import os
import subprocess
import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parent
VENV_ROOT = PROJECT_ROOT / ".venv"
VENV_DIR = VENV_ROOT / "Scripts"
VENV_PYTHON = VENV_DIR / "python.exe"
VENV_PYTHONW = VENV_DIR / "pythonw.exe"


def _resolve(path):
    try:
        return Path(path).resolve()
    except Exception:
        return None


def _running_in_project_venv():
    current_prefix = _resolve(sys.prefix)
    if current_prefix == _resolve(VENV_ROOT):
        return True
    current_executable = _resolve(sys.executable)
    allowed_targets = {_resolve(VENV_PYTHON), _resolve(VENV_PYTHONW)}
    return current_executable in allowed_targets


def _pick_reexec_python():
    current_name = Path(sys.executable).name.lower()
    if current_name == "pythonw.exe" and VENV_PYTHONW.exists():
        return VENV_PYTHONW
    if VENV_PYTHON.exists():
        return VENV_PYTHON
    if VENV_PYTHONW.exists():
        return VENV_PYTHONW
    raise RuntimeError(f"未找到项目 .venv 解释器: {VENV_PYTHON}")


def ensure_project_venv():
    if _running_in_project_venv():
        return
    if os.environ.get("OPENCLAW_PROJECT_VENV_REEXEC") == "1":
        raise RuntimeError("重启后仍未进入项目 .venv，请检查 .venv 是否损坏或系统 Python 安装是否异常")
    env = os.environ.copy()
    env["OPENCLAW_PROJECT_VENV_REEXEC"] = "1"
    target_python = _pick_reexec_python()
    subprocess.Popen([str(target_python), str(PROJECT_ROOT / "main.py")], cwd=str(PROJECT_ROOT), env=env)
    raise SystemExit(0)


ensure_project_venv()

from PySide6.QtWidgets import QApplication

from app.presentation.main_window import MainWindow


if __name__ == "__main__":
    app = QApplication(sys.argv)
    w = MainWindow()
    sys.exit(app.exec())