model App {
  id                String       @id @default(cuid())
  createdAt         DateTime     @default(now())
  updatedAt         DateTime     @updatedAt
  tenantId          String
  tenant            Tenant       @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  type              String // App type identifier e.g., "sample-data-sync"
  config            String       @default("{}") // JSON configuration
  icon              String?
  isActive          Boolean      @default(true)
  installedByUserId String?
  installedByUser   User?        @relation("appInstalledByUser", fields: [installedByUserId], references: [id])
  syncRuns          AppSyncRun[]

  @@unique([tenantId, type])
  @@index([tenantId])
}

model DataConnection {
  id          String   @id @default(cuid())
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  tenantId    String
  tenant      Tenant   @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  name        String
  type        String // Connection type e.g., "rest-api", "oauth2", "webhook"
  config      String   @default("{}") // Encrypted JSON credentials
  description String?

  @@index([tenantId])
}

model AppSyncRun {
  id              String          @id @default(cuid())
  createdAt       DateTime        @default(now())
  updatedAt       DateTime        @updatedAt
  appId           String
  app             App             @relation(fields: [appId], references: [id], onDelete: Cascade)
  tenantId        String
  tenant          Tenant          @relation(fields: [tenantId], references: [id])
  taskKey         String // e.g., "sync-products"
  taskName        String // e.g., "Sync Products"
  description     String?
  status          String          @default("pending") // pending, running, completed, partial, failed, cancelled, reverted
  executionMode   String          @default("manual") // manual, scheduled, webhook
  startedAt       DateTime?
  completedAt     DateTime?
  duration        Int             @default(0) // Duration in milliseconds
  itemsProcessed  Int             @default(0)
  itemsCreated    Int             @default(0)
  itemsUpdated    Int             @default(0)
  itemsFailed     Int             @default(0)
  error           String?
  metadata        String          @default("{}")
  createdByUserId String?
  createdByUser   User?           @relation("appSyncRunCreatedByUser", fields: [createdByUserId], references: [id])
  logs            AppSyncRunLog[]
  syncItems       AppSyncItem[]

  @@index([appId, taskKey])
  @@index([tenantId])
}

model AppSyncRunLog {
  id        String     @id @default(cuid())
  createdAt DateTime   @default(now())
  syncRunId String
  syncRun   AppSyncRun @relation(fields: [syncRunId], references: [id], onDelete: Cascade)
  type      String     @default("info") // info, success, warning, error
  message   String
  metadata  String?

  @@index([syncRunId])
}

model AppSyncItem {
  id              String     @id @default(cuid())
  createdAt       DateTime   @default(now())
  updatedAt       DateTime   @updatedAt
  syncRunId       String
  syncRun         AppSyncRun @relation(fields: [syncRunId], references: [id], onDelete: Cascade)
  objectType      String // e.g., "product", "customer"
  sourceId        String // ID from external system
  destinationId   String? // ID in our system
  description     String?
  status          String     @default("pending") // synced, failed, skipped, pending, reverted
  action          String? // created, updated, deleted, skipped
  sourceData      String // JSON of source data
  destinationData String? // JSON of destination data
  error           String?
  rolledBackData  String? // JSON of rollback information
  rolledBackAt    DateTime?

  @@index([syncRunId])
  @@index([objectType, sourceId])
}