import { randomUUID } from "node:crypto";

export type EventType =
  | "click"
  | "booking"
  | "offer_presented"
  | "payment_succeeded"
  | "payment_failed"
  | "refund"
  | "dispute"
  | "fulfillment_completed";

export type ConversionState =
  | "traffic"
  | "pipeline"
  | "revenue"
  | "retained"
  | "lost";

export interface CommercialEvent {
  id: string;
  type: EventType;
  timestamp: string;
  campaignId?: string;
  visitorId?: string;
  sessionId?: string;
  linkId?: string;
  bookingId?: string;
  offerId?: string;
  customerId?: string;
  paymentId?: string;
  amountCents?: number;
  currency?: string;
  refundCents?: number;
  fulfillmentCostCents?: number;
  routeId?: string;
  source: string;
  raw: Record<string, unknown>;
}

export interface Visitor {
  id: string;
  firstSeen: string;
  lastSeen: string;
  clickCount: number;
  bookingCount: number;
  paymentCount: number;
  totalRevenueCents: number;
  totalRefundCents: number;
}

export interface Customer {
  id: string;
  stripeCustomerId?: string;
  calendlyInviteeId?: string;
  visitorId?: string;
  email?: string;
  name?: string;
  totalRevenueCents: number;
  totalRefundCents: number;
  repeatPurchaseCount: number;
}

export interface Offer {
  id: string;
  campaignId: string;
  name: string;
  priceCents: number;
  currency: string;
  bookingType?: string;
  fulfillmentCostCents: number;
  refundProbability: number;
  active: boolean;
  metadata: Record<string, unknown>;
}

export interface Route {
  id: string;
  campaignId: string;
  offerId: string;
  linkId: string;
  bookingType?: string;
  expectedBookingProbability: number;
  expectedPaymentProbability: number;
  expectedPaymentCents: number;
  expectedRefundProbability: number;
  expectedFulfillmentCostCents: number;
  presentationCount: number;
  bookingCount: number;
  paymentCount: number;
  revenueCents: number;
  refundCents: number;
  retainedCents: number;
}

export interface LedgerEntry {
  event: CommercialEvent;
  conversionState: ConversionState;
  attributedRouteId?: string;
  attributedOfferId?: string;
  attributedCustomerId?: string;
  retainedCents?: number;
}