import { FundAllocationTargetType } from './fund-allocation-target-type.enum';

export interface FundAllocationDTO {
  targetType: FundAllocationTargetType;
  amount: number;
  targetAccountId: string | null;
  metadata?: Record<string, unknown>;
}

export class FundAllocation {
  constructor(
    public readonly targetType: FundAllocationTargetType,
    public readonly amount: number,
    public readonly targetAccountId: string | null,
    public readonly metadata?: Record<string, unknown>,
  ) {
    if (amount < 0) {
      throw new Error('分配金额不能为负数');
    }
  }

  toDTO(): FundAllocationDTO {
    return {
      targetType: this.targetType,
      amount: this.amount,
      targetAccountId: this.targetAccountId,
      metadata: this.metadata,
    };
  }

  equals(other: FundAllocation): boolean {
    return (
      this.targetType === other.targetType &&
      this.amount === other.amount &&
      this.targetAccountId === other.targetAccountId
    );
  }
}