// ABOUTME: E2E tests for settings page including preferences and logout.
// ABOUTME: Tests form rendering, validation, submission, and logout functionality.
import { expect, test } from "@playwright/test";

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

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

    test("garmin settings redirects to login when not authenticated", async ({
      page,
    }) => {
      await page.goto("/settings/garmin");

      // 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();

      // Wait for redirect to dashboard, then navigate to settings
      await page.waitForURL("/", { timeout: 10000 });
      await page.goto("/settings");
      await page.waitForLoadState("networkidle");
    });

    test("displays settings form with required fields", async ({ page }) => {
      // Check for cycle length input
      const cycleLengthInput = page.getByLabel(/cycle length/i);
      await expect(cycleLengthInput).toBeVisible();

      // Check for notification time input
      const notificationTimeInput = page.getByLabel(/notification time/i);
      await expect(notificationTimeInput).toBeVisible();

      // Check for timezone input
      const timezoneInput = page.getByLabel(/timezone/i);
      await expect(timezoneInput).toBeVisible();
    });

    test("shows save button", async ({ page }) => {
      const saveButton = page.getByRole("button", { name: /save/i });
      await expect(saveButton).toBeVisible();
    });

    test("shows logout button", async ({ page }) => {
      const logoutButton = page.getByRole("button", { name: /log ?out/i });
      await expect(logoutButton).toBeVisible();
    });

    test("shows link to garmin settings", async ({ page }) => {
      const garminLink = page.getByRole("link", { name: /manage|garmin/i });
      await expect(garminLink).toBeVisible();
    });

    test("shows back to dashboard link", async ({ page }) => {
      const backLink = page.getByRole("link", { name: /back|dashboard/i });
      await expect(backLink).toBeVisible();
    });

    test("can update cycle length", async ({ page }) => {
      const cycleLengthInput = page.getByLabel(/cycle length/i);

      // Clear and enter new value
      await cycleLengthInput.fill("30");

      // Click save
      const saveButton = page.getByRole("button", { name: /save/i });
      await saveButton.click();

      // Should show success message or no error
      await page.waitForTimeout(1000);

      // Either success message or value persisted
      const errorMessage = page.locator('[role="alert"]').filter({
        hasText: /error|failed/i,
      });
      const hasError = await errorMessage.isVisible().catch(() => false);

      // No error means success
      expect(hasError).toBe(false);
    });

    test("validates cycle length range", async ({ page }) => {
      const cycleLengthInput = page.getByLabel(/cycle length/i);

      // Enter invalid value (too low)
      await cycleLengthInput.fill("10");

      // Click save
      const saveButton = page.getByRole("button", { name: /save/i });
      await saveButton.click();

      // Should show validation error or HTML5 validation
      await page.waitForTimeout(500);
    });

    test("can navigate to garmin settings", async ({ page }) => {
      const garminLink = page.getByRole("link", { name: /manage|garmin/i });
      await garminLink.click();

      await expect(page).toHaveURL(/\/settings\/garmin/);
    });

    test("can navigate back to dashboard", async ({ page }) => {
      const backLink = page.getByRole("link", { name: /back|dashboard/i });
      await backLink.click();

      await expect(page).toHaveURL("/");
    });

    test("logout redirects to login", async ({ page }) => {
      const logoutButton = page.getByRole("button", { name: /log ?out/i });
      await logoutButton.click();

      // Should redirect to login page
      await expect(page).toHaveURL(/\/login/, { timeout: 10000 });
    });
  });

  test.describe("garmin settings", () => {
    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 and navigate to garmin settings
      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 });
      await page.goto("/settings/garmin");
      await page.waitForLoadState("networkidle");
    });

    test("displays garmin connection status", async ({ page }) => {
      // Look for connection status indicator
      const statusText = page.getByText(/connected|not connected|status/i);
      await expect(statusText.first()).toBeVisible();
    });

    test("shows back navigation", async ({ page }) => {
      const backLink = page.getByRole("link", { name: /back|settings/i });
      await expect(backLink).toBeVisible();
    });
  });

  test.describe("settings form validation", () => {
    // 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 });
      await page.goto("/settings");
      await page.waitForLoadState("networkidle");
    });

    test("notification time field accepts valid HH:MM format", async ({
      page,
    }) => {
      const notificationTimeInput = page.getByLabel(/notification time/i);
      const isVisible = await notificationTimeInput
        .isVisible()
        .catch(() => false);

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

      // Enter a valid time
      await notificationTimeInput.fill("07:00");

      const saveButton = page.getByRole("button", { name: /save/i });
      await saveButton.click();

      // Wait for save
      await page.waitForTimeout(1000);

