import { eventBus } from '../core/EventBus';
import { CoreEvents } from '../constants/CoreEvents';
import { ColumnDetectionUtils } from '../utils/ColumnDetectionUtils';
/**
 * HeaderManager - Handles all header-related event logic
 * Separates event handling from rendering concerns
 * Uses dependency injection for renderer strategy
 */
export class HeaderManager {
    constructor(headerRenderer, config) {
        this.headerRenderer = headerRenderer;
        this.config = config;
        // Bind handler methods for event listeners
        this.handleDragMouseEnterHeader = this.handleDragMouseEnterHeader.bind(this);
        this.handleDragMouseLeaveHeader = this.handleDragMouseLeaveHeader.bind(this);
        // Listen for navigation events to update header
        this.setupNavigationListener();
    }
    /**
     * Setup header drag event listeners - Listen to DragDropManager events
     */
    setupHeaderDragListeners() {
        console.log('🎯 HeaderManager: Setting up drag event listeners');
        // Subscribe to drag events from DragDropManager
        eventBus.on('drag:mouseenter-header', this.handleDragMouseEnterHeader);
        eventBus.on('drag:mouseleave-header', this.handleDragMouseLeaveHeader);
        console.log('✅ HeaderManager: Drag event listeners attached');
    }
    /**
     * Handle drag mouse enter header event
     */
    handleDragMouseEnterHeader(event) {
        const { targetColumn: targetDate, mousePosition, originalElement, draggedClone: cloneElement } = event.detail;
        console.log('🎯 HeaderManager: Received drag:mouseenter-header', {
            targetDate,
            originalElement: !!originalElement,
            cloneElement: !!cloneElement
        });
    }
    /**
     * Handle drag mouse leave header event
     */
    handleDragMouseLeaveHeader(event) {
        const { targetDate, mousePosition, originalElement, draggedClone: cloneElement } = event.detail;
        console.log('🚪 HeaderManager: Received drag:mouseleave-header', {
            targetDate,
            originalElement: !!originalElement,
            cloneElement: !!cloneElement
        });
    }
    /**
     * Setup navigation event listener
     */
    setupNavigationListener() {
        eventBus.on(CoreEvents.NAVIGATION_COMPLETED, (event) => {
            const { currentDate } = event.detail;
            this.updateHeader(currentDate);
        });
        // Also listen for date changes (including initial setup)
        eventBus.on(CoreEvents.DATE_CHANGED, (event) => {
            const { currentDate } = event.detail;
            this.updateHeader(currentDate);
        });
        // Listen for workweek header updates after grid rebuild
        //currentDate: this.currentDate,
        //currentView: this.currentView,
        //workweek: this.config.currentWorkWeek
        eventBus.on('workweek:header-update', (event) => {
            const { currentDate } = event.detail;
            this.updateHeader(currentDate);
        });
    }
    /**
     * Update header content for navigation
     */
    updateHeader(currentDate) {
        console.log('🎯 HeaderManager.updateHeader called', {
            currentDate,
            rendererType: this.headerRenderer.constructor.name
        });
        const calendarHeader = document.querySelector('swp-calendar-header');
        if (!calendarHeader) {
            console.warn('❌ HeaderManager: No calendar header found!');
            return;
        }
        // Clear existing content
        calendarHeader.innerHTML = '';
        // Render new header content using injected renderer
        const context = {
            currentWeek: currentDate,
            config: this.config
        };
        this.headerRenderer.render(calendarHeader, context);
        // Setup event listeners on the new content
        this.setupHeaderDragListeners();
        // Notify other managers that header is ready with period data
        const payload = {
            headerElements: ColumnDetectionUtils.getHeaderColumns(),
        };
        eventBus.emit('header:ready', payload);
    }
}
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