/*
 * Copyright (c) 2026 by Christian Kellner.
 * Licensed under Apache-2.0 with Commons Clause and Attribution/Naming Clause
 */

/**
 * Lightweight dev mock server on port 9998.
 * Vite proxies /api to this. Run with: node tools/devMock.js
 */

import http from 'node:http';
const now = Date.now();

const users = [{ id: 1, username: 'admin', isAdmin: true, lastLogin: now, numberOfJobs: 2, mcpToken: 'tok_abc123' }];

const jobs = [
  {
    id: 'job1',
    name: 'Munich Apartments',
    enabled: true,
    running: false,
    blacklist: [],
    provider: [
      {
        id: 'immoscout',
        name: 'ImmobilienScout24',
        url: 'https://www.immobilienscout24.de/Suche/S-T/Wohnung-Miete/Bayern/Muenchen',
      },
    ],
    notificationAdapter: [],
    specFilter: { maxPrice: 1500, minSize: 50 },
    numberOfFoundListings: 2,
    isOnlyShared: false,
  },
  {
    id: 'job2',
    name: 'Berlin Rentals',
    enabled: true,
    running: false,
    blacklist: ['keller', 'EG'],
    provider: [{ id: 'immo', name: 'Immowelt', url: 'https://www.immowelt.de/suche/berlin/wohnungen/mieten' }],
    notificationAdapter: [],
    specFilter: {},
    numberOfFoundListings: 2,
    isOnlyShared: false,
  },
];

const listings = [
  {
    id: 'l1',
    title: '3-Zimmer-Wohnung in Schwabing',
    price: 1350,
    address: 'Leopoldstr. 42, München',
    provider: 'ImmobilienScout24',
    createdAt: now - 3600000,
    created_at: now - 3600000,
    image_url: null,
    link: 'https://example.com/l1',
    is_active: true,
    isWatched: 0,
    jobId: 'job1',
    job_name: 'Munich Apartments',
    size: 72,
    rooms: 3,
    description: 'Schöne 3-Zimmer-Wohnung in bester Lage in Schwabing. Balkon, Parkett, moderne Küche.',
    latitude: 48.1598,
    longitude: 11.5876,
  },
  {
    id: 'l2',
    title: 'Helle 2-Zimmer near Ostbahnhof',
    price: 980,
    address: 'Rosenheimer Str. 15, München',
    provider: 'ImmobilienScout24',
    createdAt: now - 7200000,
    created_at: now - 7200000,
    image_url: null,
    link: 'https://example.com/l2',
    is_active: true,
    isWatched: 1,
    jobId: 'job1',
    job_name: 'Munich Apartments',
    size: 55,
    rooms: 2,
    description: 'Helle 2-Zimmer-Wohnung nahe Ostbahnhof. Ruhige Lage, gute Anbindung.',
    latitude: 48.1285,
    longitude: 11.6005,
  },
  {
    id: 'l3',
    title: 'Altbau in Prenzlauer Berg',
    price: 1100,
    address: 'Kastanienallee 28, Berlin',
    provider: 'Immowelt',
    createdAt: now - 86400000,
    created_at: now - 86400000,
    image_url: null,
    link: 'https://example.com/l3',
    is_active: false,
    isWatched: 0,
    jobId: 'job2',
    job_name: 'Berlin Rentals',
    size: 65,
    rooms: 2,
    description: 'Charmante Altbauwohnung in Prenzlauer Berg. Hohe Decken, Stuck, Holzdielen.',
    latitude: 52.5397,
    longitude: 13.4098,
  },
  {
    id: 'l4',
    title: '4-Zimmer Neubau Mitte',
    price: 2200,
    address: 'Karl-Liebknecht-Str. 5, Berlin',
    provider: 'Immowelt',
    createdAt: now - 172800000,
    created_at: now - 172800000,
    image_url: null,
    link: 'https://example.com/l4',
    is_active: true,
    isWatched: 1,
    jobId: 'job2',
    job_name: 'Berlin Rentals',
    size: 95,
    rooms: 4,
    description: 'Moderner Neubau im Herzen von Berlin Mitte. Fußbodenheizung, Aufzug, Tiefgarage.',
    latitude: 52.5219,
    longitude: 13.4132,
  },
];

