generator client {
    provider = "prisma-client-js"
    // include for node docker image
    binaryTargets = ["native", "debian-openssl-1.1.x"]
    previewFeatures = ["interactiveTransactions"]
}

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

model Listing {

    // example listingId 2148851036
    // works fine as a JS number
    // but JS numbers are cast to int4 for pg by prisma
    // becomes -2146116260
    id         BigInt      @id
    seller     BigInt
    data       Json

    wantId     String   @db.Uuid
    want       Want     @relation(fields: [wantId], references: [id], onDelete: Cascade, onUpdate: Cascade)

    offers     Offer[]

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

    @@index([seller])
    @@map("listings")
}

model User {
    id         String     @id       @default(dbgenerated("gen_random_uuid()")) @db.Uuid
    email      String     @unique
    password   String

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

    wants      Want[]
    offers     Offer[]

    @@map("users")
}

model Want {
    id         String     @id       @default(dbgenerated("gen_random_uuid()")) @db.Uuid
    release    BigInt
    data       Json

    userId     String     @db.Uuid
    user       User       @relation(fields: [userId], references: [id], onDelete: Cascade, onUpdate: Cascade)

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

    listings   Listing[]
    offers     Offer[]

    @@unique([userId, release])
    @@index([release])

    @@map("wants")
}

model Offer {
    id              String     @id       @default(dbgenerated("gen_random_uuid()")) @db.Uuid

    status          String
    condition       String               @default("")

    item            Decimal    @db.Money
    shipping        Decimal    @db.Money
    total           Decimal    @db.Money

    listingId       BigInt
    listing         Listing    @relation(fields: [listingId], references: [id])

    userId          String     @db.Uuid
    user            User       @relation(fields: [userId], references: [id], onDelete: Cascade)

    wantId          String     @db.Uuid
    want            Want       @relation(fields: [wantId], references: [id], onDelete: Cascade)

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

    // only one offer per want for a user
    // @@unique([userId, wantId])
    @@unique([listingId])
    @@map("offers")
}