// @ts-check
// Tests: V1–V4 — form validation and input constraints
const { test, expect } = require('@playwright/test');
const path = require('path');
const { fillEditor, waitForPhotoUpload } = require('../helpers');

const TEST_PHOTO = path.join(__dirname, '../../fixtures/test-photo.jpg');
const TEST_NONIMAGE = path.join(__dirname, '../../fixtures/test-nonimage.txt');

// ── V1: Missing title ─────────────────────────────────────────────────────────
test('V1: submit without title shows a validation error or stays on /post', async ({ page }) => {
    await page.goto('/post');
    // Leave title empty, fill only content
    await fillEditor(page, 'Content without a title.');
    await page.locator('.btn-post').evaluate(el => el.click());

    // Grav either shows an error message OR re-renders the form (stays on /post).
    // Either outcome is acceptable — what should NOT happen is a success message.
    await page.waitForTimeout(2_000);
    const bodyText = await page.locator('body').textContent();
    expect(bodyText).not.toContain('Entry posted successfully');
});

// ── V2: Missing content ───────────────────────────────────────────────────────
test('V2: submit without content shows a validation error or stays on /post', async ({ page }) => {
    await page.goto('/post');
    await page.fill('input[name="data[title]"]', 'V2 title no content');
    // Leave content (editor) empty
    await page.locator('.btn-post').evaluate(el => el.click());

    await page.waitForTimeout(2_000);
    const bodyText = await page.locator('body').textContent();
    expect(bodyText).not.toContain('Entry posted successfully');
});

// ── V3: Photo limit (max 4) ───────────────────────────────────────────────────
test('V3: photo picker caps attachments at 4', async ({ page }) => {
    await page.goto('/post');
    const input = page.locator('input.photo-picker__input');

    // Attach 4 photos (same fixture — we only need four items).
    await input.setInputFiles([TEST_PHOTO, TEST_PHOTO, TEST_PHOTO, TEST_PHOTO]);
    await waitForPhotoUpload(page, 4);

    // A 5th is rejected once the limit is reached — no new card, and a hint shows.
    await input.setInputFiles([TEST_PHOTO]);
    await page.waitForTimeout(500);

    await expect(page.locator('.photo-card')).toHaveCount(4);
    await expect(page.locator('.photo-picker__hint')).toContainText(/up to 4/i);
});

// ── V4: Non-image file rejected (fail-closed) ─────────────────────────────────
test('V4: a non-image upload fails closed and is not attached', async ({ page }) => {
    await page.goto('/post');

    // The picker accepts anything the OS dialog allows; the server's uploadFiles
    // accept-check (image/*) rejects a .txt, so the card ends in the error state
    // and never reaches "done" — the original is never posted.
    await page.locator('input.photo-picker__input').setInputFiles(TEST_NONIMAGE);

    await expect(page.locator('.photo-card.is-error')).toBeVisible({ timeout: 15_000 });
    await expect(page.locator('.photo-card.is-done')).toHaveCount(0);
});