// @ts-check
// Tests: P1–P5 — form submission happy paths
// Replaces post-with-photo.spec.js
const { test, expect } = require('@playwright/test');
const path = require('path');
const fs = require('fs');
const { waitForFilePondUpload, cleanupEntry, findEntry, readEntryMd, TRACKER_DIR, DAILIES_URL } = require('../helpers');

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

// Track slugs created per test for cleanup
const created = [];

test.afterAll(() => {
    created.forEach(cleanupEntry);
});

// ── P1: Post without photo ─────────────────────────────────────────────────────
test('P1: post text-only entry → created on disk and visible on /dailies', async ({ page }) => {
    const tag = `p1-${Date.now()}`;
    const title = `UI Test ${tag}`;

    await page.goto('/post');
    await page.fill('input[name="data[title]"]', title);
    await page.fill('textarea[name="data[content]"]', 'Text-only test entry. Safe to delete.');
    await page.fill('input[name="data[location_city]"]', 'Testville');
    await page.fill('input[name="data[location_country]"]', 'Testland');
    await page.locator('.btn-post').evaluate(el => el.click());
    await page.waitForSelector('.form-messages, .notices', { timeout: 15_000 });

    const entryDir = findEntry(tag);
    expect(entryDir, 'Entry folder should exist on disk').toBeTruthy();
    created.push(tag);

    const md = readEntryMd(entryDir);
    expect(md).toContain(tag);

    // No photo expected
    const photos = fs.readdirSync(entryDir).filter(f => /\.(jpg|jpeg|png|webp|heic)$/i.test(f));
    expect(photos.length, 'Text-only entry should have no photos').toBe(0);

    await page.goto(DAILIES_URL);
    await expect(page.locator('body')).toContainText(tag);
});

// ── P2: Post with photo ────────────────────────────────────────────────────────
test.skip('P2: post entry with photo → photo saved in entry folder and visible on /dailies', async ({ page }) => {
    const tag = `p2-${Date.now()}`;
    const title = `UI Test ${tag}`;

    await page.goto('/post');
    await page.fill('input[name="data[title]"]', title);
    await page.fill('textarea[name="data[content]"]', 'Photo test entry. Safe to delete.');
    await page.fill('input[name="data[location_city]"]', 'Testville');
    await page.fill('input[name="data[location_country]"]', 'Testland');

    await page.locator('input.filepond--browser').setInputFiles(TEST_PHOTO);
    await waitForFilePondUpload(page);

    await page.locator('.btn-post').evaluate(el => el.click());
    await page.waitForSelector('.form-messages, .notices', { timeout: 15_000 });

    const entryDir = findEntry(tag);
    expect(entryDir, 'Entry folder should exist on disk').toBeTruthy();
    created.push(tag);

    const md = readEntryMd(entryDir);
    expect(md).toContain(tag);

    const photos = fs.readdirSync(entryDir).filter(f => /\.(jpg|jpeg|png|webp|heic)$/i.test(f));
    expect(photos.length, 'At least one photo should be saved').toBeGreaterThan(0);

    await page.goto(DAILIES_URL);
    await expect(page.locator('body')).toContainText(tag);
});

// ── P3: Post with city + country ──────────────────────────────────────────────
test('P3: post entry with city/country → frontmatter contains location', async ({ page }) => {
    const tag = `p3-${Date.now()}`;
    const title = `UI Test ${tag}`;

    await page.goto('/post');
    await page.fill('input[name="data[title]"]', title);
    await page.fill('textarea[name="data[content]"]', 'Location test. Safe to delete.');
    await page.fill('input[name="data[location_city]"]', 'Kyoto');
    await page.fill('input[name="data[location_country]"]', 'Japan');
    await page.locator('.btn-post').evaluate(el => el.click());
    await page.waitForSelector('.form-messages, .notices', { timeout: 15_000 });

    const entryDir = findEntry(tag);
    expect(entryDir, 'Entry folder should exist on disk').toBeTruthy();
    created.push(tag);

    const md = readEntryMd(entryDir);
    expect(md).toContain('Kyoto');
    expect(md).toContain('Japan');
});

