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

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

enum EquipmentStatus {
  Active
  Repair
  Reserve
  WriteOff
}

enum RepairKind {
  TO
  TR
  TRE
  KR
  AR
  MP
}

enum RepairOrderStatus {
  Draft
  Approved
  InWork
  Done
  Cancelled
}

model EquipmentType {
  code                     String          @id
  name                     String
  manufacturer             String?
  maintenanceIntervalHours Int?
  overhaulIntervalHours    Int?
  equipment                Equipment[]
}

model Equipment {
  id                          String          @id @default(uuid())
  inventoryNumber             String          @unique
  serialNumber                String?
  name                        String
  equipmentTypeCode           String
  equipmentType               EquipmentType   @relation(fields: [equipmentTypeCode], references: [code])
  status                      EquipmentStatus @default(Active)
  location                    String?
  commissionedAt              DateTime?
  totalEngineHours            Decimal?
  engineHoursSinceLastRepair  Decimal?
  lastRepairAt                DateTime?
  notes                       String?
  repairOrders                RepairOrder[]
}

model RepairOrder {
  id                   String            @id @default(uuid())
  number               String            @unique
  equipmentId          String
  equipment            Equipment         @relation(fields: [equipmentId], references: [id])
  repairKind           RepairKind
  status               RepairOrderStatus @default(Draft)
  plannedAt            DateTime
  startedAt            DateTime?
  completedAt          DateTime?
  contractor           String?
  engineHoursAtRepair  Decimal?
  description          String?
  notes                String?
}