package com.billpaymentservice.bbps.entites;


import java.util.List;
import jakarta.persistence.ForeignKey;


import jakarta.persistence.CascadeType;
import jakarta.persistence.CollectionTable;
import jakarta.persistence.Column;
import jakarta.persistence.ConstraintMode;
import jakarta.persistence.ElementCollection;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.ManyToOne;
import jakarta.persistence.OneToMany;
import jakarta.persistence.Table;
import lombok.Getter;
import lombok.Setter;

@Getter
@Setter
@Entity
@Table(name = "bbps_biller_groups")

public class Group extends Auditable {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "group_id")
    private Long id;

    @Column(name = "group_name")
    private String name;

    @Column(name = "input")
    private String input;

    @CollectionTable(
    	    name = "group_params",
    	    joinColumns = @JoinColumn(name = "group_id"),
    	    foreignKey = @ForeignKey(value = ConstraintMode.NO_CONSTRAINT)
    	)
    private List<String> params;

    // 🔗 Parent group relationship (for nested groups)
    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "parent_group_id")
    private Group parentGroup;

    // 🔁 Child groups (self-reference)
    @OneToMany(mappedBy = "parentGroup", cascade = CascadeType.ALL, orphanRemoval = true)
    private List<Group> groups;

    // 🔗 Back reference to CustomerParamGroups
    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "group_container_id")
    private CustomerParamGroups customerParamGroups;
}