generator client_msg {
  provider = "prisma-client-js"
  output   = "clients/msg"
}

datasource db_msg {
  provider = "postgresql"
  url      = env("DATABASE_URL_MSG")
}

model Conversations {
  id            String             @id @default(uuid())
  subject       String?            @default("New Conversation")
  status        ConversationStatus @default(active)
  priority      Priority           @default(normal)
  category      String?
  userId        String
  adminId       String?
  createdAt     DateTime           @default(now())
  updatedAt     DateTime           @updatedAt
  lastMessageAt DateTime?
  metadata      Json?              @default("{}")
  messages      Messages[]

  @@map("conversations")
}

model Messages {
  id             String        @id @default(uuid())
  conversationId String
  content        String
  messageType    MessageType   @default(text)
  senderId       String
  senderType     SenderType
  senderName     String?
  status         MessageStatus @default(sent)
  readAt         DateTime?
  deliveredAt    DateTime?
  metadata       Json?         @default("{}")
  createdAt      DateTime      @default(now())
  updatedAt      DateTime      @updatedAt
  conversation   Conversations @relation(fields: [conversationId], references: [id], onDelete: Cascade)

  @@index([conversationId])
  @@index([senderId])
  @@index([createdAt])
  @@index([status])
  @@map("messages")
}

model MessageAttachments {
  id           String   @id @default(uuid())
  messageId    String
  fileName     String
  fileSize     Int
  mimeType     String
  fileUrl      String
  thumbnailUrl String?
  metadata     Json?    @default("{}")
  createdAt    DateTime @default(now())

  @@index([messageId])
  @@map("message_attachments")
}

model TypingIndicators {
  id             String     @id @default(uuid())
  conversationId String
  userId         String
  userType       SenderType
  startedAt      DateTime   @default(now())

  @@unique([conversationId, userId])
  @@index([conversationId])
  @@map("typing_indicators")
}

model ConversationParticipants {
  id             String          @id @default(uuid())
  conversationId String
  userId         String
  userType       SenderType
  role           ParticipantRole @default(member)
  joinedAt       DateTime        @default(now())
  leftAt         DateTime?

  @@unique([conversationId, userId])
  @@index([conversationId])
  @@index([userId])
  @@map("conversation_participants")
}

enum ConversationStatus {
  active
  closed
  archived
}

enum Priority {
  low
  normal
  high
  urgent
}

enum MessageType {
  text
  image
  file
  audio
  video
  location
  contact
}

enum SenderType {
  admin
  user
  system
}

enum MessageStatus {
  sent
  delivered
  read
  failed
}

enum ParticipantRole {
  admin
  member
  observer
}