"""Application-wide Qt palette and stylesheet configuration."""

from __future__ import annotations

from PyQt6.QtGui import QColor, QPalette
from PyQt6.QtWidgets import QApplication, QStyleFactory

PLOT_BACKGROUND = "#0f141c"

_LIGHT_STYLESHEET = """
QGroupBox {
    background-color: #ffffff;
    border: 1px solid #d7dee8;
    border-radius: 6px;
    margin-top: 12px;
    padding: 6px;
}

QGroupBox::title {
    subcontrol-origin: margin;
    left: 10px;
    padding: 0 6px;
    color: #526277;
    font-weight: 600;
}

QPushButton {
    background-color: #f8fafc;
    border: 1px solid #cad4e1;
    border-radius: 4px;
    padding: 3px 10px;
}

QPushButton:hover:enabled {
    background-color: #eef3f9;
}

QPushButton:pressed {
    background-color: #e4ebf4;
}

QPushButton:checked, QPushButton[role="primary"] {
    background-color: #2f7ee6;
    border-color: #2f7ee6;
    color: #ffffff;
}

QPushButton:checked:hover:enabled, QPushButton[role="primary"]:hover:enabled {
    background-color: #3b8bf4;
}

QPushButton[role="destructive"] {
    color: #a73545;
    border-color: #cf9ba4;
}

QPushButton:disabled {
    color: #98a4b3;
    background-color: #f3f5f8;
    border-color: #dde4ec;
}

QTextEdit#runtimeLogBox {
    font-family: "DejaVu Sans Mono";
    font-size: 12px;
}

QScrollArea {
    border: none;
    background: transparent;
}

QLabel#statusLabel {
    color: #35507a;
    font-weight: 600;
}

QLabel#hintLabel {
    color: #6c7b8d;
}
"""


def apply_light_theme(app: QApplication) -> None:
    """Apply a minimal light theme shared by all windows."""
    app.setStyle(QStyleFactory.create("Fusion"))
    font = app.font()
    font.setPointSize(10)
    app.setFont(font)

    palette = QPalette()
    palette.setColor(QPalette.ColorRole.Window, QColor("#f3f6fb"))
    palette.setColor(QPalette.ColorRole.WindowText, QColor("#1f2937"))
    palette.setColor(QPalette.ColorRole.Base, QColor("#ffffff"))
    palette.setColor(QPalette.ColorRole.AlternateBase, QColor("#eef3f8"))
    palette.setColor(QPalette.ColorRole.ToolTipBase, QColor("#ffffff"))
    palette.setColor(QPalette.ColorRole.ToolTipText, QColor("#1f2937"))
    palette.setColor(QPalette.ColorRole.Text, QColor("#1f2937"))
    palette.setColor(QPalette.ColorRole.Button, QColor("#f8fafc"))
    palette.setColor(QPalette.ColorRole.ButtonText, QColor("#1f2937"))
    palette.setColor(QPalette.ColorRole.BrightText, QColor("#ffffff"))
    palette.setColor(QPalette.ColorRole.Link, QColor("#2f7ee6"))
    palette.setColor(QPalette.ColorRole.Highlight, QColor("#2f7ee6"))
    palette.setColor(QPalette.ColorRole.HighlightedText, QColor("#ffffff"))
    for role in (QPalette.ColorRole.Text, QPalette.ColorRole.ButtonText, QPalette.ColorRole.WindowText):
        palette.setColor(QPalette.ColorGroup.Disabled, role, QColor("#98a4b3"))
    palette.setColor(QPalette.ColorGroup.Disabled, QPalette.ColorRole.Base, QColor("#f3f5f8"))
    app.setPalette(palette)
    app.setStyleSheet(_LIGHT_STYLESHEET)