"""
Panel Header Widget

Reusable header component for panels with title and optional status indicator.
"""

from PyQt5.QtWidgets import QWidget, QHBoxLayout, QLabel
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QFont


class PanelHeader(QWidget):
    """
    Header widget for panels with colored background and status indicator.
    
    Args:
        title: Header title text
        color: Background color hex code
        show_status: Whether to show status indicator
        status: Status type ('online', 'offline', 'processing')
    """
    
    def __init__(self, title: str, color: str = "#34495e", 
                 show_status: bool = False, status: str = "offline", parent=None):
        super().__init__(parent)
        self.status_indicator = None
        self.init_ui(title, color, show_status, status)
        
    def init_ui(self, title: str, color: str, show_status: bool, status: str):
        """Initialize the header UI."""
        self.setFixedHeight(25)
        self.setStyleSheet(f"""
            QWidget {{
                background-color: {color};
                border-top-left-radius: 5px;
                border-top-right-radius: 5px;
            }}
        """)
        
        layout = QHBoxLayout(self)
        layout.setContentsMargins(10, 0, 10, 0)
        layout.setSpacing(5)
        
        # Title label
        title_label = QLabel(title)
        title_label.setFont(QFont("Arial", 10, QFont.Bold))
        title_label.setStyleSheet("color: white;")
        layout.addWidget(title_label)
        
        layout.addStretch()
        
        # Status indicator
        if show_status:
            self.status_indicator = QLabel("●")
            self.status_indicator.setFont(QFont("Arial", 12))
            self.set_status(status)
            layout.addWidget(self.status_indicator)
            
    def set_status(self, status: str):
        """
        Update the status indicator.
        
        Args:
            status: Status type ('online', 'offline', 'processing')
        """
        if self.status_indicator:
            status_colors = {
                "online": "#27ae60",
                "offline": "#e74c3c",
                "processing": "#f39c12"
            }
            color = status_colors.get(status, "#95a5a6")
            self.status_indicator.setStyleSheet(f"color: {color};")