const express = require('express');
const cors = require('cors');
const app = express();
const passport = require('passport');
const path = require('path');
const fs = require('fs');
const bodyParser = require('body-parser');
const db = require('./db/models');
const config = require('./config');
const swaggerUI = require('swagger-ui-express');
const swaggerJsDoc = require('swagger-jsdoc');

const authRoutes = require('./routes/auth');
const fileRoutes = require('./routes/file');
const searchRoutes = require('./routes/search');
const sqlRoutes = require('./routes/sql');
const pexelsRoutes = require('./routes/pexels');

const openaiRoutes = require('./routes/openai');
const mangaRoutes = require('./routes/manga');


const usersRoutes = require('./routes/users');

const rolesRoutes = require('./routes/roles');

const permissionsRoutes = require('./routes/permissions');

const sourcesRoutes = require('./routes/sources');

const extensionsRoutes = require('./routes/extensions');

const seriesRoutes = require('./routes/series');

const chaptersRoutes = require('./routes/chapters');

const chapter_pagesRoutes = require('./routes/chapter_pages');

const library_entriesRoutes = require('./routes/library_entries');

const categoriesRoutes = require('./routes/categories');

const category_assignmentsRoutes = require('./routes/category_assignments');

const reading_sessionsRoutes = require('./routes/reading_sessions');

const bookmarksRoutes = require('./routes/bookmarks');

const downloadsRoutes = require('./routes/downloads');

const notification_preferencesRoutes = require('./routes/notification_preferences');

const update_subscriptionsRoutes = require('./routes/update_subscriptions');

const tracker_accountsRoutes = require('./routes/tracker_accounts');

const tracker_mappingsRoutes = require('./routes/tracker_mappings');

const user_preferencesRoutes = require('./routes/user_preferences');

const backupsRoutes = require('./routes/backups');

const feedback_reportsRoutes = require('./routes/feedback_reports');

const search_historyRoutes = require('./routes/search_history');

const reading_progressRoutes = require('./routes/reading_progress');


const getBaseUrl = (url) => {
  if (!url) return '';
  return url.endsWith('/api') ? url.slice(0, -4) : url;
};

const options = {
  definition: {
    openapi: "3.0.0",
      info: {
        version: "1.0.0",
        title: "App Draft",
        description: "App Draft Online REST API for Testing and Prototyping application. You can perform all major operations with your entities - create, delete and etc.",
      },
    servers: [
      {
        url: getBaseUrl(process.env.NEXT_PUBLIC_BACK_API) || config.swaggerUrl,
        description: "Development server",
      }
    ],
    components: {
      securitySchemes: {
        bearerAuth: {
          type: 'http',
          scheme: 'bearer',
          bearerFormat: 'JWT',
        }
      },
      responses: {
        UnauthorizedError: {
          description: "Access token is missing or invalid"
        }
      }
    },
    security: [{
      bearerAuth: []
    }]
  },
  apis: ["./src/routes/*.js"],
};

const specs = swaggerJsDoc(options);
app.use('/api-docs', function (req, res, next) {
    swaggerUI.host = getBaseUrl(process.env.NEXT_PUBLIC_BACK_API) || req.get('host');
    next()
  }, swaggerUI.serve, swaggerUI.setup(specs))

app.use(cors({origin: true}));
require('./auth/auth');

app.use(bodyParser.json());

app.use('/api/auth', authRoutes);
app.use('/api/file', fileRoutes);
app.use('/api/pexels', pexelsRoutes);
app.enable('trust proxy');


app.use('/api/users', passport.authenticate('jwt', {session: false}), usersRoutes);

app.use('/api/roles', passport.authenticate('jwt', {session: false}), rolesRoutes);

app.use('/api/permissions', passport.authenticate('jwt', {session: false}), permissionsRoutes);

app.use('/api/sources', passport.authenticate('jwt', {session: false}), sourcesRoutes);

app.use('/api/extensions', passport.authenticate('jwt', {session: false}), extensionsRoutes);

app.use('/api/series', passport.authenticate('jwt', {session: false}), seriesRoutes);

app.use('/api/chapters', passport.authenticate('jwt', {session: false}), chaptersRoutes);

app.use('/api/chapter_pages', passport.authenticate('jwt', {session: false}), chapter_pagesRoutes);

app.use('/api/library_entries', passport.authenticate('jwt', {session: false}), library_entriesRoutes);

app.use('/api/categories', passport.authenticate('jwt', {session: false}), categoriesRoutes);

app.use('/api/category_assignments', passport.authenticate('jwt', {session: false}), category_assignmentsRoutes);

app.use('/api/reading_sessions', passport.authenticate('jwt', {session: false}), reading_sessionsRoutes);

app.use('/api/bookmarks', passport.authenticate('jwt', {session: false}), bookmarksRoutes);

app.use('/api/downloads', passport.authenticate('jwt', {session: false}), downloadsRoutes);

app.use('/api/notification_preferences', passport.authenticate('jwt', {session: false}), notification_preferencesRoutes);

app.use('/api/update_subscriptions', passport.authenticate('jwt', {session: false}), update_subscriptionsRoutes);

app.use('/api/tracker_accounts', passport.authenticate('jwt', {session: false}), tracker_accountsRoutes);

app.use('/api/tracker_mappings', passport.authenticate('jwt', {session: false}), tracker_mappingsRoutes);

app.use('/api/user_preferences', passport.authenticate('jwt', {session: false}), user_preferencesRoutes);

app.use('/api/backups', passport.authenticate('jwt', {session: false}), backupsRoutes);

app.use('/api/feedback_reports', passport.authenticate('jwt', {session: false}), feedback_reportsRoutes);

app.use('/api/search_history', passport.authenticate('jwt', {session: false}), search_historyRoutes);

app.use('/api/reading_progress', passport.authenticate('jwt', {session: false}), reading_progressRoutes);

app.use(
    '/api/openai',
    passport.authenticate('jwt', { session: false }),
    openaiRoutes,
);
app.use(
    '/api/ai',
    passport.authenticate('jwt', { session: false }),
    openaiRoutes,
);

app.use(
  '/api/search',
  passport.authenticate('jwt', { session: false }),
  searchRoutes);
app.use(
  '/api/sql',
  passport.authenticate('jwt', { session: false }),
  sqlRoutes);

app.use(
  '/api/manga',
  passport.authenticate('jwt', { session: false }),
  mangaRoutes
);

const publicDir = path.join(
  __dirname,
  '../public',
);

if (fs.existsSync(publicDir)) {
  app.use('/', express.static(publicDir));

  app.get('*', function(request, response) {
    response.sendFile(
      path.resolve(publicDir, 'index.html'),
    );
  });
}

const PORT = process.env.NODE_ENV === 'dev_stage' ? 3000 : 8080;

db.sequelize.sync().then(function () {
  app.listen(PORT, () => {
    console.log(`Listening on port ${PORT}`);
  });
});

module.exports = app;