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

datasource db {
  provider = "postgresql"
}

// ───────────────────────────────────────
// Auth.js required models
// ───────────────────────────────────────

enum Role {
  ADMIN
  USER
}

model User {
  id             String    @id @default(cuid())
  name           String?
  email          String?   @unique
  emailVerified  DateTime?
  image          String?
  hashedPassword String?
  role           Role      @default(USER)
  createdAt      DateTime  @default(now())
  updatedAt      DateTime  @updatedAt

  accounts  Account[]
  sessions  Session[]
  filaments Filament[]
  resins    Resin[]
  paints    Paint[]
  supplies  Supply[]
  vendors   Vendor[]
  locations Location[]
  usageLogs UsageLog[]
  tags      Tag[]
  settings  UserSettings?
}

model Account {
  id                String  @id @default(cuid())
  userId            String
  type              String
  provider          String
  providerAccountId String
  refresh_token     String? @db.Text
  access_token      String? @db.Text
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String? @db.Text
  session_state     String?

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

  @@unique([provider, providerAccountId])
}

model Session {
  id           String   @id @default(cuid())
  sessionToken String   @unique
  userId       String
  expires      DateTime

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

model VerificationToken {
  identifier String
  token      String
  expires    DateTime

  @@unique([identifier, token])
}

// ───────────────────────────────────────
// Domain models
// ───────────────────────────────────────

model Vendor {
  id        String   @id @default(cuid())
  name      String   @db.VarChar(64)
  website   String?  @db.VarChar(256)
  notes     String?  @db.Text
  archived  Boolean  @default(false)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  userId    String

  user      User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  filaments Filament[]
  resins    Resin[]
  paints    Paint[]
  supplies  Supply[]

  @@index([userId])
  @@index([archived])
}

model Location {
  id          String   @id @default(cuid())
  name        String   @db.VarChar(64)
  description String?  @db.VarChar(256)
  archived    Boolean  @default(false)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  userId      String

  user      User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  filaments Filament[]
  resins    Resin[]
  paints    Paint[]
  supplies  Supply[]

  @@index([userId])
  @@index([archived])
}

model Filament {
  id               String    @id @default(cuid())
  name             String    @db.VarChar(128)
  brand            String    @db.VarChar(64)
  material         String    @db.VarChar(32)
  color            String    @db.VarChar(64)
  colorHex         String    @db.VarChar(7)
  diameter         Float     @default(1.75)
  spoolWeight      Float
  usedWeight       Float     @default(0)
  emptySpoolWeight Float     @default(0)
  purchaseDate     DateTime?
  cost             Float?
  notes            String?   @db.Text
  archived         Boolean   @default(false)
  createdAt        DateTime  @default(now())
  updatedAt        DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User           @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?        @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?      @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnFilament[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([material])
  @@index([archived])
  @@index([brand])
}

model Resin {
  id           String    @id @default(cuid())
  name         String    @db.VarChar(128)
  brand        String    @db.VarChar(64)
  resinType    String    @db.VarChar(32)
  color        String    @db.VarChar(64)
  colorHex     String    @db.VarChar(7)
  bottleSize   Float
  usedML       Float     @default(0)
  purchaseDate DateTime?
  cost         Float?
  notes        String?   @db.Text
  archived     Boolean   @default(false)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User         @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?      @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?    @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnResin[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([resinType])
  @@index([archived])
  @@index([brand])
}

model Paint {
  id           String    @id @default(cuid())
  name         String    @db.VarChar(128)
  brand        String    @db.VarChar(64)
  line         String?   @db.VarChar(64)
  color        String    @db.VarChar(64)
  colorHex     String    @db.VarChar(7)
  finish       String    @db.VarChar(32)
  volumeML     Float
  usedML       Float     @default(0)
  purchaseDate DateTime?
  cost         Float?
  notes        String?   @db.Text
  archived     Boolean   @default(false)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User          @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?       @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?     @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnPaint[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([finish])
  @@index([archived])
  @@index([brand])
}

model Tag {
  id        String   @id @default(cuid())
  name      String   @db.VarChar(64)
  createdAt DateTime @default(now())
  userId    String

  user      User            @relation(fields: [userId], references: [id], onDelete: Cascade)
  filaments TagOnFilament[]
  resins    TagOnResin[]
  paints    TagOnPaint[]
  supplies  TagOnSupply[]

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

model TagOnFilament {
  filamentId String
  tagId      String

  filament Filament @relation(fields: [filamentId], references: [id], onDelete: Cascade)
  tag      Tag      @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([filamentId, tagId])
}

model TagOnResin {
  resinId String
  tagId   String

  resin Resin @relation(fields: [resinId], references: [id], onDelete: Cascade)
  tag   Tag   @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([resinId, tagId])
}

model TagOnPaint {
  paintId String
  tagId   String

  paint Paint @relation(fields: [paintId], references: [id], onDelete: Cascade)
  tag   Tag   @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([paintId, tagId])
}

model Supply {
  id           String    @id @default(cuid())
  name         String    @db.VarChar(128)
  brand        String    @db.VarChar(64)
  category     String    @db.VarChar(32)
  color        String?   @db.VarChar(64)
  colorHex     String?   @db.VarChar(7)
  totalAmount  Float
  usedAmount   Float     @default(0)
  unit         String    @db.VarChar(16)
  purchaseDate DateTime?
  cost         Float?
  notes        String?   @db.Text
  archived     Boolean   @default(false)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  userId     String
  vendorId   String?
  locationId String?

  user      User           @relation(fields: [userId], references: [id], onDelete: Cascade)
  vendor    Vendor?        @relation(fields: [vendorId], references: [id], onDelete: SetNull)
  location  Location?      @relation(fields: [locationId], references: [id], onDelete: SetNull)
  tags      TagOnSupply[]
  usageLogs UsageLog[]

  @@index([userId])
  @@index([vendorId])
  @@index([locationId])
  @@index([category])
  @@index([archived])
  @@index([brand])
}

model TagOnSupply {
  supplyId String
  tagId    String

  supply Supply @relation(fields: [supplyId], references: [id], onDelete: Cascade)
  tag    Tag    @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([supplyId, tagId])
}

model UsageLog {
  id        String   @id @default(cuid())
  itemType  String   @db.VarChar(16)
  itemId    String
  amount    Float
  unit      String   @db.VarChar(16)
  notes     String?  @db.Text
  createdAt DateTime @default(now())
  userId    String

  user       User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  filament   Filament? @relation(fields: [filamentId], references: [id], onDelete: Cascade)
  filamentId String?
  resin      Resin?    @relation(fields: [resinId], references: [id], onDelete: Cascade)
  resinId    String?
  paint      Paint?    @relation(fields: [paintId], references: [id], onDelete: Cascade)
  paintId    String?
  supply     Supply?   @relation(fields: [supplyId], references: [id], onDelete: Cascade)
  supplyId   String?

  @@index([userId])
  @@index([itemType, itemId])
  @@index([createdAt])
}

model UserSettings {
  id                String @id @default(cuid())
  userId            String @unique
  lowStockThreshold Float  @default(10)
  currency          String @default("USD") @db.VarChar(3)
  theme             String @default("dark") @db.VarChar(8)
  units             String @default("metric") @db.VarChar(8)

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