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

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

model User {
  id           String        @id @default(cuid())
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  transactions Transaction[]
  wallets      Wallet[]
  categories   Category[]

  @@map("users")
}

model Wallet {
  id           String        @id @default(cuid())
  userId       String
  name         String
  kind         String        @default("money")
  currency     String?
  unit         String?
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  deletedAt    DateTime?
  transactions Transaction[]
  user         User          @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@map("wallets")
}

model Category {
  id        String   @id @default(cuid())
  userId    String
  name      String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, name])
  @@map("categories")
}

model Transaction {
  id        String   @id @default(cuid())
  userId    String
  walletId  String
  amount    Float
  direction String
  date      DateTime @default(now())
  category  String?
  memo      String?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  wallet    Wallet   @relation(fields: [walletId], references: [id], onDelete: Cascade)

  @@map("transactions")
}