const express = require('express')
const sqlite3 = require('sqlite3').verbose()
const path = require('path')
const bcrypt = require('crypto')

const app = express()
const port = 3000

// Create a new SQLite database in memory
const db = new sqlite3.Database('ruscodb')

// Create a table to store data
db.serialize(() => {
    db.get(
        `SELECT name FROM sqlite_master WHERE type='table' AND name='ruschi';`,
        (err, row) => {
            if (!row) {
                db.run(
                    'CREATE TABLE ruschi (id INTEGER PRIMARY KEY, type TEXT, name TEXT, description TEXT, image_url TEXT, latitude REAL, longitude REAL)'
                )
            }
        }
    )
})

app.use(express.static(path.join(__dirname, 'public')))
app.use(express.json())
// app.get('/', (req, res) => {
//   res.sendFile('index.html')
// });

// Insert a new item into the database
app.post('/addRuschi', (req, res) => {
    const { name, description, imageUrl, latitude, longitude } = req.body
    const type = 'bho'
    db.run(
        'INSERT INTO ruschi (type, name, description, image_url, latitude, longitude) VALUES (?, ?, ?, ?, ?, ?)',
        [type, name, description, imageUrl, latitude, longitude],
        function (err) {
            if (err) {
                return console.error(err.message)
            }
            console.log(`A row has been inserted with rowid ${this.lastID}`)
            res.send(`Item added with ID: ${this.lastID}`)
        }
    )
})

// Retrieve all items from the database
app.get('/getRuschi', (req, res) => {
    db.all('SELECT * FROM ruschi', [], (err, rows) => {
        if (err) {
            return console.error(err.message)
        }
        let ruschi = []
        rows.forEach(rusco => {
            const coordinates = { latitude: rusco.latitude, longitude: rusco.longitude }
            const marker = {
                type: "Feature",
                properties: {
                    name: rusco.name,
                    description: rusco.description,
                    image_url: rusco.image_url,
                },
                geometry: {
                    type: rusco.type,
                    coordinates: coordinates
                }
            }
            ruschi.push(marker)
        })
        return res.json(ruschi)
    })
})

app.post('/login', (req, res) => {
    const username = req.body.username
    const password = req.body.password
    const hashedPassword = bcrypt
        .createHash('sha256')
        .update(password)
        .digest('base64') //.digest('base64');

    db.all(
        'SELECT * FROM users WHERE username = ? AND password = ?',
        [username, hashedPassword],
        (err, rows) => {
            if (err) {
                return console.error(err.message)
            }
            if (rows.length == 1) {
                return res.json('Logged in')
            }
            return res.json('Incorrect username or password')
        }
    )
})

app.post('/register', (req, res) => {
    console.log(req.body)
    const username = req.body.username
    const password = req.body.password
    const hashedPassword = bcrypt
        .createHash('sha256')
        .update(password)
        .digest('base64') //.digest('base64');
    db.run(
        'insert into users (username, password) VALUES (?, ?)',
        [username, hashedPassword],
        (err, rows) => {
            if (err) {
                return console.error(err.message)
            }
            res.json('OK')
        }
    )
})

// Start the server
app.listen(port, () => {
    console.log(`Server is running on http://localhost:${port}`)
})