"""
Styles Module

Centralized stylesheet definitions for the application.
"""

from utils.config import UI_COLORS


# ==================== COLOR CONSTANTS ====================

# Export COLORS dictionary for tab modules
COLORS = {
    # Primary colors
    'primary': '#3498db',
    'primary_dark': '#2c3e50',
    'primary_light': '#34495e',
    
    # Status colors
    'success': '#27ae60',
    'warning': '#f39c12',
    'error': '#e74c3c',
    'info': '#3498db',
    
    # Background colors
    'bg_light': '#f8f9fa',
    'bg_white': '#ffffff',
    'bg_dark': '#2c3e50',
    'card_bg': '#ffffff',
    
    # Text colors
    'text_primary': '#2c3e50',
    'text_secondary': '#7f8c8d',
    'text_light': '#bdc3c7',
    
    # Border colors
    'border': '#ddd',
    'border_light': '#ecf0f1',
    
    # Phase 8: Classification colors
    'ripeness_unripe': '#95a5a6',
    'ripeness_midripe': '#f39c12',
    'ripeness_ripe': '#27ae60',
    'ripeness_overripe': '#e74c3c',
    
    # Phase 8: Panel header colors
    'panel_rgb': '#3498db',
    'panel_multispectral': '#8e44ad',
    'panel_audio': '#16a085',
    'panel_results': '#27ae60',
    'panel_control': '#34495e',
    
    # Phase 8: Status indicators
    'status_online': '#27ae60',
    'status_offline': '#e74c3c',
    'status_processing': '#f39c12',
}

# Export STYLES dictionary for common button styles
STYLES = {
    'button_primary': f"""
        QPushButton {{
            background-color: {COLORS['primary']};
            border: 2px solid {COLORS['primary']};
            border-radius: 8px;
            color: white;
            font-weight: bold;
            font-size: 14px;
            padding: 10px 20px;
        }}
        QPushButton:hover {{
            background-color: #2980b9;
        }}
        QPushButton:pressed {{
            background-color: #2471a3;
        }}
        QPushButton:disabled {{
            background-color: {COLORS['text_secondary']};
            border-color: {COLORS['text_secondary']};
        }}
    """,
    'button_success': f"""
        QPushButton {{
            background-color: {COLORS['success']};
            border: 2px solid {COLORS['success']};
            border-radius: 8px;
            color: white;
            font-weight: bold;
            font-size: 14px;
            padding: 10px 20px;
        }}
        QPushButton:hover {{
            background-color: #229954;
        }}
        QPushButton:pressed {{
            background-color: #1e8449;
        }}
    """,
}


# ==================== MAIN WINDOW STYLES ====================

MAIN_WINDOW_STYLE = f"""
QMainWindow {{
    background-color: {UI_COLORS['bg_light']};
}}
"""


# ==================== GROUP BOX STYLES ====================

GROUP_BOX_STYLE = f"""
QGroupBox {{
    font-weight: bold;
    font-size: 16px;
    border: 2px solid #ddd;
    border-radius: 5px;
    margin-top: 10px;
    padding-top: 10px;
    background-color: {UI_COLORS['bg_white']};
}}
QGroupBox::title {{
    subcontrol-origin: margin;
    left: 10px;
    padding: 0 10px 0 10px;
    color: {UI_COLORS['text_dark']};
    background-color: {UI_COLORS['bg_panel']};
}}
"""


# ==================== BUTTON STYLES ====================

def get_button_style(
    bg_color: str,
    hover_color: str,
    pressed_color: str = None,
    border_color: str = None,
    text_color: str = "white"
) -> str:
    """
    Generate a button stylesheet with the given colors.
    
