import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';

export enum AssetVersionChangeType {
  BASELINE = 'BASELINE',
  CREATED = 'CREATED',
  UPDATED = 'UPDATED',
  CONTEXT_CHANGED = 'CONTEXT_CHANGED',
  FUNCTION_CHANGED = 'FUNCTION_CHANGED',
  STATUS_CHANGED = 'STATUS_CHANGED',
  OPERATIONAL_STATUS_CHANGED = 'OPERATIONAL_STATUS_CHANGED',
  REGISTRY_UPDATED = 'REGISTRY_UPDATED',
  GEOMETRY_UPDATED = 'GEOMETRY_UPDATED',
  GEOMETRY_REMOVED = 'GEOMETRY_REMOVED',
  MEDIA_UPLOADED = 'MEDIA_UPLOADED',
  MEDIA_UPDATED = 'MEDIA_UPDATED',
  MEDIA_REMOVED = 'MEDIA_REMOVED',
  PROVENANCE_BASELINE = 'PROVENANCE_BASELINE',
  PROVENANCE_UPDATED = 'PROVENANCE_UPDATED',
  PROVENANCE_VERIFIED = 'PROVENANCE_VERIFIED',
}

@Entity({ name: 'asset_versions' })
@Index('idx_asset_versions_asset_number', ['assetId', 'versionNumber'], {
  unique: true,
})
@Index('idx_asset_versions_occurred_at', ['occurredAt'])
@Index('idx_asset_versions_change_type', ['changeType'])
export class AssetVersion {
  @PrimaryGeneratedColumn('uuid')
  id!: string;

  @Column({ name: 'asset_id', type: 'uuid' })
  assetId!: string;

  @Column({ name: 'version_number', type: 'integer' })
  versionNumber!: number;

  @Column({ name: 'change_type', type: 'varchar', length: 32 })
  changeType!: AssetVersionChangeType;

  @Column({ name: 'changed_fields', type: 'text', array: true, default: () => "'{}'" })
  changedFields!: string[];

  @Column({ type: 'jsonb' })
  snapshot!: Record<string, unknown>;

  @Column({ name: 'occurred_at', type: 'timestamptz', default: () => 'CURRENT_TIMESTAMP' })
  occurredAt!: Date;

  @Column({ name: 'actor_user_id', type: 'uuid', nullable: true })
  actorUserId!: string | null;

  @Column({ name: 'actor_username', type: 'varchar', length: 80, nullable: true })
  actorUsername!: string | null;

  @Column({ type: 'varchar', length: 32 })
  source!: string;

  @Column({ name: 'request_id', type: 'varchar', length: 128, nullable: true })
  requestId!: string | null;
}