import { CoreEvents } from '../constants/CoreEvents';
/**
 * CalendarManager - Main coordinator for all calendar managers
 */
export class CalendarManager {
    constructor(eventBus, eventManager, gridManager, eventRenderingService, scrollManager, config) {
        this.currentView = 'week';
        this.currentDate = new Date();
        this.isInitialized = false;
        this.eventBus = eventBus;
        this.eventManager = eventManager;
        this.gridManager = gridManager;
        this.eventRenderer = eventRenderingService;
        this.scrollManager = scrollManager;
        this.config = config;
        this.setupEventListeners();
    }
    /**
     * Initialize calendar system using simple direct calls
     */
    async initialize() {
        if (this.isInitialized) {
            return;
        }
        try {
            // Step 1: Load data
            await this.eventManager.loadData();
            // Step 2: Render grid structure
            await this.gridManager.render();
            this.scrollManager.initialize();
            this.setView(this.currentView);
            this.setCurrentDate(this.currentDate);
            this.isInitialized = true;
            // Emit initialization complete event
            this.eventBus.emit(CoreEvents.INITIALIZED, {
                currentDate: this.currentDate,
                currentView: this.currentView
            });
        }
        catch (error) {
            throw error;
        }
    }
    /**
     * Skift calendar view (dag/uge/måned)
     */
    setView(view) {
        if (this.currentView === view) {
            return;
        }
        const previousView = this.currentView;
        this.currentView = view;
        // Emit view change event
        this.eventBus.emit(CoreEvents.VIEW_CHANGED, {
            previousView,
            currentView: view,
            date: this.currentDate
        });
    }
    /**
     * Sæt aktuel dato
     */
    setCurrentDate(date) {
        const previousDate = this.currentDate;
        this.currentDate = new Date(date);
        // Emit date change event
        this.eventBus.emit(CoreEvents.DATE_CHANGED, {
            previousDate,
            currentDate: this.currentDate,
            view: this.currentView
        });
    }
    /**
     * Setup event listeners for at håndtere events fra andre managers
    */
    setupEventListeners() {
        // Listen for workweek changes only
        this.eventBus.on(CoreEvents.WORKWEEK_CHANGED, (event) => {
            const customEvent = event;
            this.handleWorkweekChange();
        });
    }
    /**
     * Calculate the current period based on view and date
     */
    calculateCurrentPeriod() {
        const current = new Date(this.currentDate);
        switch (this.currentView) {
            case 'day':
                const dayStart = new Date(current);
                dayStart.setHours(0, 0, 0, 0);
                const dayEnd = new Date(current);
                dayEnd.setHours(23, 59, 59, 999);
                return {
                    start: dayStart.toISOString(),
                    end: dayEnd.toISOString()
                };
            case 'week':
                // Find start of week (Monday)
                const weekStart = new Date(current);
                const dayOfWeek = weekStart.getDay();
                const daysToMonday = dayOfWeek === 0 ? 6 : dayOfWeek - 1; // Sunday = 0, so 6 days back to Monday
                weekStart.setDate(weekStart.getDate() - daysToMonday);
                weekStart.setHours(0, 0, 0, 0);
                // Find end of week (Sunday)
                const weekEnd = new Date(weekStart);
                weekEnd.setDate(weekEnd.getDate() + 6);
                weekEnd.setHours(23, 59, 59, 999);
                return {
                    start: weekStart.toISOString(),
                    end: weekEnd.toISOString()
                };
            case 'month':
                const monthStart = new Date(current.getFullYear(), current.getMonth(), 1);
                const monthEnd = new Date(current.getFullYear(), current.getMonth() + 1, 0, 23, 59, 59, 999);
                return {
                    start: monthStart.toISOString(),
                    end: monthEnd.toISOString()
                };
            default:
                // Fallback to week view
                const fallbackStart = new Date(current);
                fallbackStart.setDate(fallbackStart.getDate() - 3);
                fallbackStart.setHours(0, 0, 0, 0);
                const fallbackEnd = new Date(current);
                fallbackEnd.setDate(fallbackEnd.getDate() + 3);
                fallbackEnd.setHours(23, 59, 59, 999);
                return {
                    start: fallbackStart.toISOString(),
                    end: fallbackEnd.toISOString()
                };
        }
    }
    /**
     * Handle workweek configuration changes
     */
    handleWorkweekChange() {
        // Simply relay the event - workweek info is in the WORKWEEK_CHANGED event
        this.eventBus.emit('workweek:header-update', {
            currentDate: this.currentDate,
            currentView: this.currentView
        });
    }
}
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