    Args:
        bg_color: Background color
        hover_color: Hover state color
        pressed_color: Pressed state color (defaults to hover_color)
        border_color: Border color (defaults to hover_color)
        text_color: Text color (defaults to white)
    
    Returns:
        str: Complete button stylesheet
    """
    if pressed_color is None:
        pressed_color = hover_color
    if border_color is None:
        border_color = hover_color
    
    return f"""
    QPushButton {{
        background-color: {bg_color};
        border: 2px solid {border_color};
        border-radius: 8px;
        color: {text_color};
        font-weight: bold;
        font-size: 16px;
        padding: 15px;
    }}
    QPushButton:hover {{
        background-color: {hover_color};
    }}
    QPushButton:pressed {{
        background-color: {pressed_color};
    }}
    """


RIPENESS_BUTTON_STYLE = get_button_style(
    UI_COLORS['btn_green'],
    UI_COLORS['btn_green_hover'],
    "#1e8449"
)

QUALITY_BUTTON_STYLE = get_button_style(
    UI_COLORS['btn_blue'],
    UI_COLORS['btn_blue_hover'],
    "#2471a3"
)

CALIBRATION_BUTTON_STYLE = get_button_style(
    UI_COLORS['btn_orange'],
    UI_COLORS['btn_orange_hover'],
    "#d68910"
)

BATCH_BUTTON_STYLE = get_button_style(
    UI_COLORS['btn_purple'],
    UI_COLORS['btn_purple_hover'],
    "#7d3c98"
)

LOCULE_BUTTON_STYLE = get_button_style(
    "#16a085",  # Teal
    "#138d75",  # Darker teal
    "#117864"   # Even darker teal
)

EMERGENCY_BUTTON_STYLE = f"""
QPushButton {{
    background-color: {UI_COLORS['btn_red']};
    border: 2px solid {UI_COLORS['btn_red_hover']};
    border-radius: 15px;
    color: white;
    font-weight: bold;
    font-size: 14px;
}}
QPushButton:hover {{
    background-color: {UI_COLORS['btn_red_hover']};
}}
"""

STANDARD_BUTTON_STYLE = f"""
QPushButton {{
    background-color: {UI_COLORS['primary_light']};
    border: 1px solid {UI_COLORS['primary_dark']};
    border-radius: 4px;
    color: white;
    padding: 10px;
    font-size: 16px;
}}
QPushButton:hover {{
    background-color: {UI_COLORS['primary_dark']};
}}
"""


# ==================== TABLE STYLES ====================

TABLE_STYLE = f"""
QTableWidget {{
    gridline-color: #ddd;
    background-color: {UI_COLORS['bg_white']};
    alternate-background-color: {UI_COLORS['bg_light']};
    font-size: 16px;
}}
QHeaderView::section {{
    background-color: {UI_COLORS['bg_light']};
    padding: 8px;
    border: 1px solid #ddd;
    font-weight: bold;
    font-size: 16px;
}}
"""


# ==================== TAB WIDGET STYLES ====================

TAB_WIDGET_STYLE = f"""
QTabWidget::pane {{
    border: 1px solid {UI_COLORS['primary_light']};
    background-color: {UI_COLORS['bg_white']};
}}
QTabBar::tab {{
    background-color: {UI_COLORS['primary_light']};
    color: {UI_COLORS['bg_panel']};
    padding: 12px 16px;
    margin-right: 2px;
    font-size: 14px;
    font-weight: bold;
    min-width: 120px;
    max-width: 180px;
}}
QTabBar::tab:selected {{
    background-color: {UI_COLORS['accent_blue']};
    color: white;
}}
QTabBar::tab:hover {{
    background-color: {UI_COLORS['accent_blue']};
    opacity: 0.8;
}}
QTabBar::left-button, QTabBar::right-button {{
    background-color: {UI_COLORS['primary_light']};
    border: none;
}}
"""


# ==================== HEADER STYLES ====================

HEADER_STYLE = f"""
QFrame {{
    background-color: {UI_COLORS['primary_dark']};
}}
QLabel {{
    color: white;
}}
"""

HEADER_ICON_BUTTON_STYLE = f"""
QPushButton {{
    background-color: transparent;
    border: 2px solid transparent;
    border-radius: 8px;
    color: white;
    font-size: 20px;
    padding: 8px 12px;
    min-width: 45px;
    min-height: 45px;
}}
QPushButton:hover {{
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
}}
QPushButton:pressed {{
    background-color: rgba(255, 255, 255, 0.2);
}}
"""


# ==================== STATUS BAR STYLES ====================

STATUS_BAR_STYLE = f"""
QFrame {{
    background-color: {UI_COLORS['primary_light']};
}}
QLabel {{
    color: {UI_COLORS['bg_panel']};
    font-size: 16px;
}}
"""


# ==================== LABEL STYLES ====================

def get_label_style(
    color: str = None,
    font_size: int = 16,
    font_weight: str = "normal",
    background: str = None
) -> str:
    """
    Generate a label stylesheet.
    
