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

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

model User {
  id                       String    @id @default(cuid())
  email                    String    @unique
  passwordHash             String
  name                     String
  resetToken               String?   @unique
  resetTokenExpiry         DateTime?
  emailVerified            Boolean   @default(false)
  verificationToken        String?   @unique
  verificationTokenExpiry  DateTime?
  notifyOnRsvp             Boolean   @default(true)
  notifyOnComment          Boolean   @default(true)
  notifyOnCoHostAccepted   Boolean   @default(true)
  createdAt                DateTime  @default(now())

  sessions            Session[]
  events              Event[]
  collaboratorInvites EventCollaborator[]
  pushSubscriptions   PushSubscription[]
}

model PushSubscription {
  id        String   @id @default(cuid())
  userId    String
  endpoint  String   @unique
  p256dh    String
  auth      String
  createdAt DateTime @default(now())

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
}

model Session {
  id        String   @id @default(cuid())
  userId    String
  expiresAt DateTime
  createdAt DateTime @default(now())

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
}

enum RsvpStatus {
  YES
  NO
  MAYBE
}

enum CollaboratorStatus {
  PENDING
  ACCEPTED
}

model Event {
  id              String    @id @default(cuid())
  hostId          String
  title           String
  occasion        String    @default("")
  description     String    @default("")
  contactInfo     String    @default("")
  theme           String    @default("classic-elegant")
  timezone        String    @default("UTC")
  eventDate       DateTime
  endDate         DateTime?
  location        String    @default("")
  slug            String    @unique
  rsvpDeadline    DateTime?
  restrictRsvpToInvited Boolean @default(false)
  allowPlusOnes   Boolean   @default(true)
  commentsEnabled Boolean   @default(true)
  foodProvided    Boolean   @default(false)
  drinksProvided  Boolean   @default(false)
  photosEnabled   Boolean   @default(true)
  photoCloseDate  DateTime?
  photosClosed    Boolean   @default(false)
  createdAt       DateTime  @default(now())
  updatedAt       DateTime  @updatedAt

  host          User                @relation(fields: [hostId], references: [id], onDelete: Cascade)
  rsvps         Rsvp[]
  comments      Comment[]
  guestInvites  GuestInvite[]
  collaborators EventCollaborator[]
  photos        Photo[]

  @@index([hostId])
}

model Photo {
  id           String   @id @default(cuid())
  eventId      String
  filename     String
  uploaderName String   @default("")
  hidden       Boolean  @default(false)
  createdAt    DateTime @default(now())

  event Event @relation(fields: [eventId], references: [id], onDelete: Cascade)

  @@index([eventId])
}

model EventCollaborator {
  id           String             @id @default(cuid())
  eventId      String
  invitedEmail String
  userId       String?
  status       CollaboratorStatus @default(PENDING)
  token        String             @unique
  createdAt    DateTime           @default(now())
  expiresAt    DateTime
  acceptedAt   DateTime?

  event Event @relation(fields: [eventId], references: [id], onDelete: Cascade)
  user  User? @relation(fields: [userId], references: [id], onDelete: SetNull)

  @@unique([eventId, invitedEmail])
  @@index([eventId])
}

model Rsvp {
  id         String     @id @default(cuid())
  eventId    String
  guestName  String
  // Exactly one of these identifies the guest, depending on whether they
  // RSVP'd via the web form (email) or by replying to an SMS invite
  // (phone) - enforced by a CHECK constraint added in the migration since
  // Prisma's schema language doesn't express "at least one of" directly.
  guestEmail String?
  guestPhone String?
  status     RsvpStatus
  numGuests  Int        @default(1)
  note       String      @default("")
  createdAt  DateTime   @default(now())
  updatedAt  DateTime   @updatedAt

  event Event @relation(fields: [eventId], references: [id], onDelete: Cascade)

  @@unique([eventId, guestEmail])
  @@unique([eventId, guestPhone])
}

model GuestInvite {
  id      String @id @default(cuid())
  eventId String
  // Exactly one of email/phone identifies this guest-list entry (CHECK
  // constraint added in the migration).
  email   String?
  phone   String?
  name    String @default("")
  // Being on this list (guest-list membership, used to gate RSVPs when
  // Event.restrictRsvpToInvited is on, and to route an inbound SMS reply to
  // the right event) is independent of whether the invite itself actually
  // went out - emailSent/smsSent are purely informational.
  emailSent Boolean  @default(false)
  smsSent   Boolean  @default(false)
  sentAt    DateTime @default(now())

  event Event @relation(fields: [eventId], references: [id], onDelete: Cascade)

  @@unique([eventId, email])
  @@unique([eventId, phone])
}

model Comment {
  id          String   @id @default(cuid())
  eventId     String
  authorName  String
  authorEmail String   @default("")
  body        String
  hidden      Boolean  @default(false)
  createdAt   DateTime @default(now())

  event Event @relation(fields: [eventId], references: [id], onDelete: Cascade)

  @@index([eventId])
}