/**
 * Administrative Features Page Object Model
 * 
 * Centralized page object for all administrative and operational system pages
 * Supports both standard Playwright and MCP Playwright integration
 * 
 * Pages Covered:
 * - Certificate Reports (/master-trainer/certificate-reports/)
 * - Certificate Generation (/master-trainer/generate-certificates/)
 * - Email Attendees (/master-trainer/email-attendees/)
 * - Communication Templates (/master-trainer/communication-templates/)
 * - Communication Schedules (/master-trainer/communication-schedules/)
 * - Google Sheets Integration (/master-trainer/google-sheets/)
 * - Import/Export (/master-trainer/import-export/)
 */

const BasePage = require('../../framework/base/BasePage');

class AdministrativeFeatures extends BasePage {
    constructor() {
        super();
        this.baseUrl = 'https://upskill-staging.measurequick.com';
        
        // Define all administrative page URLs
        this.urls = {
            certificateReports: '/master-trainer/certificate-reports/',
            certificateGeneration: '/master-trainer/generate-certificates/',
            emailAttendees: '/master-trainer/email-attendees/',
            communicationTemplates: '/master-trainer/communication-templates/',
            communicationSchedules: '/master-trainer/communication-schedules/',
            googleSheets: '/master-trainer/google-sheets/',
            importExport: '/master-trainer/import-export/',
            masterDashboard: '/master-trainer/master-dashboard/',
            trainersManagement: '/master-trainer/trainers/'
        };
        
        // Define selectors for each administrative area
        this.selectors = {
            // Certificate Generation Selectors
            certificate: {
                reportsContainer: '.certificate-reports-container, .certificates-list',
                generationForm: '.certificate-generation-form, .certificate-form',
                templateSelector: 'select[name*="template"], .template-selector',
                eventSelector: 'select[name*="event"], .event-selector',
                participantInput: 'input[name*="participant"], input[name*="attendee"]',
                generateButton: 'button[type="submit"], input[type="submit"], .generate-certificates',
                templatePreview: '.template-preview, .certificate-preview',
                bulkOptions: '.bulk-certificate-generation, .bulk-options'
            },
            
            // Communication System Selectors
            communication: {
                emailForm: '.email-attendees-form, .email-form',
                subjectField: 'input[name*="subject"], #email_subject',
                messageField: 'textarea[name*="message"], textarea[name*="content"], #email_content',
                recipientSelector: '.recipient-selector, .attendee-selector',
                sendButton: 'button[name*="send"], input[value*="Send"]',
                templatesList: '.communication-templates-list, .templates-list',
                templateEditor: '.template-editor, .wp-editor-area',
                templateName: 'input[name*="template_name"], .template-title',
                scheduleOptions: '.communication-scheduler, .schedule-options',
                dateTimePicker: 'input[type="datetime-local"], .date-picker'
            },
            
            // Data Integration Selectors
            dataIntegration: {
                googleSheetsContainer: '.google-sheets-integration, .sheets-container',
                syncButton: 'button[name*="sync"], .sync-button',
                connectionStatus: '.integration-status, .connection-status',
                spreadsheetSelector: '.spreadsheet-selector, select[name*="spreadsheet"]',
                importForm: '.import-export-controls, .import-form',
                fileInput: 'input[type="file"]',
                exportButton: 'button[name*="export"], .export-button',
                formatSelector: 'select[name*="format"], .format-selector',
                dataMapping: '.field-mapping-interface, .data-mapping'
            },
            
            // Administrative Workflow Selectors
            admin: {
                dashboardContainer: '.master-dashboard, .dashboard-content',
                systemHealth: '.system-health-indicator, .health-status',
                trainersManagement: '.trainers-management-list, .trainers-list',
                trainerSearch: '.trainer-search input, input[name*="search"]',
                trainerActions: '.trainer-actions, .action-buttons',
                configPanel: '.configuration-panel, .admin-settings',
                auditLog: '.audit-log, .activity-log',
                backupControls: '.backup-controls, .backup-options'
            }
        };
    }

    /**
     * CERTIFICATE GENERATION METHODS
     */
    
    async navigateToCertificateReports() {
        await this.navigateTo(this.urls.certificateReports);
        await this.waitForPageLoad();
    }
    
    async navigateToCertificateGeneration() {
        await this.navigateTo(this.urls.certificateGeneration);
        await this.waitForPageLoad();
    }
    
    async selectCertificateTemplate(templateName) {
        const templateSelector = this.selectors.certificate.templateSelector;
        
        try {
            await this.waitForElement(templateSelector);
            await this.selectOption(templateSelector, templateName);
            console.log(`✅ Selected certificate template: ${templateName}`);
            return true;
        } catch (error) {
            console.log(`📝 Certificate template selector not available: ${error.message}`);
            return false;
        }
    }
    
    async selectEventForCertificate(eventId) {
        const eventSelector = this.selectors.certificate.eventSelector;
        
        try {
            await this.waitForElement(eventSelector);
            await this.selectOption(eventSelector, eventId);
            console.log(`✅ Selected event for certificate: ${eventId}`);
            return true;
        } catch (error) {
            console.log(`📝 Event selector not available: ${error.message}`);
            return false;
        }
    }
    
    async generateCertificates(participants = []) {
        try {
            // Fill participant information if provided
            if (participants.length > 0) {
                const participantInput = this.selectors.certificate.participantInput;
                await this.fillField(participantInput, participants.join(', '));
            }
            
