// ABOUTME: E2E tests for Garmin token connection flow.
// ABOUTME: Tests saving tokens, verifying connection status, and disconnection.
import { expect, test } from "@playwright/test";

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

  test.describe("authenticated", () => {
    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 garmin settings
      await page.waitForURL("/", { timeout: 10000 });
      await page.goto("/settings/garmin");
      await page.waitForLoadState("networkidle");
    });

    test("shows not connected initially for new user", async ({ page }) => {
      // Verify initial state shows "Not Connected"
      const notConnectedText = page.getByText(/not connected/i);
      await expect(notConnectedText).toBeVisible();

      // Token input should be visible
      const tokenInput = page.locator("#tokenInput");
      await expect(tokenInput).toBeVisible();

      // Save button should be visible
      const saveButton = page.getByRole("button", { name: /save tokens/i });
      await expect(saveButton).toBeVisible();
    });

    test("can save valid tokens and become connected", async ({ page }) => {
      // Verify initial state shows "Not Connected"
      await expect(page.getByText(/not connected/i)).toBeVisible();

      // Create valid token JSON - expires 90 days from now
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 90);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-oauth1-token", secret: "test-oauth1-secret" },
        oauth2: { access_token: "test-oauth2-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      // Enter tokens in textarea
      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);

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

      // Wait for success toast - sonner renders toasts with role="status"
      const successToast = page.getByText(/tokens saved successfully/i);
      await expect(successToast).toBeVisible({ timeout: 10000 });

      // Verify status changes to "Connected" with green indicator
      const connectedText = page.getByText("Connected", { exact: true });
      await expect(connectedText).toBeVisible({ timeout: 10000 });

      // Green indicator should be visible (the circular badge)
      const greenIndicator = page.locator(".bg-green-500").first();
      await expect(greenIndicator).toBeVisible();

      // Disconnect button should now be visible
      const disconnectButton = page.getByRole("button", {
        name: /disconnect/i,
      });
      await expect(disconnectButton).toBeVisible();

      // Token input should be hidden when connected
      await expect(tokenInput).not.toBeVisible();
    });

    test("shows error toast for invalid JSON", async ({ page }) => {
      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill("not valid json");

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

      // Error toast should appear
      const errorToast = page.getByText(/invalid json/i);
      await expect(errorToast).toBeVisible({ timeout: 5000 });
    });

    test("shows error toast for missing required fields", async ({ page }) => {
      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill('{"oauth1": {}}'); // Missing oauth2 and expires_at

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

      // Error toast should appear for missing oauth2
      const errorToast = page.getByText(/oauth2 is required/i);
      await expect(errorToast).toBeVisible({ timeout: 5000 });
    });

    test("can disconnect after connecting", async ({ page }) => {
      // First connect
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 90);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

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

      // Wait for disconnect success toast
      const successToast = page.getByText(/garmin disconnected/i);
      await expect(successToast).toBeVisible({ timeout: 10000 });

      // Verify status returns to "Not Connected"
      await expect(page.getByText(/not connected/i)).toBeVisible({
        timeout: 10000,
      });

      // Token input should be visible again
      await expect(page.locator("#tokenInput")).toBeVisible();
    });

    test("shows days until expiry when connected", async ({ page }) => {
      // Connect with tokens expiring in 45 days
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 45);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

      // Should show days until expiry (approximately 45 days)
      const expiryText = page.getByText(/\d+ days/i);
      await expect(expiryText).toBeVisible();
    });

    test("shows yellow warning banner when token expires in 10 days", async ({
      page,
    }) => {
      // Connect with tokens expiring in 10 days (warning level: 8-14 days)
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 10);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-warning", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

      // Should show warning banner with yellow styling
      const warningBanner = page.getByTestId("expiry-warning");
      await expect(warningBanner).toBeVisible();
      await expect(warningBanner).toContainText("Token expiring soon");

      // Verify yellow warning styling (not red critical)
      await expect(warningBanner).toHaveClass(/bg-yellow/);
    });

    test("shows red critical banner when token expires in 5 days", async ({
      page,
    }) => {
      // Connect with tokens expiring in 5 days (critical level: <= 7 days)
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 5);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-critical", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

      // Should show critical banner with red styling
      const warningBanner = page.getByTestId("expiry-warning");
      await expect(warningBanner).toBeVisible();
      await expect(warningBanner).toContainText("Token expires soon!");

      // Verify red critical styling
      await expect(warningBanner).toHaveClass(/bg-red/);
    });

    test("shows expired state with token input when tokens have expired", async ({
      page,
    }) => {
      // Connect with tokens that expire yesterday (already expired)
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() - 1);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-expired", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

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

      // Should show expired state
      const expiredText = page.getByText("Token Expired");
      await expect(expiredText).toBeVisible({ timeout: 10000 });

      // Token input should be visible to allow re-entry
      await expect(page.locator("#tokenInput")).toBeVisible();

      // Red indicator should be visible
      const redIndicator = page.locator(".bg-red-500").first();
      await expect(redIndicator).toBeVisible();
    });

    test("connection persists after page reload", async ({ page }) => {
      // First connect with valid tokens
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 60);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-persist", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

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

      // Should still show connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

      // Green indicator should still be visible
      const greenIndicator = page.locator(".bg-green-500").first();
      await expect(greenIndicator).toBeVisible();
    });

    test("can reconnect after disconnecting", async ({ page }) => {
      // First connect
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 30);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-reconnect", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

