#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
QSS Modern Stylesheet - 现代化UI样式
老王说：样式写好了界面才漂亮，这些都是精心调教过的！
"""

# 浅色主题
LIGHT_THEME = {
    "bg_primary": "#ffffff",
    "bg_secondary": "#fafafa",
    "bg_tertiary": "#f0f0f0",
    "bg_card": "#ffffff",
    "text_primary": "#1a1a1a",
    "text_secondary": "#595959",
    "text_muted": "#8c8c8c",
    "text_placeholder": "#bfbfbf",
    "border": "#e8e8e8",
    "border_light": "#f0f0f0",
    "accent": "#1677ff",
    "accent_hover": "#4096ff",
    "accent_pressed": "#0958d9",
    "accent_bg": "#e6f4ff",
    "success": "#52c41a",
    "success_bg": "#f6ffed",
    "warning": "#faad14",
    "warning_bg": "#fffbe6",
    "error": "#ff4d4f",
    "error_bg": "#fff2f0",
    "sidebar_bg": "#001529",
    "sidebar_text": "#ffffffd9",
    "sidebar_text_muted": "#ffffff73",
    "sidebar_hover": "#1677ff",
    "sidebar_active_bg": "#1677ff",
    "shadow": "rgba(0, 0, 0, 0.08)",
}

# 深色主题
DARK_THEME = {
    "bg_primary": "#141414",
    "bg_secondary": "#1f1f1f",
    "bg_tertiary": "#262626",
    "bg_card": "#1f1f1f",
    "text_primary": "#ffffffd9",
    "text_secondary": "#ffffffa6",
    "text_muted": "#ffffff73",
    "text_placeholder": "#ffffff40",
    "border": "#424242",
    "border_light": "#303030",
    "accent": "#1668dc",
    "accent_hover": "#3c89e8",
    "accent_pressed": "#1554ad",
    "accent_bg": "#111a2c",
    "success": "#49aa19",
    "success_bg": "#162312",
    "warning": "#d89614",
    "warning_bg": "#2b2111",
    "error": "#dc4446",
    "error_bg": "#2c1618",
    "sidebar_bg": "#000000",
    "sidebar_text": "#ffffffd9",
    "sidebar_text_muted": "#ffffff73",
    "sidebar_hover": "#1668dc",
    "sidebar_active_bg": "#1668dc",
    "shadow": "rgba(0, 0, 0, 0.45)",
}


def get_stylesheet(theme: dict) -> str:
    """Generate QSS stylesheet based on theme"""
    return f"""
/* ==================== Global Reset ==================== */
* {{
    outline: none;
}}

QWidget {{
    font-family: "Microsoft YaHei UI", "Segoe UI", "PingFang SC", sans-serif;
    font-size: 14px;
    color: {theme["text_primary"]};
    background-color: transparent;
}}

QMainWindow {{
    background-color: {theme["bg_secondary"]};
}}

/* ==================== Scroll Area ==================== */
QScrollArea {{
    background-color: transparent;
    border: none;
}}

QScrollArea > QWidget > QWidget {{
    background-color: transparent;
}}

/* ==================== Sidebar ==================== */
#sidebar {{
    background-color: {theme["sidebar_bg"]};
    border: none;
}}

#sidebar QPushButton {{
    color: {theme["sidebar_text"]};
    background-color: transparent;
    border: none;
    border-radius: 0;
    padding: 14px 20px;
    text-align: left;
    font-size: 14px;
    font-weight: 500;
}}

#sidebar QPushButton:hover {{
    background-color: rgba(255, 255, 255, 0.08);
}}

#sidebar QPushButton:checked {{
    background-color: {theme["sidebar_active_bg"]};
    color: white;
    font-weight: 600;
}}

#sidebar_title {{
    color: white;
    font-size: 16px;
    font-weight: bold;
    padding: 20px;
    background-color: transparent;
}}

