import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
import { TimestampedEntity } from './timestamped.entity';

export enum AssetInformationStatus {
  DRAFT = 'DRAFT',
  PENDING_SURVEY = 'PENDING_SURVEY',
  SURVEYED = 'SURVEYED',
  VALIDATED = 'VALIDATED',
  OBSERVED = 'OBSERVED',
  OUTDATED = 'OUTDATED',
  INACTIVE = 'INACTIVE',
}

export enum AssetOperationalStatus {
  UNKNOWN = 'UNKNOWN',
  IN_SERVICE = 'IN_SERVICE',
  TEMPORARILY_OUT_OF_SERVICE = 'TEMPORARILY_OUT_OF_SERVICE',
  OUT_OF_SERVICE = 'OUT_OF_SERVICE',
  DECOMMISSIONED = 'DECOMMISSIONED',
  ABANDONED = 'ABANDONED',
}

export enum AssetDataOrigin {
  MANUAL = 'MANUAL',
  FIELD_SURVEY = 'FIELD_SURVEY',
  PROVIDED_DOCUMENT = 'PROVIDED_DOCUMENT',
  IMPORT = 'IMPORT',
  SYSTEM = 'SYSTEM',
}

@Entity({ name: 'assets' })
@Index('idx_assets_type_id', ['assetTypeId'])
@Index('idx_assets_parent_id', ['parentId'])
@Index('idx_assets_operational_area_id', ['operationalAreaId'])
@Index('idx_assets_operator_company_id', ['operatorCompanyId'])
@Index('idx_assets_concession_type_id', ['concessionTypeId'])
@Index('idx_assets_inventory_family_id', ['inventoryFamilyId'])
@Index('idx_assets_information_status', ['informationStatus'])
@Index('idx_assets_operational_status', ['operationalStatus'])
@Index('idx_assets_data_origin', ['dataOrigin'])
@Index('idx_assets_provenance_verified_at', ['provenanceVerifiedAt'])
export class Asset extends TimestampedEntity {
  @PrimaryGeneratedColumn('uuid')
  id!: string;

  @Column({ name: 'asset_type_id', type: 'uuid' })
  assetTypeId!: string;

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

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

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

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

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

  @Column({ name: 'is_inventory_instance', type: 'boolean', default: false })
  isInventoryInstance!: boolean;

  @Column({ type: 'varchar', length: 120 })
  code!: string;

  @Column({ type: 'varchar', length: 200 })
  name!: string;

  @Column({ name: 'common_name', type: 'varchar', length: 200, nullable: true })
  commonName!: string | null;

  @Column({ type: 'text', nullable: true })
  description!: string | null;

  @Column({
    name: 'information_status',
    type: 'enum',
    enum: AssetInformationStatus,
    enumName: 'asset_information_status',
    default: AssetInformationStatus.DRAFT,
  })
  informationStatus!: AssetInformationStatus;

  @Column({ name: 'operational_status', type: 'enum', enum: AssetOperationalStatus, enumName: 'asset_operational_status', default: AssetOperationalStatus.UNKNOWN })
  operationalStatus!: AssetOperationalStatus;

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

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

  @Column({ name: 'current_version', type: 'integer', default: 0 })
  currentVersion!: number;

  @Column({ name: 'data_origin', type: 'varchar', length: 32, default: AssetDataOrigin.MANUAL })
  dataOrigin!: AssetDataOrigin;

  @Column({ name: 'source_name', type: 'varchar', length: 160, nullable: true })
  sourceName!: string | null;

  @Column({ name: 'source_reference', type: 'varchar', length: 255, nullable: true })
  sourceReference!: string | null;

  @Column({ name: 'source_observed_at', type: 'timestamptz', nullable: true })
  sourceObservedAt!: Date | null;

  @Column({ name: 'source_notes', type: 'text', nullable: true })
  sourceNotes!: string | null;

  @Column({ name: 'provenance_verified_at', type: 'timestamptz', nullable: true })
  provenanceVerifiedAt!: Date | null;

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

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

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