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

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

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

model Instance {
  id        String     @id @default(uuid(7))
  name      String
  icon      String?
  createdAt DateTime   @default(now())
  updatedAt DateTime   @updatedAt
  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
  createdAt   DateTime      @default(now())
  updatedAt   DateTime      @updatedAt
  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
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  @@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
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@unique([userId])
}

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

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

model ChannelPin {
  messageId String @unique
  channelId String @unique

  Message   Message  @relation(fields: [messageId], references: [id])
  Channel   Channel  @relation(fields: [channelId], references: [id])
  createdAt DateTime @default(now())

  @@unique([messageId, channelId])
}

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

model Reply {
  message     Message  @relation("MessageToReply", fields: [messageId], references: [id]) //message text 
  messageId   String   @unique //message id of the reply
  repliesTo   Message  @relation("ReplyToMessage", fields: [repliesToId], references: [id]) //message id that this message replies to
  repliesToId String   @unique //replies to this message id
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  @@unique([messageId, repliesToId])
}

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

  @@unique([messageId, pingsUserId])
}