// ── P4: Post with lat/lng ─────────────────────────────────────────────────────
test('P4: post entry with lat/lng → coordinates saved in frontmatter', async ({ page }) => {
    const tag = `p4-${Date.now()}`;
    const title = `UI Test ${tag}`;

    await page.goto('/post');
    await page.fill('input[name="data[title]"]', title);
    await page.fill('textarea[name="data[content]"]', 'GPS test. Safe to delete.');
    // lat/lng fields are CSS-hidden (designed to be filled by the Get Location button);
    // set values directly via JS to simulate what the button would do.
    await page.evaluate(() => {
        document.querySelector('input[name="data[lat]"]').value = '35.6762';
        document.querySelector('input[name="data[lng]"]').value = '139.6503';
    });
    await page.locator('.btn-post').evaluate(el => el.click());
    await page.waitForSelector('.form-messages, .notices', { timeout: 15_000 });

    const entryDir = findEntry(tag);
    expect(entryDir, 'Entry folder should exist on disk').toBeTruthy();
    created.push(tag);

    const md = readEntryMd(entryDir);
    expect(md).toContain('35.6762');
    expect(md).toContain('139.6503');
});

// ── P5: "Get Location" button fills lat/lng (TDD — fails until feature built) ──
test('P5: Get Location button fills lat/lng from browser geolocation', async ({ page, context }) => {
    await context.grantPermissions(['geolocation']);
    await context.setGeolocation({ latitude: 35.6762, longitude: 139.6503 });

    await page.goto('/post');
    await page.click('#get-location');

    // Allow a moment for the geolocation callback to fire
    await page.waitForTimeout(500);

    await expect(page.locator('input[name="data[lat]"]')).toHaveValue(/35\.67/);
    await expect(page.locator('input[name="data[lng]"]')).toHaveValue(/139\.65/);
});

// ── P6: Success message is visible after submit ───────────────────────────────
test('P6: successful submit shows "Entry posted successfully!" message', async ({ page }) => {
    const tag = `p6-${Date.now()}`;
    await page.goto('/post');
    await page.fill('input[name="data[title]"]', `UI Test ${tag}`);
    await page.fill('textarea[name="data[content]"]', 'P6 test. Safe to delete.');
    await page.locator('.btn-post').evaluate(el => el.click());
    await expect(page.locator('.form-messages, .notices')).toContainText(
        'Entry posted successfully!', { timeout: 15_000 }
    );
    created.push(tag);
});

// ── P7: Entry is saved with a recent timestamp (default: now resolved server-side) ──
// Note: the form renders `default: now` as the literal string "now" in the HTML input.
// The server resolves it to the current timestamp when processing the submission.
// This test verifies that server-side behaviour.
test('P7: submitted entry is saved with a date within 5 minutes of now', async ({ page }) => {
    const tag = `p7-${Date.now()}`;
    await page.goto('/post');
    await page.fill('input[name="data[title]"]', `UI Test ${tag}`);
    await page.fill('textarea[name="data[content]"]', 'P7 date test. Safe to delete.');
    await page.locator('.btn-post').evaluate(el => el.click());
    await expect(page.locator('.form-messages, .notices')).toContainText(
        'Entry posted successfully!', { timeout: 15_000 }
    );
    created.push(tag);

    const entryDir = findEntry(tag);
    expect(entryDir, 'Entry folder should exist on disk').toBeTruthy();
    const md = readEntryMd(entryDir);
    expect(md, 'Entry markdown should be readable').toBeTruthy();

    // Extract the date frontmatter value — format: "YYYY-MM-DD HH:mm"
    const dateMatch = md.match(/^date:\s*['"]?(\d{4}-\d{2}-\d{2} \d{2}:\d{2})['"]?/m);
    expect(dateMatch, 'Frontmatter must contain a date field').toBeTruthy();
    const parsed = new Date(dateMatch[1].replace(' ', 'T'));
    expect(isNaN(parsed.getTime()), 'Saved date must parse as a valid date').toBe(false);
    const diffMs = Math.abs(Date.now() - parsed.getTime());
    expect(diffMs, 'Saved date must be within 5 minutes of test run').toBeLessThan(5 * 60 * 1000);
});

// ── P8: Form fields are cleared after successful submit (reset: true) ─────────
test('P8: title and content fields are empty after a successful submit', async ({ page }) => {
    const tag = `p8-${Date.now()}`;
    await page.goto('/post');
    await page.fill('input[name="data[title]"]', `UI Test ${tag}`);
    await page.fill('textarea[name="data[content]"]', 'P8 reset test. Safe to delete.');
    await page.locator('.btn-post').evaluate(el => el.click());
    await expect(page.locator('.form-messages, .notices')).toContainText(
        'Entry posted successfully!', { timeout: 15_000 }
    );
    // After reset, the form fields should be empty
    await expect(page.locator('input[name="data[title]"]')).toHaveValue('');
    await expect(page.locator('textarea[name="data[content]"]')).toHaveValue('');
    created.push(tag);
});