/**
 * T-series (UI) — Fase 3.1
 *
 * Task lists overview at /tasks; per-list detail at /tasks/[id]. Members can
 * create, complete, edit, delete, and reorder tasks. Guests see them but
 * cannot mutate. Completed tasks sink to the bottom and show "Completed by …".
 */
import { test, expect, type Page } from '@playwright/test';
import { USERS } from '../fixtures/users.js';
import { loginAs } from '../fixtures/login.js';

const NEW_LIST_PLACEHOLDER = /new task list|nueva lista de tareas/i;
const NEW_TASK_PLACEHOLDER = /add task|añadir tarea/i;

async function gotoTasksClean(page: Page) {
	await page.goto('/tasks');
	await expect(
		page.getByRole('button', { name: /new list|nueva lista/i })
	).toBeVisible({ timeout: 15_000 });
}

async function createTaskList(page: Page, name: string) {
	// Masthead "New list" button → creates empty list and navigates to the detail.
	await page.getByRole('button', { name: /new list|nueva lista/i }).click();
	await expect(page).toHaveURL(/\/tasks\/[0-9a-f-]+$/, { timeout: 10_000 });
	const titleInput = page.getByPlaceholder(NEW_LIST_PLACEHOLDER);
	await expect(titleInput).toBeVisible({ timeout: 10_000 });
	await titleInput.fill(name);
	await titleInput.blur();
	await page.waitForTimeout(900); // autosave debounce
}

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

	test('T-UI-01: create list, add task, complete it, see "Completed by …" tooltip', async ({
		page
	}) => {
		await gotoTasksClean(page);
		const listName = `Tasks ${Date.now()}`;
		await createTaskList(page, listName);

		const taskInput = page.getByPlaceholder(NEW_TASK_PLACEHOLDER);
		await expect(taskInput).toBeVisible({ timeout: 5_000 });
		const taskTitle = `Buy milk ${Date.now()}`;
		await taskInput.fill(taskTitle);
		await taskInput.press('Enter');

		const row = page.locator('[role="listitem"]').filter({ hasText: taskTitle });
		await expect(row).toBeVisible({ timeout: 5_000 });

		// Toggle complete
		await row.getByRole('button', { name: /toggle task|alternar tarea/i }).click();

		// Title is decorated as completed (line-through). Check via aria.
		await expect(
			page
				.locator('[role="listitem"]')
				.filter({ hasText: taskTitle })
				.getByRole('button', { name: /uncheck task|desmarcar tarea/i })
		).toBeVisible({ timeout: 5_000 });

		// "Completed by Borja" tooltip / metadata visible somewhere on the row.
		await expect(
			page.locator('[role="listitem"]').filter({ hasText: taskTitle }).getByText(/borja/i)
		).toBeVisible({ timeout: 5_000 });
	});

	test('T-UI-02: delete a task removes it from the list', async ({ page }) => {
		await gotoTasksClean(page);
		const listName = `Tasks-del ${Date.now()}`;
		await createTaskList(page, listName);

		const taskInput = page.getByPlaceholder(NEW_TASK_PLACEHOLDER);
		const taskTitle = `Delete me ${Date.now()}`;
		await taskInput.fill(taskTitle);
		await taskInput.press('Enter');

		const row = page.locator('[role="listitem"]').filter({ hasText: taskTitle });
		await expect(row).toBeVisible({ timeout: 5_000 });

		await row.getByRole('button', { name: /delete task|eliminar tarea/i }).click();
		await expect(
			page.locator('[role="listitem"]').filter({ hasText: taskTitle })
		).toHaveCount(0, { timeout: 5_000 });
	});
});

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

	test('T-UI-03: guest can navigate to /tasks but cannot create lists', async ({ page }) => {
		await page.goto('/tasks');
		// Either the create input is hidden, or it exists but typing into it
		// must NOT produce a committed list (RLS blocks the insert).
		const input = page.getByPlaceholder(NEW_LIST_PLACEHOLDER);
		if (await input.isVisible({ timeout: 2_000 }).catch(() => false)) {
			const name = `David sneaky ${Date.now()}`;
			await input.fill(name);
			await input.press('Enter');
			await page.waitForTimeout(1_500);
			await expect(
				page.getByRole('heading', { name: new RegExp(`^${name}$`) })
			).not.toBeVisible({ timeout: 2_000 });
		}
	});
});