status', params.status);
    if (params.fromDate) httpParams = httpParams.set('fromDate', params.fromDate);
    if (params.toDate) httpParams = httpParams.set('toDate', params.toDate);
    if (params.asOnDate) httpParams = httpParams.set('asOnDate', params.asOnDate);
    return this.http.get('/fixeddepositaccounts', { params: httpParams });
  }

  /**
   * FD Dashboard's data source: every ACTIVE FD, id/account/client/product identity, maturity date
   * and deposit/maturity amounts only. Deliberately a separate, narrow endpoint rather than
   * getFixedDepositAccounts() above -- that one's backend query joins in six more tables (audit
   * who-did-what-when, currency, tax group) an unbounded dashboard fetch does not need, over columns
   * that had no index until this feature added one (see backend migration 0571).
   */
  getFixedDepositMaturityDashboard(): Observable<any> {
    return this.http.get('/fixeddepositaccounts/maturity-dashboard');
  }

  /** RD Dashboard: running RDs with their installment position, closures and penalty income for the month. */
  getRecurringDepositDashboard(): Observable<any> {
    return this.http.get('/recurringdepositaccounts/dashboard');
  }

  getRecurringDepositAccounts(params: AccountListParams = {}): Observable<any> {
    let httpParams = new HttpParams()
      .set('paged', 'true')
      .set('offset', (params.offset ?? 0).toString())
      .set('limit', (params.limit ?? 20).toString());
    if (params.accountNo) httpParams = httpParams.set('accountNo', params.accountNo);
    if (params.clientName) httpParams = httpParams.set('clientName', params.clientName);
    if (params.orderBy) httpParams = httpParams.set('orderBy', params.orderBy);
    if (params.sortOrder) httpParams = httpParams.set('sortOrder', params.sortOrder);
    if (params.status) httpParams = httpParams.set('status', params.status);
    if (params.fromDate) httpParams = httpParams.set('fromDate', params.fromDate);
    if (params.toDate) httpParams = httpParams.set('toDate', params.toDate);
    if (params.asOnDate) httpParams = httpParams.set('asOnDate', params.asOnDate);
    return this.http.get('/recurringdepositaccounts', { params: httpParams });
  }

  terminateAccount(accountId: string, data: any): Observable<any> {
    return this.http.post(`/v1/accounts/${accountId}/terminate`, data);
  }
}