// Moon Base — property management for the Moon homestead.
// Tracks the food forest (plants, care logs, harvests), home maintenance,
// and equipment. v0.1 ships the garden module; home + equipment come next.

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

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

// ---------------------------------------------------------------------------
// Auth
// ---------------------------------------------------------------------------

enum UserRole {
  ADMIN  // full access — add/edit/delete anything
  MEMBER // can log observations and care, but not delete records
}

model User {
  id                 String   @id @default(cuid())
  email              String   @unique
  username           String?  @unique
  name               String
  passwordHash       String
  role               UserRole @default(MEMBER)
  active             Boolean  @default(true)
  mustChangePassword Boolean  @default(false)
  createdAt          DateTime @default(now())
  updatedAt          DateTime @updatedAt
}

// ---------------------------------------------------------------------------
// Audit log — append-only, every mutation lands here
// ---------------------------------------------------------------------------

model AuditEvent {
  id        String   @id @default(cuid())
  action    String   // e.g. "plant.create", "plant.log.add"
  entityId  String?
  actorId   String?
  payload   Json?
  createdAt DateTime @default(now())

  @@index([entityId])
  @@index([createdAt])
}

// ---------------------------------------------------------------------------
// Garden — food forest plant registry
// ---------------------------------------------------------------------------

enum PlantCategory {
  CANOPY_TREE    // apple, pear, cherry, walnut — the tall ones
  UNDERSTORY_TREE // serviceberry, elderberry, pawpaw
  LARGE_SHRUB    // hazelnuts, currants, gooseberries
  SHRUB          // roses, raspberries, blueberries
  HERB           // comfrey, yarrow, mint, chives
  GROUNDCOVER    // strawberries, clover, creeping thyme
  VINE           // grapes, hops, kiwi
  ANNUAL_VEGETABLE  // tomatoes, squash, beans, peppers — seasonal veg
  ANNUAL            // legacy, treated as annual vegetable
  ANNUAL_FLOWER     // zinnias, marigolds, nasturtiums, cosmos
  PERENNIAL         // asparagus, rhubarb, perennial veg
  PERENNIAL_FLOWER  // coneflower, bee balm, black-eyed susan
  BULB              // garlic, onions, tulips, daffodils
  MUSHROOM          // shiitake log, oyster bed, etc.
  OTHER
}

model PlantGroup {
  id        String   @id @default(cuid())
  name      String   @unique
  notes     String?
  active    Boolean  @default(true)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  plants    Plant[]

  @@index([active])
}

model Plant {
  id          String        @id @default(cuid())
  commonName  String
  species     String?       // scientific name (optional)
  variety     String?       // cultivar / variety name
  category    PlantCategory
  zone        String?       // location on the property, freeform ("Back fence guild", "Front yard")
  plantedAt   DateTime?     // when it went in the ground
  source      String?       // where it came from ("Jung's Nursery", "from seed", "division from Mom's")
  notes       String?       // general notes about this plant
  groupId     String?       // optional: belongs to a PlantGroup (e.g. "Irises")
  group       PlantGroup?   @relation(fields: [groupId], references: [id])
  imageUrl    String?       // thumbnail fetched from Wikipedia on add/edit
  active      Boolean       @default(true)
  createdAt   DateTime      @default(now())
  updatedAt   DateTime      @updatedAt
  logs        PlantLog[]
  tasks       Task[]

  @@index([category])
  @@index([zone])
  @@index([active])
  @@index([groupId])
}

enum PlantLogType {
  OBSERVATION  // general note — "looking healthy", "saw first flowers"
  CARE         // watering, mulching, pruning, fertilizing, chop-and-drop
  HARVEST      // picked fruit, veg, herb, flower
  TREATMENT    // pest or disease treatment
  TRANSPLANT   // moved to a different spot
  DIED         // plant died or was removed
}

// ---------------------------------------------------------------------------
// Tasks / reminders
// ---------------------------------------------------------------------------

enum TaskCategory {
  GARDEN
  HOME
  EQUIPMENT
  OTHER
}

enum RecurrenceType {
  ONCE     // one-time task, no repeat
  CUSTOM   // every N days (intervalDays)
  MONTHLY  // same day every month (uses nextDue day-of-month)
  YEARLY   // same month every year (month field)
}

model Task {
  id           String         @id @default(cuid())
  title        String
  notes        String?
  category     TaskCategory   @default(GARDEN)
  plantId      String?
  plant        Plant?         @relation(fields: [plantId], references: [id])
  recurrence   RecurrenceType @default(YEARLY)
  intervalDays Int?           // for CUSTOM: every N days
  month        Int?           // 1–12: for YEARLY, which month
  nextDue      DateTime
  lastDone     DateTime?
  active       Boolean        @default(true)
  createdAt    DateTime       @default(now())
  updatedAt    DateTime       @updatedAt
  completions  TaskCompletion[]

  @@index([nextDue])
  @@index([plantId])
  @@index([active])
}

model TaskCompletion {
  id      String   @id @default(cuid())
  taskId  String
  task    Task     @relation(fields: [taskId], references: [id])
  doneAt  DateTime @default(now())
  notes   String?
  actorId String?

  @@index([taskId])
}

model PlantLog {
  id        String       @id @default(cuid())
  plantId   String
  plant     Plant        @relation(fields: [plantId], references: [id])
  type      PlantLogType
  date      DateTime     @default(now())
  notes     String?
  quantity  String?      // freeform for harvests: "2 lbs", "1 gallon", "a big handful"
  actorId   String?
  createdAt DateTime     @default(now())

  @@index([plantId])
  @@index([date])
}