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

datasource db {
  provider = "postgresql"
}

enum FlowStatus {
  pending
  running
  success
  failed
  cancelled
}

model User {
  id         String    @id @default(cuid())
  email      String    @unique
  pwd_hash   String
  created_at DateTime  @default(now())
  sessions   Session[]
  flow_runs  FlowRun[]
}

model Session {
  id         String   @id @default(cuid())
  user_id    String
  token_hash String   @unique
  expires_at DateTime
  user       User     @relation(fields: [user_id], references: [id], onDelete: Cascade)
}

model FlowRun {
  id         String     @id @default(cuid())
  user_id    String
  flow_key   String
  status     FlowStatus @default(pending)
  dry_run    Boolean    @default(false)
  started_at DateTime   @default(now())
  ended_at   DateTime?
  exit_code  Int?
  user       User       @relation(fields: [user_id], references: [id], onDelete: Cascade)
  steps      FlowStep[]
}

model FlowStep {
  id           String    @id @default(cuid())
  flow_run_id  String
  step_index   Int
  command_key  String
  args_json    String?
  stdout       String?
  stderr       String?
  exit_code    Int?
  started_at   DateTime  @default(now())
  ended_at     DateTime?
  flow_run     FlowRun   @relation(fields: [flow_run_id], references: [id], onDelete: Cascade)
}