import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  DeleteDateColumn,
  Index,
  ManyToOne,
  OneToMany,
  JoinColumn,
  Unique,
} from 'typeorm';
import { UserBranchAssignment } from './user-branch-assignment.entity';
import { BranchSchedule } from './branch-schedule.entity';
import { BranchPaymentTerminal } from './branch-payment-terminal.entity';

export type BranchType = 'headquarters' | 'regional' | 'store' | 'warehouse' | 'office' | 'factory';

@Entity({ name: 'branches', schema: 'core' })
@Unique(['tenantId', 'code'])
export class Branch {
  @PrimaryGeneratedColumn('uuid')
  id: string;

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

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

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

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

  @Column({ name: 'short_name', type: 'varchar', length: 50, nullable: true })
  shortName: string;

  // Tipo
  @Index()
  @Column({ name: 'branch_type', type: 'varchar', length: 30, default: 'store' })
  branchType: BranchType;

  // Contacto
  @Column({ type: 'varchar', length: 20, nullable: true })
  phone: string;

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

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

  // 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;

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

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

  @Column({ name: 'geofence_radius', type: 'integer', default: 100 })
  geofenceRadius: number; // Radio en metros

  @Column({ name: 'geofence_enabled', type: 'boolean', default: true })
  geofenceEnabled: boolean;

  // Configuracion
  @Column({ type: 'varchar', length: 50, default: 'America/Mexico_City' })
  timezone: string;

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

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

  @Column({ name: 'is_main', type: 'boolean', default: false })
  isMain: boolean; // Sucursal principal/matriz

  // Horarios de operacion
  @Column({ name: 'operating_hours', type: 'jsonb', default: {} })
  operatingHours: Record<string, { open: string; close: string }>;

  // Configuraciones especificas
  @Column({ type: 'jsonb', default: {} })
  settings: {
    allowPos?: boolean;
    allowWarehouse?: boolean;
    allowCheckIn?: boolean;
    [key: string]: any;
  };

  // Jerarquia (path materializado)
  @Index()
  @Column({ name: 'hierarchy_path', type: 'text', nullable: true })
  hierarchyPath: string;

  @Column({ name: 'hierarchy_level', type: 'integer', default: 0 })
  hierarchyLevel: number;

  @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;

  // Relaciones
  @ManyToOne(() => Branch, { nullable: true })
  @JoinColumn({ name: 'parent_id' })
  parent: Branch;

  @OneToMany(() => Branch, (branch) => branch.parent)
  children: Branch[];

  @OneToMany(() => UserBranchAssignment, (assignment) => assignment.branch)
  userAssignments: UserBranchAssignment[];

  @OneToMany(() => BranchSchedule, (schedule) => schedule.branch)
  schedules: BranchSchedule[];

  @OneToMany(() => BranchPaymentTerminal, (terminal) => terminal.branch)
  paymentTerminals: BranchPaymentTerminal[];
}