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

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

model Instance {
  id       String     @id @default(uuid(7))
  name     String
  icon     String?
  Role     Role[]
  Category Category[]
}

model User {
  id          String        @id @default(uuid(7))
  username    String
  nickname    String?
  bio         String?
  picture     String?
  banner      String?
  admin       Boolean
  status      String // online/offline/dnd/idle/invis
  Role        Role[]
  UserAuth    UserAuth?
  Message     Message[]
  MessagePing MessagePing[]
}

model Role {
  User        User     @relation(fields: [userId], references: [id])
  userId      String
  Instance    Instance @relation(fields: [instanceId], references: [id])
  instanceId  String
  type        String

  @@unique([userId, instanceId])
}

model UserAuth {
  User     User    @relation(fields: [userId], references: [id])
  userId   String
  password String // HASHED PASSWORD AS STRING USING SHA-256
  token    String? // current user token

  @@unique([userId])
}

model Category {
  id         String    @id @default(uuid(7))
  Instance   Instance? @relation(fields: [instanceId], references: [id])
  instanceId String?
  name       String
  position   Int
  Channel    Channel[]
  Message    Message[]
}

model Channel {
  id          String    @id @default(uuid(7))
  type        String
  Category    Category? @relation(fields: [categoryId], references: [id])
  categoryId  String?
  name        String
  description String
  Message     Message[]
}

model Message {
  id          String        @id @default(uuid(7))
  Channel     Channel?      @relation(fields: [channelId], references: [id])
  channelId   String?
  Category    Category?     @relation(fields: [categoryId], references: [id])
  categoryId  String?
  User        User?         @relation(fields: [userId], references: [id])
  userId      String?
  deleted     Boolean
  text        String
  replies     Reply[]       @relation("MessageToReply")
  repliedTo   Reply[]       @relation("ReplyToMessage")
  MessagePing MessagePing[]
}

model Reply {
  message     Message @relation("MessageToReply", fields: [messageId], references: [id])
  messageId   String
  repliesTo   Message @relation("ReplyToMessage", fields: [repliesToId], references: [id])
  repliesToId String

  @@unique([messageId, repliesToId])
}

model MessagePing {
  Message     Message @relation(fields: [messageId], references: [id])
  messageId   String
  PingsUser   User    @relation(fields: [pingsUserId], references: [id])
  pingsUserId String

  @@unique([messageId, pingsUserId])
}