/**
 * 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/.
 */
'use strict';

/**
 * Proxy configuration for running the app against a local Fineract instance.
 * Usage:
 *   ng serve --proxy-config proxy.localhost.conf.js
 */

module.exports = [
  {
    context: ['/fineract-provider'],
    target: 'http://localhost:8443',
    pathRewrite: { '^/fineract-provider': '' },
    changeOrigin: true,
    secure: false,
    logLevel: 'debug',
    onProxyReq: function (proxyReq, req, res) {
      const rewrittenPath = (req.url || '').replace(/^\/fineract-provider/, '');
      console.log('[Proxy] Proxying:', req.method, req.url, '->', this.target + rewrittenPath);
    },
    onError: function (err, req, res) {
      console.error(
        '[Proxy] Error while proxying request:',
        req && req.method,
        req && req.url,
        '->',
        this.target,
        '-',
        err && err.message
      );
      if (res && !res.headersSent) {
        res.writeHead(502, { 'Content-Type': 'text/plain' });
        res.end('Proxy error: ' + (err && err.message ? err.message : 'Unknown error'));
      }
    }
  },
  {
    context: ['/external-nationalid'],
    target: 'https://apis.mifos.community',
    pathRewrite: { '^/external-nationalid': '/1.0/nationalid' },
    changeOrigin: true,
    secure: true,
    logLevel: 'debug',
    onProxyReq: function (proxyReq, req, res) {
      // Inject API key server-side (same as nginx proxy_set_header in production)
      const apiKey = process.env.EXTERNAL_NATIONAL_ID_SYSTEM_API_KEY || '';
      if (apiKey) {
        proxyReq.setHeader('X-Gravitee-Api-Key', apiKey);
      }
      const rewrittenPath = (req.url || '').replace(/^\/external-nationalid/, '/1.0/nationalid');
      console.log('[Proxy] Proxying:', req.method, req.url, '->', this.target + rewrittenPath);
    },
    onError: function (err, req, res) {
      console.error(
        '[Proxy] Error while proxying request:',
        req && req.method,
        req && req.url,
        '->',
        this.target,
        '-',
        err && err.message
      );
      if (res && !res.headersSent) {
        res.writeHead(502, { 'Content-Type': 'text/plain' });
        res.end('Proxy error: ' + (err && err.message ? err.message : 'Unknown error'));
      }
    }
  },
  {
    context: ['/remittance-api'],
    target: 'http://54.225.231.146:8080',
    pathRewrite: { '^/remittance-api': '/1.0/remittance' },
    changeOrigin: true,
    secure: false,
    logLevel: 'debug',
    onProxyReq: function (proxyReq, req, res) {
      // Inject API key server-side (same as nginx proxy_set_header in production)
      const apiKey = process.env.MIFOS_REMITTANCE_API_KEY || '';
      const apiHeader = process.env.MIFOS_REMITTANCE_API_HEADER || 'X-Gravitee-Api-Key';
      if (apiKey) {
        proxyReq.setHeader(apiHeader, apiKey);
      }
      const rewrittenPath = (req.url || '').replace(/^\/remittance-api/, '/1.0/remittance');
      console.log('[Proxy] Proxying:', req.method, req.url, '->', this.target + rewrittenPath);
    },
    onError: function (err, req, res) {
      console.error(
        '[Proxy] Error while proxying request:',
        req && req.method,
        req && req.url,
        '->',
        this.target,
        '-',
        err && err.message
      );
      if (res && !res.headersSent) {
        res.writeHead(502, { 'Content-Type': 'text/plain' });
        res.end('Proxy error: ' + (err && err.message ? err.message : 'Unknown error'));
      }
    }
  }
];