    Args:
        color: Text color
        font_size: Font size in pixels
        font_weight: Font weight (normal, bold)
        background: Background color
    
    Returns:
        str: Label stylesheet
    """
    styles = []
    
    if color:
        styles.append(f"color: {color};")
    if font_size:
        styles.append(f"font-size: {font_size}px;")
    if font_weight:
        styles.append(f"font-weight: {font_weight};")
    if background:
        styles.append(f"background-color: {background};")
    
    return " ".join(styles)


HEADER_LABEL_STYLE = get_label_style(
    color=UI_COLORS['text_dark'],
    font_size=16,
    font_weight="bold"
)

INFO_LABEL_STYLE = get_label_style(
    color=UI_COLORS['text_medium'],
    font_size=16
)

STATUS_LABEL_STYLE = get_label_style(
    color=UI_COLORS['text_dark'],
    font_size=16
)


# ==================== FEED/DISPLAY STYLES ====================

def get_feed_style(bg_color: str, border_color: str) -> str:
    """
    Generate a camera feed display stylesheet.
    
    Args:
        bg_color: Background color
        border_color: Border color
    
    Returns:
        str: Feed display stylesheet
    """
    return f"""
    background-color: {bg_color};
    border: 1px solid {border_color};
    color: white;
    font-size: 16px;
    """


RGB_FEED_STYLE = get_feed_style(UI_COLORS['primary_dark'], UI_COLORS['primary_light'])
MS_FEED_STYLE = get_feed_style(UI_COLORS['btn_purple'], "#9b59b6")
THERMAL_FEED_STYLE = get_feed_style(UI_COLORS['text_medium'], "#95a5a6")
AUDIO_FEED_STYLE = get_feed_style("#16a085", "#1abc9c")


# ==================== APPLICATION STYLE ====================

APPLICATION_STYLE = """
QApplication {
    font-family: Arial, sans-serif;
}
"""


# ==================== LOADING OVERLAY STYLE ====================

LOADING_STYLE = """
background-color: rgba(255, 255, 255, 0%);
"""


# ==================== UTILITY FUNCTIONS ====================

def get_status_indicator_style(status: str) -> str:
    """
    Get the stylesheet for a status indicator.
    
    Args:
        status: Status type ('online', 'offline', 'updating')
    
    Returns:
        str: Stylesheet for the status indicator
    """
    status_colors = {
        "online": UI_COLORS['online'],
        "offline": UI_COLORS['offline'],
        "updating": UI_COLORS['updating'],
    }
    
    color = status_colors.get(status, UI_COLORS['text_medium'])
    
    return f"background-color: {color}; border-radius: 6px;"


def get_grade_color(grade: str) -> str:
    """
    Get the color for a quality grade.
    
    Args:
        grade: Grade letter ('A', 'B', 'C', etc.)
    
    Returns:
        str: Color hex code
    """
    # Handle None or empty grades
    if not grade:
        return UI_COLORS['text_dark']
    
    grade_colors = {
        "A": UI_COLORS['grade_a'],
        "B": UI_COLORS['grade_b'],
        "C": UI_COLORS['grade_c'],
    }
    
    return grade_colors.get(str(grade).upper(), UI_COLORS['text_dark'])


def get_ripeness_color(ripeness: str) -> str:
    """
    Get the color for a ripeness classification.
    
    Args:
        ripeness: Ripeness type ('Ripe', 'Overripe', 'Unripe')
    
    Returns:
        str: Color hex code
    """
    ripeness_colors = {
        "Ripe": UI_COLORS['online'],
        "Overripe": UI_COLORS['updating'],
        "Unripe": UI_COLORS['text_medium'],
    }
    
    return ripeness_colors.get(ripeness, UI_COLORS['text_dark'])