generator client {
  provider = "prisma-client-js"
  output   = "../node_modules/.prisma/client"
}

datasource db {
  provider = "postgresql"
}

model User {
  id           String        @id @default(cuid())
  email        String        @unique
  username     String        @unique
  password     String
  role         String        @default("user")
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  activities   Activity[]
  canvases     Canvas[]
  following    Follow[]      @relation("follower")
  followers    Follow[]      @relation("following")
  groupMembers GroupMember[]
  profile      Profile?
}

model Profile {
  id             String   @id @default(cuid())
  userId         String   @unique
  displayName    String
  bio            String   @default("")
  avatar         String   @default("")
  canvasCount    Int      @default(0)
  followerCount  Int      @default(0)
  followingCount Int      @default(0)
  joinedAt       DateTime @default(now())
  user           User     @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model Canvas {
  id        String   @id
  name      String
  ownerId   String
  groupId   String?
  isPublic  Boolean  @default(false)
  nodes     Json     @default("[]")
  edges     Json     @default("[]")
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  group     Group?   @relation(fields: [groupId], references: [id])
  owner     User     @relation(fields: [ownerId], references: [id], onDelete: Cascade)
}

model Group {
  id          String        @id @default(cuid())
  name        String
  description String        @default("")
  isPublic    Boolean       @default(true)
  ownerId     String
  createdAt   DateTime      @default(now())
  updatedAt   DateTime      @updatedAt
  controlType String?       @default("REMOTE")
  canvases    Canvas[]
  members     GroupMember[]
  Kiosk       Kiosk[]
}

model GroupMember {
  id       String   @id @default(cuid())
  userId   String
  groupId  String
  role     String   @default("member")
  joinedAt DateTime @default(now())
  group    Group    @relation(fields: [groupId], references: [id], onDelete: Cascade)
  user     User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, groupId])
}

model Activity {
  id         String   @id @default(cuid())
  userId     String
  action     String
  targetId   String
  targetType String
  timestamp  DateTime @default(now())
  metadata   String?
  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model Follow {
  id          String   @id @default(cuid())
  followerId  String
  followingId String
  since       DateTime @default(now())
  follower    User     @relation("follower", fields: [followerId], references: [id], onDelete: Cascade)
  following   User     @relation("following", fields: [followingId], references: [id], onDelete: Cascade)

  @@unique([followerId, followingId])
}

model Kiosk {
  id        String   @id
  name      String
  location  String?
  groupId   String
  status    String   @default("offline")
  lastSeen  DateTime @default(now())
  createdAt DateTime @default(now())
  Group     Group    @relation(fields: [groupId], references: [id])
}