// ABOUTME: E2E tests for period logging functionality.
// ABOUTME: Tests period start logging, date selection, and period history.
import { expect, test } from "@playwright/test";

test.describe("period logging", () => {
  test.describe("unauthenticated", () => {
    test("period history page redirects to login when not authenticated", async ({
      page,
    }) => {
      await page.goto("/period-history");

      // Should redirect to /login
      await expect(page).toHaveURL(/\/login/);
    });
  });

  test.describe("authenticated", () => {
    // These tests require TEST_USER_EMAIL and TEST_USER_PASSWORD env vars
    test.beforeEach(async ({ page }) => {
      const email = process.env.TEST_USER_EMAIL;
      const password = process.env.TEST_USER_PASSWORD;

      if (!email || !password) {
        test.skip();
        return;
      }

      // Login via the login page
      await page.goto("/login");
      await page.waitForLoadState("networkidle");

      const emailInput = page.getByLabel(/email/i);
      const hasEmailForm = await emailInput.isVisible().catch(() => false);

      if (!hasEmailForm) {
        test.skip();
        return;
      }

      await emailInput.fill(email);
      await page.getByLabel(/password/i).fill(password);
      await page.getByRole("button", { name: /sign in/i }).click();

      await page.waitForURL("/", { timeout: 10000 });
    });

    test("dashboard shows period date prompt for new users", async ({
      page,
    }) => {
      // Check if onboarding banner for period date is visible
      // This depends on whether the test user has period data set
      const onboardingBanner = page.getByText(
        /period|log your period|set.*date/i,
      );
      const hasOnboarding = await onboardingBanner
        .first()
        .isVisible()
        .catch(() => false);

      // Either has onboarding prompt or has cycle data - both are valid states
      if (hasOnboarding) {
        await expect(onboardingBanner.first()).toBeVisible();
      }
    });

    test("period history page is accessible", async ({ page }) => {
      await page.goto("/period-history");

      // Should show period history content
      await expect(page.getByRole("heading")).toBeVisible();
    });

    test("period history shows table or empty state", async ({ page }) => {
      await page.goto("/period-history");

      // Wait for loading to complete
      await page.waitForLoadState("networkidle");

      // Look for either table or empty state message
      const table = page.getByRole("table");
      const emptyState = page.getByText("No period history found");
      const totalText = page.getByText(/\d+ periods/);

      const hasTable = await table.isVisible().catch(() => false);
      const hasEmpty = await emptyState.isVisible().catch(() => false);
      const hasTotal = await totalText.isVisible().catch(() => false);

      // Either table, empty state, or total count should be present
      expect(hasTable || hasEmpty || hasTotal).toBe(true);
    });

    test("period history shows average cycle length if data exists", async ({
      page,
    }) => {
      await page.goto("/period-history");

      // Average cycle length is shown when there's enough data
      const avgText = page.getByText(/average.*cycle|cycle.*average|avg/i);
      const hasAvg = await avgText
        .first()
        .isVisible()
        .catch(() => false);

      // This is optional - depends on having data
      if (hasAvg) {
        await expect(avgText.first()).toBeVisible();
      }
    });

    test("period history shows back navigation", async ({ page }) => {
      await page.goto("/period-history");

      // Look for back link
      const backLink = page.getByRole("link", { name: /back|dashboard|home/i });
      await expect(backLink).toBeVisible();
    });

    test("can navigate to period history from dashboard", async ({ page }) => {
      // Look for navigation to period history
      const periodHistoryLink = page.getByRole("link", {
        name: /period.*history|history/i,
      });
      const hasLink = await periodHistoryLink.isVisible().catch(() => false);

      if (hasLink) {
        await periodHistoryLink.click();
        await expect(page).toHaveURL(/\/period-history/);
      }
    });
  });

  test.describe("API endpoints", () => {
    test("period history API requires authentication", async ({ page }) => {
      const response = await page.request.get("/api/period-history");

      // Should return 401 Unauthorized
      expect(response.status()).toBe(401);
    });

    test("period log API requires authentication", async ({ page }) => {
      const response = await page.request.post("/api/cycle/period", {
        data: { startDate: "2024-01-15" },
      });

