package com.paymentlink.model.entity;

import jakarta.persistence.*;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;

import java.time.LocalDateTime;

@Entity
@Table(name = "translations",
       indexes = @Index(name = "idx_translation_lookup", 
                       columnList = "entityType,entityId,fieldName,languageCode"))
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class Translation {

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

    @Column(nullable = false, length = 50)
    private String entityType; // "product", "category", "ui"

    @Column(nullable = false, length = 100)
    private String entityId; // Product ID, category name, or UI key

    @Column(nullable = false, length = 50)
    private String fieldName; // "name", "description", etc.

    @Column(length = 2, nullable = false)
    private String languageCode; // ISO 639-1 (e.g., "en", "es", "fr")

    @Column(columnDefinition = "TEXT", nullable = false)
    private String translatedText;

    @CreationTimestamp
    @Column(name = "created_at", updatable = false)
    private LocalDateTime createdAt;

    @UpdateTimestamp
    @Column(name = "updated_at")
    private LocalDateTime updatedAt;
}