import { Page } from '@playwright/test';
import { BasePage } from './BasePage';

export class CertificatePage extends BasePage {
    // Generate Certificates page selectors
    private readonly generateCertificatesTitle = 'h1:has-text("Generate Certificates")';
    private readonly eventSelector = 'select[name="event_id"]';
    private readonly eventSearchInput = 'input[name="event_search"]';
    private readonly selectAllCheckbox = 'input[name="select_all"]';
    private readonly attendeeCheckboxes = 'input[name="attendees[]"]';
    private readonly generateButton = 'button:has-text("Generate Certificates")';
    private readonly previewButton = 'button:has-text("Preview Certificate")';
    private readonly successMessage = '.hvac-success-message';
    private readonly errorMessage = '.hvac-error-message';
    private readonly attendeeList = '.hvac-attendee-list';
    private readonly attendeeItem = '.hvac-attendee-item';
    private readonly checkinStatusAttribute = 'data-checkin-status';
    private readonly loadingIndicator = '.hvac-loading';

    // Certificate Reports page selectors
    private readonly certificateReportsTitle = 'h1:has-text("Certificate Reports")';
    private readonly certificateFilterInput = 'input[name="certificate_search"]';
    private readonly certificateTable = '.hvac-certificate-table';
    private readonly certificateTableRows = '.hvac-certificate-table tbody tr';
    private readonly viewCertificateButton = 'button:has-text("View")';
    private readonly emailCertificateButton = 'button:has-text("Email")';
    private readonly revokeCertificateButton = 'button:has-text("Revoke")';
    private readonly certificatePagination = '.hvac-pagination';
    private readonly certificateModal = '.hvac-certificate-modal';
    private readonly certificatePreview = '.hvac-certificate-preview';
    private readonly closeModalButton = '.hvac-modal-close';
    private readonly confirmRevocationButton = 'button:has-text("Confirm Revocation")';
    private readonly confirmEmailButton = 'button:has-text("Send Email")';

    constructor(page: Page) {
        super(page);
    }

    // Common methods
    async navigateToGenerateCertificates(): Promise<void> {
        const STAGING_URL = 'https://wordpress-974670-5399585.cloudwaysapps.com';
        await this.page.goto(`${STAGING_URL}/generate-certificates/`);
        await this.page.waitForLoadState('networkidle');
        await this.screenshot('generate-certificates-page');
    }

    async navigateToCertificateReports(): Promise<void> {
        const STAGING_URL = 'https://wordpress-974670-5399585.cloudwaysapps.com';
        await this.page.goto(`${STAGING_URL}/certificate-reports/`);
        await this.page.waitForLoadState('networkidle');
        await this.screenshot('certificate-reports-page');
    }

    // Generate Certificates page methods
    async isGenerateCertificatesPageVisible(): Promise<boolean> {
        return await this.isVisible(this.generateCertificatesTitle);
    }

    async selectEvent(eventName: string): Promise<void> {
        // If there's a search input, try using it
        if (await this.isVisible(this.eventSearchInput)) {
            await this.fill(this.eventSearchInput, eventName);
            await this.page.waitForTimeout(500); // Wait for search results
        }
        
        // Select the event from dropdown
        await this.page.selectOption(this.eventSelector, { label: eventName });
        await this.page.waitForTimeout(1000); // Wait for attendee list to load
        
        // Wait for loading indicator to disappear if it's present
        const loadingElement = this.page.locator(this.loadingIndicator);
        if (await loadingElement.isVisible()) {
            await loadingElement.waitFor({ state: 'hidden', timeout: 5000 });
        }
        
        await this.screenshot('event-selected');
    }

    async getAttendeeCount(): Promise<number> {
        return await this.page.locator(this.attendeeItem).count();
    }

    async getCheckedInAttendeeCount(): Promise<number> {
        let checkedInCount = 0;
        const attendees = this.page.locator(this.attendeeItem);
        const count = await attendees.count();
        
        for (let i = 0; i < count; i++) {
            const status = await attendees.nth(i).getAttribute(this.checkinStatusAttribute);
            if (status === 'checked-in') {
                checkedInCount++;
            }
        }
        
        return checkedInCount;
    }

    async selectAllAttendees(): Promise<void> {
        await this.click(this.selectAllCheckbox);
        await this.screenshot('all-attendees-selected');
    }

    async selectCheckedInAttendees(): Promise<void> {
        // Deselect "Select All" if it's checked
        const selectAllChecked = await this.page.isChecked(this.selectAllCheckbox);
        if (selectAllChecked) {
            await this.click(this.selectAllCheckbox);
        }
        
