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

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

model User {
    id         Int        @id @default(autoincrement())
    pubkey     String     @unique
    username   String?    @unique
    avatar     String?
    purchased  Purchase[]
    courses    Course[]   // Relation field added for courses created by the user
    resources  Resource[] // Relation field added for resources created by the user
    role       Role?      @relation(fields: [roleId], references: [id])
    roleId     Int?
    createdAt  DateTime   @default(now())
    updatedAt  DateTime   @updatedAt
}

model Role {
    id    Int    @id @default(autoincrement())
    subscribed  Boolean @default(false)
    users User[]
}

model Purchase {
    id          Int       @id @default(autoincrement())
    user        User      @relation(fields: [userId], references: [id])
    userId      Int
    course      Course?   @relation(fields: [courseId], references: [id])
    courseId    Int?
    resource    Resource? @relation(fields: [resourceId], references: [id])
    resourceId  Int?
    amountPaid  Int       // in satoshis
    createdAt   DateTime  @default(now())
    updatedAt   DateTime  @updatedAt
}


model Course {
    id          Int        @id @default(autoincrement())
    userId      Int        // Field added to link a course to a user
    user        User       @relation(fields: [userId], references: [id]) // Relation setup for user
    price       Int        @default(0)
    resources   Resource[]
    purchases   Purchase[]
    noteId      String?    @unique
    createdAt   DateTime   @default(now())
    updatedAt   DateTime   @updatedAt
}

model Resource {
    id        Int        @id @default(autoincrement())
    userId    Int        // Field added to link a resource to a user
    user      User       @relation(fields: [userId], references: [id]) // Relation setup for user
    course    Course?    @relation(fields: [courseId], references: [id])
    courseId  Int?
    price     Int        @default(0)
    purchases Purchase[]
    noteId    String?    @unique
    createdAt DateTime   @default(now())
    updatedAt DateTime   @updatedAt
}