const dashboard = {
  general: { interval: 30, lastRun: now - 1800000, nextRun: now + 1800000 },
  kpis: { totalJobs: 2, totalListings: 4, numberOfActiveListings: 3, medianPriceOfListings: 1225 },
  pie: [
    { type: 'ImmobilienScout24', value: 50 },
    { type: 'Immowelt', value: 50 },
  ],
};

const routes = {
  'GET /api/login/user': { userId: 1, username: 'admin', isAdmin: true },
  'GET /api/admin/users': users,
  'GET /api/jobs/provider': [
    { id: 'immoscout', name: 'ImmobilienScout24', baseUrl: 'https://www.immobilienscout24.de' },
    { id: 'immo', name: 'Immowelt', baseUrl: 'https://www.immowelt.de' },
  ],
  'GET /api/jobs': jobs,
  'GET /api/jobs/shareableUserList': [],
  'GET /api/jobs/notificationAdapter': [],
  'GET /api/admin/generalSettings': { demoMode: false, analyticsEnabled: true, interval: 30 },
  'GET /api/user/settings': {},
  'GET /api/version': { newVersion: null },
  'GET /api/tracking/trackingPois': [],
  'GET /api/dashboard': dashboard,
  'GET /api/demo': { demoMode: false },
  'POST /api/user/settings/news-hash': {},
  'POST /api/user/settings/listing-deletion-preference': {},
};

const server = http.createServer((req, res) => {
  const origin = req.headers.origin || 'http://localhost:5175';
  const path = req.url.split('?')[0];
  const key = req.method + ' ' + path;

  res.setHeader('Access-Control-Allow-Origin', origin);
  res.setHeader('Access-Control-Allow-Credentials', 'true');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');

  if (req.method === 'OPTIONS') {
    res.writeHead(200);
    res.end();
    return;
  }

  if (path === '/api/jobs/events') {
    res.writeHead(200, { 'Content-Type': 'text/event-stream', 'Cache-Control': 'no-cache', Connection: 'keep-alive' });
    res.write(': connected\n\n');
    const interval = setInterval(() => res.write(': ping\n\n'), 15000);
    req.on('close', () => clearInterval(interval));
    return;
  }

  res.setHeader('Content-Type', 'application/json');

  const userMatch = path.match(/^\/api\/admin\/users\/(\d+)$/);
  if (req.method === 'GET' && userMatch) {
    const user = users.find((u) => u.id === parseInt(userMatch[1]));
    res.writeHead(user ? 200 : 404);
    res.end(JSON.stringify(user || { message: 'Not found' }));
    return;
  }

  const listingMatch = path.match(/^\/api\/listings\/([^/]+)$/);
  if (
    req.method === 'GET' &&
    listingMatch &&
    !path.includes('/table') &&
    !path.includes('/map') &&
    !path.includes('/watch')
  ) {
    const listing = listings.find((l) => l.id === listingMatch[1]);
    res.writeHead(listing ? 200 : 404);
    res.end(JSON.stringify(listing || { message: 'Not found' }));
    return;
  }

  if (path.startsWith('/api/jobs/data')) {
    res.writeHead(200);
    res.end(JSON.stringify({ result: jobs, totalNumber: jobs.length, page: 1 }));
    return;
  }
  if (path.startsWith('/api/listings/table')) {
    res.writeHead(200);
    res.end(JSON.stringify({ result: listings, totalNumber: listings.length, page: 1 }));
    return;
  }
  if (path.startsWith('/api/listings/map')) {
    res.writeHead(200);
    res.end(JSON.stringify({ listings: listings.filter((l) => l.is_active), maxPrice: 2200 }));
    return;
  }

  const data = routes[key];
  res.writeHead(200);
  res.end(JSON.stringify(data !== undefined ? data : {}));
});

server.listen(9998, () => console.warn('Dev mock ready on :9998'));