/**
 * 项目流程 E2E 测试
 *
 * 覆盖：创建项目、列出项目、获取项目详情
 * 每个测试独立，先注册登录获取 auth token。
 */
import { expect, test } from '@playwright/test';

const PASSWORD = 'Test123456!';
const apiBase = process.env.E2E_API_BASE || '/api/v1';

function uniqueEmail(prefix: string): string {
  return `${prefix}_${Date.now()}_${Math.random().toString(36).slice(2, 8)}@example.com`;
}

function uniqueUsername(prefix: string): string {
  return `${prefix}_${Date.now().toString(36)}${Math.random().toString(36).slice(2, 6)}`;
}

/** 注册并登录，返回 { headers, email, username, userId } */
async function createAuthedUser(request: any, label: string) {
  const email = uniqueEmail(label);
  const username = uniqueUsername(label);

  const reg = await request.post(`${apiBase}/auth/register`, {
    data: { email, password: PASSWORD, username, display_name: `E2E ${label}` },
  });
  expect(reg.ok(), `注册应成功: ${await reg.text()}`).toBeTruthy();
  const regData = await reg.json();

  const login = await request.post(`${apiBase}/auth/login`, {
    data: { email, password: PASSWORD },
  });
  expect(login.ok(), `登录应成功: ${await login.text()}`).toBeTruthy();
  const loginData = await login.json();

  return {
    headers: { Authorization: `Bearer ${loginData.access_token}` },
    email,
    username,
    userId: regData.user_id,
  };
}

test.describe('项目流程', () => {
  test('创建项目', async ({ request }) => {
    const { headers } = await createAuthedUser(request, 'proj-create');
    const projectName = `E2E 测试项目 ${Date.now()}`;

    const response = await request.post(`${apiBase}/projects`, {
      headers,
      data: {
        name: projectName,
        description: 'Playwright E2E 回归测试创建',
      },
    });

    expect(response.ok(), `创建项目应返回 2xx，实际: ${response.status()} ${await response.text()}`).toBeTruthy();

    const data = await response.json();
    expect(data.id, '应返回项目 ID').toBeTruthy();
    expect(data.name).toBe(projectName);
    expect(data.owner_user_id, '应返回所有者 ID').toBeTruthy();
  });

  test('创建项目名称为空 - 反向', async ({ request }) => {
    const { headers } = await createAuthedUser(request, 'proj-empty');

    const response = await request.post(`${apiBase}/projects`, {
      headers,
      data: { name: '', description: 'Should fail' },
    });

    // name 有 min_length=1 约束，应返回 422
    expect([400, 422]).toContain(response.status());
  });

  test('列出项目', async ({ request }) => {
    const { headers } = await createAuthedUser(request, 'proj-list');

    // 先创建 2 个项目
    await request.post(`${apiBase}/projects`, {
      headers,
      data: { name: `List Proj A ${Date.now()}` },
    });
    await request.post(`${apiBase}/projects`, {
      headers,
      data: { name: `List Proj B ${Date.now()}` },
    });

    // 列出
    const response = await request.get(`${apiBase}/projects`, { headers });

    expect(response.ok(), `列出项目应返回 2xx，实际: ${response.status()} ${await response.text()}`).toBeTruthy();

    const data = await response.json();
    const items = data.items || data.projects || data || [];
    expect(Array.isArray(items)).toBeTruthy();
    expect(items.length, '应至少有 2 个项目').toBeGreaterThanOrEqual(2);
  });

  test('获取项目详情', async ({ request }) => {
    const { headers } = await createAuthedUser(request, 'proj-detail');

    // 先创建
    const created = await request.post(`${apiBase}/projects`, {
      headers,
      data: { name: `Detail Proj ${Date.now()}`, description: 'Detail test' },
    });
    expect(created.ok(), `创建应成功: ${await created.text()}`).toBeTruthy();
    const { id: projectId } = await created.json();

    // 获取详情
    const response = await request.get(`${apiBase}/projects/${projectId}`, { headers });

    expect(response.ok(), `获取详情应返回 2xx，实际: ${response.status()} ${await response.text()}`).toBeTruthy();

    const data = await response.json();
    expect(data.id).toBe(projectId);
    expect(data.name).toBeTruthy();
    expect(data.owner_user_id).toBeTruthy();
  });

  test('获取不存在的项目 - 反向', async ({ request }) => {
    const { headers } = await createAuthedUser(request, 'proj-404');

    const response = await request.get(`${apiBase}/projects/nonexistent-project-id-999`, { headers });

    expect(response.status(), '不存在的项目应返回 404').toBe(404);
  });

  test('未登录列出项目 - 反向', async ({ request }) => {
    const response = await request.get(`${apiBase}/projects`);

    expect([401, 403]).toContain(response.status());
  });

  test('未授权访问他人项目 - 反向', async ({ request }) => {
    // 用户 A 创建项目
    const { headers: headersA } = await createAuthedUser(request, 'proj-owner');
    const created = await request.post(`${apiBase}/projects`, {
      headers: headersA,
      data: { name: `Owner Proj ${Date.now()}`, description: 'Owner test' },
    });
    expect(created.ok(), '用户 A 创建项目应成功').toBeTruthy();
    const { id: projectId } = await created.json();

    // 用户 B 尝试访问用户 A 的项目
    const { headers: headersB } = await createAuthedUser(request, 'proj-intruder');
    const response = await request.get(`${apiBase}/projects/${projectId}`, {
      headers: headersB,
    });

    // 应返回 403 (Forbidden) 或 404 (Not Found) — 不应泄露资源存在性
    expect([403, 404]).toContain(response.status());
  });

  test('未授权删除他人项目 - 反向', async ({ request }) => {
    // 用户 A 创建项目
    const { headers: headersA } = await createAuthedUser(request, 'proj-del-owner');
    const created = await request.post(`${apiBase}/projects`, {
      headers: headersA,
      data: { name: `Delete Test Proj ${Date.now()}` },
    });
    expect(created.ok(), '用户 A 创建项目应成功').toBeTruthy();
    const { id: projectId } = await created.json();

    // 用户 B 尝试删除用户 A 的项目
    const { headers: headersB } = await createAuthedUser(request, 'proj-del-attempt');
    const response = await request.delete(`${apiBase}/projects/${projectId}`, {
      headers: headersB,
    });

    expect([403, 404]).toContain(response.status());
  });

  test('使用无效项目 ID 获取详情 - 反向', async ({ request }) => {
    const { headers } = await createAuthedUser(request, 'proj-badid');

    const response = await request.get(`${apiBase}/projects/`, { headers });

    // 空 ID 或无效格式应返回 404 或 422
    expect([400, 404, 422]).toContain(response.status());
  });
});