// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

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

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

// Multi-tenancy
model Tenant {
  id        String   @id @default(uuid())
  name      String
  slug      String   @unique
  isActive  Boolean  @default(true)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  users              User[]
  objectDefinitions  ObjectDefinition[]
  accounts           Account[]
  apps               App[]
  roles              Role[]
  permissions        Permission[]

  @@map("tenants")
}

// User & Auth
model User {
  id        String   @id @default(uuid())
  tenantId  String
  email     String
  password  String
  firstName String?
  lastName  String?
  isActive  Boolean  @default(true)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  tenant    Tenant     @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  userRoles UserRole[]
  accounts  Account[]

  @@unique([tenantId, email])
  @@index([tenantId])
  @@map("users")
}

// RBAC - Spatie-like
model Role {
  id          String   @id @default(uuid())
  tenantId    String
  name        String
  guardName   String   @default("api")
  description String?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  tenant          Tenant           @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  userRoles       UserRole[]
  rolePermissions RolePermission[]

  @@unique([tenantId, name, guardName])
  @@index([tenantId])
  @@map("roles")
}

model Permission {
  id          String   @id @default(uuid())
  tenantId    String
  name        String
  guardName   String   @default("api")
  description String?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  tenant          Tenant           @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  rolePermissions RolePermission[]

  @@unique([tenantId, name, guardName])
  @@index([tenantId])
  @@map("permissions")
}

model UserRole {
  id        String   @id @default(uuid())
  userId    String
  roleId    String
  createdAt DateTime @default(now())

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

  @@unique([userId, roleId])
  @@index([userId])
  @@index([roleId])
  @@map("user_roles")
}

model RolePermission {
  id           String   @id @default(uuid())
  roleId       String
  permissionId String
  createdAt    DateTime @default(now())

  role       Role       @relation(fields: [roleId], references: [id], onDelete: Cascade)
  permission Permission @relation(fields: [permissionId], references: [id], onDelete: Cascade)

  @@unique([roleId, permissionId])
  @@index([roleId])
  @@index([permissionId])
  @@map("role_permissions")
}

// Object Definition (Metadata)
model ObjectDefinition {
  id          String   @id @default(uuid())
  tenantId    String
  apiName     String
  label       String
  pluralLabel String?
  description String?  @db.Text
  isSystem    Boolean  @default(false)
  tableName   String?
  isActive    Boolean  @default(true)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  tenant Tenant            @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  fields FieldDefinition[]
  pages  AppPage[]

  @@unique([tenantId, apiName])
  @@index([tenantId])
  @@map("object_definitions")
}

model FieldDefinition {
  id               String   @id @default(uuid())
  objectId         String
  apiName          String
  label            String
  type             String // text, number, boolean, date, datetime, lookup, picklist, etc.
  description      String?  @db.Text
  isRequired       Boolean  @default(false)
  isUnique         Boolean  @default(false)
  isReadonly       Boolean  @default(false)
  isLookup         Boolean  @default(false)
  referenceTo      String? // objectApiName for lookup fields
  defaultValue     String?
  options          Json? // for picklist fields
  validationRules  Json? // custom validation rules
  isActive         Boolean  @default(true)
  createdAt        DateTime @default(now())
  updatedAt        DateTime @updatedAt

  object ObjectDefinition @relation(fields: [objectId], references: [id], onDelete: Cascade)

  @@unique([objectId, apiName])
  @@index([objectId])
  @@map("field_definitions")
}

// Example static object: Account
model Account {
  id        String   @id @default(uuid())
  tenantId  String
  name      String
  status    String   @default("active")
  ownerId   String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  tenant Tenant @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  owner  User   @relation(fields: [ownerId], references: [id])

  @@index([tenantId])
  @@index([ownerId])
  @@map("accounts")
}

// Application Builder
model App {
  id          String   @id @default(uuid())
  tenantId    String
  slug        String
  label       String
  description String?  @db.Text
  icon        String?
  isActive    Boolean  @default(true)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  tenant Tenant    @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  pages  AppPage[]

  @@unique([tenantId, slug])
  @@index([tenantId])
  @@map("apps")
}

model AppPage {
  id             String   @id @default(uuid())
  appId          String
  slug           String
  label          String
  type           String // list, board, dashboard, form, detail
  objectApiName  String?
  objectId       String?
  config         Json? // page-specific configuration
  sortOrder      Int      @default(0)
  isActive       Boolean  @default(true)
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  app    App               @relation(fields: [appId], references: [id], onDelete: Cascade)
  object ObjectDefinition? @relation(fields: [objectId], references: [id])

  @@unique([appId, slug])
  @@index([appId])
  @@index([objectId])
  @@map("app_pages")
}