/**
 * D-series (UI): Shopping item CRUD flows on `/lists/[id]`.
 *
 * Each test does a full Keycloak login. The seed list ("Weekly shop",
 * id bbbb...) is created by supabase/seed.sql and reused read-only by all
 * assertions that don't mutate it. Tests that do mutate (add / check / delete)
 * use items whose names include the Date.now() stamp so they're unique.
 */
import { test, expect, type Page } from '@playwright/test';
import { USERS } from '../fixtures/users.js';
import { loginAs } from '../fixtures/login.js';

const SEED_LIST_ID = 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb';
const SEED_LIST_PATH = `/lists/${SEED_LIST_ID}`;
const ADD_ITEM_PLACEHOLDER = /add item|añadir producto/i;

async function gotoSeedList(page: Page) {
	await page.goto(SEED_LIST_PATH);
	// Sidebar collective loaded = we're authenticated and the page has hydrated.
	await expect(page.getByRole('button', { name: /Casa García-López/ })).toBeVisible({
		timeout: 15_000
	});
}

/** Find the row for a given item. The template sets role="listitem" per row. */
function itemRow(page: Page, name: string) {
	return page.locator('[role="listitem"]').filter({ hasText: name }).first();
}

test.describe('Shopping items — member (Borja)', () => {
	test.beforeEach(async ({ page }) => {
		await loginAs(page, USERS.borja);
	});

	test('D-01: can open the seed list and see its items', async ({ page }) => {
		await gotoSeedList(page);
		// Seed items: Milk, Bread, Eggs, Coffee, Apples. Scope to listitem rows
		// so we don't collide with the suggestion chips that share the same text.
		await expect(itemRow(page, 'Milk')).toBeVisible({ timeout: 10_000 });
		await expect(itemRow(page, 'Bread')).toBeVisible();
		await expect(itemRow(page, 'Coffee')).toBeVisible();
	});

	test('D-02: can add a new item via the sticky form', async ({ page }) => {
		await gotoSeedList(page);
		const nameInput = page.getByPlaceholder(ADD_ITEM_PLACEHOLDER);
		await expect(nameInput).toBeVisible({ timeout: 10_000 });

		const itemName = `E2E-item-${Date.now()}`;
		await nameInput.fill(itemName);
		await nameInput.press('Enter');

		await expect(page.getByText(itemName)).toBeVisible({ timeout: 5_000 });

		// Reload to confirm the item persisted (not just optimistic).
		await page.reload();
		await expect(page.getByText(itemName)).toBeVisible({ timeout: 10_000 });
	});

	test('D-03: can check an item — toggles the aria-checked state', async ({ page }) => {
		await gotoSeedList(page);
		// Add a fresh item so we don't race with other tests' check state.
		const nameInput = page.getByPlaceholder(ADD_ITEM_PLACEHOLDER);
		await expect(nameInput).toBeVisible({ timeout: 10_000 });

		const itemName = `Check-me-${Date.now()}`;
		await nameInput.fill(itemName);
		await nameInput.press('Enter');
		await expect(page.getByText(itemName)).toBeVisible({ timeout: 5_000 });

		const row = itemRow(page, itemName);
		const toggle = row.getByRole('button', { name: /toggle item|uncheck item/i });
		await toggle.click();

		// A checked item is moved into the "Checked" section. Verify it still
		// shows on the page (it slides to the checked list with animation).
		await expect(page.getByText(itemName)).toBeVisible({ timeout: 5_000 });
	});

	test('D-04: can delete an item on desktop via the trash button', async ({ page }) => {
		await gotoSeedList(page);
		const nameInput = page.getByPlaceholder(ADD_ITEM_PLACEHOLDER);
		await expect(nameInput).toBeVisible({ timeout: 10_000 });

		const itemName = `Delete-me-${Date.now()}`;
		await nameInput.fill(itemName);
		await nameInput.press('Enter');
		await expect(itemRow(page, itemName)).toBeVisible({ timeout: 5_000 });

		const row = itemRow(page, itemName);
		await row.hover();

		// The row has 3 "Delete" buttons in markup (swipe-reveal behind the row,
		// desktop-hover on the row, and a checked-state one). The desktop-hover
		// button is the one with `sm:flex` — target it via class.
		await row.locator('button.sm\\:flex[aria-label="Delete"]').click();

		// After Fase 5.5 the delete goes through the undo queue: the row is
		// removed immediately, but a toast briefly shows "Deleted <name>" — that
		// substring matches `getByText(itemName)`. Scope the assertion to the
		// item list (role="listitem") so the toast is ignored.
		await expect(itemRow(page, itemName)).not.toBeVisible({ timeout: 5_000 });
	});

	test('D-06: frequency suggestions render below the add-item input', async ({ page }) => {
		await gotoSeedList(page);
		const nameInput = page.getByPlaceholder(ADD_ITEM_PLACEHOLDER);
		await expect(nameInput).toBeVisible({ timeout: 10_000 });

		// Focus the input. The seed data has "milk", "bread", "eggs", etc. in
		// item_frequency, so suggestion chips should render.
		await nameInput.click();
		// At least one of the seed-frequency items should be visible as a chip.
		await expect(page.getByRole('button', { name: /^milk$/i })).toBeVisible({ timeout: 5_000 });

		// Typing a prefix should narrow suggestions. "mi" matches "milk".
		await nameInput.fill('mi');
		await expect(page.getByRole('button', { name: /^milk$/i })).toBeVisible({ timeout: 3_000 });
	});
});

test.describe('Shopping items — guest (David, read-only)', () => {
	test.beforeEach(async ({ page }) => {
		await loginAs(page, USERS.david);
	});

	test('D-10: David sees seed items but cannot commit a new one', async ({ page }) => {
		await gotoSeedList(page);
		await expect(itemRow(page, 'Milk')).toBeVisible({ timeout: 15_000 });

		// Either the add input is hidden for guests, or typing + Enter does not
		// commit a persisted item (RLS blocks the insert → the optimistic row,
		// if any, rolls back).
		const input = page.getByPlaceholder(ADD_ITEM_PLACEHOLDER);
		const visible = await input.isVisible({ timeout: 2_000 }).catch(() => false);
		if (visible) {
			const name = `Guest-sneaky-${Date.now()}`;
			await input.fill(name);
			await input.press('Enter');
			await page.waitForTimeout(1_500);
			await page.reload();
			// After reload, nothing persisted on the server should render.
			await expect(page.getByText(name)).not.toBeVisible({ timeout: 5_000 });
		}
	});
});