const express = require('express');
const database = require('./database');
const fileUpload = require('express-fileupload');
const { isUser, isAdmin, isLoggedIn, hasPermission } = require('./authentication');
const bodyParser = require('body-parser');
const cronJobs = require('./plugins/cronJobs');
const swaggerJsdoc = require("swagger-jsdoc");
const cors = require('cors')
const swaggerUi = require("swagger-ui-express");
const { createAdmins } = require('./plugins/privateAdmin');
const portals = require('./plugins/portals');
global._ = require('lodash');
global.lodash = require('lodash-contrib');
global.portal = [];

for (const item of portals) {
  portal.push(item.value);
}

// Create express instance
const app = express();

const options = {
  definition: {
    openapi: "3.0.0",
    info: {
      title: "Ostandari Swagger RestFul API",
      version: "1.0.0",
      description: "API documentation",
      license: {
        name: "MIT",
      },
    },
    components: {
      securitySchemes: {
        bearerAuth: {
          type: 'http',
          in: 'header',
          name: 'Authorization',
          description: 'Bearer Token',
          scheme: 'bearer',
          bearerFormat: 'JWT',
        },
      },
    },
    security: {
      bearerAuth: [],
    },
    servers: [
      {
        url: "http://localhost:3756",
      },
    ],
  },
  apis: ['./server/routes/*.js']
};

const specs = swaggerJsdoc(options);

cronJobs();
createAdmins();
const corsOptions ={
  origin:'*', 
  credentials:true,
  optionSuccessStatus:200,
}

// Init body-parser options (inbuilt with express)
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(fileUpload());
app.use(cors(corsOptions))
app.use(
    "/v1",
    swaggerUi.serve,
    swaggerUi.setup(specs  , {explorer:true})
);
// Require & Import API routes
const Public = require('./routes/public');
const admin = require('./routes/admin');
const auth = require('./routes/auth');
const user = require('./routes/user');

// Use API Routes
app.use('/public', Public);
app.use('/auth', auth);
app.use('/admin', [isLoggedIn, isAdmin], admin);
// app.use('/user', isUser, user);

// Error handling middleware to catch buffer issues
app.use((err, req, res, next) => {
  if (err.code === 'ENOBUFS') {
    console.error('Buffer space error:', err);
    res.status(500).send('Server is experiencing buffer space issues.');
  } else {
    next(err);
  }
});

// Export the server middleware
module.exports = {
  path: '/api',
  handler: app
};