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

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

// ============================================================================
// TENANCY & IDENTITY
// ============================================================================

model Tenant {
  id        String   @id @default(uuid())
  name      String
  slug      String   @unique
  status    String   @default("active") // active, suspended, terminated
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  users            User[]
  orders           ServiceOrder[]
  services         Service[]
  apiKeys          ApiKey[]
  webhookEndpoints WebhookEndpoint[]
  providerAccounts ProviderAccount[]
  invoices         Invoice[]

  @@map("tenants")
}

model User {
  id        String   @id @default(uuid())
  tenantId  String
  email     String   @unique
  name      String
  status    String   @default("active")
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  tenant Tenant   @relation(fields: [tenantId], references: [id])
  roles  Role[]
  orders ServiceOrder[]

  @@map("users")
}

model Role {
  id          String   @id @default(uuid())
  userId      String
  name        String // admin, operator, viewer
  permissions Json     @default("{}")
  createdAt   DateTime @default(now())

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

  @@map("roles")
}

// ============================================================================
// PROVIDERS & CONNECTIVITY
// ============================================================================

model Provider {
  id        String   @id @default(uuid())
  name      String
  type      String // aws, azure, carrier, exchange
  status    String   @default("active")
  metadata  Json     @default("{}")
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  endpoints        Endpoint[]
  productOfferings ProductOffering[]
  orders           ServiceOrder[]
  accounts         ProviderAccount[]

  @@map("providers")
}

model ProviderAccount {
  id           String   @id @default(uuid())
  tenantId     String
  providerId   String
  accountId    String
  credentials  Json // encrypted
  status       String   @default("active")
  metadata     Json     @default("{}")
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  tenant   Tenant   @relation(fields: [tenantId], references: [id])
  provider Provider @relation(fields: [providerId], references: [id])

  @@unique([tenantId, providerId, accountId])
  @@map("provider_accounts")
}

model Endpoint {
  id         String   @id @default(uuid())
  providerId String
  kind       String // cloud_region, datacenter, exchange, customer_site
  region     String?
  metro      String?
  location   String?
  status     String   @default("available")
  metadata   Json     @default("{}")
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  provider      Provider       @relation(fields: [providerId], references: [id])
  sourceOrders  ServiceOrder[] @relation("SourceEndpoint")
  targetOrders  ServiceOrder[] @relation("TargetEndpoint")

  @@map("endpoints")
}

// ============================================================================
// CATALOG & PRODUCTS
// ============================================================================

model ProductOffering {
  id          String   @id @default(uuid())
  providerId  String
  name        String
  description String?
  type        String // cloud_interconnect, multi_cloud, partner_connect
  status      String   @default("active")
  pricing     Json     @default("{}")
  metadata    Json     @default("{}")
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  provider Provider       @relation(fields: [providerId], references: [id])
  orders   ServiceOrder[]

  @@map("product_offerings")
}

// ============================================================================
// ORDERS & SERVICES
// ============================================================================

model Quote {
  id                 String   @id @default(uuid())
  tenantId           String
  productOfferingId  String
  sourceEndpointId   String
  targetEndpointId   String
  bandwidthMbps      Int
  monthlyRecurring   Decimal  @db.Decimal(10, 2)
  setupFee           Decimal  @db.Decimal(10, 2)
  currency           String   @default("USD")
  validUntil         DateTime
  status             String   @default("draft") // draft, valid, expired, accepted
  metadata           Json     @default("{}")
  createdAt          DateTime @default(now())
  updatedAt          DateTime @updatedAt

  @@map("quotes")
}

model ServiceOrder {
  id                 String   @id @default(uuid())
  tenantId           String
  userId             String
  productOfferingId  String
  providerId         String
  sourceEndpointId   String
  targetEndpointId   String
  bandwidthMbps      Int
  status             String   @default("draft")
  externalReference  String?
  quoteId            String?
  metadata           Json     @default("{}")
  createdAt          DateTime @default(now())
  updatedAt          DateTime @updatedAt

  tenant           Tenant          @relation(fields: [tenantId], references: [id])
  user             User            @relation(fields: [userId], references: [id])
  productOffering  ProductOffering @relation(fields: [productOfferingId], references: [id])
  provider         Provider        @relation(fields: [providerId], references: [id])
  sourceEndpoint   Endpoint        @relation("SourceEndpoint", fields: [sourceEndpointId], references: [id])
  targetEndpoint   Endpoint        @relation("TargetEndpoint", fields: [targetEndpointId], references: [id])
  service          Service?
  provisioningTasks ProvisioningTask[]

