package com.nebula.erp.sales.model;

import com.fasterxml.jackson.annotation.JsonBackReference;
import jakarta.persistence.*;
import lombok.Data;
import lombok.Getter;
import lombok.Setter;
import java.time.Instant;

@Data
@Entity
@Table(name = "sales_item")
@Getter
@Setter
public class SalesItem {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    @ManyToOne
    @JoinColumn(name = "sale_id", nullable = false)
    @JsonBackReference
    private Sales sales;

    @Column(nullable = true)
    private String product_id;

    @Column(nullable = true)
    private String product_name;

    @Column(nullable = false)
    private Integer quantity;

    @Column(nullable = false)
    private Double unit_price;

    @Column(nullable = false)
    private Double total_price;

    private String batch_code;

    @Column(nullable = false)
    private String type;

    @Column(nullable = true)
    private Long tax_id;

    @Column(nullable = true)
    private Double tax_rate;

    @Column(nullable = false)
    private String created_by;

    @Column(nullable = false)
    private String tenant;

    @Column(name = "prescription_item_id")
    private Long prescription_item_id;

    private Long room_id;

    private String location_id;

    private String room_number;

    @Column(nullable = false, updatable = false)
    private Instant created_at;

    @Column(nullable = false)
    private Instant updated_at;

    private Instant deleted_at;

    public Sales getSales() {
        return sales;
    }

    public void setSales(Sales sales) {
        this.sales = sales;
    }

    @PrePersist
    protected void onCreate() {
        Instant now = Instant.now();
        created_at = now;
        updated_at = now;
    }

    @PreUpdate
    protected void onUpdate() {
        updated_at = Instant.now();
    }
}