import json
from pathlib import Path
from subprocess import PIPE, STDOUT, Popen

import webview

config_path = Path("launcher.json")

try:
    with config_path.open("r") as f:
        config = json.load(f)
except Exception:
    config = {
        "page": "init",
        "branch": "slow",
    }


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)


command_list = {
    "lfs": "git\\bin\\git lfs install",
    "ensurepip": "python\\python -m ensurepip --default-pip --no-warn-script-location",
    "clone": "git\\bin\\git clone https://git.zhaozuohong.vip/mower-ng/mower-ng.git --branch slow",
    "fetch": "..\\git\\bin\\git fetch",
    "switch_fast": "..\\git\\bin\\git switch -f fast",
    "switch_slow": "..\\git\\bin\\git switch -f slow",
    "reset_fast": "..\\git\\bin\\git reset --hard origin/fast",
    "reset_slow": "..\\git\\bin\\git reset --hard origin/slow",
    "pip_install": "..\\python\\Scripts\\pip install -i https://mirror.sjtu.edu.cn/pypi/web/simple -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 run(self, command, cwd=None):
        command = command_list[command]
        custom_event(command + "\n")
        with Popen(
            command,
            stdout=PIPE,
            stderr=STDOUT,
            shell=True,
            bufsize=1,
            text=True,
            cwd=cwd,
        ) as p:
            for line in p.stdout:
                custom_event(line)


window = webview.create_window("mower-ng launcher", "dist/index.html", js_api=Api())
webview.start()

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