// noqa: js-006 - async init pattern is safe, loadData has try/catch
// static/admin/js/content-pages.js

// Use centralized logger
const contentPagesLog = window.LogConfig.loggers.contentPages || window.LogConfig.createLogger('contentPages');

// ============================================
// CONTENT PAGES MANAGER FUNCTION
// ============================================
function contentPagesManager() {
    return {
        // Inherit base layout functionality from init-alpine.js
        ...data(),

        // Page identifier for sidebar active state
        currentPage: 'content-pages',

        // Content pages specific state
        allPages: [],
        platforms: [],
        loading: false,
        error: null,

        // Tabs and filters
        activeTab: 'all',  // all, platform_marketing, vendor_defaults, vendor_overrides
        searchQuery: '',
        selectedPlatform: '',  // Platform code filter

        // Initialize
        async init() {
            contentPagesLog.info('=== CONTENT PAGES MANAGER INITIALIZING ===');

            // Prevent multiple initializations
            if (window._contentPagesInitialized) {
                contentPagesLog.warn('Content pages manager already initialized, skipping...');
                return;
            }
            window._contentPagesInitialized = true;

            contentPagesLog.group('Loading data');
            await Promise.all([
                this.loadPages(),
                this.loadPlatforms()
            ]);
            contentPagesLog.groupEnd();

            // Check for platform filter in URL (support both 'platform' and 'platform_code')
            const urlParams = new URLSearchParams(window.location.search);
            const platformParam = urlParams.get('platform_code') || urlParams.get('platform');
            if (platformParam) {
                this.selectedPlatform = platformParam;
            }

            // Check for slug param - if specified, redirect to edit page
            const slugParam = urlParams.get('slug');
            if (slugParam && platformParam) {
                await this.redirectToEditIfSlugMatches(platformParam, slugParam);
            }

            contentPagesLog.info('=== CONTENT PAGES MANAGER INITIALIZATION COMPLETE ===');
        },

        // Computed: Platform Marketing pages (is_platform_page=true, vendor_id=null)
        get platformMarketingPages() {
            return this.allPages.filter(page => page.is_platform_page && !page.vendor_id);
        },

        // Computed: Vendor Default pages (is_platform_page=false, vendor_id=null)
        get vendorDefaultPages() {
            return this.allPages.filter(page => !page.is_platform_page && !page.vendor_id);
        },

        // Computed: Vendor Override pages (vendor_id is set)
        get vendorOverridePages() {
            return this.allPages.filter(page => page.vendor_id);
        },

        // Legacy computed (for backward compatibility)
        get platformPages() {
            return [...this.platformMarketingPages, ...this.vendorDefaultPages];
        },

        get vendorPages() {
            return this.vendorOverridePages;
        },

        // Computed: Filtered pages based on active tab, platform, and search
        get filteredPages() {
            let pages = [];

            // Filter by tab (three-tier system)
            if (this.activeTab === 'platform_marketing') {
                pages = this.platformMarketingPages;
            } else if (this.activeTab === 'vendor_defaults') {
                pages = this.vendorDefaultPages;
            } else if (this.activeTab === 'vendor_overrides') {
                pages = this.vendorOverridePages;
            } else {
                pages = this.allPages;
            }

            // Filter by selected platform
            if (this.selectedPlatform) {
                pages = pages.filter(page =>
                    page.platform_code === this.selectedPlatform
                );
            }

            // Filter by search query
            if (this.searchQuery) {
                const query = this.searchQuery.toLowerCase();
                pages = pages.filter(page =>
                    page.title.toLowerCase().includes(query) ||
                    page.slug.toLowerCase().includes(query) ||
                    (page.vendor_name && page.vendor_name.toLowerCase().includes(query)) ||
                    (page.platform_name && page.platform_name.toLowerCase().includes(query))
                );
            }

            // Sort by display_order, then title
            return pages.sort((a, b) => {
                if (a.display_order !== b.display_order) {
                    return a.display_order - b.display_order;
                }
                return a.title.localeCompare(b.title);
            });
        },

        // Load all content pages
        async loadPages() {
            this.loading = true;
            this.error = null;

            try {
                contentPagesLog.info('Fetching all content pages...');

