const express = require('express'),
    path = require("path"),
    fs = require("fs"),
    WebSocket = require("ws")

const PORT = process.env.PORT || 8080

var app = express()

var lanyardData = "Nothing Fetched yet!"

var sockets = []

var pfpSeason = "default"

var violetSpins = 0

function randomFileInDir(directory) {
    var dir = fs.readdirSync(directory)
    return path.join(directory, dir[Math.floor(Math.random() * dir.length)])
}

app.get("/", (req, res) => {
    var docs = fs.readFileSync(path.join(__dirname, "basicDocs.json"))
    docs = JSON.parse(docs)
    res.send(docs)
})

app.get("/v1/pfp", (req, res) => {
    var time = new Date(Date.now())
    if ([11, 12, 1].includes(time.getMonth() + 1)) {
        pfpSeason = "christmas"
    }
    
    var pfpConfig = JSON.parse(fs.readFileSync(path.join(__dirname, "PFPs.json")))[pfpSeason]
    var characterNumb = time.getDate() % pfpConfig.length
    var char = pfpConfig[characterNumb]
    var pfps = char.pfps
    
    try {
        var pfpPool = pfps
        var rand = Math.floor(Math.random() * pfpPool.length)
        var pfp = path.join(__dirname, char.pfpRoot, pfpPool[rand])
        res.sendFile(pfp)
    } catch (error) {
        var pfp = path.join(__dirname, char.fallback)
        res.sendFile(pfp)
    }
})

app.get("/v1/lanyard", (req, res) => {
    res.send(lanyardData)
})

app.get("/v1/spins", (req, res) => {
    res.send(violetSpins.toString())
})

// app.listen(PORT, () => {
//     console.log("API is now listening on port 8080!")
// })

function socketeer() {
    var lanyard = new WebSocket('wss://api.lanyard.rest/socket')

    function beat(dur) {
        lanyard.send(JSON.stringify({
            op: 3
        }))
        setTimeout(() => {
            beat(dur)
        }, dur);
    }

    lanyard.addEventListener("message", async (res) => {
        var data = JSON.parse(res.data)
        if (data.op == 1) {
            beat(data.d.heartbeat_interval)
            lanyard.send(JSON.stringify({
                op: 2,
                d: {
                    subscribe_to_id: "534132311781015564"
                }
            }))
        } else if (data.op == 0) {
            lanyardData = data

            for (let index = 0; index < sockets.length; index++) {
                var socketData = sockets[index]
                var socket = socketData.socket;
                socket.send(JSON.stringify(lanyardData))

                if ((Date.now() - socketData.lastPing) > 120000) {
                    sockets.splice(index, 1)
                }
            }
        }
    })

    lanyard.on('close', () => {
        console.log("Disconnected")
        setTimeout(() => {
            socketeer()
        }, 60000)
    })
}

socketeer()

// wsServer = new WebSocket.WebSocketServer({ port: 8090 })

wsServer = WebSocket.Server;
let server = require('http').createServer()
wsServer = new wsServer({
    server: server,
    perMessageDeflate: false
})
server.on('request', app)

wsServer.on("connection", function connection(socket) {
    socket.on('message', function message(data) {
        data = JSON.parse(data)
        if (data.op == 3) {
            for (let index = 0; index < sockets.length; index++) {
                const socketData = sockets[index];
                if (socketData.socket == socket) {
                    sockets[index].lastPing = Date.now()
                }
            }

            socket.send(`{"op": 3}`)
        } else if (data.op == 4) {
            violetSpins += 1
            for (var i = 0; i < sockets.length; i++) {
                var soc = sockets[i].socket
                soc.send(`{"op": 4, "spins": ${violetSpins}}`)

            }
        } else {
            console.log(data)
        }
    })

    socket.send(JSON.stringify(lanyardData))
    socket.send(`{ "op": 1 }`)
    socket.send(`{"op": 4, "spins": ${violetSpins}}`)

    sockets.push({ socket, lastPing: Date.now() })
})

server.listen(PORT, function () {
    console.log("API & Websocket now on port: " + PORT)
})