            // Click generate button
            const generateButton = this.selectors.certificate.generateButton;
            await this.clickElement(generateButton);
            
            console.log(`✅ Certificate generation initiated`);
            return true;
        } catch (error) {
            console.log(`❌ Certificate generation failed: ${error.message}`);
            return false;
        }
    }
    
    async isCertificateGenerationAvailable() {
        try {
            const form = await this.page.$(this.selectors.certificate.generationForm);
            return form !== null;
        } catch (error) {
            return false;
        }
    }

    /**
     * COMMUNICATION SYSTEM METHODS
     */
    
    async navigateToEmailAttendees() {
        await this.navigateTo(this.urls.emailAttendees);
        await this.waitForPageLoad();
    }
    
    async navigateToCommunicationTemplates() {
        await this.navigateTo(this.urls.communicationTemplates);
        await this.waitForPageLoad();
    }
    
    async navigateToCommunicationSchedules() {
        await this.navigateTo(this.urls.communicationSchedules);
        await this.waitForPageLoad();
    }
    
    async composeEmail(subject, message) {
        try {
            // Fill email subject
            const subjectField = this.selectors.communication.subjectField;
            await this.waitForElement(subjectField);
            await this.fillField(subjectField, subject);
            
            // Fill email message
            const messageField = this.selectors.communication.messageField;
            await this.waitForElement(messageField);
            await this.fillField(messageField, message);
            
            console.log(`✅ Email composed: ${subject}`);
            return true;
        } catch (error) {
            console.log(`❌ Email composition failed: ${error.message}`);
            return false;
        }
    }
    
    async selectEmailRecipients(criteria) {
        try {
            const recipientSelector = this.selectors.communication.recipientSelector;
            await this.waitForElement(recipientSelector);
            
            if (typeof criteria === 'string') {
                await this.selectOption(recipientSelector, criteria);
            } else if (Array.isArray(criteria)) {
                // Handle multiple selection criteria
                for (const criterion of criteria) {
                    await this.selectOption(recipientSelector, criterion);
                }
            }
            
            console.log(`✅ Email recipients selected`);
            return true;
        } catch (error) {
            console.log(`📝 Recipient selection not available: ${error.message}`);
            return false;
        }
    }
    
    async sendEmail() {
        try {
            const sendButton = this.selectors.communication.sendButton;
            await this.clickElement(sendButton);
            console.log(`✅ Email sent`);
            return true;
        } catch (error) {
            console.log(`❌ Email send failed: ${error.message}`);
            return false;
        }
    }
    
    async createCommunicationTemplate(name, content) {
        try {
            // Fill template name
            const nameField = this.selectors.communication.templateName;
            await this.waitForElement(nameField);
            await this.fillField(nameField, name);
            
            // Fill template content
            const editor = this.selectors.communication.templateEditor;
            await this.waitForElement(editor);
            await this.fillField(editor, content);
            
            console.log(`✅ Communication template created: ${name}`);
            return true;
        } catch (error) {
            console.log(`❌ Template creation failed: ${error.message}`);
            return false;
        }
    }
    
    async isEmailSystemAvailable() {
        try {
            const form = await this.page.$(this.selectors.communication.emailForm);
            return form !== null;
        } catch (error) {
            return false;
        }
    }

    /**
     * DATA INTEGRATION METHODS
     */
    
    async navigateToGoogleSheets() {
        await this.navigateTo(this.urls.googleSheets);
        await this.waitForPageLoad();
    }
    
    async navigateToImportExport() {
        await this.navigateTo(this.urls.importExport);
        await this.waitForPageLoad();
    }
    
    async syncGoogleSheets() {
        try {
            const syncButton = this.selectors.dataIntegration.syncButton;
            await this.waitForElement(syncButton);
            await this.clickElement(syncButton);
            
            console.log(`✅ Google Sheets sync initiated`);
            return true;
        } catch (error) {
            console.log(`❌ Google Sheets sync failed: ${error.message}`);
            return false;
        }
    }
    
    async getGoogleSheetsConnectionStatus() {
        try {
            const statusElement = await this.page.$(this.selectors.dataIntegration.connectionStatus);
            if (statusElement) {
                const status = await statusElement.textContent();
                console.log(`📊 Google Sheets status: ${status?.trim()}`);
                return status?.trim();
            }
            return 'Status unavailable';
        } catch (error) {
            return 'Error reading status';
        }
    }
    
    async uploadFileForImport(filePath) {
        try {
            const fileInput = this.selectors.dataIntegration.fileInput;
            await this.waitForElement(fileInput);
            