                // Fetch all pages (platform + vendor, published + unpublished)
                const response = await apiClient.get('/admin/content-pages/?include_unpublished=true');

                contentPagesLog.debug('API Response:', response);

                if (!response) {
                    throw new Error('Invalid API response');
                }

                // Handle response - API returns array directly
                this.allPages = Array.isArray(response) ? response : (response.data || response.items || []);
                contentPagesLog.info(`Loaded ${this.allPages.length} pages`);

            } catch (err) {
                contentPagesLog.error('Error loading content pages:', err);
                this.error = err.message || 'Failed to load content pages';
            } finally {
                this.loading = false;
            }
        },

        // Load platforms for filter dropdown
        async loadPlatforms() {
            try {
                contentPagesLog.info('Fetching platforms...');
                const response = await apiClient.get('/admin/platforms');
                this.platforms = response.platforms || [];
                contentPagesLog.info(`Loaded ${this.platforms.length} platforms`);
            } catch (err) {
                contentPagesLog.error('Error loading platforms:', err);
                // Non-critical - don't set error state
            }
        },

        // Redirect to edit page if a specific slug is requested
        async redirectToEditIfSlugMatches(platformCode, slug) {
            contentPagesLog.info(`Looking for page with platform=${platformCode}, slug=${slug}`);

            // Find the page matching the platform and slug
            const matchingPage = this.allPages.find(page =>
                page.platform_code === platformCode && page.slug === slug
            );

            if (matchingPage) {
                contentPagesLog.info(`Found matching page: ${matchingPage.id}, redirecting to edit...`);
                window.location.href = `/admin/content-pages/${matchingPage.id}/edit`;
            } else {
                contentPagesLog.warn(`No page found for platform=${platformCode}, slug=${slug}`);
                // Show a toast and offer to create
                if (slug === 'home') {
                    // Offer to create homepage
                    if (confirm(`No homepage found for ${platformCode}. Would you like to create one?`)) {
                        window.location.href = `/admin/content-pages/create?platform_code=${platformCode}&slug=home&is_platform_page=true`;
                    }
                }
            }
        },

        // Get page tier label (three-tier system)
        getPageTierLabel(page) {
            if (page.vendor_id) {
                return 'Vendor Override';
            } else if (page.is_platform_page) {
                return 'Platform Marketing';
            } else {
                return 'Vendor Default';
            }
        },

        // Get page tier CSS class (three-tier system)
        getPageTierClass(page) {
            if (page.vendor_id) {
                // Vendor Override - purple
                return 'bg-purple-100 text-purple-800 dark:bg-purple-900 dark:text-purple-200';
            } else if (page.is_platform_page) {
                // Platform Marketing - blue
                return 'bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200';
            } else {
                // Vendor Default - teal
                return 'bg-teal-100 text-teal-800 dark:bg-teal-900 dark:text-teal-200';
            }
        },

        // Delete a page
        async deletePage(page) {
            if (!confirm(`Are you sure you want to delete "${page.title}"?`)) {
                return;
            }

            try {
                contentPagesLog.info(`Deleting page: ${page.id}`);

                await apiClient.delete(`/admin/content-pages/${page.id}`);

                // Remove from local array
                this.allPages = this.allPages.filter(p => p.id !== page.id);

                contentPagesLog.info('Page deleted successfully');

            } catch (err) {
                contentPagesLog.error('Error deleting page:', err);
                Utils.showToast(`Failed to delete page: ${err.message}`, 'error');
            }
        },

        // Format date helper
        formatDate(dateString) {
            if (!dateString) return '—';

            const date = new Date(dateString);
            const now = new Date();
            const diffMs = now - date;
            const diffDays = Math.floor(diffMs / (1000 * 60 * 60 * 24));

            if (diffDays === 0) {
                return 'Today';
            } else if (diffDays === 1) {
                return 'Yesterday';
            } else if (diffDays < 7) {
                return `${diffDays} days ago`;
            } else {
                return date.toLocaleDateString('en-US', {
                    year: 'numeric',
                    month: 'short',
                    day: 'numeric'
                });
            }
        }
    };
}