// 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
  apiTokens          ApiToken[]
}

// ---------------------------------------------------------------------------
// API tokens — personal access tokens for the REST API + MCP server.
// Only the SHA-256 hash of the raw token is stored; the raw value (mb_…) is
// shown once at creation. `scopes` gate what a token can do (e.g. "plants:read").
// ---------------------------------------------------------------------------

model ApiToken {
  id         String    @id @default(cuid())
  name       String    // human label ("Home Assistant", "phone shortcut")
  tokenHash  String    @unique // sha256(raw)
  prefix     String    // first 8 chars of the raw token, shown in the UI
  scopes     String[]  // e.g. ["plants:read","items:write"]; ["*"] = full
  userId     String
  user       User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  lastUsedAt DateTime?
  expiresAt  DateTime?
  revokedAt  DateTime?
  createdAt  DateTime  @default(now())

  @@index([userId])
}

// ---------------------------------------------------------------------------
// 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])
}

// ---------------------------------------------------------------------------
// Location — shared hierarchical place tree (garden areas, buildings, rooms,
// storage bins). The spine for Garden, Inventory, and Pantry. Plants/items/
// stock all hang off a Location instead of a freeform string.
// ---------------------------------------------------------------------------

enum LocationKind {
  AREA      // outdoor garden zone / farm field ("Back fence guild")
  BUILDING  // house, garage, barn, shed
  ROOM      // kitchen, basement, pantry room
  STORAGE   // shelf, bin, cabinet, drawer, freezer
  OTHER
}

model Location {
  id        String       @id @default(cuid())
  name      String
  kind      LocationKind @default(AREA)
  parentId  String?
  parent    Location?    @relation("LocationTree", fields: [parentId], references: [id], onDelete: SetNull)
  children  Location[]   @relation("LocationTree")
  path      String?      // denormalized "House › Basement › Shelf B" for breadcrumbs
  notes     String?
  qrSlug    String?      @unique // short slug printed on a QR label → resolves here
  active    Boolean      @default(true)
  createdAt DateTime     @default(now())
  updatedAt DateTime     @updatedAt
  plants    Plant[]
  items     Item[]
  animals   Animal[]
  tasks     Task[]

  @@index([parentId])
  @@index([kind])
  @@index([active])
}

// ---------------------------------------------------------------------------
// 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?       // legacy freeform location — kept during the Location migration (dropped in Release B)
  locationId  String?       // shared Location spine
  location    Location?     @relation(fields: [locationId], references: [id], onDelete: SetNull)
  plantTypeId String?       // optional link to the "kind" reference record
  plantType   PlantType?    @relation(fields: [plantTypeId], references: [id], onDelete: SetNull)
  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[]
  pantryItems Item[]

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

// PlantType — the "kind" of plant (e.g. "Lily of the valley"), holding general
// reusable reference info. Rich but every field optional; seeded from the
// built-in plant library (src/lib/garden/plant-db.ts). Individual Plant rows
// optionally point at their type.
model PlantType {
  id           String        @id @default(cuid())
  commonName   String
  species      String?       // scientific name
  category     PlantCategory @default(OTHER)
  careNotes    String?       // general care: pruning, watering, feeding
  sun          String?       // "Full sun", "Part shade", "Shade"
  water        String?       // "Low", "Moderate", "High"
  bloomStart   Int?          // month 1–12
  bloomEnd     Int?          // month 1–12
  harvestStart Int?          // month 1–12
  harvestEnd   Int?          // month 1–12
  toxicToPets  Boolean?      // null = unknown
  edibleParts  String?       // "Fruit, young leaves"
  spacing      String?       // "10–15 ft", "18 in"
  imageUrl     String?
  notes        String?
  active       Boolean       @default(true)
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  plants       Plant[]

  @@index([commonName])
  @@index([category])
  @@index([active])
}

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])
  itemId       String?
  item         Item?          @relation(fields: [itemId], references: [id], onDelete: SetNull)
  animalId     String?
  animal       Animal?        @relation(fields: [animalId], references: [id], onDelete: SetNull)
  locationId   String?
  location     Location?      @relation(fields: [locationId], references: [id], onDelete: SetNull)
  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([itemId])
  @@index([animalId])
  @@index([locationId])
  @@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])
}

// ---------------------------------------------------------------------------
// Inventory — things you own. Durable items (tools, gear) and, later,
// consumables (food, supplies) share this one table, told apart by `kind`.
// Items nest: an Item lives in a Location OR inside another Item (toolbox →
// drill). Consumable-only fields (barcode, bestBefore, minStock) are unused
// by the durable UI but present so Pantry needs no schema change.
// ---------------------------------------------------------------------------

enum ItemKind {
  DURABLE     // tools, gear, equipment — "where is it?"
  CONSUMABLE  // food, feed, supplies — "do I have it?"
}

enum ItemSource {
  GARDEN         // grown/harvested here
  HOMEMADE       // made/preserved ourselves
  STORE          // grocery or big-box store
  FARMERS_MARKET // local market
  GIFTED         // given by someone
  OTHER
}

model Item {
  id             String     @id @default(cuid())
  name           String
  description    String?
  kind           ItemKind   @default(DURABLE)
  quantity       Decimal    @default(1) @db.Decimal(10, 2)
  unit           String?    // "each", "lbs", "bottles"

