import { describe, it, afterEach, expect, $, $$, click, sleep, closeAll, csrf } from './runner.js?v=4';

describe('Board Rendering', () => {
    it('renders card elements', () => {
        expect($$('#board [data-id]').length).toBeGreaterThan(-1);
    });

    it('cards are draggable', () => {
        const card = $('#board [data-id]');
        if (!card) return;
        expect(card.getAttribute('draggable')).toBe('true');
    });

    it('cards have color bar', () => {
        const card = $('#board [data-id]');
        if (!card) return;
        expect(card.querySelector('.card-bar')).toExist();
    });

    it('cards have valid data-id', () => {
        const card = $('#board [data-id]');
        if (!card) return;
        expect(parseInt(card.dataset.id)).toBeGreaterThan(0);
    });
});

describe('Board Split Preview', () => {
    afterEach(() => closeAll());

    it('opens split panel', async () => {
        click('#board-split-toggle');
        await sleep(150);
        expect($('#board-preview').classList.contains('hidden')).toBe(false);
        click('#board-split-toggle');
        await sleep(100);
    });

    it('shows empty state initially', async () => {
        click('#board-split-toggle');
        await sleep(150);
        expect($('#board-preview-empty').classList.contains('hidden')).toBe(false);
        click('#board-split-toggle');
        await sleep(100);
    });

    it('shows card on click', async () => {
        click('#board-split-toggle');
        await sleep(150);
        const card = $('#board [data-id]');
        if (!card) return;
        click(card);
        await sleep(250);
        expect($('#board-preview-title').textContent.length).toBeGreaterThan(0);
        click('#board-split-toggle');
        await sleep(100);
    });

    it('highlights active card', async () => {
        click('#board-split-toggle');
        await sleep(150);
        const card = $('#board [data-id]');
        if (!card) return;
        click(card);
        await sleep(250);
        expect(card.classList.contains('preview-active')).toBe(true);
        click('#board-split-toggle');
        await sleep(100);
    });
});

describe('Board: Card Create & Delete', () => {
    afterEach(() => closeAll());

    it('new card appears on board', async () => {
        const res = await fetch('api/cards', {
            method: 'POST', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': csrf() },
            body: JSON.stringify({ title: '__test_appear__', body: '', color: '#38bdf8' }),
        }).then(r => r.json());
        await window._reloadAll?.();
        await sleep(200);
        expect(document.querySelector(`[data-id="${res.id}"]`)).toExist();
    });

    it('deleted card gone from board', async () => {
        const res = await fetch('api/cards', {
            method: 'POST', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': csrf() },
            body: JSON.stringify({ title: '__test_gone__', body: '', color: '#38bdf8' }),
        }).then(r => r.json());
        await window._reloadAll?.();
        await sleep(100);

        await fetch(`api/cards/${res.id}`, { method: 'DELETE', headers: { 'X-CSRF-Token': csrf() } });
        await window._reloadAll?.();
        await sleep(200);
        expect(document.querySelector(`[data-id="${res.id}"]`)).toBe(null);
    });

    it('deleted card clears split preview', async () => {
        const res = await fetch('api/cards', {
            method: 'POST', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': csrf() },
            body: JSON.stringify({ title: '__test_split_clear__', body: '', color: '#38bdf8' }),
        }).then(r => r.json());
        await window._reloadAll?.();
        await sleep(200);

        // Open split, select the card
        if ($('#board-preview')?.classList.contains('hidden')) {
            click('#board-split-toggle');
            await sleep(150);
        }
        const el = document.querySelector(`[data-id="${res.id}"]`);
        if (el) click(el);
        await sleep(200);

        // Delete and check preview resets
        await fetch(`api/cards/${res.id}`, { method: 'DELETE', headers: { 'X-CSRF-Token': csrf() } });
        await window._reloadAll?.();
        await sleep(200);
        expect($('#board-preview-empty').classList.contains('hidden')).toBe(false);

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

describe('Board: Focus restoration after overlay close', () => {
    afterEach(() => closeAll());

    it('closing the editor returns focus to body', async () => {
        click('#add-btn');
        await sleep(200);
        // Editor is open — focus should be inside the modal (title input)
        expect(document.activeElement !== document.body).toBe(true);
        click('#modal-cancel');
        await sleep(200);
        expect(document.activeElement).toBe(document.body);
    });

    it('closing the detail view returns focus to body', async () => {
        const card = $('#board [data-id]');
        if (!card) return;
        click(card);
        await sleep(300);
        if (!$('#detail')?.classList.contains('open')) return;
        click('#detail-close');
        await sleep(200);
        expect(document.activeElement).toBe(document.body);
    });

    it('closing search returns focus to body', async () => {
        click('#search-btn');
        await sleep(200);
        if (!$('#search')?.classList.contains('open')) return;
        expect(document.activeElement?.id).toBe('search-input');
        document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape', bubbles: true }));
        await sleep(200);
        expect(document.activeElement).toBe(document.body);
    });

    it('arrow keys work after editor round-trip (enter → enter → escape)', async () => {
        const card = $('#board [data-id]');
        if (!card) return;
        // Focus a card
        document.dispatchEvent(new KeyboardEvent('keydown', { key: 'ArrowDown', bubbles: true }));
        await sleep(100);
        if (!document.querySelector('#board .card-focused')) return;
        // Enter → detail
        document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true }));
        await sleep(300);
        if (!$('#detail')?.classList.contains('open')) return;
        // Enter → close detail, open editor
        document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter', bubbles: true }));
        await sleep(300);
        if (!$('#modal')?.classList.contains('open')) return;
        // Escape → close editor
        document.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape', bubbles: true }));
        await sleep(200);
        expect(document.activeElement).toBe(document.body);
        // Arrows should work again
        document.dispatchEvent(new KeyboardEvent('keydown', { key: 'ArrowDown', bubbles: true }));
        await sleep(100);
        expect(document.querySelector('#board .card-focused')).toExist();
    });
});