import { test, expect } from '@playwright/test';
import * as fs from 'fs';

function loadFixture(name: string): string {
    return fs.readFileSync(`tests/Fixtures/ccli/${name}`, 'utf-8');
}

test.describe('CCLI Paste Import - SongDB', () => {
    test('SongDB page shows CCLI import buttons', async ({ page }) => {
        await page.goto('/songs');
        await page.waitForLoadState('networkidle');

        await expect(page.getByTestId('open-ccli-paste-dialog-button-songdb')).toBeVisible();
    });

    test('SongSelect search button opens new tab with prefilled URL', async ({ page }) => {
        await page.goto('/songs');
        await page.waitForLoadState('networkidle');

        // Fill search input
        await page.getByTestId('song-list-search-input').fill('amazing grace');
        await page.waitForTimeout(300);

        // Click SongSelect search button
        const [popup] = await Promise.all([
            page.waitForEvent('popup'),
            page.getByTestId('songselect-search-button-songdb').click(),
        ]);

        await popup.waitForLoadState('domcontentloaded');
        expect(popup.url()).toContain('songselect.ccli.com');
        expect(popup.url()).toContain('amazing');
        await popup.close();
    });

    test('opens CCLI paste dialog from SongDB', async ({ page }) => {
        await page.goto('/songs');
        await page.waitForLoadState('networkidle');

        await page.getByTestId('open-ccli-paste-dialog-button-songdb').click();
        await expect(page.getByTestId('ccli-paste-textarea')).toBeVisible();
        await expect(page.getByTestId('ccli-preview-button')).toBeDisabled();
    });

    test('preview button disabled when textarea empty', async ({ page }) => {
        await page.goto('/songs');
        await page.waitForLoadState('networkidle');

        await page.getByTestId('open-ccli-paste-dialog-button-songdb').click();
        await expect(page.getByTestId('ccli-preview-button')).toBeDisabled();
    });

    test('paste fixture and preview shows metadata', async ({ page }) => {
        await page.goto('/songs');
        await page.waitForLoadState('networkidle');

        await page.getByTestId('open-ccli-paste-dialog-button-songdb').click();

        const content = loadFixture('english-only-multi-verse.txt');
        await page.getByTestId('ccli-paste-textarea').fill(content);
        await expect(page.getByTestId('ccli-preview-button')).toBeEnabled();

        await page.getByTestId('ccli-preview-button').click();
        await page.waitForTimeout(3000);

        const errorMsg = page.getByTestId('ccli-error-message');
        const hasError = await errorMsg.isVisible().catch(() => false);
        if (hasError) {
            test.skip();
            return;
        }

        await expect(page.locator('text=CCLI-Nr')).toBeVisible({ timeout: 5000 });
    });

    test('duplicate import shows error with edit link', async ({ page }) => {
        const content = loadFixture('english-only-multi-verse.txt');

        await page.goto('/songs');
        await page.waitForLoadState('networkidle');
        const cookies = await page.context().cookies();
        const xsrf = cookies.find(c => c.name === 'XSRF-TOKEN')?.value ?? '';

        const importRes = await page.request.post('/api/songs/import-from-ccli-paste', {
            headers: {
                'Content-Type': 'application/json',
                'X-XSRF-TOKEN': decodeURIComponent(xsrf),
            },
            data: { raw_text: content, mode: 'create' },
        });
        if (importRes.status() !== 201) {
            test.skip();
            return;
        }

        // Now try to import again via UI
        await page.goto('/songs');
        await page.waitForLoadState('networkidle');
        await page.getByTestId('open-ccli-paste-dialog-button-songdb').click();
        await page.getByTestId('ccli-paste-textarea').fill(content);
        await page.getByTestId('ccli-preview-button').click();
        await page.waitForTimeout(2000);

        // Click import
        const importBtn = page.getByTestId('ccli-import-stay-button');
        if (await importBtn.isVisible()) {
            await importBtn.click();
            await page.waitForTimeout(2000);
            await expect(page.getByTestId('ccli-error-message')).toBeVisible();
            await expect(page.getByTestId('ccli-existing-song-link')).toBeVisible();
        }
    });
});