# -*- coding: utf-8 -*-
r'''把产品展示区块接进官网，并把截图传上去。'''
from __future__ import annotations

import ast
import sys
from pathlib import Path

ROOT = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote")
LANDING = ROOT / "relay" / "landing.py"
RELAY = ROOT / "relay" / "relay.py"
sys.path.insert(0, str(ROOT / "_build"))

from devssh import run, upload          # noqa: E402


def wire_landing() -> None:
    text = LANDING.read_text(encoding="utf-8")

    if "showcase" in text:
        print("  landing.py 已经接过 showcase")
        return

    # 1) 引入
    text = text.replace(
        "from urllib.parse import quote",
        "from urllib.parse import quote\n\n"
        "import showcase", 1)

    # 2) CSS 拼进去
    marker = '""" % {"BG": BG, "SURFACE": SURFACE, "BORDER": BORDER, "TEXT": TEXT,'
    if marker in text:
        text = text.replace(
            marker,
            '""" + showcase.SHOWCASE_CSS % {"BG": BG, "SURFACE": SURFACE,\n'
            '       "BORDER": BORDER, "TEXT": TEXT,', 1)
        print("  CSS 已拼接")
    else:
        print("  [警告] CSS 锚点没找到，跳过")

    # 3) HTML 区块插到"下载"之前
    anchor = '<section id="download">'
    if anchor in text:
        text = text.replace(
            anchor,
            '%(showcase)s\n\n' + anchor, 1)
        # 4) 渲染参数里加上
        text = text.replace(
            '        "dls": _download_cards(files),',
            '        "showcase": showcase.render_showcase(),\n'
            '        "dls": _download_cards(files),', 1)
        print("  HTML 区块已插入")
    else:
        print("  [警告] download 区块锚点没找到")

    LANDING.write_text(text, encoding="utf-8", newline="\n")
    try:
        ast.parse(text)
        print("  landing.py 语法 OK")
    except SyntaxError as exc:
        print("  [失败] 语法错误 行 %s: %s" % (exc.lineno, exc.msg))
        lines = text.splitlines()
        for i in range(max(0, (exc.lineno or 1) - 3),
                       min(len(lines), (exc.lineno or 1) + 2)):
            print("      %d: %s" % (i + 1, lines[i][:92]))


def wire_relay_route() -> None:
    """加一条 /shot/<name> 路由，把截图发出去（白名单后缀）。"""
    text = RELAY.read_text(encoding="utf-8")
    if "/shot/" in text:
        print("  relay.py 已经有 /shot/ 路由")
        return

    # 找下载路由附近插入
    anchor = 'if path.startswith("/download/"):'
    if anchor not in text:
        print("  [警告] 找不到 /download/ 路由锚点，手工看下")
        return

    block = '''        # 官网用的产品截图。
        # 单独一条路由（不放进下载区），只允许 png/jpg/webp。
        if path.startswith("/shot/"):
            name = path[len("/shot/"):]
            if (not name or ".." in name or "/" in name or "\\\\" in name
                    or not name.lower().endswith((".png", ".jpg", ".jpeg",
                                                  ".webp"))):
                self._json(404, {"ok": False, "error": "没有这张图"})
                return
            target = Path(__file__).resolve().parent / "site_shots" / name
            if not target.is_file():
                self._json(404, {"ok": False, "error": "没有这张图"})
                return
            body = target.read_bytes()
            ctype = ("image/png" if name.lower().endswith(".png")
                     else "image/jpeg")
            self.send_response(200)
            self.send_header("Content-Type", ctype)
            self.send_header("Content-Length", str(len(body)))
            self.send_header("Cache-Control", "public, max-age=86400")
            self.end_headers()
            self.wfile.write(body)
            return

'''
    text = text.replace("        " + anchor, block + "        " + anchor, 1)
    RELAY.write_text(text, encoding="utf-8", newline="\n")
    try:
        ast.parse(text)
        print("  relay.py 语法 OK")
    except SyntaxError as exc:
        print("  [失败] relay.py 语法错误 行 %s: %s" % (exc.lineno, exc.msg))


def deploy() -> None:
    print()
    print("  部署")
    run("mkdir -p /root/lanremote-relay/site_shots", timeout=60)
    upload(str(ROOT / "_build" / "site_shots" / "pc-main.png"),
           "/root/lanremote-relay/site_shots/pc-main.png", 0o644)
    print("    截图已上传")
    upload(str(LANDING), "/root/lanremote-relay/landing.py", 0o644)
    upload(str(ROOT / "relay" / "showcase.py"),
           "/root/lanremote-relay/showcase.py", 0o644)
    upload(str(RELAY), "/root/lanremote-relay/relay.py", 0o755)
    print("    代码已上传")
    run("systemctl restart lanremote-relay", timeout=90)
    out = run("sleep 6; curl -s -o /dev/null -w 'HTTP %{http_code} %{size_download}\\n' "
              "http://127.0.0.1:8080/; "
              "curl -s -o /dev/null -w '截图 HTTP %{http_code} %{size_download}\\n' "
              "http://127.0.0.1:8080/shot/pc-main.png", timeout=120)[1]
    print("    " + out.replace("\n", "\n    "))


def main() -> int:
    wire_landing()
    wire_relay_route()
    deploy()
    return 0


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