const os = require("node:os")
const path = require("node:path")
const fs = require("node:fs")
const child_process = require("node:child_process")

function resolveMcPath() {
    let minecraftGameFolder

    switch (os.type()) {
        case "Darwin":
            minecraftGameFolder = path.join(
                os.homedir(),
                "/Library",
                "Application Support",
                "minecraft"
            )
            break

        case "win32":
        case "Windows_NT":
            minecraftGameFolder = path.join(
                process.env.APPDATA ||
                path.join(os.homedir(), "AppData", "Roaming"),
                ".minecraft"
            )

            break
        default:
            minecraftGameFolder = path.join(os.homedir(), ".minecraft");
            break
    }

    return minecraftGameFolder
}

module.exports = {
    id: "mccomm2023",
    icon: "https://storage.ragestudio.net/gose-uploads/mccom/MCx128.png",
    pack_name: "MCommunity",
    version: "1.1.1",
    init: ({ pack_dir, tmp_dir }) => {
        return {
            git_update: [
                {
                    path: pack_dir,
                    branch: "main",
                    url: "https://git.ragestudio.net/srgooglo/mccom2023"
                }
            ],
            git_clones_steps: [
                {
                    path: pack_dir,
                    branch: "main",
                    url: "https://git.ragestudio.net/srgooglo/mccom2023"
                }
            ],
            http_downloads: [
                {
                    path: `${pack_dir}/tmp/forge-installer.jar`,
                    url: "https://storage.ragestudio.net/gose-uploads/mccom/forge-1.20.1-47.2.0-installer.jar",
                },
                {
                    path: `${pack_dir}/icon/mc.png`,
                    url: "https://storage.ragestudio.net/gose-uploads/mccom/MCx128.png",
                }
            ]
        }
    },
    after_install: async ({ manifest, pack_dir, tmp_dir, spinner }) => {
        if (spinner) {
            spinner.color = "yellow"
            spinner.text = `Installing Forge version and libraries...`
        }

        await new Promise((resolve, reject) => {
            const process = child_process.execFile("java", ["-jar", `${pack_dir}/tmp/forge-installer.jar`, "-installClient"], {
                cwd: pack_dir,
                shell: true,
            })

            process.on("exit", resolve)
            process.on("error", reject)
        })

        if (spinner) {
            spinner.succeed()
        }

        const minecraftGameFolder = resolveMcPath()

        const profilesFilePath = path.join(minecraftGameFolder, "launcher_profiles.json")

        if (fs.existsSync(profilesFilePath)) {
            let launcherJSON = fs.readFileSync(profilesFilePath, "utf8")

            launcherJSON = JSON.parse(launcherJSON)

            launcherJSON.profiles[manifest.id] = {
                name: manifest.pack_name,
                gameDir: pack_dir,
                created: "2023-00-00T00:00:00.002Z",
                javaArgs: "-Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M",
                lastVersionId: "1.20.1-forge-47.2.0",
                version: "1.20.1-forge-47.2.0",
                type: "custom",
                path: `${pack_dir}/icon/mc.png`,
            }

            fs.writeFileSync(profilesFilePath, JSON.stringify(launcherJSON, null, 2))
        } else {
            console.warn("WARNING: Its seems that you are not using the official launcher launcher, you must create a new profile on your launcher!")
            console.log(`Installation Path: ${pack_dir}`)
            console.log(`Version: 1.20.1-forge-47.2.0`)
        }
    },
    uninstall: async ({ manifest, pack_dir, tmp_dir, spinner }) => {
        const minecraftGameFolder = resolveMcPath()

        const profilesFilePath = path.join(minecraftGameFolder, "launcher_profiles.json")

        if (fs.existsSync(profilesFilePath)) {
            let launcherJSON = fs.readFileSync(profilesFilePath, "utf8")

            launcherJSON = JSON.parse(launcherJSON)

            delete launcherJSON.profiles[manifest.id]

            fs.writeFileSync(profilesFilePath, JSON.stringify(launcherJSON, null, 2))
        }
    },
}