import Decimal from "decimal.js";
import { Column, Entity, ManyToOne } from "typeorm";

import { Invoice } from "./invoice.entity";
import { BaseEntity } from "../../../common/entities/base.entity";
import { DecimalTransformer } from "../../../common/transformers/decimal.transformer";
import { UserSubscription } from "../../subscriptions/entities/user-subscription.entity";

@Entity()
export class InvoiceItem extends BaseEntity {
  @ManyToOne(() => Invoice, (invoice) => invoice.items, { onDelete: "CASCADE" })
  invoice: Invoice;

  @Column({ type: "varchar", length: 150, nullable: false })
  name: string;

  @Column({ type: "int", nullable: false })
  count: number;

  @Column({ type: "decimal", precision: 16, scale: 2, nullable: false, transformer: new DecimalTransformer() })
  discount: Decimal;

  @Column({ type: "decimal", precision: 16, scale: 2, nullable: false, transformer: new DecimalTransformer() })
  unitPrice: Decimal;

  @Column({ type: "decimal", precision: 16, scale: 2, nullable: false, transformer: new DecimalTransformer() })
  totalPrice: Decimal;

  @ManyToOne(() => UserSubscription, { nullable: true, onDelete: "RESTRICT" })
  subscriptionPlan: UserSubscription | null;
}