// @ts-check
// Tests: M1–M4 — MapLibre GL canvas renders on all three map surfaces
// Requires demo data: run `make demo-load` before this suite.
const { test, expect } = require('@playwright/test');

// ── M1: Full map page renders MapLibre canvas ─────────────────────────────────
test('M1: /map page renders MapLibre GL canvas without JS errors', async ({ page }) => {
    const errors = [];
    page.on('pageerror', e => errors.push(e.message));

    await page.goto('/trips/japan-korea-2026/map');
    await expect(page.locator('canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
    expect(errors, 'No JS errors on map page').toHaveLength(0);
});

// ── M2: Full map page — dot markers are in the DOM ───────────────────────────
test('M2: /map page has at least one dot marker', async ({ page }) => {
    await page.goto('/trips/japan-korea-2026/map');
    await expect(page.locator('canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
    // Markers are added in map.on('load') — wait for first to appear in the DOM
    await expect(page.locator('.maplibregl-marker').first()).toBeVisible({ timeout: 15000 });
    const markerCount = await page.locator('.maplibregl-marker').count();
    expect(markerCount, 'At least one marker present').toBeGreaterThan(0);
});

// ── M3: Dailies mini-map renders MapLibre canvas ─────────────────────────────
test('M3: Dailies mini-map renders MapLibre GL canvas without JS errors', async ({ page }) => {
    const errors = [];
    page.on('pageerror', e => errors.push(e.message));

    await page.goto('/trips/japan-korea-2026/dailies');
    await expect(page.locator('#feed-map canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
    expect(errors, 'No JS errors on dailies page').toHaveLength(0);
});

// ── M4: Home map renders MapLibre canvas ─────────────────────────────────────
test('M4: Home page map renders MapLibre GL canvas without JS errors', async ({ page }) => {
    const errors = [];
    page.on('pageerror', e => errors.push(e.message));

    await page.goto('/');
    await expect(page.locator('#home-map canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
    expect(errors, 'No JS errors on home page').toHaveLength(0);
});

// ── M5: Italy map — no JS errors with GPX present ────────────────────────────
test('M5: Italy map page renders without JS errors (GPX present)', async ({ page }) => {
    const errors = [];
    page.on('pageerror', e => errors.push(e.message));

    await page.goto('/trips/italy-2026-demo/map');
    await expect(page.locator('canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
    // Wait for markers to confirm map.on('load') completed
    await expect(page.locator('.maplibregl-marker').first()).toBeVisible({ timeout: 15000 });
    // Give Promise.all time to resolve
    await page.waitForTimeout(3000);

    expect(errors, 'No JS errors on Italy map page').toHaveLength(0);
});

// ── M6: Italy map — journey source exists after GPX loads ────────────────────
test('M6: Italy map has a journey MapLibre source after GPX settles', async ({ page }) => {
    await page.goto('/trips/italy-2026-demo/map');
    await expect(page.locator('canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
    await expect(page.locator('.maplibregl-marker').first()).toBeVisible({ timeout: 15000 });

    // Wait until the journey source appears — addJourneySegments runs inside Promise.all.then()
    // `var map = ...` in map.html.twig is a plain <script> var → available as window.map.
    await page.waitForFunction(function () {
        return window.map &&
               (window.map.getSource('journey') !== undefined ||
                window.map.getSource('journey-0') !== undefined);
    }, { timeout: 15000 });

    const hasSource = await page.evaluate(function () {
        return !!(window.map.getSource('journey') || window.map.getSource('journey-0'));
    });

    expect(hasSource).toBe(true);
});

// ── M7: Clicking a trip-page map marker adds is-highlighted to the entry card ──
test('M7: clicking map marker briefly highlights the corresponding entry card', async ({ page }) => {
    await page.goto('/trips/japan-korea-2026');
    // Wait for map canvas and at least one marker
    await expect(page.locator('#trip-map canvas.maplibregl-canvas')).toBeVisible({ timeout: 10000 });
    await expect(page.locator('.maplibregl-marker').first()).toBeVisible({ timeout: 15000 });

    // Wait for tripMap to finish animating (fitBounds animation completes)
    await page.waitForFunction(function () {
        return window.tripMap &&
               !window.tripMap.isMoving() &&
               !window.tripMap.isZooming() &&
               !window.tripMap.isRotating();
    }, { timeout: 15000 });

    // Click the first marker
    await page.locator('.maplibregl-marker').first().click();

    // Within 500ms of click + delay, one journal-post should have is-highlighted
    await expect(page.locator('.journal-post.is-highlighted')).toBeVisible({ timeout: 1500 });
});