/* ==================== Buttons ==================== */
QPushButton {{
    background-color: {theme["bg_card"]};
    color: {theme["text_primary"]};
    border: 1px solid {theme["border"]};
    border-radius: 6px;
    padding: 8px 16px;
    font-weight: 500;
}}

QPushButton:hover {{
    border-color: {theme["accent"]};
    color: {theme["accent"]};
}}

QPushButton:pressed {{
    background-color: {theme["bg_tertiary"]};
}}

QPushButton:disabled {{
    background-color: {theme["bg_tertiary"]};
    color: {theme["text_muted"]};
    border-color: {theme["border"]};
}}

/* Primary Button */
QPushButton#primary {{
    background-color: {theme["accent"]};
    color: white;
    border: none;
    font-weight: 600;
}}

QPushButton#primary:hover {{
    background-color: {theme["accent_hover"]};
}}

QPushButton#primary:pressed {{
    background-color: {theme["accent_pressed"]};
}}

QPushButton#primary:disabled {{
    background-color: {theme["accent"]};
    opacity: 0.6;
}}

/* Success Button */
QPushButton#success {{
    background-color: {theme["success"]};
    color: white;
    border: none;
}}

QPushButton#success:hover {{
    background-color: #73d13d;
}}

/* Danger Button */
QPushButton#danger {{
    background-color: {theme["error"]};
    color: white;
    border: none;
}}

QPushButton#danger:hover {{
    background-color: #ff7875;
}}

/* ==================== Input Fields ==================== */
QLineEdit {{
    background-color: {theme["bg_card"]};
    color: {theme["text_primary"]};
    border: 1px solid {theme["border"]};
    border-radius: 6px;
    padding: 6px 10px;
    selection-background-color: {theme["accent"]};
    selection-color: white;
}}

QLineEdit:hover {{
    border-color: {theme["accent"]};
}}

QLineEdit:focus {{
    border-color: {theme["accent"]};
    border-width: 2px;
    padding: 5px 9px;
}}

QLineEdit:disabled {{
    background-color: {theme["bg_tertiary"]};
    color: {theme["text_muted"]};
}}

QLineEdit[readOnly="true"] {{
    background-color: {theme["bg_secondary"]};
}}

/* ==================== TextEdit ==================== */
QTextEdit, QPlainTextEdit {{
    background-color: {theme["bg_card"]};
    color: {theme["text_primary"]};
    border: 1px solid {theme["border"]};
    border-radius: 6px;
    padding: 10px 14px;
    selection-background-color: {theme["accent"]};
}}

QTextEdit:focus, QPlainTextEdit:focus {{
    border-color: {theme["accent"]};
}}

/* ==================== ComboBox ==================== */
QComboBox {{
    background-color: {theme["bg_card"]};
    color: {theme["text_primary"]};
    border: 1px solid {theme["border"]};
    border-radius: 6px;
    padding: 6px 10px;
    padding-right: 30px;
}}

QComboBox:hover {{
    border-color: {theme["accent"]};
}}

QComboBox:focus {{
    border-color: {theme["accent"]};
}}

QComboBox::drop-down {{
    border: none;
    width: 30px;
    subcontrol-position: right center;
}}

QComboBox::down-arrow {{
    image: none;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid {theme["text_secondary"]};
    margin-right: 10px;
}}

QComboBox QAbstractItemView {{
    background-color: {theme["bg_card"]};
    border: 1px solid {theme["border"]};
    border-radius: 6px;
    padding: 4px;
    selection-background-color: {theme["accent_bg"]};
    selection-color: {theme["accent"]};
    outline: none;
}}

QComboBox QAbstractItemView::item {{
    padding: 8px 12px;
    border-radius: 4px;
}}

QComboBox QAbstractItemView::item:hover {{
    background-color: {theme["bg_tertiary"]};
}}

