import { describe, expect, it } from 'vitest';
import request from 'supertest';

import { createApp } from '../app.js';
import { createFakeRedis } from '../test/fakeRedis.js';

describe('projects API', () => {
  it('GET /api/projects returns projects from unified list', async () => {
    const now = Date.now();
    const redis = createFakeRedis({
      项目心跳: [
        JSON.stringify({
          projectName: 'Demo',
          apiBaseUrl: 'http://localhost:8080',
          lastActiveAt: now,
        }),
      ],
    });

    const app = createApp({ redis });
    const resp = await request(app).get('/api/projects');

    expect(resp.status).toBe(200);
    expect(resp.body.success).toBe(true);
    expect(resp.body.count).toBe(1);
    expect(resp.body.projects[0]).toMatchObject({
      id: 'Demo',
      name: 'Demo',
      apiBaseUrl: 'http://localhost:8080',
    });
    expect([ 'online', 'offline', 'unknown' ]).toContain(
      resp.body.projects[0].status,
    );
  });

  it('GET /api/projects prunes expired heartbeats from Redis list', async () => {
    const now = Date.now();
    const redis = createFakeRedis({
      项目心跳: [
        JSON.stringify({
          projectName: 'Demo',
          apiBaseUrl: 'http://localhost:8080',
          lastActiveAt: now - 60_000,
        }),
        JSON.stringify({
          projectName: 'Demo',
          apiBaseUrl: 'http://localhost:8080',
          lastActiveAt: now,
        }),
      ],
    });

    const app = createApp({ redis });
    const resp = await request(app).get('/api/projects');

    expect(resp.status).toBe(200);
    expect(resp.body.success).toBe(true);
    expect(resp.body.count).toBe(1);

    const listItems = await redis.lRange('项目心跳', 0, -1);
    expect(listItems.length).toBe(1);
    expect(JSON.parse(listItems[0]).lastActiveAt).toBe(now);
  });

  it('POST /api/projects/migrate migrates old *_项目心跳 keys into 项目心跳 list', async () => {
    const now = Date.now();
    const redis = createFakeRedis({
      'A_项目心跳': JSON.stringify({
        apiBaseUrl: 'http://a',
        lastActiveAt: now,
      }),
    });

    const app = createApp({ redis });
    const resp = await request(app)
      .post('/api/projects/migrate')
      .send({ dryRun: false, deleteOldKeys: true });

    expect(resp.status).toBe(200);
    expect(resp.body.success).toBe(true);
    expect(resp.body.migrated).toBe(1);

    const listItems = await redis.lRange('项目心跳', 0, -1);
    expect(Array.isArray(listItems)).toBe(true);
    expect(listItems.length).toBe(1);
    const first = JSON.parse(listItems[0]);
    expect(first).toMatchObject({
      projectName: 'A',
      apiBaseUrl: 'http://a',
    });

    const old = await redis.get('A_项目心跳');
    expect(old).toBeNull();
  });
});

describe('logs API', () => {
  it('GET /api/logs uses LOG_TTL_MS=24h without wiping recent logs', async () => {
    const prev = process.env.LOG_TTL_MS;
    process.env.LOG_TTL_MS = '24h';

    try {
      const now = Date.now();
      const projectName = 'Demo';
      const key = `${projectName}_项目控制台`;
      const redis = createFakeRedis({
        [key]: [
          JSON.stringify({
            id: 'new',
            timestamp: new Date(now - 60 * 60 * 1000).toISOString(),
            level: 'info',
            message: 'new',
          }),
        ],
      });

      const app = createApp({ redis });
      const resp = await request(app)
        .get('/api/logs')
        .query({ projectName, limit: 1000 });

      expect(resp.status).toBe(200);
      expect(resp.body.logs.length).toBe(1);
      expect(resp.body.logs[0].id).toBe('new');

      const listItems = await redis.lRange(key, 0, -1);
      expect(listItems.length).toBe(1);
    } finally {
      process.env.LOG_TTL_MS = prev;
    }
  });

  it('GET /api/logs ignores too-small LOG_TTL_MS to avoid mass deletion', async () => {
    const prev = process.env.LOG_TTL_MS;
    process.env.LOG_TTL_MS = '24';

    try {
      const now = Date.now();
      const projectName = 'Demo';
      const key = `${projectName}_项目控制台`;
      const redis = createFakeRedis({
        [key]: [
          JSON.stringify({
            id: 'new',
            timestamp: new Date(now - 60 * 60 * 1000).toISOString(),
            level: 'info',
            message: 'new',
          }),
        ],
      });

      const app = createApp({ redis });
      const resp = await request(app)
        .get('/api/logs')
        .query({ projectName, limit: 1000 });

      expect(resp.status).toBe(200);
      expect(resp.body.logs.length).toBe(1);
      expect(resp.body.logs[0].id).toBe('new');

      const listItems = await redis.lRange(key, 0, -1);
      expect(listItems.length).toBe(1);
    } finally {
      process.env.LOG_TTL_MS = prev;
    }
  });

  it('GET /api/logs prunes logs older than 24h and returns latest', async () => {
    const now = Date.now();
    const projectName = 'Demo';
    const key = `${projectName}_项目控制台`;
    const redis = createFakeRedis({
      [key]: [
        JSON.stringify({
          id: 'old',
          timestamp: new Date(now - 25 * 60 * 60 * 1000).toISOString(),
          level: 'info',
          message: 'old',
        }),
        JSON.stringify({
          id: 'new',
          timestamp: new Date(now - 1000).toISOString(),
          level: 'info',
          message: 'new',
        }),
      ],
    });

