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

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

model Org {
  id        String   @id @default(uuid())
  name      String
  slug      String   @unique
  createdAt DateTime @default(now())

  members      OrgUser[]
  sessions     Session[]
  machines     Machine[]
  heartbeats   MachineHeartbeat[]
  kpiSnapshots MachineKpiSnapshot[]
  events       MachineEvent[]
}

model User {
  id           String   @id @default(uuid())
  email        String   @unique
  name         String?
  passwordHash String
  isActive     Boolean  @default(true)
  createdAt    DateTime @default(now())

  orgs     OrgUser[]
  sessions Session[]
}

model OrgUser {
  id        String   @id @default(uuid())
  orgId     String
  userId    String
  role      String   @default("MEMBER") // OWNER | ADMIN | MEMBER
  createdAt DateTime @default(now())

  org  Org  @relation(fields: [orgId], references: [id], onDelete: Cascade)
  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([orgId, userId])
  @@index([userId])
  @@index([orgId])
}

model Session {
  id         String    @id @default(uuid()) // cookie value
  orgId      String
  userId     String
  createdAt  DateTime  @default(now())
  lastSeenAt DateTime  @default(now())
  expiresAt  DateTime
  revokedAt  DateTime?
  ip         String?
  userAgent  String?

  org  Org  @relation(fields: [orgId], references: [id], onDelete: Cascade)
  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@index([orgId])
  @@index([expiresAt])
}

model Machine {
  id        String   @id @default(uuid())
  orgId     String
  name      String
  apiKey    String?  @unique
  code      String?
  location  String?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  tsDevice  DateTime @default(now()) @map("ts")
  tsServer  DateTime @default(now()) @map("ts_server")
  schemaVersion String? @map("schema_version")
  seq       BigInt?  @map("seq")

  org          Org                  @relation(fields: [orgId], references: [id], onDelete: Cascade)
  heartbeats   MachineHeartbeat[]
  kpiSnapshots MachineKpiSnapshot[]
  events       MachineEvent[]
  cycles       MachineCycle[]


  @@unique([orgId, name])
  @@index([orgId])
}

model MachineHeartbeat {
  id        String   @id @default(uuid())
  orgId     String
  machineId String
  ts        DateTime @default(now())
  tsServer  DateTime @default(now()) @map("ts_server")
  schemaVersion String? @map("schema_version")
  seq       BigInt?  @map("seq")

  status    String
  message   String?
  ip        String?
  fwVersion String?

  org     Org     @relation(fields: [orgId], references: [id], onDelete: Cascade)
  machine Machine @relation(fields: [machineId], references: [id], onDelete: Cascade)

  @@index([orgId, machineId, ts])
}

model MachineKpiSnapshot {
  id        String   @id @default(uuid())
  orgId     String
  machineId String
  ts        DateTime @default(now())

  workOrderId String?
  sku         String?

  target      Int?
  good        Int?
  scrap       Int?
  cycleCount  Int?
  goodParts   Int?
  scrapParts  Int?
  cavities    Int?
  cycleTime   Float? // theoretical/target
  actualCycle Float? // if you want (optional)

  availability Float?
  performance  Float?
  quality      Float?
  oee          Float?

  trackingEnabled   Boolean?
  productionStarted Boolean?
  tsServer  DateTime @default(now()) @map("ts_server")
  schemaVersion String? @map("schema_version")
  seq       BigInt?  @map("seq")

  org     Org     @relation(fields: [orgId], references: [id], onDelete: Cascade)
  machine Machine @relation(fields: [machineId], references: [id], onDelete: Cascade)

  @@index([orgId, machineId, ts])
}

model MachineEvent {
  id        String   @id @default(uuid())
  orgId     String
  machineId String
  ts        DateTime @default(now())

  topic       String // "anomaly-detected"
  eventType   String // "slow-cycle"
  severity    String // "critical"
  requiresAck Boolean @default(false)
  title       String
  description String?
  tsServer  DateTime @default(now()) @map("ts_server")
  schemaVersion String? @map("schema_version")
  seq       BigInt?  @map("seq")

  // store the raw data blob so we don't lose fields
  data Json?

  workOrderId String?
  sku         String?

  org     Org     @relation(fields: [orgId], references: [id], onDelete: Cascade)
  machine Machine @relation(fields: [machineId], references: [id], onDelete: Cascade)

  @@index([orgId, machineId, ts])
  @@index([orgId, machineId, eventType, ts])
}
model MachineCycle {
  id                  String   @id @default(uuid())
  orgId               String
  machineId           String
  ts                  DateTime @default(now())

  cycleCount          Int?
  actualCycleTime     Float
  theoreticalCycleTime Float?

  workOrderId         String?
  sku                 String?

  cavities            Int?
  goodDelta           Int?
  scrapDelta          Int?
  tsServer  DateTime @default(now()) @map("ts_server")
  schemaVersion String? @map("schema_version")
  seq       BigInt?  @map("seq")

  createdAt           DateTime @default(now())

  machine             Machine  @relation(fields: [machineId], references: [id])
  @@index([orgId, machineId, ts])
  @@index([orgId, machineId, cycleCount])
}

model IngestLog {
  id        String   @id @default(uuid())
  orgId     String?
  machineId String?
  endpoint  String
  schemaVersion String?
  seq       BigInt?
  tsDevice  DateTime?
  tsServer  DateTime @default(now())

  ok        Boolean
  status    Int
  errorCode String?
  errorMsg  String?
  body      Json?
  ip        String?
  userAgent String?

  @@index([endpoint, tsServer])
  @@index([machineId, tsServer])
  @@index([machineId, seq])
}