      // Should return 401 Unauthorized
      expect(response.status()).toBe(401);
    });
  });

  test.describe("period logging flow", () => {
    // These tests require TEST_USER_EMAIL and TEST_USER_PASSWORD env vars
    test.beforeEach(async ({ page }) => {
      const email = process.env.TEST_USER_EMAIL;
      const password = process.env.TEST_USER_PASSWORD;

      if (!email || !password) {
        test.skip();
        return;
      }

      await page.goto("/login");
      await page.waitForLoadState("networkidle");

      const emailInput = page.getByLabel(/email/i);
      const hasEmailForm = await emailInput.isVisible().catch(() => false);

      if (!hasEmailForm) {
        test.skip();
        return;
      }

      await emailInput.fill(email);
      await page.getByLabel(/password/i).fill(password);
      await page.getByRole("button", { name: /sign in/i }).click();

      await page.waitForURL("/", { timeout: 10000 });
    });

    test("period date cannot be in the future", async ({ page }) => {
      // Navigate to period history
      await page.goto("/period-history");
      await page.waitForLoadState("networkidle");

      // Look for an "Add Period" or "Log Period" button
      const addButton = page.getByRole("button", {
        name: /add.*period|log.*period|new.*period/i,
      });
      const hasAddButton = await addButton.isVisible().catch(() => false);

      if (!hasAddButton) {
        // Try dashboard - look for period logging modal trigger
        await page.goto("/");
        await page.waitForLoadState("networkidle");

        const periodButton = page.getByRole("button", {
          name: /log.*period|add.*period/i,
        });
        const hasPeriodButton = await periodButton
          .isVisible()
          .catch(() => false);

        if (!hasPeriodButton) {
          test.skip();
          return;
        }
      }
    });

    test("period history displays cycle length between periods", async ({
      page,
    }) => {
      await page.goto("/period-history");
      await page.waitForLoadState("networkidle");

      // Look for cycle length column or text
      const cycleLengthText = page.getByText(/cycle.*length|\d+\s*days/i);
      const hasCycleLength = await cycleLengthText
        .first()
        .isVisible()
        .catch(() => false);

      // If there's period data, cycle length should be visible
      const table = page.getByRole("table");
      const hasTable = await table.isVisible().catch(() => false);

      if (hasTable) {
        // Table has header for cycle length
        const header = page.getByRole("columnheader", {
          name: /cycle.*length|days/i,
        });
        const hasHeader = await header.isVisible().catch(() => false);
        expect(hasHeader || hasCycleLength).toBe(true);
      }
    });

    test("period history shows prediction accuracy when available", async ({
      page,
    }) => {
      await page.goto("/period-history");
      await page.waitForLoadState("networkidle");

      // Look for prediction-related text (early/late, accuracy)
      const predictionText = page.getByText(/early|late|accuracy|predicted/i);
      const hasPrediction = await predictionText
        .first()
        .isVisible()
        .catch(() => false);

      // Prediction info may not be visible if not enough data
      if (hasPrediction) {
        await expect(predictionText.first()).toBeVisible();
      }
    });

    test("can delete period log from history", async ({ page }) => {
      await page.goto("/period-history");
      await page.waitForLoadState("networkidle");

      // Look for delete button
      const deleteButton = page.getByRole("button", { name: /delete/i });
      const hasDelete = await deleteButton
        .first()
        .isVisible()
        .catch(() => false);

      if (hasDelete) {
        // Delete button exists for period entries
        await expect(deleteButton.first()).toBeVisible();
      }
    });

    test("can edit period log from history", async ({ page }) => {
      await page.goto("/period-history");
      await page.waitForLoadState("networkidle");

      // Look for edit button
      const editButton = page.getByRole("button", { name: /edit/i });
      const hasEdit = await editButton
        .first()
        .isVisible()
        .catch(() => false);

      if (hasEdit) {
        // Edit button exists for period entries
        await expect(editButton.first()).toBeVisible();
      }
    });
  });
});