    const app = createApp({ redis });
    const resp = await request(app).get('/api/logs').query({ projectName, limit: 1000 });

    expect(resp.status).toBe(200);
    expect(Array.isArray(resp.body.logs)).toBe(true);
    expect(resp.body.logs.length).toBe(1);
    expect(resp.body.logs[0]).toMatchObject({
      id: 'new',
      message: 'new',
    });

    const listItems = await redis.lRange(key, 0, -1);
    expect(listItems.length).toBe(1);
    expect(JSON.parse(listItems[0]).id).toBe('new');
  });

  it('GET /api/logs keeps unix-second timestamps and prunes correctly', async () => {
    const now = Date.now();
    const nowSec = Math.floor(now / 1000);
    const projectName = 'Demo';
    const key = `${projectName}_项目控制台`;
    const redis = createFakeRedis({
      [key]: [
        JSON.stringify({
          id: 'old',
          timestamp: nowSec - 25 * 60 * 60,
          level: 'info',
          message: 'old',
        }),
        JSON.stringify({
          id: 'new',
          timestamp: nowSec - 1,
          level: 'info',
          message: 'new',
        }),
      ],
    });

    const app = createApp({ redis });
    const resp = await request(app)
      .get('/api/logs')
      .query({ projectName, limit: 1000 });

    expect(resp.status).toBe(200);
    expect(Array.isArray(resp.body.logs)).toBe(true);
    expect(resp.body.logs.length).toBe(1);
    expect(resp.body.logs[0]).toMatchObject({
      id: 'new',
      message: 'new',
    });

    const listItems = await redis.lRange(key, 0, -1);
    expect(listItems.length).toBe(1);
    expect(JSON.parse(listItems[0]).id).toBe('new');
  });

  it('GET /api/logs keeps numeric-string unix-second timestamps and prunes correctly', async () => {
    const now = Date.now();
    const nowSec = Math.floor(now / 1000);
    const projectName = 'Demo';
    const key = `${projectName}_项目控制台`;
    const redis = createFakeRedis({
      [key]: [
        JSON.stringify({
          id: 'old',
          timestamp: String(nowSec - 25 * 60 * 60),
          level: 'info',
          message: 'old',
        }),
        JSON.stringify({
          id: 'new',
          timestamp: String(nowSec - 1),
          level: 'info',
          message: 'new',
        }),
      ],
    });

    const app = createApp({ redis });
    const resp = await request(app)
      .get('/api/logs')
      .query({ projectName, limit: 1000 });

    expect(resp.status).toBe(200);
    expect(Array.isArray(resp.body.logs)).toBe(true);
    expect(resp.body.logs.length).toBe(1);
    expect(resp.body.logs[0]).toMatchObject({
      id: 'new',
      message: 'new',
    });

    const listItems = await redis.lRange(key, 0, -1);
    expect(listItems.length).toBe(1);
    expect(JSON.parse(listItems[0]).id).toBe('new');
  });

  it('GET /api/logs does not delete plain-string log lines', async () => {
    const projectName = 'Demo';
    const key = `${projectName}_项目控制台`;
    const redis = createFakeRedis({
      [key]: [ 'plain log line' ],
    });

    const app = createApp({ redis });
    const resp = await request(app)
      .get('/api/logs')
      .query({ projectName, limit: 1000 });

    expect(resp.status).toBe(200);
    expect(resp.body.logs.length).toBe(1);
    expect(resp.body.logs[0].message).toBe('plain log line');

    const listItems = await redis.lRange(key, 0, -1);
    expect(listItems.length).toBe(1);
    expect(listItems[0]).toBe('plain log line');
  });

  it('GET /api/logs does not delete logs with non-epoch numeric timestamps', async () => {
    const projectName = 'Demo';
    const key = `${projectName}_项目控制台`;
    const redis = createFakeRedis({
      [key]: [
        JSON.stringify({
          id: 'x',
          timestamp: 12345,
          level: 'info',
          message: 'x',
        }),
      ],
    });

    const app = createApp({ redis });
    const resp = await request(app)
      .get('/api/logs')
      .query({ projectName, limit: 1000 });

    expect(resp.status).toBe(200);
    expect(resp.body.logs.length).toBe(1);
    expect(resp.body.logs[0].message).toBe('x');

    const listItems = await redis.lRange(key, 0, -1);
    expect(listItems.length).toBe(1);
    expect(JSON.parse(listItems[0]).id).toBe('x');
  });

  it('POST /api/logs/clear deletes all logs for project', async () => {
    const projectName = 'Demo';
    const key = `${projectName}_项目控制台`;
    const redis = createFakeRedis({
      [key]: [
        JSON.stringify({
          id: 'a',
          timestamp: new Date().toISOString(),
          level: 'info',
          message: 'a',
        }),
      ],
    });

    const app = createApp({ redis });
    const resp = await request(app).post('/api/logs/clear').send({ projectName });

    expect(resp.status).toBe(200);
    expect(resp.body.success).toBe(true);

    const listItems = await redis.lRange(key, 0, -1);
    expect(listItems.length).toBe(0);
  });
});