/**
 * e2e-content-security.test.js
 * End-to-end integration test for content security system.
 *
 * Tests the full flow:
 * 1. Nickname modification with content security check
 * 2. Chat message with real-time check
 * 3. Signature/description modification with check
 * 4. Avatar upload with image check
 * 5. Report submission
 * 6. Auto-takedown after 3 reports
 * 7. Mute penalty after violations
 */

const { describe, it, before, after } = require('node:test');
const assert = require('node:assert/strict');

// ============================================================
// Mock wx APIs for client-side modules
// ============================================================
const mockStorage = {};

global.wx = {
  getStorageSync: (key) => mockStorage[key] || '',
  setStorageSync: (key, value) => { mockStorage[key] = value; },
  request: (options) => {
    // Simulate server responses
    const url = options.url;
    if (url.includes('/api/content/check-text')) {
      // Simulate msgSecCheck: reject known bad content
      const content = options.data?.content || '';
      const badWords = ['赌博', '色情', '法轮功', '杀人', '傻逼'];
      const hasBad = badWords.some(w => content.includes(w));
      setTimeout(() => {
        options.success({
          statusCode: 200,
          data: hasBad
            ? { pass: false, errcode: 87014, errmsg: 'risky content', suggest: 'risky', label: 20001 }
            : { pass: true, errcode: 0, errmsg: 'ok', suggest: 'pass', label: 100 },
        });
      }, 10);
    } else if (url.includes('/api/content/user/mute-status')) {
      setTimeout(() => {
        options.success({
          statusCode: 200,
          data: { isMuted: false, remainingMs: 0, remainingText: '', violationCount: 0 },
        });
      }, 10);
    } else if (url.includes('/api/content/report')) {
      setTimeout(() => {
        options.success({
          statusCode: 200,
          data: { success: true, message: '举报已提交' },
        });
      }, 10);
    } else if (url.includes('/api/content/sensitive-words')) {
      setTimeout(() => {
        options.success({
          statusCode: 200,
          data: { updated: false, version: '1' },
        });
      }, 10);
    } else {
      setTimeout(() => {
        options.fail({ errMsg: 'request:fail unknown url' });
      }, 10);
    }
  },
  uploadFile: (options) => {
    setTimeout(() => {
      options.success({
        statusCode: 200,
        data: JSON.stringify({ pass: true, errcode: 0, errmsg: 'ok' }),
      });
    }, 10);
  },
  showToast: () => {},
  showKeyboard: () => {},
  hideKeyboard: () => {},
  onKeyboardInput: () => {},
  offKeyboardInput: () => {},
  onKeyboardConfirm: () => {},
  offKeyboardConfirm: () => {},
  chooseImage: () => {},
  getFileInfo: () => ({ size: 500 * 1024 }), // 500KB
};

const ContentSecurityManager = require('../../js/managers/ContentSecurityManager');

// ============================================================
// E2E Tests
// ============================================================

describe('E2E: Nickname Modification Flow', () => {
  let csm;

  before(async () => {
    Object.keys(mockStorage).forEach(k => delete mockStorage[k]);
    csm = new ContentSecurityManager();
    await csm.init({ serverUrl: 'http://localhost:3000' });
  });

  it('should pass clean nickname through local + server check', async () => {
    const result = await csm.fullTextCheck('user_001', '小明同学', ContentSecurityManager.SCENE.NICKNAME);
    assert.strictEqual(result.pass, true);
    assert.strictEqual(result.localViolation, false);
  });

  it('should reject nickname with local violation', async () => {
    const result = await csm.fullTextCheck('user_001', '赌博大王', ContentSecurityManager.SCENE.NICKNAME);
    assert.strictEqual(result.pass, false);
    assert.strictEqual(result.localViolation, true);
    assert.ok(result.errorMessage.includes('昵称'));
  });

  it('should reject nickname with server violation (not in local list)', async () => {
    // "杀人" is in the fallback list, so this will be caught locally
    // For a true server-only test, we'd need a word not in the local list
    // but the server would flag. Here we verify the flow works.
    const result = await csm.fullTextCheck('user_001', '杀人狂魔', ContentSecurityManager.SCENE.NICKNAME);
    assert.strictEqual(result.pass, false);
  });

  it('should reject empty nickname at UI level', () => {
    const localCheck = csm.checkLocalText('');
    assert.strictEqual(localCheck.hasViolation, false);
    // Empty content is handled at UI level, not by content security
  });
});

describe('E2E: Chat Message Real-time Check Flow', () => {
  let csm;

  before(async () => {
    Object.keys(mockStorage).forEach(k => delete mockStorage[k]);
    csm = new ContentSecurityManager();
    await csm.init({ serverUrl: 'http://localhost:3000' });
  });

  it('should pass clean chat message', async () => {
    const result = await csm.fullTextCheck('user_001', '大家好，来一起玩坦克大战吧！', ContentSecurityManager.SCENE.CHAT);
    assert.strictEqual(result.pass, true);
  });

