var fs = require('fs');
const express = require('express')
const { Samsung, KEYS, APPS } = require('samsung-tv-control')
const jsonfile = require('jsonfile')
const file = '/home/token.json'
var https = require('https');
var privateKey  = fs.readFileSync('/cert/cert.key', 'utf8');
var certificate = fs.readFileSync('/cert/cert.crt', 'utf8');
var credentials = {key: privateKey, cert: certificate};

var cors = require('cors')
const corsOptions ={
  origin:'*', 
  credentials:true,      
  optionSuccessStatus:200,
}

jsonfile.readFile(file, function (err, obj) {
  if (err) console.error(err)
  console.log("token: " + obj.data)
  const config = {
    debug: false, // Default: false
    ip: '192.168.0.2',
    mac: 'A4:30:7A:08:57:6A',
    nameApp: 'OurControlApp', // Default: NodeJS
    port: 8002, // Default: 8002
    token: obj.data,
  }


  const control = new Samsung(config)
    // Get all installed apps from TV
    control.getAppsFromTV((err, res) => {
      console.log(err)
      if (!err) {
        console.log('# Response getAppsFromTV', res)
      }
    })

  async function sendKey(key) {
    // Send key to TV
    control.sendKey(key, function (err, res) {
      if (!err) {
        console.log("Sending: " + key)
      }
    })
  }

  const app = express()
  var httpsServer = https.createServer(credentials, app);

  const port = 3031
  app.use(cors(corsOptions))

  app.get('/', (req, res) => {
    res.end('Welcome to the TV API!')

  })

  app.get('/home', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_HOME)
      res.end('1')
    })();
  })

  app.get('/right', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_RIGHT)
      res.end('1')
    })();
  })

  app.get('/left', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_LEFT)
      res.end('1')
    })();
  })

  app.get('/up', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_UP)
      res.end('1')
    })();
  })

  app.get('/down', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_DOWN)
      res.end('1')
    })();
  })

  app.get('/enter', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_ENTER)
      res.end('1')
    })();
  })

  app.get('/back', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_RETURN)
      res.end('1')
    })();
  })

  app.get('/volumeDown', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_VOLDOWN)
      res.end('1')
    })();
  })

  app.get('/volumeUp', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_VOLUP)
      res.end('1')
    })();
  })

  app.get('/mute', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_MUTE)
      res.end('1')
    })();
  })

  app.get('/pmode', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_PMODE)
      res.end('1')
    })();
  })

  app.get('/off', (req, res) => {
    (async () => {
      await sendKey(KEYS.KEY_POWEROFF)
      res.end('1')
    })();
  })

  app.get('/newToken', (req, res) => {
    (async () => {
      control
        .isAvailable()
        .then(() => {
          // Get token for API
          control.getToken((token) => {
            console.info('# Response getToken:', token)
            const obj = { data: token }
            if (token == "null") return
            jsonfile.writeFile(file, obj, function (err) {
              if (err) console.error(err)
              console.log("new key, exiting to refresh")
              process.exit(0);
            })
          })
        })
      res.end('1')
    })();
  })

  app.get('/openNetFlix', (req, res) => {
    (async () => {
    // Open app by appId which you can get from getAppsFromTV
    control.openApp(APPS.Netflix, (err, res) => {
      if (!err) {
        console.log('# Response openApp', res)
      }
    })
      res.end('1')
    })();
  })

  app.get('/OpenYouTube', (req, res) => {
    (async () => {
    // Open app by appId which you can get from getAppsFromTV
    control.openApp(APPS.Netflix, (err, res) => {
      if (!err) {
        console.log('# Response openApp', res)
      }
    })
      res.end('1')
    })();
  })

  app.get('/checkPass', (req, res) => {
    (async () => {
      let pass = "YourPassHere"
      let sent = req.query.pass
      if (pass == sent){
        console.log("User Authed Properly!")
        res.end('1')
      } else {
        res.end('0')
      }
    })();
  })

  httpsServer.listen(port, () => {
    console.log(`TV Control API listening on port ${port}`)
  })
})