const { app, db, globalConfig } = require("../index.js") // Get globals from index

var timeSinceLastCiderQuery = Date.now()-2000;
var currentListening = {}
var currentListeningHtml = ""

app.get("/cider", (rreq,rres) => {
    
    rres.send("<span>Cider endpoint is temporarily unavailable.</span>")
})

// app.get("/cider", (rreq,rres) => { // GET current listening from target

//     if (Date.now() < timeSinceLastCiderQuery+2000) { 
//         rres.send(currentListening); // If it has been <2 seconds since the last request, return the cached result.
//     } else { 
//         getCurrentListening(globalConfig.cider.targetHosts[0],"json").then(funcRes => {
//             if (funcRes == 1) {
//                 rres.sendStatus(503) // If there was a problem getting the upstream JSON, return 503 Service Unavailable.
//             } else {
//                  // Required (I think?) because of CORS.
//                 currentListening = funcRes
//                 rres.send(funcRes)
//             }
//         })
//     }

// })

// app.post("/cider", (rreq,rres) => { // POST stop listening on cider target

//     fetch(`http://${globalConfig.couchdb.host}/apiauthkeys/${globalConfig.cider.authKeysDoc}`, {
//         headers: {
//             "Authorization": `Basic ${btoa(globalConfig.couchdb.authorization)}`
//         }
//     }).then(dbRes => dbRes.json()).then(dbRes => {

//         if (dbRes.status == 404) { // If document containing cider auth keys does not exist
//             console.log(`ERROR: Could not find apiauthkeys/${globalConfig.mailjet.authKeysDoc}`)
//             rres.sendStatus(500) // Refuse request
//         } else {
//             if (dbRes["content"][rreq.get("Authorization").split("_")[0]] === rreq.get("Authorization").split("_")[1]) {

//                 fetch(`http://${globalConfig.cider.targetHosts[0]}/stop`).then(fres => { // send GET /stop to cider target
//                     if (fres.status == 204) {
//                         console.log(`${rreq.get("cf-connecting-ip")} POST /cider returned 200 KEY:${rreq.get("Authorization")}`)
//                         rres.sendStatus(200) // if that works then 200
//                     } else {
//                         rres.sendStatus(500) // otherwise lol
//                     }
//                 }).catch(ferror => {
//                     rres.sendStatus(503) // and if a problem happens its probably cause cider target is unavailable
//                 })

//             } else {
//                 console.log(`${rreq.get("cf-connecting-ip")} POST /cider returned 401`) // log ip of unauthorized requests
//                 rres.sendStatus(401) // received auth key was not in database
//             }
//         }
//     })

// })

// 2024-04-10: Retrieves currentPlayingSong JSON from specified Cider host and
// returns JSON/HTML containing the useful bits if successful, returning 1 if not.

// async function getCurrentListening(host,contentType) { // Host should be hostname/ip & port only.
//     timeSinceLastCiderQuery = Date.now(); // Save last time function was run, used to indicate when the cache needs refreshed.
//     return await fetch(`http://${host}/currentPlayingSong`).then(fetchRes => {
//         if (fetchRes.status == 502) {
//             return 1 // If the upstream server returns 502 (Bad Gateway) then internally return 1, indicating error.
//         } else {
//             return fetchRes.json().then(jsonRes => {
//                 if (jsonRes.info.name == undefined) {
//                     return 1 // If Cider is running but not playing a song this check prevents an undefined variable error.
//                 } else {
//                     if (contentType === "json") {
//                         return { 
//                             "songName": jsonRes.info.name,
//                             "artistName": jsonRes.info.artistName,
//                             "albumName": jsonRes.info.albumName,
//                             "songLinkUrl": jsonRes.info.url.songLink,
//                             "endtimeEpochInMs": jsonRes.info.endTime,
//                             "artworkUrl": jsonRes.info.artwork.url.replace("{w}", jsonRes.info.artwork.width).replace("{h}", jsonRes.info.artwork.height)
//                         }
//                     } else if (contentType === "html") {
//                         return `<img src="${jsonRes.info.artwork.url.replace("{w}", jsonRes.info.artwork.width).replace("{h}", jsonRes.info.artwork.height)}" alt="Album Art" id="nowplaying-albumart" style="width: 10em;"> <div class="textlist"><p>I'm listening to</p><h3>${`${jsonRes.info.name} by ${jsonRes.info.artistName}`}</h3><p>from ${jsonRes.info.albumName}</p><a href="${jsonRes.info.url.songLink}" class="noindent">song.link</a></div>`
//                     } else {
//                         return 1
//                     }

//                 }
//             })
//         }
//     }).catch(fetchError => {
//         console.error("Error fetch()ing upstream Cider host: "+fetchError)
//         return 1 // If something else happens then log it and return 1, indicating error.
//     })
// }

module.exports = {app} // export routes to be imported by index for execution