import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  ManyToOne,
  JoinColumn,
} from 'typeorm';
import { CommissionSchemeEntity } from './commission-scheme.entity';
import { CommissionAssignmentEntity } from './commission-assignment.entity';
import { CommissionPeriodEntity } from './commission-period.entity';

export enum EntryStatus {
  PENDING = 'pending',
  APPROVED = 'approved',
  REJECTED = 'rejected',
  PAID = 'paid',
  CANCELLED = 'cancelled',
}

@Entity({ schema: 'commissions', name: 'entries' })
export class CommissionEntryEntity {
  @PrimaryGeneratedColumn('uuid')
  id: string;

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

  @Column({ name: 'user_id', type: 'uuid' })
  userId: string;

  @Column({ name: 'scheme_id', type: 'uuid' })
  schemeId: string;

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

  @Column({ name: 'reference_type', length: 50 })
  referenceType: string;

  @Column({ name: 'reference_id', type: 'uuid' })
  referenceId: string;

  @Column({ name: 'base_amount', type: 'decimal', precision: 15, scale: 2 })
  baseAmount: number;

  @Column({ name: 'rate_applied', type: 'decimal', precision: 5, scale: 2 })
  rateApplied: number;

  @Column({ name: 'commission_amount', type: 'decimal', precision: 15, scale: 2 })
  commissionAmount: number;

  @Column({ length: 3, default: 'USD' })
  currency: string;

  @Column({
    type: 'enum',
    enum: EntryStatus,
    enumName: 'entry_status',
    default: EntryStatus.PENDING,
  })
  status: EntryStatus;

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

  @Column({ name: 'paid_at', type: 'timestamptz', nullable: true })
  paidAt: Date;

  @Column({ name: 'payment_reference', length: 255, nullable: true })
  paymentReference: string;

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

  @Column({ type: 'jsonb', default: {} })
  metadata: Record<string, any>;

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

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

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

  @Column({ name: 'approved_at', type: 'timestamptz', nullable: true })
  approvedAt: Date;

  @ManyToOne(() => CommissionSchemeEntity, (scheme) => scheme.entries)
  @JoinColumn({ name: 'scheme_id' })
  scheme: CommissionSchemeEntity;

  @ManyToOne(() => CommissionAssignmentEntity)
  @JoinColumn({ name: 'assignment_id' })
  assignment: CommissionAssignmentEntity;

  @ManyToOne(() => CommissionPeriodEntity, (period) => period.entries)
  @JoinColumn({ name: 'period_id' })
  period: CommissionPeriodEntity;
}