// src/controllers/billing.controller.ts
import { Controller, Post, Body, Headers, HttpException, HttpStatus } from '@nestjs/common';
import { MockDataService } from '../services/mock-data.service';

@Controller('payment/mea/v1')
export class BillingController {
  constructor(private mockData: MockDataService) {}
  
  @Post('acr:X-Orange-ISE2/transactions/amount')
  chargeUser(
    @Headers('x-orange-ise2') ise2: string,
    @Headers('x-orange-mco') mco: string,
    @Body() body: any,
  ) {
    console.log('[MOCK] Charge request:', { ise2, mco, body });
    
    const { amountTransaction } = body;
    
    if (!amountTransaction) {
      throw new HttpException({
        requestError: {
          serviceException: {
            messageId: 'SVC0002',
            text: 'Invalid input value for message part amountTransaction'
          }
        }
      }, HttpStatus.BAD_REQUEST);
    }
    
    const amount = parseFloat(amountTransaction.paymentAmount.chargingInformation.amount);
    
    // Simuler une transaction
    const result = this.mockData.createTransaction({
      endUserId: ise2,
      amount,
      ...amountTransaction,
    });
    
    if (!result.success) {
      throw new HttpException({
        requestError: {
          policyException: {
            messageId: result.error.code,
            text: result.error.message
          }
        }
      }, HttpStatus.FORBIDDEN);
    }
    
    return {
      amountTransaction: {
        ...amountTransaction,
        serverReferenceCode: result.transaction.serverReferenceCode,
        transactionOperationStatus: 'Charged',
        resourceURL: `http://localhost:3001/payment/mea/v1/transactions/${result.transaction.serverReferenceCode}`
      }
    };
  }
}