// @ts-check
// Tests: GM1–GM7 — GPX Manager end-to-end (real API calls)
// Requires: Grav server at localhost:8081, demo-load completed, user logged in.
const { test, expect } = require('@playwright/test');
const fs = require('fs');
const path = require('path');

const BASE_URL = process.env.GRAV_BASE_URL || 'http://localhost:8081';
const API = `${BASE_URL}/api/v1`;
const TRIP_ROUTE = '/trips/italy-2026-demo';
const AUTH_FILE = path.join(__dirname, '../../.auth/user.json');
const GPX_FIXTURE = path.join(__dirname, '../../fixtures/test-route.gpx');
const GPX_FIXTURE_CONTENT = fs.readFileSync(GPX_FIXTURE);

// Track uploaded filenames for cleanup
const uploaded = [];

async function apiDelete(filename) {
    const authState = JSON.parse(fs.readFileSync(AUTH_FILE, 'utf-8'));
    const cookie = authState.cookies
        .map(c => `${c.name}=${c.value}`)
        .join('; ');
    await fetch(
        `${API}/pages${TRIP_ROUTE}/media/${encodeURIComponent(filename)}`,
        { method: 'DELETE', headers: { Cookie: cookie } }
    );
}

test.afterAll(async () => {
    for (const name of uploaded) {
        try { await apiDelete(name); } catch (_) { /* best-effort */ }
    }
});

// ── GM1: Page loads with auth ─────────────────────────────────────────────────
test('GM1: /gpx-manager loads with auth and shows one section per trip', async ({ page }) => {
    await page.goto('/gpx-manager');
    const sections = page.locator('.gpx-trip');
    await expect(sections.first()).toBeVisible({ timeout: 8000 });
    const count = await sections.count();
    expect(count, 'At least one trip section').toBeGreaterThan(0);
});

// ── GM2: Page without auth shows login form ───────────────────────────────────
test('GM2: /gpx-manager without auth renders inline login form', async ({ browser }) => {
    const ctx = await browser.newContext({ storageState: { cookies: [], origins: [] } });
    const page = await ctx.newPage();
    await page.goto(`${BASE_URL}/gpx-manager`);
    await expect(page.locator('#grav-login')).toBeVisible({ timeout: 8000 });
    await ctx.close();
});

// ── GM3: File list settles (loading placeholder gone) ────────────────────────
test('GM3: file list resolves — loading placeholder is gone after API call', async ({ page }) => {
    await page.goto('/gpx-manager');
    const italySection = page.locator('.gpx-trip[data-route="/trips/italy-2026-demo"]');
    await expect(italySection).toBeVisible({ timeout: 8000 });
    // Wait for loading placeholder to disappear
    await expect(italySection.locator('.gpx-loading')).toHaveCount(0, { timeout: 15000 });
});

// ── GM4: Upload test-route.gpx → appears in file list ────────────────────────
test('GM4: uploading test-route.gpx shows it in the file list', async ({ page }) => {
    await page.goto('/gpx-manager');
    const italySection = page.locator('.gpx-trip[data-route="/trips/italy-2026-demo"]');
    await expect(italySection).toBeVisible({ timeout: 8000 });
    await expect(italySection.locator('.gpx-loading')).toHaveCount(0, { timeout: 15000 });

    const form = italySection.locator('.gpx-upload-form');
    await form.locator('input[type=file]').setInputFiles({
        name: 'test-route.gpx',
        mimeType: 'application/gpx+xml',
        buffer: GPX_FIXTURE_CONTENT,
    });
    await form.locator('.gpx-upload-btn').click();

    // Wait for status to show "Uploaded!" and file list to refresh
    await expect(form.locator('.gpx-status')).toContainText('Uploaded!', { timeout: 15000 });
    await expect(italySection.locator('.gpx-table td', { hasText: 'test-route.gpx' })).toBeVisible({ timeout: 10000 });

    uploaded.push('test-route.gpx');
});

// ── GM5: Filename with spaces/caps gets slugified ─────────────────────────────
test('GM5: filename with spaces and capitals is slugified before upload', async ({ page }) => {
    await page.goto('/gpx-manager');
    const italySection = page.locator('.gpx-trip[data-route="/trips/italy-2026-demo"]');
    await expect(italySection).toBeVisible({ timeout: 8000 });
    await expect(italySection.locator('.gpx-loading')).toHaveCount(0, { timeout: 15000 });

    const form = italySection.locator('.gpx-upload-form');
    await form.locator('input[type=file]').setInputFiles({
        name: 'My Route 1.gpx',
        mimeType: 'application/gpx+xml',
        buffer: GPX_FIXTURE_CONTENT,
    });
    await form.locator('.gpx-upload-btn').click();

    await expect(form.locator('.gpx-status')).toContainText('Uploaded!', { timeout: 15000 });
    // The client-side slugify turns "My Route 1.gpx" → "my-route-1.gpx"
    await expect(italySection.locator('.gpx-table td', { hasText: 'my-route-1.gpx' })).toBeVisible({ timeout: 10000 });

    uploaded.push('my-route-1.gpx');
});

// ── GM6: Submit without file shows error message ──────────────────────────────
test('GM6: submitting upload form without a file shows "Choose a file first."', async ({ page }) => {
    await page.goto('/gpx-manager');
    const italySection = page.locator('.gpx-trip[data-route="/trips/italy-2026-demo"]');
    await expect(italySection).toBeVisible({ timeout: 8000 });

    const form = italySection.locator('.gpx-upload-form');
    await form.locator('.gpx-upload-btn').click();
    await expect(form.locator('.gpx-status')).toHaveText('Choose a file first.');
});

// ── GM7: Delete uploaded file removes it from list ───────────────────────────
test('GM7: deleting an uploaded file removes its row from the file list', async ({ page }) => {
    // Upload a file first so we have something to delete
    await page.goto('/gpx-manager');
    const italySection = page.locator('.gpx-trip[data-route="/trips/italy-2026-demo"]');
    await expect(italySection).toBeVisible({ timeout: 8000 });
    await expect(italySection.locator('.gpx-loading')).toHaveCount(0, { timeout: 15000 });

    const form = italySection.locator('.gpx-upload-form');
    await form.locator('input[type=file]').setInputFiles({
        name: 'to-delete.gpx',
        mimeType: 'application/gpx+xml',
        buffer: GPX_FIXTURE_CONTENT,
    });
    await form.locator('.gpx-upload-btn').click();
    await expect(form.locator('.gpx-status')).toContainText('Uploaded!', { timeout: 15000 });

    // Click delete for the uploaded file
    page.once('dialog', dialog => dialog.accept());
    await italySection.locator('.gpx-delete[data-filename="to-delete.gpx"]').click();

    // Row must disappear
    await expect(italySection.locator('.gpx-table td', { hasText: 'to-delete.gpx' }))
        .toHaveCount(0, { timeout: 10000 });
    // No cleanup needed — the test deleted it itself
});