/* ==================== SpinBox ==================== */
QSpinBox {{
    background-color: {theme["bg_card"]};
    color: {theme["text_primary"]};
    border: 1px solid {theme["border"]};
    border-radius: 6px;
    padding: 10px 14px;
    padding-right: 30px;
}}

QSpinBox:hover {{
    border-color: {theme["accent"]};
}}

QSpinBox:focus {{
    border-color: {theme["accent"]};
}}

QSpinBox::up-button, QSpinBox::down-button {{
    width: 20px;
    border: none;
    background: transparent;
}}

QSpinBox::up-arrow, QSpinBox::down-arrow {{
    width: 0;
    height: 0;
    border: none;
    background: transparent;
}}

/* ==================== CheckBox ==================== */
QCheckBox {{
    spacing: 10px;
    color: {theme["text_primary"]};
}}

QCheckBox::indicator {{
    width: 18px;
    height: 18px;
    border: 1px solid {theme["border"]};
    border-radius: 4px;
    background-color: {theme["bg_card"]};
}}

QCheckBox::indicator:hover {{
    border-color: {theme["accent"]};
}}

QCheckBox::indicator:checked {{
    background-color: {theme["accent"]};
    border-color: {theme["accent"]};
}}

/* ==================== GroupBox - Card Style ==================== */
QGroupBox {{
    background-color: {theme["bg_card"]};
    border: 1px solid {theme["border"]};
    border-radius: 10px;
    margin-top: 14px;
    padding: 24px 0 0 0;
}}

QGroupBox::title {{
    subcontrol-origin: margin;
    subcontrol-position: top left;
    left: 16px;
    top: 0px;
    padding: 4px 12px;
    background-color: {theme["accent"]};
    color: white;
    border-radius: 4px;
    font-weight: 600;
    font-size: 13px;
}}

/* ==================== Table ==================== */
QTableWidget {{
    background-color: {theme["bg_card"]};
    border: 1px solid {theme["border"]};
    border-radius: 8px;
    gridline-color: {theme["border_light"]};
    selection-background-color: {theme["accent_bg"]};
    selection-color: {theme["text_primary"]};
}}

QTableWidget::item {{
    padding: 8px 4px;
    border: none;
}}

QTableWidget::item:selected {{
    background-color: {theme["accent_bg"]};
    color: {theme["accent"]};
}}

QTableWidget::item:hover {{
    background-color: {theme["bg_secondary"]};
}}

QHeaderView::section {{
    background-color: {theme["bg_secondary"]};
    color: {theme["text_secondary"]};
    padding: 12px 8px;
    border: none;
    border-bottom: 1px solid {theme["border"]};
    font-weight: 600;
    font-size: 13px;
}}

QHeaderView::section:first {{
    border-top-left-radius: 8px;
}}

QHeaderView::section:last {{
    border-top-right-radius: 8px;
}}

QTableCornerButton::section {{
    background-color: {theme["bg_secondary"]};
    border: none;
}}

/* ==================== List ==================== */
QListWidget {{
    background-color: {theme["bg_card"]};
    border: 1px solid {theme["border"]};
    border-radius: 8px;
    padding: 4px;
    outline: none;
}}

QListWidget::item {{
    padding: 12px 14px;
    border-radius: 6px;
    margin: 2px 0;
}}

QListWidget::item:selected {{
    background-color: {theme["accent_bg"]};
    color: {theme["accent"]};
}}

QListWidget::item:hover:!selected {{
    background-color: {theme["bg_secondary"]};
}}

/* ==================== Progress Bar ==================== */
QProgressBar {{
    background-color: {theme["bg_tertiary"]};
    border: none;
    border-radius: 4px;
    height: 8px;
    text-align: center;
}}

QProgressBar::chunk {{
    background-color: {theme["accent"]};
    border-radius: 4px;
}}

/* ==================== ScrollBar ==================== */
QScrollBar:vertical {{
    background-color: transparent;
    width: 8px;
    margin: 4px 2px;
}}

