# 엔트리포인트 — 스플래시 화면 표시 후 백그라운드 초기화, GUI 실행
import multiprocessing
import sys

from logger import setup_logging, teardown_logging

from PyQt5.QtWidgets import QApplication
from PyQt5.QtGui import QIcon

from utils.path_helper import get_path
from gui.main_window import MainWindow
from gui.splash_screen import SplashScreen, InitWorker

ICON_PATH = get_path("assets", "images", "ant_logo.png")


def _apply_windows_taskbar_icon(app_id: str = "ant.vision.inspection.1.0"):
    if sys.platform != "win32":
        return
    try:
        import ctypes
        ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(app_id)
    except Exception as e:
        print(f"[main] AppUserModelID 설정 실패: {e}")


def main():
    # setup_logging() must be called inside main(), not at module level.
    # On Windows, multiprocessing spawns subprocesses that re-import __main__,
    # and module-level setup_logging() would corrupt the log file and replace
    # builtins.print in every worker process.
    setup_logging()

    _apply_windows_taskbar_icon()

    app = QApplication(sys.argv)
    icon = QIcon(ICON_PATH)
    app.setWindowIcon(icon)
    app.setStyleSheet(_DARK_STYLE)

    splash = SplashScreen()
    splash.show()
    QApplication.processEvents()

    worker = InitWorker()
    worker.progress.connect(splash.update_progress)

    def on_finished(results):
        window = MainWindow(
            results["insight"],
            results["basler"],
            results["config"],
            plc_client=results.get("plc"),
        )
        window.setWindowIcon(icon)
        window.show()
        splash.close()

        def cleanup():
            results["insight"].disconnect()
            results["basler"].disconnect()
            if results["db"].is_connected():
                results["db"].disconnect()
            plc = results.get("plc")
            if plc and plc.is_connected():
                plc.disconnect()

        app.aboutToQuit.connect(cleanup)

    worker.finished.connect(on_finished)
    worker.start()

    try:
        ret = app.exec_()
    finally:

        teardown_logging()

    sys.exit(ret)


_DARK_STYLE = """
QWidget {
    background-color: #1a1a1a;
    color: #ffffff;
    font-size: 14px;
}
QGroupBox {
    background-color: #222222;
    border: 1px solid #444444;
    border-radius: 6px;
    margin-top: 14px;
    padding: 10px 8px 8px 8px;
}
QGroupBox::title {
    subcontrol-origin: margin;
    left: 10px;
    padding: 0 4px;
    color: #aaaaaa;
}
QPushButton {
    background-color: #2e2e2e;
    color: #ffffff;
    border: 1px solid #555555;
    border-radius: 4px;
    min-height: 56px;
    padding: 0 20px;
    font-size: 14px;
}
QPushButton:hover  { background-color: #3a3a3a; }
QPushButton:pressed { background-color: #1e1e1e; }
QPushButton:checked { background-color: #0055cc; border-color: #0077ff; }
QPushButton:disabled { color: #666666; }
QLineEdit, QSpinBox, QDoubleSpinBox {
    background-color: #2a2a2a;
    color: #ffffff;
    border: 1px solid #555555;
    border-radius: 4px;
    padding: 6px 8px;
    min-height: 38px;
}
QLabel { color: #ffffff; }
QListWidget {
    background-color: #222222;
    color: #ffffff;
    border: 1px solid #444444;
    outline: none;
}
QListWidget::item:selected { background-color: #0055cc; }
QProgressBar {
    background-color: #2a2a2a;
    border: 1px solid #555555;
    border-radius: 4px;
    text-align: center;
    min-height: 22px;
}
QProgressBar::chunk { background-color: #0055cc; border-radius: 4px; }
QCheckBox { min-height: 38px; }
QCheckBox::indicator { width: 22px; height: 22px; }
QScrollBar:vertical {
    background: #2a2a2a;
    width: 10px;
    border-radius: 5px;
}
QScrollBar::handle:vertical {
    background: #555555;
    border-radius: 5px;
    min-height: 30px;
}
QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical { height: 0; }
"""


if __name__ == "__main__":
    multiprocessing.freeze_support()
    main()