#!/usr/bin/env node

require('hide-terminal-cursor')();

if (process.stdout.rows <= 50 || process.stdout.columns <= 130) {
    console.clear();
    require('child_process').execSync("aplay /home/strawberry/strawberry/failure.wav 2> /dev/null");
    process.exit();
}

console.clear();
require('child_process').execSync("aplay /home/strawberry/strawberry/boot.wav 2> /dev/null");

if (require('fs').existsSync("/home/strawberry/strawberry/restart")) {
    require('fs').rmSync("/home/strawberry/strawberry/restart");
}

global.osVersion = "1.1.7";
global.osVersionCode = 9;
global.version = "1.5.6";
global.message = "Please insert a Startup Disk containing Strawberry OS " + osVersion + " or later.";
global.mounted = false;

(async () => {
    function error(text, text2) {
        clearInterval(loadInterval);
        clearInterval(loadInterval2);
        console.clear();

        let out = "";

        global.vertical = Math.round(process.stdout.rows / 2);
        let horizontal = Math.round(process.stdout.columns / 2 - (1 + (text.length / 2)));
        let horizontal2 = Math.round(process.stdout.columns / 2 - (1 + (text2.length / 2)));

        for (let n = 0; n < vertical; n++) {
            out += "\n" + " ".repeat(process.stdout.columns);
        }

        out += " ".repeat(horizontal) + text + " ".repeat(process.stdout.columns - horizontal - text.length) + "\n" + " ".repeat(horizontal2) + text2 + " ".repeat(process.stdout.columns - horizontal2 - text2.length);

        for (let n = 0; n < vertical - 2; n++) {
            out += "\n" + " ".repeat(process.stdout.columns);
        }

        console.log(chalk.bgRed.whiteBright(out));
        if (fs.existsSync("/home/strawberry/strawberry/restart")) {
            fs.rmSync("/home/strawberry/strawberry/restart");
        } else {
            require('child_process').execSync("aplay /home/strawberry/strawberry/crash.wav 2> /dev/null");
        }
    }

    process.on('uncaughtException', (error) => {
        let text2;
        let text;

        if (error.message === "User pressed interrupt button") {
            text2 = "Error Code 0x00000003";
            text = "The user interrupted the system's behavior.";
        } else {
            text2 = "Error Code 0xF" + require('crypto').createHash('md5').update(error.message).digest('hex').substring(0, 7).toUpperCase();
            text = "The system encountered a serious internal error and couldn't continue running.";
        }

        clearInterval(loadInterval);
        clearInterval(loadInterval2);
        console.clear();

        let out = "";

        global.vertical = Math.round(process.stdout.rows / 2);
        let horizontal = Math.round(process.stdout.columns / 2 - (1 + (text.length / 2)));
        let horizontal2 = Math.round(process.stdout.columns / 2 - (1 + (text2.length / 2)));

        for (let n = 0; n < vertical; n++) {
            out += "\n" + " ".repeat(process.stdout.columns);
        }

        out += " ".repeat(horizontal) + text + " ".repeat(process.stdout.columns - horizontal - text.length) + "\n" + " ".repeat(horizontal2) + text2 + " ".repeat(process.stdout.columns - horizontal2 - text2.length);

        for (let n = 0; n < vertical - 2; n++) {
            out += "\n" + " ".repeat(process.stdout.columns);
        }

        console.log(chalk.bgRed.whiteBright(out));

        process.stdout.cursorTo(0, 0);
        if (error.message !== "User pressed interrupt button") {
            process.stdout.write(error.stack);
            fs.writeFileSync("lastError.txt", error.stack);
        }
        if (fs.existsSync("/home/strawberry/strawberry/restart")) {
            fs.rmSync("/home/strawberry/strawberry/restart");
        } else {
            if (error.message.endsWith("EIO")) {
                console.clear();
                require('child_process').execSync("aplay /home/strawberry/strawberry/failure.wav 2> /dev/null");
            } else {
                require('child_process').execSync("aplay /home/strawberry/strawberry/crash.wav 2> /dev/null");
            }
        }
        process.exit();
    })

