import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  DeleteDateColumn,
  Index,
  ManyToOne,
  OneToMany,
  JoinColumn,
} from 'typeorm';
import { Company } from '../../auth/entities/company.entity.js';

/**
 * Warehouse Entity (schema: inventory.warehouses)
 *
 * This is the CANONICAL warehouse entity for the ERP system.
 * All warehouse-related imports should use this entity.
 *
 * Note: The deprecated entity at inventory/entities/warehouse.entity.ts
 * has been superseded by this one and should not be used for new code.
 */
@Entity({ name: 'warehouses', schema: 'inventory' })
@Index('idx_warehouses_tenant_id', ['tenantId'])
@Index('idx_warehouses_company_id', ['companyId'])
@Index('idx_warehouses_code_company', ['companyId', 'code'], { unique: true })
export class Warehouse {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Index()
  @Column({ name: 'tenant_id', type: 'uuid' })
  tenantId: string;

  @Index()
  @Column({ name: 'company_id', type: 'uuid', nullable: true })
  companyId: string | null;

  @ManyToOne(() => Company)
  @JoinColumn({ name: 'company_id' })
  company: Company;

  @Index()
  @Column({ name: 'branch_id', type: 'uuid', nullable: true })
  branchId: string;

  // Identificacion
  @Index()
  @Column({ type: 'varchar', length: 20 })
  code: string;

  @Column({ type: 'varchar', length: 100 })
  name: string;

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

  // Tipo
  @Index()
  @Column({ name: 'warehouse_type', type: 'varchar', length: 20, default: 'standard' })
  warehouseType: 'standard' | 'transit' | 'returns' | 'quarantine' | 'virtual';

  // Direccion
  @Column({ name: 'address_line1', type: 'varchar', length: 200, nullable: true })
  addressLine1: string;

  @Column({ name: 'address_line2', type: 'varchar', length: 200, nullable: true })
  addressLine2: string;

  @Column({ type: 'varchar', length: 100, nullable: true })
  city: string;

  @Column({ type: 'varchar', length: 100, nullable: true })
  state: string;

  @Column({ name: 'postal_code', type: 'varchar', length: 20, nullable: true })
  postalCode: string;

  @Column({ type: 'varchar', length: 3, default: 'MEX' })
  country: string;

  // Contacto
  @Column({ name: 'manager_name', type: 'varchar', length: 100, nullable: true })
  managerName: string;

  @Column({ type: 'varchar', length: 30, nullable: true })
  phone: string;

  @Column({ type: 'varchar', length: 255, nullable: true })
  email: string;

  // Geolocalizacion
  @Column({ type: 'decimal', precision: 10, scale: 8, nullable: true })
  latitude: number;

  @Column({ type: 'decimal', precision: 11, scale: 8, nullable: true })
  longitude: number;

  // Capacidad
  @Column({ name: 'capacity_units', type: 'int', nullable: true })
  capacityUnits: number;

  @Column({ name: 'capacity_volume', type: 'decimal', precision: 10, scale: 4, nullable: true })
  capacityVolume: number;

  @Column({ name: 'capacity_weight', type: 'decimal', precision: 10, scale: 4, nullable: true })
  capacityWeight: number;

  // Configuracion
  @Column({ type: 'jsonb', default: {} })
  settings: {
    allowNegative?: boolean;
    autoReorder?: boolean;
  };

  // Relations (lazy-loaded to avoid circular dependency with inventory module)
  // Note: Location entity in inventory module references this entity via warehouse_id FK
  // Use: await warehouse.locations to load related locations
  @OneToMany('Location', 'warehouse')
  locations: Promise<any[]>;

  // Estado
  @Column({ name: 'is_active', type: 'boolean', default: true })
  isActive: boolean;

  @Column({ name: 'is_default', type: 'boolean', default: false })
  isDefault: boolean;

  // Metadata
  @CreateDateColumn({ name: 'created_at', type: 'timestamptz' })
  createdAt: Date;

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

  @UpdateDateColumn({ name: 'updated_at', type: 'timestamptz' })
  updatedAt: Date;

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

  @DeleteDateColumn({ name: 'deleted_at', type: 'timestamptz', nullable: true })
  deletedAt: Date;
}