        // Select only checked-in attendees
        const attendees = this.page.locator(this.attendeeItem);
        const count = await attendees.count();
        
        for (let i = 0; i < count; i++) {
            const status = await attendees.nth(i).getAttribute(this.checkinStatusAttribute);
            if (status === 'checked-in') {
                const checkbox = attendees.nth(i).locator('input[type="checkbox"]');
                await checkbox.check();
            }
        }
        
        await this.screenshot('checked-in-attendees-selected');
    }

    async selectNonCheckedInAttendees(): Promise<void> {
        // Deselect "Select All" if it's checked
        const selectAllChecked = await this.page.isChecked(this.selectAllCheckbox);
        if (selectAllChecked) {
            await this.click(this.selectAllCheckbox);
        }
        
        // Select only non-checked-in attendees
        const attendees = this.page.locator(this.attendeeItem);
        const count = await attendees.count();
        
        for (let i = 0; i < count; i++) {
            const status = await attendees.nth(i).getAttribute(this.checkinStatusAttribute);
            if (status !== 'checked-in') {
                const checkbox = attendees.nth(i).locator('input[type="checkbox"]');
                await checkbox.check();
            }
        }
        
        await this.screenshot('non-checked-in-attendees-selected');
    }

    async generateCertificates(): Promise<void> {
        await this.click(this.generateButton);
        
        // Wait for loading indicator to disappear if it's present
        const loadingElement = this.page.locator(this.loadingIndicator);
        if (await loadingElement.isVisible()) {
            await loadingElement.waitFor({ state: 'hidden', timeout: 10000 });
        }
        
        await this.page.waitForTimeout(2000); // Additional wait for any post-processing
        await this.screenshot('certificates-generated');
    }

    async previewCertificate(): Promise<void> {
        await this.click(this.previewButton);
        
        // Wait for the preview modal to appear
        await this.waitForElement(this.certificateModal);
        await this.screenshot('certificate-preview');
    }

    async closePreview(): Promise<void> {
        if (await this.isVisible(this.closeModalButton)) {
            await this.click(this.closeModalButton);
            await this.page.waitForTimeout(500); // Wait for modal to close
        }
    }

    async isSuccessMessageVisible(): Promise<boolean> {
        return await this.isVisible(this.successMessage);
    }

    async isErrorMessageVisible(): Promise<boolean> {
        return await this.isVisible(this.errorMessage);
    }

    async getSuccessMessage(): Promise<string> {
        return await this.getText(this.successMessage);
    }

    async getErrorMessage(): Promise<string> {
        return await this.getText(this.errorMessage);
    }

    // Certificate Reports page methods
    async isCertificateReportsPageVisible(): Promise<boolean> {
        return await this.isVisible(this.certificateReportsTitle);
    }

    async searchCertificates(query: string): Promise<void> {
        await this.fill(this.certificateFilterInput, query);
        await this.page.waitForTimeout(1000); // Wait for search results
        
        // Wait for loading indicator to disappear if it's present
        const loadingElement = this.page.locator(this.loadingIndicator);
        if (await loadingElement.isVisible()) {
            await loadingElement.waitFor({ state: 'hidden', timeout: 5000 });
        }
        
        await this.screenshot('certificate-search');
    }

    async getCertificateCount(): Promise<number> {
        return await this.page.locator(this.certificateTableRows).count();
    }

    async viewCertificate(index: number = 0): Promise<void> {
        const viewButtons = this.page.locator(this.viewCertificateButton);
        await viewButtons.nth(index).click();
        
        // Wait for the preview modal to appear
        await this.waitForElement(this.certificateModal);
        await this.screenshot('view-certificate');
    }

    async emailCertificate(index: number = 0): Promise<void> {
        const emailButtons = this.page.locator(this.emailCertificateButton);
        await emailButtons.nth(index).click();
        
        // Wait for the email confirmation dialog
        if (await this.isVisible(this.confirmEmailButton)) {
            await this.click(this.confirmEmailButton);
            await this.page.waitForTimeout(2000); // Wait for email to be sent
        }
        
        await this.screenshot('email-certificate');
    }

    async revokeCertificate(index: number = 0): Promise<void> {
        const revokeButtons = this.page.locator(this.revokeCertificateButton);
        await revokeButtons.nth(index).click();
        
        // Wait for the revocation confirmation dialog
        if (await this.isVisible(this.confirmRevocationButton)) {
            await this.click(this.confirmRevocationButton);
            await this.page.waitForTimeout(2000); // Wait for revocation to complete
        }
        
        await this.screenshot('revoke-certificate');
    }

    async isPaginationVisible(): Promise<boolean> {
        return await this.isVisible(this.certificatePagination);
    }
}