QScrollBar::handle:vertical {{
    background-color: {theme["border"]};
    border-radius: 4px;
    min-height: 40px;
}}

QScrollBar::handle:vertical:hover {{
    background-color: {theme["text_muted"]};
}}

QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical {{
    height: 0;
    background: none;
}}

QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical {{
    background: none;
}}

QScrollBar:horizontal {{
    background-color: transparent;
    height: 8px;
    margin: 2px 4px;
}}

QScrollBar::handle:horizontal {{
    background-color: {theme["border"]};
    border-radius: 4px;
    min-width: 40px;
}}

QScrollBar::handle:horizontal:hover {{
    background-color: {theme["text_muted"]};
}}

QScrollBar::add-line:horizontal, QScrollBar::sub-line:horizontal {{
    width: 0;
    background: none;
}}

/* ==================== Tab Widget ==================== */
QTabWidget::pane {{
    border: 1px solid {theme["border"]};
    border-radius: 8px;
    background-color: {theme["bg_card"]};
    padding: 8px;
}}

QTabBar::tab {{
    background-color: transparent;
    color: {theme["text_secondary"]};
    padding: 10px 20px;
    margin-right: 4px;
    border-bottom: 2px solid transparent;
}}

QTabBar::tab:selected {{
    color: {theme["accent"]};
    border-bottom: 2px solid {theme["accent"]};
}}

QTabBar::tab:hover:!selected {{
    color: {theme["text_primary"]};
}}

/* ==================== ToolTip ==================== */
QToolTip {{
    background-color: {theme["bg_tertiary"]};
    color: {theme["text_primary"]};
    border: 1px solid {theme["border"]};
    border-radius: 6px;
    padding: 8px 12px;
}}

/* ==================== Message Box ==================== */
QMessageBox {{
    background-color: {theme["bg_card"]};
}}

QMessageBox QLabel {{
    color: {theme["text_primary"]};
    font-size: 14px;
}}

QMessageBox QPushButton {{
    min-width: 80px;
    min-height: 32px;
}}

/* ==================== Dialog ==================== */
QDialog {{
    background-color: {theme["bg_card"]};
}}

/* ==================== Label ==================== */
QLabel {{
    color: {theme["text_primary"]};
    background-color: transparent;
}}

QLabel#title {{
    font-size: 20px;
    font-weight: 600;
    color: {theme["text_primary"]};
}}

QLabel#subtitle {{
    font-size: 14px;
    color: {theme["text_secondary"]};
}}

QLabel#help {{
    font-size: 13px;
    color: {theme["text_muted"]};
}}

/* ==================== Frame ==================== */
QFrame {{
    background-color: transparent;
}}

QFrame#card {{
    background-color: {theme["bg_card"]};
    border: 1px solid {theme["border"]};
    border-radius: 10px;
}}

QFrame#separator {{
    background-color: {theme["border"]};
    max-height: 1px;
}}

/* ==================== Log Widget ==================== */
#log_widget {{
    background-color: {theme["bg_secondary"]};
    border-top: 1px solid {theme["border"]};
}}

#log_widget QPlainTextEdit {{
    background-color: {theme["bg_secondary"]};
    border: none;
    color: {theme["text_secondary"]};
    font-family: "Cascadia Code", "Consolas", "Monaco", monospace;
    font-size: 12px;
    padding: 8px;
}}

/* ==================== Status Colors ==================== */
.success {{
    color: {theme["success"]};
}}

.warning {{
    color: {theme["warning"]};
}}

.error {{
    color: {theme["error"]};
}}

/* ==================== Form Label ==================== */
QLabel#formLabel {{
    color: {theme["text_secondary"]};
    font-weight: 500;
}}
"""


def apply_theme(app, theme_name: str = "light"):
    """Apply theme to application"""
    theme = LIGHT_THEME if theme_name == "light" else DARK_THEME
    app.setStyleSheet(get_stylesheet(theme))