generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

enum Role {
  ADMIN
  USER
}

enum SourceType {
  SQUARE_INVOICE
  SQUARE_PAYMENT
}

enum CandidateStatus {
  PENDING
  APPROVED
  REJECTED
}

model User {
  id           String   @id @default(uuid())
  email        String   @unique
  passwordHash String
  name         String
  role         Role     @default(USER)
  active       Boolean  @default(true)
  createdAt    DateTime @default(now())

  createdById String?
  createdBy   User?  @relation("UserCreatedBy", fields: [createdById], references: [id])
  createdUsers User[] @relation("UserCreatedBy")

  approvals CalendarCandidate[] @relation("ApprovedBy")
}

model CalendarCandidate {
  id                String           @id @default(uuid())
  sourceType        SourceType
  squareId          String
  squareEnvironment String
  status            CandidateStatus  @default(PENDING)
  // Square's own status (invoice: DRAFT/UNPAID/PAID/etc, payment: COMPLETED/etc) —
  // independent of our review `status` above, kept for filtering.
  squareStatus      String?

  title        String
  description  String?
  // When Square created the invoice/payment — distinct from `startAt` (the
  // event's own date/time). Square's own invoice list sorts by this.
  squareCreatedAt DateTime?
  startAt      DateTime
  endAt        DateTime
  allDay       Boolean  @default(false)
  location     String?
  customerName String?
  customerEmail String?
  amountCents  Int?
  currency     String?  @default("USD")

  rawPayload Json
  fetchedAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  approvedById String?
  approvedBy   User?     @relation("ApprovedBy", fields: [approvedById], references: [id])
  approvedAt   DateTime?
  rejectedAt   DateTime?

  caldavEventUid String? @unique
  caldavEventUrl String?
  caldavEtag     String?

  // Strike (teardown/pickup) as its own, separate calendar entry — often a
  // different day than the main event, so it gets its own CalDAV event too.
  hasStrike            Boolean   @default(false)
  strikeStartAt        DateTime?
  strikeEndAt          DateTime?
  strikeCaldavEventUid String?   @unique
  strikeCaldavEventUrl String?
  strikeCaldavEtag     String?

  @@unique([sourceType, squareId, squareEnvironment], name: "square_source_unique")
  @@index([status])
}

model SyncRun {
  id                String    @id @default(uuid())
  startedAt         DateTime  @default(now())
  finishedAt        DateTime?
  trigger           String
  invoicesFetched   Int       @default(0)
  paymentsFetched   Int       @default(0)
  candidatesCreated Int       @default(0)
  error             String?
}