import type { DashboardStats, AuditLog, TrendPoint } from '@/types/admin'

function makeTrend(days: number, base: number, variance: number): TrendPoint[] {
  return Array.from({ length: days }, (_, i) => {
    const d = new Date()
    d.setDate(d.getDate() - (days - 1 - i))
    return {
      date: d.toISOString().split('T')[0],
      value: Math.max(0, base + Math.round((Math.random() - 0.5) * variance)),
    }
  })
}

export const MOCK_DASHBOARD_STATS: DashboardStats = {
  totalUsers: 1286,
  newUsersToday: 23,
  activeUsersToday: 347,
  totalKnowledgeBases: 892,
  newKbsToday: 15,
  totalAiCallsToday: 4521,
  totalFiles: 3412,
  totalStorageBytes: 15_728_640_000,
  userTrend: makeTrend(30, 40, 30),
  aiCallTrend: makeTrend(30, 150, 100),
}

export const MOCK_AUDIT_LOGS: AuditLog[] = [
  {
    id: 'log-001',
    adminUserId: 'admin-001',
    adminUserEmail: 'admin@longde.cloud',
    adminUserDisplayName: '超级管理员',
    action: 'LOGIN',
    resourceType: null,
    resourceId: null,
    beforeJson: null,
    afterJson: null,
    ip: '120.53.227.155',
    userAgent: 'Chrome/130.0',
    createdAt: new Date(Date.now() - 1000 * 60 * 5).toISOString(),
  },
  {
    id: 'log-002',
    adminUserId: 'admin-001',
    adminUserEmail: 'admin@longde.cloud',
    adminUserDisplayName: '超级管理员',
    action: 'CREATE_ADMIN',
    resourceType: 'AdminUser',
    resourceId: 'admin-002',
    beforeJson: null,
    afterJson: { email: 'ops@longde.cloud', role: 'OPERATIONS' },
    ip: '120.53.227.155',
    userAgent: 'Chrome/130.0',
    createdAt: new Date(Date.now() - 1000 * 60 * 30).toISOString(),
  },
  {
    id: 'log-003',
    adminUserId: 'admin-002',
    adminUserEmail: 'ops@longde.cloud',
    adminUserDisplayName: '运营小王',
    action: 'UPDATE_USER_STATUS',
    resourceType: 'User',
    resourceId: 'user-123',
    beforeJson: { status: 'active' },
    afterJson: { status: 'disabled' },
    ip: '120.53.227.156',
    userAgent: 'Firefox/132.0',
    createdAt: new Date(Date.now() - 1000 * 60 * 60).toISOString(),
  },
  {
    id: 'log-004',
    adminUserId: 'admin-001',
    adminUserEmail: 'admin@longde.cloud',
    adminUserDisplayName: '超级管理员',
    action: 'DELETE_FILE',
    resourceType: 'UploadedFile',
    resourceId: 'file-456',
    beforeJson: { filename: '违规内容.pdf' },
    afterJson: null,
    ip: '120.53.227.155',
    userAgent: 'Chrome/130.0',
    createdAt: new Date(Date.now() - 1000 * 60 * 60 * 2).toISOString(),
  },
  {
    id: 'log-005',
    adminUserId: 'admin-001',
    adminUserEmail: 'admin@longde.cloud',
    adminUserDisplayName: '超级管理员',
    action: 'LOGIN_FAILED',
    resourceType: null,
    resourceId: null,
    beforeJson: null,
    afterJson: null,
    ip: '10.0.0.1',
    userAgent: null,
    createdAt: new Date(Date.now() - 1000 * 60 * 60 * 3).toISOString(),
  },
]