/**
 * 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, HttpContext } from '@angular/common/http';
import { Observable } from 'rxjs';
import { SILENT_HTTP_ERROR } from '../core/http/silent-error.token';

/**
 * HTTP service for the maker-checker "claim my dividend early" workflow — a clerk submits a claim
 * against a still-locked dividend on the member's behalf, a Bank Manager approves (only possible
 * when the client has no overdue loan) or rejects it.
 */
@Injectable({ providedIn: 'root' })
export class DividendClaimRequestService {
  private http = inject(HttpClient);

  /**
   * Records a claim for an unclaimed dividend, collected as a Demand Draft.
   *
   * A dividend is only ever paid out as a draft — the savings-credit, cash and loan-set-off routes
   * this endpoint once accepted are retired, so the payload carries just what a draft needs: how
   * much, drawn in whose favour, and payable where.
   */
  submit(
    lockId: number,
    claim: {
      ddApplyAmount: number;
      ddBeneficiaryName: string;
      ddPayableAtBranch: string;
      ddPayableAtCity: string;
    }
  ): Observable<any> {
    return this.http.post('/clerk/dividend-claim-requests', {
      lockId,
      ddApplyAmount: String(claim.ddApplyAmount),
      ddBeneficiaryName: claim.ddBeneficiaryName,
      ddPayableAtBranch: claim.ddPayableAtBranch,
      ddPayableAtCity: claim.ddPayableAtCity
    });
  }

  // Silenced: onTokNoBlur() in Transaction Entry probes this only after the withdrawal-request
  // token pool 404s, and shows its own tailored message either way.
  getByToken(token: string): Observable<any> {
    return this.http.get(`/clerk/dividend-claim-requests/by-token/${encodeURIComponent(token)}`, {
      context: new HttpContext().set(SILENT_HTTP_ERROR, true)
    });
  }

  disburse(id: number, denominationData: string | null, transactionAmount?: number): Observable<any> {
    return this.http.post(`/clerk/dividend-claim-requests/${id}/disburse`, {
      denominationData,
      transactionAmount: transactionAmount != null ? String(transactionAmount) : null
    });
  }

  list(status = 'PENDING'): Observable<any> {
    return this.http.get('/clerk/dividend-claim-requests', { params: { status } });
  }

  approve(id: number): Observable<any> {
    return this.http.post(`/clerk/dividend-claim-requests/${id}/approve`, {});
  }

  reject(id: number, reason: string): Observable<any> {
    return this.http.post(`/clerk/dividend-claim-requests/${id}/reject`, { reason });
  }
}