    const chalk = (await import('chalk')).default;
    const os = require('os');
    const fs = require('fs');
    const si = require('systeminformation');

    if (!fs.existsSync("/Strawberry")) fs.mkdirSync("/Strawberry");

    process.stdin.setRawMode(true);

    function clear() {
        process.stdout.cursorTo(0, vertical - 3);
        process.stdout.write(chalk.bgWhite.black(" ".repeat(process.stdout.columns)));
    }

    async function display() {
        let horizontal = Math.round(process.stdout.columns / 2 - (1 + (message.length / 2)));

        process.stdout.cursorTo(0, vertical - 3);
        process.stdout.write(chalk.bgWhite.black(" ".repeat(horizontal) + message + " ".repeat(process.stdout.columns - horizontal - message.length)));

        let disks = (await si.blockDevices()).filter((i) => { return i.type === "part"; });

        process.stdout.cursorTo(0, process.stdout.columns - 1);
        process.stdout.clearLine(undefined, undefined);
        process.stdout.write(chalk.whiteBright("strawberry-boot v" + version + ", kernel-hal v" + os.release() + ", core v" + process.versions.node + " - " + process.arch + " x" + os.cpus().length + " - Partitions detected: " + disks.length + " (" + disks.map((i) => {
            if (i.label === "SBSTARTUPDK") {
                require('child_process').exec("mount -o ro /dev/" + i.name + " /Strawberry");

                if (i.mount === "/Strawberry") {
                    global.mounted = true;
                }

                return chalk.green(i.name + " " + i.label + " " + (i.mount && i.mount.trim() !== "" ? i.mount : "<unmounted>"));
            } else {
                if (i.mount && i.mount.trim() !== "") {
                    return chalk.cyan(i.name + " " + i.label + " " + (i.mount && i.mount.trim() !== "" ? i.mount : "<unmounted>"));
                } else {
                    return chalk.red(i.name + " " + i.label + " " + (i.mount && i.mount.trim() !== "" ? i.mount : "<unmounted>"));
                }
            }
        }).join(", ") + ")"));
        process.stdout.cursorTo(0, vertical - 3);

        if (mounted) {
            if (fs.existsSync("/Strawberry/System")) {
                let localVersion = parseInt(fs.readFileSync("/Strawberry/System/Version").toString().trim().split("\n")[0].trim());
                if (localVersion < osVersionCode) {
                    error("The inserted Strawberry Startup Disk is not compatible with this device.", "Error Code 0x0000002B")
                } else {
                    global.message = "Checking Startup Disk...";
                }
            } else {
                error("The inserted Strawberry Startup Disk is not compatible with this device.", "Error Code 0x0000000A")
            }

            if (global.message === "Checking Startup Disk...") {
                require('/Strawberry/System/Startup.js');
            }
        }
    }

    global.center = (text) => {
        let out = "";
        global.vertical = Math.round(process.stdout.rows / 2 + 1);
        let horizontal = Math.round(process.stdout.columns / 2 - (1 + (text.length / 2)));

        for (let n = 0; n < vertical; n++) {
            out += "\n" + " ".repeat(process.stdout.columns);
        }

        out += " ".repeat(horizontal) + text + " ".repeat(process.stdout.columns - horizontal - text.length);

        for (let n = 0; n < vertical - 2; n++) {
            out += "\n" + " ".repeat(process.stdout.columns);
        }

        return chalk.bgWhite.black(out);
    }

    console.clear();
    console.log(center(""));
    process.stdout.write(chalk.whiteBright("strawberry-boot v" + version + ", kernel-hal v" + os.release() + ", core v" + process.versions.node + " - " + process.arch + " x" + os.cpus().length + " - Partitions detected: Please wait..."));
    process.stdout.cursorTo(0, 0);

    global.loadInterval = setInterval(clear, 2000);
    setTimeout(() => {
        global.loadInterval2 = setInterval(display, 2000);
    }, 1000)

    setInterval(() => {})
})()