import json
import mimetypes
from pathlib import Path
from shutil import rmtree
from subprocess import CREATE_NO_WINDOW, PIPE, STDOUT, Popen

import requests
import webview

from log import logger
import shutil
import os

mimetypes.add_type("text/html", ".html")
mimetypes.add_type("text/css", ".css")
mimetypes.add_type("application/javascript", ".js")

version = "v0.2"

config = {
    "page": "init",
    "branch": "slow",
    "mirror": "aliyun",
}
config_path = Path("launcher.json")

get_new_version_url = (
    "https://git.zhaozuohong.vip/api/v1/repos/mower-ng/launcher/releases/latest"
)

upgrade_script_name = "upgrade.bat"

try:
    with config_path.open("r") as f:
        user_config = json.load(f)
        config.update(user_config)
except Exception:
    pass


def custom_event(data):
    data = json.dumps({"log": data})
    js = f"var event = new CustomEvent('log', {{detail: {data}}}); window.dispatchEvent(event);"
    window.evaluate_js(js)


mirror_list = {
    "pypi": "https://pypi.org/simple",
    "aliyun": "https://mirrors.aliyun.com/pypi/simple/",
    "tuna": "https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple",
    "sjtu": "https://mirror.sjtu.edu.cn/pypi/web/simple",
}

command_list = {
    "lfs": "git\\bin\\git lfs install",
    "ensurepip": "python\\python -m ensurepip --default-pip",
    "clone": "git\\bin\\git clone https://git.zhaozuohong.vip/mower-ng/mower-ng.git --branch slow",
    "fetch": lambda: f"..\\git\\bin\\git fetch origin {config['branch']}",
    "switch": lambda: f"..\\git\\bin\\git switch -f {config['branch']}",
    "reset": lambda: f"..\\git\\bin\\git reset --hard origin/{config['branch']}",
    "pip_install": lambda: f"..\\python\\Scripts\\pip install --no-cache-dir -i {mirror_list[config['mirror']]} -r requirements.txt --no-warn-script-location",
    "webview": "start ..\\python\\pythonw webview_ui.py",
    "manager": "start ..\\python\\pythonw manager.py",
}


class Api:
    def get_branch(self):
        return config["branch"]

    def set_branch(self, branch):
        config["branch"] = branch

    def get_page(self):
        return config["page"]

    def set_page(self, page):
        config["page"] = page

    def get_mirror(self):
        return config["mirror"]

    def set_mirror(self, mirror):
        config["mirror"] = mirror

    def get_version(self):
        return version

    def get_new_version(self):
        logger.info("获取最新版本号")
        response = requests.get(get_new_version_url)
        return response.json()

    # 更新启动器本身
    def update_self(self, download_url):
        # 下载压缩包的全路径
        download_path = os.path.join(os.getcwd(), os.path.basename(download_url))
        logger.info(f"下载新版本: {download_url}到{download_path}")
        response = requests.get(download_url, stream=True)
        if response.status_code == 200:
            with open(download_path, "wb") as file:
                shutil.copyfileobj(response.raw, file)
                logger.info("下载完成")
        else:
            logger.error(f"下载新版本失败: {response.status_code}")
            return f"下载新版本失败: {response.status_code}"

        script_path = os.path.join(os.getcwd(), upgrade_script_name)
        folder_path = os.path.join(os.getcwd(), "_internal")
        exe_path = os.path.join(os.getcwd(), "launcher.exe")
        with open(script_path, "w") as b:
            TempList = f"@echo off\n"
            TempList += f"timeout /t 3 /nobreak\n"  # 等待进程退出
            TempList += f"rmdir {folder_path}\n"  # 删除_internal
            TempList += f"del {exe_path}\n"  # 删除exe
            TempList += f"tar -xf {download_path} -C ..\n"  # 解压压缩包
            TempList += f"timeout /t 1 /nobreak\n"  # 等待解压
            TempList += f"start {exe_path}\n"  # 启动新程序
            TempList += f"del {download_path}\n"  # 删除压缩包
            TempList += f"exit"
            b.write(TempList)
        # 不显示cmd窗口
        Popen([script_path], creationflags=CREATE_NO_WINDOW)
        os._exit(0)

    def rm_site_packages(self):
        site_packages_path = Path("./python/Lib/site-packages")
        if site_packages_path.exists():
            rmtree(site_packages_path)
            return "site-packages目录移除成功"
        return "python\\Lib\\site-packages目录不存在"

    def rm_python_scripts(self):
        python_scripts_path = Path("./python/Scripts")
        if python_scripts_path.exists():
            rmtree(python_scripts_path)
            return "Scripts目录移除成功"
        return "python\\Scripts目录不存在"

    def run(self, command, cwd=None):
        command = command_list[command]
        if callable(command):
            command = command()
        custom_event(command + "\n")
        try:
            with Popen(
                command, stdout=PIPE, stderr=STDOUT, shell=True, cwd=cwd, bufsize=0
            ) as p:
                for data in p.stdout:
                    try:
                        text = data.decode("utf-8")
                    except Exception:
                        text = data.decode("gbk")
                    custom_event(text)
            if p.returncode == 0:
                return "success"
        except Exception as e:
            custom_event(str(e))
        return "failed"


# 如果当前路径存在更新脚本，则删除
if Path(upgrade_script_name).exists():
    os.remove(upgrade_script_name)

window = webview.create_window(
    f"mower-ng launcher {version}", "ui/dist/index.html", js_api=Api()
)
# window = webview.create_window(f"mower-ng launcher {version}", "http://localhost:5173/", js_api=Api())
webview.start()

with config_path.open("w") as f:
    json.dump(config, f)