datewise/prisma/schema.prisma

// Datewise data model. Postgres is required: reservations rely on row locks.
generator client {
  provider        = "prisma-client-js"
  previewFeatures = ["queryCompiler", "driverAdapters"]
  engineType      = "client"
}

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

// Required by @shopify/shopify-app-session-storage-prisma
model Session {
  id            String    @id
  shop          String
  state         String
  isOnline      Boolean   @default(false)
  scope         String?
  expires       DateTime?
  accessToken   String
  userId        BigInt?
  firstName     String?
  lastName      String?
  email         String?
  accountOwner  Boolean   @default(false)
  locale        String?
  collaborator  Boolean?  @default(false)
  emailVerified Boolean?  @default(false)
  refreshToken          String?
  refreshTokenExpires   DateTime?
}

model Shop {
  id               String   @id @default(cuid())
  domain           String   @unique
  currency         String   @default("CAD")
  timezone         String   @default("America/Toronto")
  /// ShopSettings JSON (holds, reschedule policy, reminders, mixed-cart policy, widget text)
  settings         Json
  /// Incremented on every config change; stored on bookings as the rule version used.
  configVersion    Int      @default(1)
  plan             String   @default("free")
  feeProductId     String?
  installedAt      DateTime @default(now())
  uninstalledAt    DateTime?
  locations        Location[]
  rules            ProductRule[]
  peakDays         PeakDay[]
  bookings         Booking[]
  holds            Hold[]
  counters         CapacityCounter[]
  waitlist         WaitlistEntry[]
  reminderJobs     ReminderJob[]
  events           BookingEvent[]
}

model Location {
  id                 String   @id @default(cuid())
  shopId             String
  shop               Shop     @relation(fields: [shopId], references: [id], onDelete: Cascade)
  shopifyLocationId  String?
  name               String
  address            String
  timezone           String
  lat                Float?
  lng                Float?
  enabled            Boolean  @default(true)
  priority           Int      @default(1)
  pickupInstructions String?
  /// Partial<Record<Method, MethodConfig>>
  methods            Json
  /// DateException[]
  exceptions         Json     @default("[]")
  /// DeliveryZone[]
  zones              Json     @default("[]")
  createdAt          DateTime @default(now())
  updatedAt          DateTime @updatedAt

  @@index([shopId])
}

model ProductRule {
  id        String   @id @default(cuid())
  shopId    String
  shop      Shop     @relation(fields: [shopId], references: [id], onDelete: Cascade)
  name      String
  enabled   Boolean  @default(true)
  priority  Int      @default(10)
  target    Json
  action    Json
  message   String?
  updatedAt DateTime @updatedAt

  @@index([shopId])
}

model PeakDay {
  id               String   @id @default(cuid())
  shopId           String
  shop             Shop     @relation(fields: [shopId], references: [id], onDelete: Cascade)
  name             String
  dates            String[]
  locationIds      String[]
  methods          String[]
  dailyCapacity    Int?
  slotCapacity     Int?
  extraPrepMinutes Int      @default(0)
  cutoffDaysBefore Int?
  cutoffTime       String?
  surcharge        Int      @default(0)
  waitlist         Boolean  @default(false)
  message          String?

  @@index([shopId])
}

/// One row per (location, method, date, slot). slot = "*" is the day total.
/// Counts confirmed bookings + live holds. Mutated only inside row-locked transactions.
model CapacityCounter {
  shopId     String
  shop       Shop   @relation(fields: [shopId], references: [id], onDelete: Cascade)
  locationId String
  method     String
  date       String
  slot       String
  count      Int    @default(0)

  @@id([shopId, locationId, method, date, slot])
}

model Hold {
  token      String   @id
  shopId     String
  shop       Shop     @relation(fields: [shopId], references: [id], onDelete: Cascade)
  locationId String
  method     String
  date       String
  slot       String
  expiresAt  DateTime
  /// Fee quoted to the customer for this selection (minor units); re-checked against the paid order.
  fee        Int      @default(0)
  createdAt  DateTime @default(now())

  @@index([shopId, locationId, method, date])
  @@index([expiresAt])
}

model Booking {
  id              String   @id @default(cuid())
  shopId          String
  shop            Shop     @relation(fields: [shopId], references: [id], onDelete: Cascade)
  orderId         String?
  orderName       String?
  status          String   // confirmed | needs_review | cancelled | fulfilled
  reviewReason    String?
  method          String
  locationId      String?
  date            String?  // local YYYY-MM-DD
  slotStart       String?  // local HH:MM
  slotEnd         String?
  timezone        String
  startUtc        DateTime?
  endUtc          DateTime?
  customerName    String?
  customerEmail   String?
  customerPhone   String?
  address         Json?
  items           Json?
  fee             Int      @default(0)
  peakDayId       String?
  rescheduleCount Int      @default(0)
  configVersion   Int
  /// Snapshot of what the customer agreed to (method, location, slot, fee, rules matched)
  snapshot        Json
  createdAt       DateTime @default(now())
  updatedAt       DateTime @updatedAt
  events          BookingEvent[]
  reminderJobs    ReminderJob[]

  @@unique([shopId, orderId])
  @@index([shopId, date])
  @@index([shopId, status])
}

model BookingEvent {
  id        String   @id @default(cuid())
  shopId    String
  shop      Shop     @relation(fields: [shopId], references: [id], onDelete: Cascade)
  bookingId String
  booking   Booking  @relation(fields: [bookingId], references: [id], onDelete: Cascade)
  actor     String   // system | merchant:<staff id> | customer
  action    String   // confirmed | flagged | rescheduled | cancelled | resolved
  before    Json?
  after     Json?
  at        DateTime @default(now())

  @@index([bookingId])
}

model WaitlistEntry {
  id         String    @id @default(cuid())
  shopId     String
  shop       Shop      @relation(fields: [shopId], references: [id], onDelete: Cascade)
  locationId String
  method     String
  date       String
  slot       String    // "*" = any slot that day
  email      String?
  phone      String?
  name       String?
  createdAt  DateTime  @default(now())
  offeredAt  DateTime?
  /// Hold token reserved for this person when a place is offered.
  offerToken String?

  @@index([shopId, locationId, method, date])
}

model ReminderJob {
  id        String    @id @default(cuid())
  shopId    String
  shop      Shop      @relation(fields: [shopId], references: [id], onDelete: Cascade)
  bookingId String
  booking   Booking   @relation(fields: [bookingId], references: [id], onDelete: Cascade)
  policyId  String
  channel   String
  sendAt    DateTime
  body      String
  status    String    @default("pending") // pending | sent | failed | cancelled
  attempts  Int       @default(0)
  lastError String?
  sentAt    DateTime?

  @@index([status, sendAt])
}

/// Webhook idempotency: Shopify may deliver the same event more than once.
model ProcessedWebhook {
  id         String   @id // X-Shopify-Event-Id (falls back to webhook id)
  topic      String
  shop       String
  receivedAt DateTime @default(now())
}