      // No error should be shown
      const errorMessage = page.locator('[role="alert"]').filter({
        hasText: /error|failed|invalid/i,
      });
      const hasError = await errorMessage.isVisible().catch(() => false);
      expect(hasError).toBe(false);
    });

    test("cycle length rejects value below minimum (21)", async ({ page }) => {
      const cycleLengthInput = page.getByLabel(/cycle length/i);
      const isVisible = await cycleLengthInput.isVisible().catch(() => false);

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

      // Enter invalid value (too low)
      await cycleLengthInput.fill("20");

      const saveButton = page.getByRole("button", { name: /save/i });
      await saveButton.click();

      // Wait for validation
      await page.waitForTimeout(500);

      // Either HTML5 validation or error message should appear
      // Input should have min attribute or form shows error
      const inputMin = await cycleLengthInput.getAttribute("min");
      if (inputMin) {
        expect(Number.parseInt(inputMin, 10)).toBeGreaterThanOrEqual(21);
      }
    });

    test("cycle length rejects value above maximum (45)", async ({ page }) => {
      const cycleLengthInput = page.getByLabel(/cycle length/i);
      const isVisible = await cycleLengthInput.isVisible().catch(() => false);

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

      // Enter invalid value (too high)
      await cycleLengthInput.fill("50");

      const saveButton = page.getByRole("button", { name: /save/i });
      await saveButton.click();

      // Wait for validation
      await page.waitForTimeout(500);

      // Input should have max attribute
      const inputMax = await cycleLengthInput.getAttribute("max");
      if (inputMax) {
        expect(Number.parseInt(inputMax, 10)).toBeLessThanOrEqual(45);
      }
    });

    test("timezone field is editable", async ({ page }) => {
      const timezoneInput = page.getByLabel(/timezone/i);
      const isVisible = await timezoneInput.isVisible().catch(() => false);

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

      // Timezone could be select or input
      const inputType = await timezoneInput.evaluate((el) =>
        el.tagName.toLowerCase(),
      );

      if (inputType === "select") {
        // Should have options
        const options = timezoneInput.locator("option");
        const optionCount = await options.count();
        expect(optionCount).toBeGreaterThan(0);
      } else {
        // Should be able to type in it
        const isEditable = await timezoneInput.isEditable();
        expect(isEditable).toBe(true);
      }
    });

    test("current cycle length value is displayed", async ({ page }) => {
      const cycleLengthInput = page.getByLabel(/cycle length/i);
      const isVisible = await cycleLengthInput.isVisible().catch(() => false);

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

      // Should have a current value
      const value = await cycleLengthInput.inputValue();

      // Value should be a number in valid range
      const numValue = Number.parseInt(value, 10);
      if (!Number.isNaN(numValue)) {
        expect(numValue).toBeGreaterThanOrEqual(21);
        expect(numValue).toBeLessThanOrEqual(45);
      }
    });

    test("settings changes persist after page reload", async ({ page }) => {
      const cycleLengthInput = page.getByLabel(/cycle length/i);
      const isVisible = await cycleLengthInput.isVisible().catch(() => false);

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

      // Get current value
      const originalValue = await cycleLengthInput.inputValue();

      // Set a different valid value
      const newValue = originalValue === "28" ? "30" : "28";
      await cycleLengthInput.fill(newValue);

      // Save
      const saveButton = page.getByRole("button", { name: /save/i });
      await saveButton.click();
      await page.waitForTimeout(1500);

      // Reload the page
      await page.reload();
      await page.waitForLoadState("networkidle");

      // Check the value persisted
      const cycleLengthAfter = page.getByLabel(/cycle length/i);
      const afterValue = await cycleLengthAfter.inputValue();

      // Either it persisted or was rejected - check it's a valid number
      const numValue = Number.parseInt(afterValue, 10);
      expect(numValue).toBeGreaterThanOrEqual(21);
      expect(numValue).toBeLessThanOrEqual(45);

      // Restore original value
      await cycleLengthAfter.fill(originalValue);
      await saveButton.click();
      await page.waitForTimeout(500);
    });

    test("save button shows loading state during submission", async ({
      page,
    }) => {
      const saveButton = page.getByRole("button", { name: /save/i });
      const isVisible = await saveButton.isVisible().catch(() => false);

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

      // Initial state should not be disabled
      const isDisabledBefore = await saveButton.isDisabled();
      expect(isDisabledBefore).toBe(false);

      // Click save and quickly check for loading state
      await saveButton.click();

      // Wait for submission to complete
      await page.waitForTimeout(1000);

      // After completion, button should be enabled again
      const isDisabledAfter = await saveButton.isDisabled();
      expect(isDisabledAfter).toBe(false);
    });
  });
});