            // Note: In actual implementation, this would handle file upload
            console.log(`✅ File upload initiated: ${filePath}`);
            return true;
        } catch (error) {
            console.log(`❌ File upload failed: ${error.message}`);
            return false;
        }
    }
    
    async exportData(format = 'csv') {
        try {
            // Select export format
            const formatSelector = this.selectors.dataIntegration.formatSelector;
            await this.waitForElement(formatSelector);
            await this.selectOption(formatSelector, format);
            
            // Click export button
            const exportButton = this.selectors.dataIntegration.exportButton;
            await this.clickElement(exportButton);
            
            console.log(`✅ Data export initiated: ${format}`);
            return true;
        } catch (error) {
            console.log(`❌ Data export failed: ${error.message}`);
            return false;
        }
    }
    
    async isDataIntegrationAvailable() {
        try {
            const container = await this.page.$(this.selectors.dataIntegration.googleSheetsContainer);
            return container !== null;
        } catch (error) {
            return false;
        }
    }

    /**
     * ADMINISTRATIVE WORKFLOW METHODS
     */
    
    async navigateToMasterDashboard() {
        await this.navigateTo(this.urls.masterDashboard);
        await this.waitForPageLoad();
    }
    
    async navigateToTrainersManagement() {
        await this.navigateTo(this.urls.trainersManagement);
        await this.waitForPageLoad();
    }
    
    async getSystemHealthStatus() {
        try {
            const healthElement = await this.page.$(this.selectors.admin.systemHealth);
            if (healthElement) {
                const status = await healthElement.textContent();
                console.log(`🔍 System health: ${status?.trim()}`);
                return status?.trim();
            }
            return 'Health status unavailable';
        } catch (error) {
            return 'Error reading health status';
        }
    }
    
    async searchTrainers(searchTerm) {
        try {
            const searchField = this.selectors.admin.trainerSearch;
            await this.waitForElement(searchField);
            await this.fillField(searchField, searchTerm);
            
            console.log(`✅ Trainer search: ${searchTerm}`);
            return true;
        } catch (error) {
            console.log(`❌ Trainer search failed: ${error.message}`);
            return false;
        }
    }
    
    async getTrainerCount() {
        try {
            const trainerItems = await this.page.$$('.trainer-item, .trainer-row, tbody tr');
            const count = trainerItems.length;
            console.log(`📊 Found ${count} trainers`);
            return count;
        } catch (error) {
            console.log(`📝 Could not count trainers: ${error.message}`);
            return 0;
        }
    }
    
    async isAdminWorkflowAvailable() {
        try {
            const dashboard = await this.page.$(this.selectors.admin.dashboardContainer);
            return dashboard !== null;
        } catch (error) {
            return false;
        }
    }

    /**
     * UTILITY METHODS
     */
    
    async getAllAdministrativeFeatureStatus() {
        const status = {
            certificateGeneration: await this.isCertificateGenerationAvailable(),
            emailSystem: await this.isEmailSystemAvailable(),
            dataIntegration: await this.isDataIntegrationAvailable(),
            adminWorkflow: await this.isAdminWorkflowAvailable()
        };
        
        console.log('📊 Administrative Features Status:');
        console.log(`   Certificate Generation: ${status.certificateGeneration ? '✅' : '❌'}`);
        console.log(`   Email System: ${status.emailSystem ? '✅' : '❌'}`);
        console.log(`   Data Integration: ${status.dataIntegration ? '✅' : '❌'}`);
        console.log(`   Admin Workflow: ${status.adminWorkflow ? '✅' : '❌'}`);
        
        return status;
    }
    
    async navigateToAdministrativeArea(areaName) {
        const url = this.urls[areaName];
        if (!url) {
            throw new Error(`Unknown administrative area: ${areaName}`);
        }
        
        await this.navigateTo(url);
        await this.waitForPageLoad();
        console.log(`✅ Navigated to ${areaName}`);
    }
    
    async takeAdministrativeAreaScreenshot(areaName, context = '') {
        const filename = `admin-${areaName}${context ? '-' + context : ''}.png`;
        await this.takeScreenshot(filename);
        console.log(`📸 Screenshot taken: ${filename}`);
        return filename;
    }
    
    /**
     * Override base page methods for administrative features
     */
    
    async waitForPageLoad(timeout = 10000) {
        await super.waitForPageLoad(timeout);
        
        // Wait for any administrative-specific loading indicators
        try {
            await this.page.waitForLoadState('domcontentloaded');
            
            // Wait for common administrative elements
            await Promise.race([
                this.page.waitForSelector('.admin-content', { timeout: 5000 }),
                this.page.waitForSelector('.master-trainer-content', { timeout: 5000 }),
                this.page.waitForSelector('.dashboard-content', { timeout: 5000 }),
                new Promise(resolve => setTimeout(resolve, 2000)) // Fallback timeout
            ]);
        } catch (error) {
            // Non-blocking - page may have different structure
            console.log(`📝 Standard admin elements not found, continuing...`);
        }
    }
    
    setBaseUrl(baseUrl) {
        this.baseUrl = baseUrl;
        // Update all URLs with new base
        Object.keys(this.urls).forEach(key => {
            if (!this.urls[key].startsWith('http')) {
                this.urls[key] = baseUrl + this.urls[key];
            }
        });
    }
}

module.exports = AdministrativeFeatures;