/* Proxy to bypass CORS (tauon does not pass these headers) */

import express from "express"
import cors from "cors"
import compression from "compression"

const app = express()
app.use(cors())
app.use(compression())

app.get("/version", (req, res) => {
    let host = req.query.host
    if (typeof host !== "string") {
        return res.status(400).send("No host")
    }
    if (!host.includes(":")) {
        host = host + ":7814"
    } 
    fetch(`http://${host}/api1/version`)
        .then(fetchRes => fetchRes.json())
        .then(fetchRes => {
            return res.status(200).send(fetchRes)
        })
        .catch((err) => {
            return res.status(500).send(err)
        })
    
})

app.get("/status", (req, res) => {
    let host = req.query.host
    if (typeof host !== "string") {
        return res.status(400).send("No host")
    }
    if (!host.includes(":")) {
        host = host + ":7814"
    }
    fetch(`http://${host}/api1/status`)
        .then(fetchRes => fetchRes.json())
        .then(fetchRes => {
            return res.status(200).send(fetchRes)
        })
        .catch((err) => {
            return res.status(500).send(err)
        })
})

app.get("/pic", (req, res) => {
    let host = req.query.host
    const size = req.query.size
    const id = req.query.id 


    if (typeof host !== "string" || !size || !id)
        return res.status(400).send("Bad parameters")

    if (!host.includes(":")) {
        host = host + ":7814"
    }

    fetch(`http://${host}/api1/pic/${size}/${id}`)
        .then(raw => raw.arrayBuffer())
        .then(arrBuff => Buffer.from(arrBuff))
        .then(buff => {
            return res.send(buff)
        })
})

app.get("/play", (req, res) => {
    let host = req.query.host
    if (typeof host !== "string")
        return res.status(400).send("Bad host")

    if (!host.includes(":")) {
        host = host + ":7814"
    }

    fetch(`http://${host}/api1/play`)
    return res.status(200).end()
})

app.get("/pause", (req, res) => {
    let host = req.query.host
    if (typeof host !== "string")
        return res.status(400).send("Bad host")

    if (!host.includes(":")) {
        host = host + ":7814"
    }

    fetch(`http://${host}/api1/pause`)
    return res.status(200).end()
})

app.get("/next", (req, res) => {
    let host = req.query.host
    if (typeof host !== "string")
        return res.status(400).send("Bad host")

    if (!host.includes(":")) {
        host = host + ":7814"
    }

    fetch(`http://${host}/api1/next`)
    return res.status(200).end()
})

app.get("/back", (req, res) => {
    let host = req.query.host
    if (typeof host !== "string")
        return res.status(400).send("Bad host")

    if (!host.includes(":")) {
        host = host + ":7814"
    }

    fetch(`http://${host}/api1/back`)
    return res.status(200).end()
})


app.listen(7815, () => console.log("MuonRC Proxy listening on 7815"))