import { test, expect } from "@playwright/test";
import { getTomorrowDateStr } from "./helpers/date";
import { API_URL, REGULAR_USER, ADMIN_USER, clearAuth, loginUser } from "./helpers/auth";

/**
 * Availability Page E2E Tests
 *
 * Tests for the admin availability management page.
 */

// Helper to get tomorrow's date in the format displayed on the page
function getTomorrowDisplay(): string {
  const tomorrow = new Date();
  tomorrow.setDate(tomorrow.getDate() + 1);
  return tomorrow.toLocaleDateString("en-US", { weekday: "short", month: "short", day: "numeric" });
}

test.describe("Availability Page - Admin Access", () => {
  test.beforeEach(async ({ page }) => {
    await clearAuth(page);
    await loginUser(page, ADMIN_USER.email, ADMIN_USER.password);
  });

  test("admin can access availability page and UI elements work", async ({ page }) => {
    // Test navigation link
    await page.goto("/admin/trades");
    const availabilityLink = page.locator('a[href="/admin/availability"]');
    await expect(availabilityLink).toBeVisible();

    // Test page access and structure
    await page.goto("/admin/availability");
    await expect(page).toHaveURL("/admin/availability");
    await expect(page.getByRole("heading", { name: "Availability" })).toBeVisible();
    await expect(page.getByText("Configure your available time slots")).toBeVisible();

    // Test calendar grid
    const tomorrowText = getTomorrowDisplay();
    await expect(page.getByText(tomorrowText)).toBeVisible();
    await expect(page.getByText("No availability").first()).toBeVisible();

    // Test edit modal
    await page.getByText(tomorrowText).click();
    await expect(page.getByRole("heading", { name: /Edit Availability/ })).toBeVisible();
    await expect(page.getByRole("button", { name: "Save" })).toBeVisible();
    await expect(page.getByRole("button", { name: "Cancel" })).toBeVisible();
  });

  test("can add, clear, and add multiple availability slots", async ({ page }) => {
    await page.goto("/admin/availability");

    // Wait for initial data load to complete
    await page.waitForLoadState("networkidle");

    // Find a day card with "No availability" and click on it
    const dayCardWithNoAvailability = page
      .locator('[data-testid^="day-card-"]')
      .filter({
        has: page.getByText("No availability"),
      })
      .first();

    // Get the testid so we can find the same card later
    const testId = await dayCardWithNoAvailability.getAttribute("data-testid");
    const targetCard = page.locator(`[data-testid="${testId}"]`);

    // First add availability
    await dayCardWithNoAvailability.click();
    await expect(page.getByRole("heading", { name: /Edit Availability/ })).toBeVisible();

    // Set up listeners for both PUT and GET before clicking Save to avoid race condition
    const savePutPromise = page.waitForResponse(
      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
    );
    const saveGetPromise = page.waitForResponse(
      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
    );
    await page.getByRole("button", { name: "Save" }).click();
    await savePutPromise;
    await saveGetPromise;
    await expect(page.getByRole("heading", { name: /Edit Availability/ })).not.toBeVisible();

    // Verify slot exists in the specific card we clicked
    await expect(targetCard.getByText("09:00 - 17:00")).toBeVisible();

    // Now clear it - click on the same card using the testid
    await targetCard.click();
    await expect(page.getByRole("heading", { name: /Edit Availability/ })).toBeVisible();

    // Set up listeners for both PUT and GET before clicking Clear to avoid race condition
    const clearPutPromise = page.waitForResponse(
      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
    );
    const clearGetPromise = page.waitForResponse(
      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
    );
    await page.getByRole("button", { name: "Clear All" }).click();
    await clearPutPromise;
    await clearGetPromise;

    // Wait for modal to close
    await expect(page.getByRole("heading", { name: /Edit Availability/ })).not.toBeVisible();

    // Slot should be gone from this specific card
    await expect(targetCard.getByText("09:00 - 17:00")).not.toBeVisible();

    // Now test adding multiple slots - find another day card
    await page.waitForLoadState("networkidle");
    const anotherDayCard = page
      .locator('[data-testid^="day-card-"]')
      .filter({
        has: page.getByText("No availability"),
      })
      .first();
    const anotherTestId = await anotherDayCard.getAttribute("data-testid");
    const anotherTargetCard = page.locator(`[data-testid="${anotherTestId}"]`);
    await anotherDayCard.click();

    await expect(page.getByRole("heading", { name: /Edit Availability/ })).toBeVisible();

    // First slot is 09:00-17:00 by default - change it to morning only
    const timeSelects = page.locator("select");
    await timeSelects.nth(1).selectOption("12:00");

    // Add another slot for afternoon
    await page.getByText("+ Add Time Range").click();
    await timeSelects.nth(2).selectOption("14:00");
    await timeSelects.nth(3).selectOption("17:00");

    // Save multiple slots
    const putPromise = page.waitForResponse(
      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "PUT"
    );
    const getPromise = page.waitForResponse(
      (resp) => resp.url().includes("/api/admin/availability") && resp.request().method() === "GET"
    );
    await page.getByRole("button", { name: "Save" }).click();
    await putPromise;
    await getPromise;
    await expect(page.getByRole("heading", { name: /Edit Availability/ })).not.toBeVisible();

    // Should see both slots
    await expect(anotherTargetCard.getByText("09:00 - 12:00")).toBeVisible();
    await expect(anotherTargetCard.getByText("14:00 - 17:00")).toBeVisible();
  });
});

test.describe("Availability Page - Access Control", () => {
  test("regular user and unauthenticated user cannot access availability page", async ({
    page,
  }) => {
    // Test unauthenticated access
    await clearAuth(page);
    await page.goto("/admin/availability");
    await expect(page).toHaveURL("/login");

    // Test regular user access
    await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
    await page.goto("/");
    const availabilityLink = page.locator('a[href="/admin/availability"]');
    await expect(availabilityLink).toHaveCount(0);

    await page.goto("/admin/availability");
    await expect(page).not.toHaveURL("/admin/availability");
  });
});

test.describe("Availability API", () => {
  test("admin can set availability via API, regular user cannot", async ({ page, request }) => {
    // Test admin API access
    await clearAuth(page);
    await loginUser(page, ADMIN_USER.email, ADMIN_USER.password);
    const cookies = await page.context().cookies();
    const authCookie = cookies.find((c) => c.name === "auth_token");

    if (authCookie) {
      const dateStr = getTomorrowDateStr();
      const response = await request.put(`${API_URL}/api/admin/availability`, {
        headers: {
          Cookie: `auth_token=${authCookie.value}`,
          "Content-Type": "application/json",
        },
        data: {
          date: dateStr,
          slots: [{ start_time: "10:00:00", end_time: "12:00:00" }],
        },
      });

      expect(response.status()).toBe(200);
      const data = await response.json();
      expect(data.date).toBe(dateStr);
      expect(data.slots).toHaveLength(1);
    }

    // Test regular user API access
    await clearAuth(page);
    await loginUser(page, REGULAR_USER.email, REGULAR_USER.password);
    const regularCookies = await page.context().cookies();
    const regularAuthCookie = regularCookies.find((c) => c.name === "auth_token");

    if (regularAuthCookie) {
      const dateStr = getTomorrowDateStr();
      const response = await request.get(
        `${API_URL}/api/admin/availability?from=${dateStr}&to=${dateStr}`,
        {
          headers: {
            Cookie: `auth_token=${regularAuthCookie.value}`,
          },
        }
      );
      expect(response.status()).toBe(403);
    }
  });
});