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

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

enum Role {
  OWNER
  MANAGER
  GROWER
  STAFF
}

enum RoomType {
  VEG
  FLOWER
  DRY
  CURE
  MOTHER
  CLONE
}

enum TaskStatus {
  PENDING
  IN_PROGRESS
  COMPLETED
  BLOCKED
}

model User {
  id            String     @id @default(uuid())
  email         String     @unique
  passwordHash  String
  name          String?
  role          Role       @default(STAFF)
  rate          Decimal?   @map("hourly_rate") // For labor cost calc
  createdAt     DateTime   @default(now())
  updatedAt     DateTime   @updatedAt

  tasks         TaskInstance[]
  timeLogs      TimeLog[]

  @@map("users")
}

model Room {
  id        String    @id @default(uuid())
  name      String
  type      RoomType
  sqft      Float?
  width     Float?
  length    Float?
  createdAt DateTime  @default(now())
  updatedAt DateTime  @updatedAt

  batches   Batch[]
  tasks     TaskInstance[]

  @@map("rooms")
}

model Batch {
  id          String    @id @default(uuid())
  name        String    // e.g., "B-2023-10-15-GG4"
  strain      String
  startDate   DateTime
  harvestDate DateTime?
  status      String    @default("ACTIVE") // ACTIVE, HARVESTED, COMPLETED
  
  roomId      String?
  room        Room?     @relation(fields: [roomId], references: [id])
  
  tasks       TaskInstance[]
  
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@map("batches")
}

model TaskTemplate {
  id               String   @id @default(uuid())
  title            String
  description      String?
  estimatedMinutes Int?
  
  createdAt        DateTime @default(now())
  updatedAt        DateTime @updatedAt

  @@map("task_templates")
}

model TaskInstance {
  id           String     @id @default(uuid())
  title        String     // Copied from template or custom
  description  String?
  status       TaskStatus @default(PENDING)
  priority     String     @default("MEDIUM")
  
  assignedToId String?
  assignedTo   User?      @relation(fields: [assignedToId], references: [id])
  
  batchId      String?
  batch        Batch?     @relation(fields: [batchId], references: [id])
  
  roomId       String?
  room         Room?      @relation(fields: [roomId], references: [id])

  completedAt  DateTime?
  dueDate      DateTime?
  
  createdAt    DateTime   @default(now())
  updatedAt    DateTime   @updatedAt

  @@map("task_instances")
}

model TimeLog {
  id           String    @id @default(uuid())
  userId       String
  user         User      @relation(fields: [userId], references: [id])
  
  startTime    DateTime
  endTime      DateTime?
  activityType String?   // e.g. "Trimming", "Feeding", "Cleaning"
  notes        String?
  
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  @@map("time_logs")
}