console.clear();

const app = require("express")(),
      fs  = require("fs"),
      config = require("./config.json");

const debugMode = true;

global.consoleHelper = require("./consoleHelper.js");

const serverHandler = require("./server/serverHandler.js");

app.use((req, res) => {
    req.packet = new Buffer.alloc(0);
    req.on("data", (chunk) => req.packet = Buffer.concat([req.packet, chunk], req.packet.length + chunk.length));
    req.on("end", () => {
        switch (req.method) {
            case "GET":
                if (req.url == "/" || req.url == "/index.html" || req.url == "/index.html") {
                    fs.readFile("./web/serverPage.html", (err, data) => {
                        if (err) throw err;
                        
                        if (debugMode) data = data.toString().replace("|isdebug?|", '<b style="color:red;">DEBUG</b>');
                        else data = data.toString().replace("|isdebug?|", '');
                        res.send(data);
                    });
                } else if (req.url == "/chat") {
                    fs.readFile("./web/chatPageTemplate.html", (err, data) => {
                        if (err) throw err;

                        let lines = "", flip = false;
                        const limit = global.chatHistory.length < 10 ? 10 : global.chatHistory.length;
                        for (let i = global.chatHistory.length - 10; i < limit; i++) {
                            if (i < 0) i = 0;
                            lines += `<div class="line line${flip ? 1 : 0}">${global.chatHistory[i] == null ? "<hidden>blank</hidden>" : global.chatHistory[i]}</div>`
                            flip = !flip;
                        }
                        
                        res.send(data.toString().replace("|content|", lines));
                    });
                }
            break;

            case "POST":
                // Make sure this address should respond to bancho requests
                // Bancho addresses: c, c1, c2, c3, c4, c5, c6, ce
                // Just looking for the first character being "c" *should* be enough
                if (req.headers["host"].split(".")[0][0] == "c")
                    serverHandler(req, res);
                else
                    res.status(400).send("400 | Bad Request!<br>Binato only accepts post request on bancho subdomains.<hr>Binato");
            break;

            default:
                res.status(405).send("405 | Method not allowed!<hr>Binato");
            break;
        }
    });
});

app.listen(config.port, () => global.consoleHelper.printBancho("Binato is up! Listening at port 5001"));