import { describe, it, afterEach, expect, $, click, pressKey, sleep, closeAll, csrf } from './runner.js';

describe('Image Fullscreen Viewer', () => {
    afterEach(async () => {
        // Close fullscreen if open
        document.querySelector('.detail-image-fs-overlay')?.remove();
        await closeAll();
    });

    it('fullscreen overlay has required elements when opened', async () => {
        // Create card with image reference
        const res = await fetch('api/cards', {
            method: 'POST', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': csrf() },
            body: JSON.stringify({ title: '__test_img_fs__', body: '![test](uploads/nonexist.jpg)', color: '#38bdf8' }),
        }).then(r => r.json());
        await window._reloadAll?.();
        await sleep(200);

        // Ensure non-split mode
        if (!$('#board-preview')?.classList.contains('hidden')) {
            click('#board-split-toggle');
            await sleep(100);
        }

        // Open detail
        const cardEl = document.querySelector(`[data-id="${res.id}"]`);
        if (!cardEl) return;
        click(cardEl);
        await sleep(300);

        // Check that images in detail would get fullscreen handler
        // The overlay is created lazily, verify the create function structure
        const { bindDetailImageFullscreen } = await import('../modules/detail.js');
        expect(typeof bindDetailImageFullscreen).toBe('function');
    });

    it('overlay structure is correct when created', () => {
        // Manually create to test structure
        const overlay = document.createElement('div');
        overlay.className = 'detail-image-fs-overlay';
        overlay.innerHTML = `
            <button class="detail-image-fs-close"></button>
            <button class="detail-image-fs-prev"></button>
            <button class="detail-image-fs-next"></button>
            <div class="detail-image-fs-counter"></div>
            <div class="detail-image-fs-stage"><img class="detail-image-fs-img" alt=""></div>
        `;
        expect(overlay.querySelector('.detail-image-fs-close')).toExist();
        expect(overlay.querySelector('.detail-image-fs-prev')).toExist();
        expect(overlay.querySelector('.detail-image-fs-next')).toExist();
        expect(overlay.querySelector('.detail-image-fs-img')).toExist();
    });
});