  @@map("service_orders")
}

model Service {
  id            String    @id @default(uuid())
  orderId       String    @unique
  tenantId      String
  status        String    @default("provisioning")
  activatedAt   DateTime?
  suspendedAt   DateTime?
  terminatedAt  DateTime?
  metadata      Json      @default("{}")
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  order         ServiceOrder @relation(fields: [orderId], references: [id])
  tenant        Tenant       @relation(fields: [tenantId], references: [id])
  usageRecords  UsageRecord[]
  inventoryRecords InventoryRecord[]

  @@map("services")
}

// ============================================================================
// PROVISIONING & ORCHESTRATION
// ============================================================================

model ProvisioningTask {
  id              String   @id @default(uuid())
  orderId         String
  taskType        String // validate, provision, configure, activate
  status          String   @default("pending")
  adapterName     String?
  externalTaskId  String?
  retryCount      Int      @default(0)
  maxRetries      Int      @default(3)
  error           String?
  metadata        Json     @default("{}")
  startedAt       DateTime?
  completedAt     DateTime?
  createdAt       DateTime @default(now())
  updatedAt       DateTime @updatedAt

  order ServiceOrder @relation(fields: [orderId], references: [id])

  @@map("provisioning_tasks")
}

// ============================================================================
// INVENTORY & MONITORING
// ============================================================================

model InventoryRecord {
  id              String   @id @default(uuid())
  serviceId       String
  recordType      String // connection, circuit, port
  externalId      String
  providerData    Json     @default("{}")
  status          String
  lastSyncedAt    DateTime @default(now())
  createdAt       DateTime @default(now())
  updatedAt       DateTime @updatedAt

  service Service @relation(fields: [serviceId], references: [id])

  @@map("inventory_records")
}

// ============================================================================
// BILLING
// ============================================================================

model UsageRecord {
  id          String   @id @default(uuid())
  serviceId   String
  recordType  String // bandwidth, port_hour, data_transfer
  quantity    Decimal  @db.Decimal(15, 4)
  unit        String
  startTime   DateTime
  endTime     DateTime
  metadata    Json     @default("{}")
  createdAt   DateTime @default(now())

  service Service @relation(fields: [serviceId], references: [id])

  @@map("usage_records")
}

model Invoice {
  id            String   @id @default(uuid())
  tenantId      String
  invoiceNumber String   @unique
  status        String   @default("draft")
  subtotal      Decimal  @db.Decimal(10, 2)
  tax           Decimal  @db.Decimal(10, 2)
  total         Decimal  @db.Decimal(10, 2)
  currency      String   @default("USD")
  periodStart   DateTime
  periodEnd     DateTime
  dueDate       DateTime
  paidAt        DateTime?
  metadata      Json     @default("{}")
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  tenant Tenant @relation(fields: [tenantId], references: [id])

  @@map("invoices")
}

// ============================================================================
// API & WEBHOOKS
// ============================================================================

model ApiKey {
  id          String   @id @default(uuid())
  tenantId    String
  name        String
  keyHash     String   @unique
  scopes      Json     @default("[]")
  status      String   @default("active")
  lastUsedAt  DateTime?
  expiresAt   DateTime?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  tenant Tenant @relation(fields: [tenantId], references: [id])

  @@map("api_keys")
}

model WebhookEndpoint {
  id          String   @id @default(uuid())
  tenantId    String
  url         String
  events      Json     @default("[]")
  secret      String
  status      String   @default("active")
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  tenant    Tenant           @relation(fields: [tenantId], references: [id])
  deliveries WebhookDelivery[]

  @@map("webhook_endpoints")
}

model WebhookDelivery {
  id          String   @id @default(uuid())
  endpointId  String
  eventType   String
  payload     Json
  status      String   @default("pending")
  attempts    Int      @default(0)
  lastAttempt DateTime?
  response    String?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  endpoint WebhookEndpoint @relation(fields: [endpointId], references: [id])

  @@map("webhook_deliveries")
}

// ============================================================================
// AUDIT & INCIDENTS
// ============================================================================

model AuditEvent {
  id            String   @id @default(uuid())
  aggregateType String
  aggregateId   String
  eventType     String
  actorId       String?
  actorType     String?
  payload       Json     @default("{}")
  ipAddress     String?
  userAgent     String?
  createdAt     DateTime @default(now())

  @@index([aggregateType, aggregateId])
  @@index([eventType])
  @@index([createdAt])
  @@map("audit_events")
}

model Incident {
  id          String   @id @default(uuid())
  tenantId    String?
  serviceId   String?
  severity    String // critical, high, medium, low
  status      String   @default("open")
  title       String
  description String
  metadata    Json     @default("{}")
  resolvedAt  DateTime?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  @@map("incidents")
}