# -*- coding: utf-8 -*-
"""同一张管理页，用几个宽度各截一张，看窄屏到底哪里出问题。"""
from __future__ import annotations

import http.cookiejar
import json
import os
import shutil
import subprocess
import sys
import tempfile
import time
import urllib.error
import urllib.parse
import urllib.request
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
UA = {"User-Agent": "LanRemote/1.4.0"}
PORT = 8113
BASE = f"http://127.0.0.1:{PORT}"

EDGE = next((p for p in (
    Path(r"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"),
    Path(r"C:\Program Files\Microsoft\Edge\Application\msedge.exe"))
    if p.is_file()), None)


def main() -> int:
    work = Path(tempfile.mkdtemp(prefix="admin_multi_"))
    relay = None
    try:
        data = work / "d"
        data.mkdir(parents=True, exist_ok=True)
        env = dict(os.environ)
        env.update({"RELAY_PORT": str(PORT), "RELAY_BIND": "127.0.0.1",
                    "RELAY_DATA": str(data),
                    "PYTHONIOENCODING": "utf-8", "PYTHONUNBUFFERED": "1"})
        relay = subprocess.Popen(
            [sys.executable, "-u", str(ROOT / "relay" / "relay.py")], env=env,
            stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        for _ in range(40):
            time.sleep(0.5)
            try:
                urllib.request.urlopen(urllib.request.Request(
                    BASE + "/v1/health", headers=UA), timeout=2)
                break
            except Exception:                             # noqa: BLE001
                continue

        for index, (name, code) in enumerate(
                [("书房台式机", "482913"), ("笔记本", "771204")], start=1):
            body = json.dumps({"deviceId": f"pc-{index}", "code": code,
                               "name": name, "version": "1.4.0"}).encode()
            urllib.request.urlopen(urllib.request.Request(
                BASE + "/v1/agent/register", data=body, method="POST",
                headers={**UA, "Content-Type": "application/json"}),
                timeout=10).read()

        jar = http.cookiejar.CookieJar()
        opener = urllib.request.build_opener(
            urllib.request.HTTPCookieProcessor(jar))
        form = urllib.parse.urlencode({"password": "120830"}).encode()
        req = urllib.request.Request(BASE + "/admin/login", data=form,
                                     method="POST", headers=UA)
        req.add_header("Content-Type", "application/x-www-form-urlencoded")
        try:
            opener.open(req, timeout=15).read()
        except urllib.error.HTTPError:
            pass

        html = opener.open(urllib.request.Request(BASE + "/", headers=UA),
                           timeout=15).read().decode("utf-8")
        page = work / "p.html"
        page.write_text(html, encoding="utf-8")

        out_dir = ROOT / "_build"
        for width in (420, 560, 700):
            shot = out_dir / f"admin_w{width}.png"
            subprocess.run(
                [str(EDGE), "--headless=new", "--disable-gpu",
                 "--hide-scrollbars", f"--window-size={width},1500",
                 f"--screenshot={shot}", page.as_uri()],
                capture_output=True, timeout=90)
            print(f"  {width}px -> {shot.name} "
                  f"{'ok' if shot.is_file() else '失败'}")
        return 0
    finally:
        if relay is not None:
            try:
                relay.terminate()
                relay.wait(timeout=8)
            except Exception:                             # noqa: BLE001
                try:
                    relay.kill()
                except Exception:                     # noqa: BLE001
                    pass
        time.sleep(0.5)
        shutil.rmtree(work, ignore_errors=True)


if __name__ == "__main__":
    sys.exit(main())