import { expect, test } from "@playwright/test";

test.describe("User Management", () => {
  test.beforeEach(async ({ page }) => {
    await page.addInitScript(() => {
      const authority = "http://localhost:5000/oidc";
      const client_id = "adminfront";
      const key = `oidc.user:${authority}:${client_id}`;
      const authData = {
        id_token: "fake-id-token",
        access_token: "fake-token",
        token_type: "Bearer",
        scope: "openid profile email",
        profile: {
          sub: "admin-user",
          name: "Admin",
          email: "admin@test.com",
          role: "super_admin",
        },
        expires_at: Math.floor(Date.now() / 1000) + 36000,
      };
      window.localStorage.setItem(key, JSON.stringify(authData));
      window.localStorage.setItem("admin_session", "fake-token");
      window.localStorage.setItem("locale", "ko");
      window.localStorage.setItem("oidc.state", "dummy");

      (
        window as Window & typeof globalThis & { _IS_TEST_MODE?: boolean }
      )._IS_TEST_MODE = true;
    });

    await page.route("**/oidc/**", async (route) => {
      if (route.request().url().includes("/.well-known/openid-configuration")) {
        return route.fulfill({
          json: {
            issuer: "http://localhost:5000/oidc",
            authorization_endpoint: "http://localhost:5000/oidc/auth",
            token_endpoint: "http://localhost:5000/oidc/token",
            userinfo_endpoint: "http://localhost:5000/oidc/userinfo",
            jwks_uri: "http://localhost:5000/oidc/jwks",
          },
        });
      }
      await route.fulfill({ json: { issuer: "http://localhost:5000/oidc" } });
    });

    await page.route(/.*\/api\/v1\/.*/, async (route) => {
      const url = route.request().url();
      const method = route.request().method();

      if (url.includes("/user/me")) {
        return route.fulfill({
          json: {
            id: "admin-user",
            name: "Admin",
            email: "admin@test.com",
            role: "super_admin",
            manageableTenants: [],
          },
        });
      }

      if (url.includes("/admin/tenants") && method === "GET") {
        return route.fulfill({
          json: {
            items: [
              {
                id: "t-1",
                slug: "test-tenant",
                name: "Test Tenant",
                config: {
                  userSchema: [],
                },
              },
            ],
            total: 1,
            limit: 100,
            offset: 0,
          },
        });
      }

      if (url.includes("/admin/users/u-1") && method === "GET") {
        return route.fulfill({
          json: {
            id: "u-1",
            name: "John Doe",
            email: "john@test.com",
            loginId: "johndoe",
            tenantSlug: "test-tenant",
            role: "user",
            status: "active",
          },
        });
      }

      if (url.includes("/admin/users") && method === "POST") {
        // Parse request payload to simulate validation checks
        const postData = route.request().postDataJSON();
        if (postData && postData.loginId === "existing_user") {
          // Simulate a backend conflict error (409) for an existing loginId
          return route.fulfill({
            status: 409,
            json: {
              error: "이미 존재하는 로그인 ID 입니다.",
            },
          });
        }
        // Mock successful user creation
        return route.fulfill({
          json: {
            id: "new-user-id",
            name: "New User",
            email: "newuser@test.com",
            loginId: postData?.loginId || "newuser123",
          },
        });
      }

      if (url.includes("/admin/users/u-1") && method === "PUT") {
        // Parse request payload
        const postData = route.request().postDataJSON();
        if (postData && postData.loginId === "existing_user") {
          // Simulate a backend conflict error (409) for an existing loginId
          return route.fulfill({
            status: 409,
            json: {
              error: "이미 존재하는 로그인 ID 입니다.",
            },
          });
        }

        // Mock successful user update
        return route.fulfill({
          json: {
            id: "u-1",
            name: "John Doe Updated",
            email: "john@test.com",
            loginId: postData?.loginId || "johndoe_updated",
          },
        });
      }

      if (url.includes("/admin/users") && method === "GET") {
        return route.fulfill({
          json: {
            items: [
              {
                id: "u-1",
                name: "John Doe",
                email: "john@test.com",
                loginId: "johndoe",
                role: "user",
                status: "active",
              },
            ],
            total: 1,
            limit: 50,
            offset: 0,
          },
        });
      }

      return route.fulfill({ json: { items: [], total: 0 } });
    });
  });

  test("should successfully edit a user's Login ID", async ({ page }) => {
    await page.goto("/users/u-1");

    // Wait for the form to load with the existing login ID
    const loginIdInput = page.locator('input[id="loginId"]');
    await expect(loginIdInput).toBeVisible();
    await expect(loginIdInput).toHaveValue("johndoe");

    // Change the Login ID
    await loginIdInput.fill("johndoe_updated");

    // Submit the form
    const saveButton = page.getByRole("button", {
      name: /변경사항 저장|Save/i,
    });
    await saveButton.click();

    // Check for success message
    await expect(
      page.getByText(/사용자 정보가 수정되었습니다/i).first(),
    ).toBeVisible();
  });

  test("should show conflict error when updating to an existing Login ID", async ({
    page,
  }) => {
    await page.goto("/users/u-1");

    const loginIdInput = page.locator('input[id="loginId"]');
    await expect(loginIdInput).toBeVisible();

    // Enter a login ID that triggers our mock conflict error
    await loginIdInput.fill("existing_user");

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

    // Check for the specific conflict error message from the backend mock
    await expect(
      page.getByText(/이미 존재하는 로그인 ID 입니다/i),
    ).toBeVisible();
  });

  test("should successfully create a new user with a Login ID", async ({
    page,
  }) => {
    await page.goto("/users/new");

    // Ensure the page title is loaded
    await expect(page.getByText(/사용자 추가/i).first()).toBeVisible();

    // Fill required fields
    await page.locator('input[name="name"]').fill("New User");
    await page.locator('input[name="email"]').fill("newuser@test.com");

    // Fill Login ID
    const loginIdInput = page.locator('input[name="loginId"]');
    await loginIdInput.fill("newuser123");

    // Submit the form
    const createButton = page.getByRole("button", { name: /생성/i });
    await createButton.click();

    // Assuming successful creation redirects back to the user list
    await expect(page).toHaveURL(/.*\/users$/, { timeout: 10000 });
  });

  test("should show conflict error when creating with an existing Login ID", async ({
    page,
  }) => {
    await page.goto("/users/new");

    await expect(page.getByText(/사용자 추가/i).first()).toBeVisible();

    // Fill required fields
    await page.locator('input[name="name"]').fill("New User");
    await page.locator('input[name="email"]').fill("newuser@test.com");

    // Fill Login ID that triggers the mock conflict error
    const loginIdInput = page.locator('input[name="loginId"]');
    await loginIdInput.fill("existing_user");

    // Submit the form
    const createButton = page.getByRole("button", { name: /생성/i });
    await createButton.click();

    // Check for the specific conflict error message from the backend mock
    await expect(
      page.getByText(/이미 존재하는 로그인 ID 입니다/i),
    ).toBeVisible();
  });
});