import type { ListResponse, ItemResponse } from './types'

export type ActivityEventType =
  | 'PROPERTY_CREATED'
  | 'PROPERTY_UPDATED'
  | 'MATCH_APPROVED'
  | 'MATCH_REJECTED'
  | 'SIGNAL_VERIFIED'
  | 'NEED_CREATED'
  | 'REVIEW_REQUESTED'

export interface ActivityEvent {
  id: string
  type: ActivityEventType
  entityId: string
  entityType: 'PROPERTY' | 'MATCH' | 'NEED' | 'SIGNAL'
  performedBy: string
  organizationId: string
  notes?: string
  createdAt: string
}

const mockActivityLog: ActivityEvent[] = [
  { id: 'evt-001', type: 'PROPERTY_CREATED', entityId: 'prop-001', entityType: 'PROPERTY', performedBy: 'admin@ideal-sharing.ch', organizationId: 'org-wincasa', createdAt: '2025-01-10T08:00:00Z' },
  { id: 'evt-002', type: 'MATCH_APPROVED', entityId: 'match-003', entityType: 'MATCH', performedBy: 'admin@ideal-sharing.ch', organizationId: 'org-wincasa', notes: 'Starker Match bestätigt', createdAt: '2025-05-10T09:00:00Z' },
  { id: 'evt-003', type: 'SIGNAL_VERIFIED', entityId: 'signal-003', entityType: 'SIGNAL', performedBy: 'admin@ideal-sharing.ch', organizationId: 'org-wincasa', createdAt: '2025-05-05T09:00:00Z' },
]

const store = [...mockActivityLog]

export const governanceService = {
  async getActivityLog(organizationId?: string): Promise<ListResponse<ActivityEvent>> {
    const data = organizationId ? store.filter(e => e.organizationId === organizationId) : [...store]
    return { data: data.sort((a, b) => b.createdAt.localeCompare(a.createdAt)), meta: { total: data.length, page: 1, pageSize: data.length, hasMore: false } }
  },
  async logEvent(event: Omit<ActivityEvent, 'id' | 'createdAt'>): Promise<ItemResponse<ActivityEvent>> {
    const data: ActivityEvent = { id: crypto.randomUUID(), ...event, createdAt: new Date().toISOString() }
    store.push(data)
    return { data }
  },
}