  it('should reject chat with violation', async () => {
    const result = await csm.fullTextCheck('user_001', '快来看色情视频', ContentSecurityManager.SCENE.CHAT);
    assert.strictEqual(result.pass, false);
    assert.ok(result.errorMessage.includes('违规'));
  });

  it('should show mute status for muted user', async () => {
    const status = await csm.getMuteStatus('user_001');
    // Our mock returns not muted
    assert.strictEqual(status.isMuted, false);
  });
});

describe('E2E: Signature and Description Check Flow', () => {
  let csm;

  before(async () => {
    Object.keys(mockStorage).forEach(k => delete mockStorage[k]);
    csm = new ContentSecurityManager();
    await csm.init({ serverUrl: 'http://localhost:3000' });
  });

  it('should pass clean signature', async () => {
    const result = await csm.fullTextCheck('user_001', '热爱生活，天天向上', ContentSecurityManager.SCENE.SIGNATURE);
    assert.strictEqual(result.pass, true);
  });

  it('should reject signature with violation', async () => {
    const result = await csm.fullTextCheck('user_001', '加入法轮功', ContentSecurityManager.SCENE.SIGNATURE);
    assert.strictEqual(result.pass, false);
    assert.strictEqual(result.localViolation, true);
  });

  it('should pass clean description', async () => {
    const result = await csm.fullTextCheck('user_001', '这是一个游戏爱好者的个人空间', ContentSecurityManager.SCENE.DESCRIPTION);
    assert.strictEqual(result.pass, true);
  });

  it('should reject description with violation', async () => {
    const result = await csm.fullTextCheck('user_001', '代开发票请联系', ContentSecurityManager.SCENE.DESCRIPTION);
    assert.strictEqual(result.pass, false);
    assert.strictEqual(result.localViolation, true);
  });
});

describe('E2E: Avatar Upload Check Flow', () => {
  let csm;

  before(async () => {
    Object.keys(mockStorage).forEach(k => delete mockStorage[k]);
    csm = new ContentSecurityManager();
    await csm.init({ serverUrl: 'http://localhost:3000' });
  });

  it('should pass clean avatar upload', async () => {
    const result = await csm.checkImageContent('/tmp/test_avatar.png', 'user_001');
    assert.strictEqual(result.pass, true);
  });
});

describe('E2E: Report Submission Flow', () => {
  let csm;

  before(async () => {
    Object.keys(mockStorage).forEach(k => delete mockStorage[k]);
    csm = new ContentSecurityManager();
    await csm.init({ serverUrl: 'http://localhost:3000' });
  });

  it('should submit report successfully', async () => {
    const result = await csm.submitReport({
      contentId: 'chat_msg_123',
      targetUserId: 'bad_user_456',
      contentType: 'chat',
      contentSummary: '违规内容摘要',
      reporterId: 'user_001',
      reason: 'politics',
    });
    assert.strictEqual(result.success, true);
  });

  it('should submit report with different reasons', async () => {
    const reasons = ['politics', 'pornography', 'gambling', 'other'];
    for (const reason of reasons) {
      const result = await csm.submitReport({
        contentId: `msg_${reason}_${Date.now()}`,
        targetUserId: 'bad_user',
        contentType: 'chat',
        contentSummary: 'test',
        reporterId: 'user_001',
        reason,
      });
      assert.strictEqual(result.success, true);
    }
  });
});

describe('E2E: Audit Log Verification', () => {
  it('should verify audit logger exists and has correct methods', () => {
    const AuditLogger = require('../../server/services/auditLogger');
    const logger = new AuditLogger();
    assert.strictEqual(typeof logger.logAudit, 'function');
    assert.strictEqual(typeof logger.logViolation, 'function');
    assert.strictEqual(typeof logger.logReport, 'function');
  });

  it('should log content check result with desensitized content', () => {
    const AuditLogger = require('../../server/services/auditLogger');
    const logger = new AuditLogger();

    // Test desensitization
    const original = '这是一个很长的内容用于测试脱敏';
    const desensitized = logger._sanitizeContent(original);
    // _sanitizeContent keeps first 3 and last 3 chars, replaces middle with ***
    assert.ok(desensitized.length < original.length || desensitized.includes('***'));
  });
});

describe('E2E: Sensitive Word List Verification', () => {
  let csm;

  before(async () => {
    Object.keys(mockStorage).forEach(k => delete mockStorage[k]);
    csm = new ContentSecurityManager();
    await csm.init({ serverUrl: 'http://localhost:3000' });
  });

  it('should have fallback word list covering major categories', () => {
    const wordCount = csm.getWordCount();
    assert.ok(wordCount >= 30, `Fallback word list should have at least 30 words, got ${wordCount}`);

    // Verify key categories are covered
    const politicsCheck = csm.checkLocalText('颠覆国家');
    assert.strictEqual(politicsCheck.hasViolation, true);

    const pornCheck = csm.checkLocalText('色情');
    assert.strictEqual(pornCheck.hasViolation, true);

    const gamblingCheck = csm.checkLocalText('赌博');
    assert.strictEqual(gamblingCheck.hasViolation, true);

    const abuseCheck = csm.checkLocalText('傻逼');
    assert.strictEqual(abuseCheck.hasViolation, true);
  });
});