      // Disconnect
      await page.getByRole("button", { name: /disconnect/i }).click();
      await expect(page.getByText(/not connected/i)).toBeVisible({
        timeout: 10000,
      });

      // Reconnect with new tokens
      const newExpiresAt = new Date();
      newExpiresAt.setDate(newExpiresAt.getDate() + 90);

      const newTokens = JSON.stringify({
        oauth1: {
          token: "test-token-reconnect-new",
          secret: "test-secret-new",
        },
        oauth2: { access_token: "test-access-token-new" },
        expires_at: newExpiresAt.toISOString(),
      });

      const newTokenInput = page.locator("#tokenInput");
      await newTokenInput.fill(newTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for reconnection
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

      // Green indicator should be visible
      const greenIndicator = page.locator(".bg-green-500").first();
      await expect(greenIndicator).toBeVisible();
    });

    test("shows error toast when network fails during token save", async ({
      page,
    }) => {
      // Intercept the POST request and simulate network failure
      await page.route("**/api/garmin/tokens", (route) => {
        if (route.request().method() === "POST") {
          route.fulfill({
            status: 500,
            body: JSON.stringify({ error: "Internal server error" }),
          });
        } else {
          route.continue();
        }
      });

      // Enter valid tokens
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 90);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-network", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Error toast should appear
      const errorToast = page.getByText(/internal server error/i);
      await expect(errorToast).toBeVisible({ timeout: 5000 });

      // Token input should still be visible for retry (this is the key behavior)
      await expect(tokenInput).toBeVisible();

      // Should NOT show success - either "Not Connected" or "Token Expired" state
      // (depends on prior test state), but definitely not "Connected" without expiry
      const connectedWithoutExpiry =
        (await page.getByText("Connected", { exact: true }).isVisible()) &&
        !(await page.getByText(/token expired/i).isVisible());
      expect(connectedWithoutExpiry).toBe(false);
    });

    test("shows error toast when network fails during disconnect", async ({
      page,
    }) => {
      // First connect successfully
      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 90);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-disconnect-error", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Wait for connected state
      await expect(page.getByText("Connected", { exact: true })).toBeVisible({
        timeout: 10000,
      });

      // Now intercept DELETE request to simulate network failure
      await page.route("**/api/garmin/tokens", (route) => {
        if (route.request().method() === "DELETE") {
          route.fulfill({
            status: 500,
            body: JSON.stringify({ error: "Failed to disconnect" }),
          });
        } else {
          route.continue();
        }
      });

      // Click disconnect
      await page.getByRole("button", { name: /disconnect/i }).click();

      // Error toast should appear
      const errorToast = page.getByText(/failed to disconnect/i);
      await expect(errorToast).toBeVisible({ timeout: 5000 });

      // Should still show connected state (disconnect failed)
      await expect(page.getByText("Connected", { exact: true })).toBeVisible();
    });

    test("shows error state when status fetch fails", async ({ page }) => {
      // Intercept status fetch to simulate network failure
      await page.route("**/api/garmin/status", (route) => {
        route.fulfill({
          status: 500,
          body: JSON.stringify({ error: "Service unavailable" }),
        });
      });

      // Navigate to garmin settings (need to re-navigate to trigger fresh fetch)
      await page.goto("/settings/garmin");
      await page.waitForLoadState("networkidle");

      // Error alert should be visible (use specific text to avoid matching route announcer)
      const errorAlert = page.getByText("Service unavailable");
      await expect(errorAlert).toBeVisible({ timeout: 10000 });

      // Error toast should also appear
      const errorToast = page.getByText(/unable to fetch data/i);
      await expect(errorToast).toBeVisible({ timeout: 5000 });
    });

    test("can retry and succeed after network failure", async ({ page }) => {
      let requestCount = 0;

      // First request fails, subsequent requests succeed
      await page.route("**/api/garmin/tokens", (route) => {
        if (route.request().method() === "POST") {
          requestCount++;
          if (requestCount === 1) {
            // First attempt fails
            route.fulfill({
              status: 500,
              body: JSON.stringify({ error: "Temporary failure" }),
            });
          } else {
            // Subsequent attempts succeed
            route.fulfill({
              status: 200,
              body: JSON.stringify({ success: true }),
            });
          }
        } else {
          route.continue();
        }
      });

      const expiresAt = new Date();
      expiresAt.setDate(expiresAt.getDate() + 90);

      const validTokens = JSON.stringify({
        oauth1: { token: "test-token-retry", secret: "test-secret" },
        oauth2: { access_token: "test-access-token" },
        expires_at: expiresAt.toISOString(),
      });

      const tokenInput = page.locator("#tokenInput");
      await tokenInput.fill(validTokens);

      // First attempt - should fail
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Error toast should appear
      const errorToast = page.getByText(/temporary failure/i);
      await expect(errorToast).toBeVisible({ timeout: 5000 });

      // Wait for toast to disappear or proceed with retry
      await page.waitForTimeout(1000);

      // Retry - should succeed now
      await page.getByRole("button", { name: /save tokens/i }).click();

      // Success toast should appear
      const successToast = page.getByText(/tokens saved successfully/i);
      await expect(successToast).toBeVisible({ timeout: 10000 });
    });
  });
});