  // Where it lives — a place, or inside another item (containers are items too).
  locationId     String?
  location       Location?  @relation(fields: [locationId], references: [id], onDelete: SetNull)
  parentItemId   String?
  parentItem     Item?      @relation("ItemNesting", fields: [parentItemId], references: [id], onDelete: SetNull)
  containedItems Item[]     @relation("ItemNesting")

  // Durable attributes
  value            Decimal?  @db.Decimal(10, 2) // purchase price
  purchaseDate     DateTime?
  purchaseFrom     String?   // where it was bought
  warrantyExpiry   DateTime?
  warrantyDetails  String?   // freeform warranty terms
  lifetimeWarranty Boolean   @default(false)
  insured          Boolean   @default(false)
  serial           String?
  modelNumber      String?
  brand            String?   // brand / manufacturer

  // Sold lifecycle (HomeBox parity)
  soldTo       String?
  soldPrice    Decimal?  @db.Decimal(10, 2)
  soldDate     DateTime?
  soldNotes    String?

  // Custom fields — flexible key/value (e.g. VIN, "Oil Weight": "5W-30")
  customFields Json?

  // Consumable attributes
  barcode           String?
  storedAt          DateTime?            // date frozen / preserved / stored
  bestBefore        DateTime?            // expiry / best-by date
  minStock          Decimal?   @db.Decimal(10, 2)
  source            ItemSource?          // where it came from
  plantId           String?              // link to a garden plant (harvest source)
  plant             Plant?     @relation(fields: [plantId], references: [id], onDelete: SetNull)
  pantryCategory    String?              // e.g. "Meat", "Produce", "Dairy"
  pantrySubcategory String?              // e.g. "Beef", "Poultry", "Berries"
  pricePaid         Decimal?   @db.Decimal(10, 2) // how much was paid
  priceUnit         String?              // "package", "lb", "oz", "kg", etc.

  // Shared
  qrSlug         String?    @unique // short slug for a printed QR label
  imageUrl       String?
  notes          String?
  active         Boolean    @default(true)
  createdAt      DateTime   @default(now())
  updatedAt      DateTime   @updatedAt

  labels         LabelOnItem[]
  attachments    ItemAttachment[]
  logs           ItemLog[]
  tasks          Task[]

  @@index([locationId])
  @@index([parentItemId])
  @@index([kind])
  @@index([active])
  @@index([name])
  @@index([barcode])
  @@index([plantId])
  @@index([pantryCategory])
}

model Label {
  id    String        @id @default(cuid())
  name  String        @unique
  color String?
  items LabelOnItem[]
}

model LabelOnItem {
  itemId  String
  labelId String
  item    Item  @relation(fields: [itemId], references: [id], onDelete: Cascade)
  label   Label @relation(fields: [labelId], references: [id], onDelete: Cascade)

  @@id([itemId, labelId])
  @@index([labelId])
}

model ItemAttachment {
  id        String   @id @default(cuid())
  itemId    String
  item      Item     @relation(fields: [itemId], references: [id], onDelete: Cascade)
  kind      String   // "PHOTO" | "MANUAL" | "RECEIPT"
  url       String
  name      String?
  createdAt DateTime @default(now())

  @@index([itemId])
}

enum ItemLogType {
  NOTE
  MAINTENANCE
  MOVED
  PURCHASED
  REPAIRED
  DISPOSED
  USED // consumable pulled from the pantry; `amount` holds how much
}

model ItemLog {
  id        String      @id @default(cuid())
  itemId    String
  item      Item        @relation(fields: [itemId], references: [id], onDelete: Cascade)
  type      ItemLogType
  date      DateTime    @default(now())
  notes     String?
  cost      Decimal?    @db.Decimal(10, 2)
  amount    Decimal?    @db.Decimal(10, 2) // quantity consumed, for USED logs (same unit as the item)
  actorId   String?
  createdAt DateTime    @default(now())

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

// ---------------------------------------------------------------------------
// Animals & pets — livestock and household pets, leaves in a Location with
// their own care log (vet, feeding, weight, meds) and recurring reminders.
// ---------------------------------------------------------------------------

enum AnimalLogType {
  NOTE
  FEEDING
  VET
  WEIGHT
  MEDICATION
  BREEDING
  ACQUIRED
  DIED
}

model Animal {
  id         String      @id @default(cuid())
  name       String
  species    String?     // "Dog", "Cat", "Chicken", "Goat"
  breed      String?
  sex        String?     // freeform: "Female", "Male", "Wether"
  locationId String?
  location   Location?   @relation(fields: [locationId], references: [id], onDelete: SetNull)
  birthdate  DateTime?
  acquiredAt DateTime?
  source     String?
  notes      String?
  imageUrl   String?
  active     Boolean     @default(true)
  createdAt  DateTime    @default(now())
  updatedAt  DateTime    @updatedAt
  logs       AnimalLog[]
  tasks      Task[]

  @@index([locationId])
  @@index([species])
  @@index([active])
}

model AnimalLog {
  id        String        @id @default(cuid())
  animalId  String
  animal    Animal        @relation(fields: [animalId], references: [id], onDelete: Cascade)
  type      AnimalLogType
  date      DateTime      @default(now())
  notes     String?
  weight    Decimal?      @db.Decimal(10, 2) // for WEIGHT entries
  actorId   String?
  createdAt DateTime      @default(now())

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