#!/usr/bin/env python3
"""
RAG Assistant — GUI desktop.

Uso:
    python gui/main.py
    python gui/main.py --collection matematica
"""
import argparse
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent.parent))

from PySide6.QtWidgets import QApplication
from PySide6.QtGui     import QPalette, QColor
from gui.chat_window   import ChatWindow


def main() -> None:
    parser = argparse.ArgumentParser(description="RAG Assistant GUI")
    parser.add_argument("--collection", default="", help="Collection ChromaDB da aprire")
    args = parser.parse_args()

    app = QApplication(sys.argv)
    app.setApplicationName("RAG Assistant")
    app.setStyle("Fusion")

    # Palette scura per i widget nativi Qt
    palette = QPalette()
    palette.setColor(QPalette.ColorRole.Window,          QColor("#212121"))
    palette.setColor(QPalette.ColorRole.WindowText,      QColor("#ececec"))
    palette.setColor(QPalette.ColorRole.Base,            QColor("#2a2a2a"))
    palette.setColor(QPalette.ColorRole.AlternateBase,   QColor("#1a1a1a"))
    palette.setColor(QPalette.ColorRole.Text,            QColor("#ececec"))
    palette.setColor(QPalette.ColorRole.Button,          QColor("#2a2a2a"))
    palette.setColor(QPalette.ColorRole.ButtonText,      QColor("#ececec"))
    palette.setColor(QPalette.ColorRole.Highlight,       QColor("#10a37f"))
    palette.setColor(QPalette.ColorRole.HighlightedText, QColor("#ffffff"))
    app.setPalette(palette)

    window = ChatWindow(default_collection=args.collection)
    window.show()
    sys.exit(app.exec())


if __name__ == "__main__":
    main()