frontend/src/types.ts

// Frontend-only type definitions for API payloads whose shapes live in
// `frontend/api/*.ts` but aren't exported as TypeScript types. Adding these
// lets us replace `any` in the page components without round-tripping the
// Vercel serverless handlers.

export interface DisbursementRecord {
  zone_id: string
  zone_name: string
  city: string
  settlement_type: string
  heat_vulnerability: string
  current_wbgt: number
  threshold: number
  triggers_payout: boolean
  workers: number
  payout_per_worker_usd: number
  payout_per_worker_tzs: number
  zone_total_usd: number
  zone_total_tzs: number
  provider: string
  status: 'pending' | 'no_trigger' | string
  past_disbursements: number
  past_total_usd: number
}

export interface DisbursementStats {
  total_usd: number
  total_tzs: number
  total_workers_paid: number
  zones_paying: number
  zones_total: number
  threshold_wbgt: number
}

export interface DisbursementsResponse {
  disbursements: DisbursementRecord[]
  stats: DisbursementStats
}

// ── Coverage recommendation: the extra fields the API returns that aren't
// yet declared in lib/api.ts. We merge these with the existing
// CoverageRecommendation type at the hook site.
export interface CoverageRecommendationFinancials {
  weekly_cost_total: number
  annual_cost_total: number
  annual_cost_per_worker: number
  total_workers: number
  payout_threshold_wbgt: number
}