//Import required packages
const express = require('express');
const cors = require('cors');
const bodyParser = require('body-parser');
const morgan = require('morgan');
const config = require('./db/config/config');
const nodemailer = require('nodemailer');


const conversations = require('./db/conversations'); //Import connection to clients
const clients = require('./db/clients'); //Import connection to clients
const users = require('./db/users'); //Import connection to clients
const chat = require('./db/chat')

const app = express(); // Invoke Express

app.use(morgan('tiny')); // Add morgan logs
app.use(cors()); // Add CORS
app.use(bodyParser.json()); // Add body parser. Parses JSON from client

// When a get request comes into our server this will run
//req = request, res = response // Parameters

app.get('/clients', (req, res) => {
    clients.getAll().then((clients) => {
        res.json(clients);
    });
});

//Handle POST requests to clients
app.post('/clients', (req, res) => {
    console.log(req.body);
    clients.insert(req, res).then((client) => {
        res.json(client);
    }).catch((error) => {
        res.status(500);
        res.json(error);
    });
})


//Handle POST requests to register
app.post('/register', (req, res) => {
    console.log(req.body);
    users.register(req, res).then((user) => {
        res.json(user);
        console.log(user)
    }).catch((error) => {
        res.status(500);
        res.json(error);
    });
})
app.post('/login', (req, res) => {
    users.login(req, res)
    // users.register(req.body).then((user) => {
    //     res.json(user);
    // }).catch((error) => {
    //  res.status(500);
    //  res.json(error);
    // });
})
app.post('/getConversations', (req, res) => {
    conversations.getConversations(req, res).then((conversations) => {
        console.log('convo ' + conversations)
        res.json(conversations)
        console.log('after json')
    }).catch((error) => {
        res.status(500);
        //res.json(error);
    });
});

app.post('/getConversationClient', (req, res) => {
    conversations.getConversationClient(req, res).then((conversations) => {
        console.log('convo ' + conversations)
        res.json(conversations)
        console.log('after json')
    }).catch((error) => {
        res.status(500);
        //res.json(error);
    });
});



app.post('/createConversation', (req, res) => {
    conversations.createConversation(req, res).then((conversations) => {

        res.json(conversations)
    }).catch((error) => {
        res.status(500);
        //res.json(error);
    });
})
app.post('/getMessages', (req, res) => {
    console.log('inside get messages' + " " + JSON.stringify(req.body))
    chat.getMessages(req, res).then((messages) => {
        console.log(messages)
        res.json(messages)
    }).catch((error) => {
        console.log(error)
        res.status(500);
    });
})

app.post('/sendMessage', (req, res) => {
    console.log(req.body)
    chat.sendMessage(req, res).then((message) => {
        res.json(message)
        console.log(message)
    }).catch((error) => {
        res.status(500);
    });
})

app.post('/sendMessageClient', (req, res) => {
    console.log(req.body)
    chat.sendMessageClient(req, res).then((message) => {
        res.json(message)
        console.log(message)
    }).catch((error) => {
        res.status(500);
    });
})

app.post('/sendMail', (req, res) => {
    const output = `<p>Please use this access code for your Kelowna Medical Massage app: ${req.body.accessCode}</p>`

    console.log(req.body)
    // Generate test SMTP service account from ethereal.email
    // Only needed if you don't have a real mail account for testing
    nodemailer.createTestAccount((err, account) => {
        // create reusable transporter object using the default SMTP transport
        let transporter = nodemailer.createTransport({
            service: 'gmail',
 auth: {
        user: 'mailtestKMM@gmail.com',
        pass: 'testingKMM123'
    }
        });

        // setup email data with unicode symbols
        let mailOptions = {
            from: '"Test 👻" <foo@example.com>', // sender address
            to: req.body.email, // list of receivers
            subject: 'KMM Access Code', // Subject line
            text: `Please use this access code for your Kelowna Medical Massage app: ${req.body.accessCode}`,
            html: `<p>Please use this access code for your Kelowna Medical Massage app: ${req.body.accessCode}</p>`
        };

        console.log(mailOptions)

        // send mail with defined transport object
        transporter.sendMail(mailOptions, (error, info) => {
            if (error) {
                return console.log(error);
            }
            console.log('Message sent: %s', info.messageId);
            // Preview only available when sending through an Ethereal account
            console.log('Preview URL: %s', nodemailer.getTestMessageUrl(info));

            // Message sent: <b658f8ca-6296-ccf4-8306-87d57a0b4321@example.com>
            // Preview URL: https://ethereal.email/message/WaQKMgKddxQDoou...
        });
    });
})


const port = config.port || 1234; //Set port for deployment or 1234 for testing

//Set listening port
app.listen(port, () => {
    console.log(`listening on ${port}`);
});