package com.saas.tenant.entity;

import jakarta.persistence.*;
import lombok.*;

import java.time.LocalDateTime;

/**
 * Retell AI Agent Entity (TENANT DATABASE)
 * 
 * Phase 4.2 - Retell AI Integration
 * - NO tenantId field (physical database isolation)
 * - Maps to Retell AI Voice Agent
 * - Similar to VapiAssistant but for Retell platform
 */
@Entity
@Table(name = "retell_agents")
@Getter
@Setter
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class RetellAgent {
    
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    
    @Column(name = "retell_agent_id", unique = true, nullable = false)
    private String retellAgentId;  // Retell's UUID
    
    @Column(name = "name", nullable = false)
    private String name;
    
    @Column(name = "voice_id")
    private String voiceId;
    
    @Column(name = "language")
    private String language;  // en-US, fr-FR, etc.
    
    @Column(name = "llm_model")
    private String llmModel;  // gpt-4, claude-3, etc.
    
    @Column(name = "system_prompt", columnDefinition = "TEXT")
    private String systemPrompt;
    
    @Column(name = "first_message", columnDefinition = "TEXT")
    private String firstMessage;
    
    @Column(name = "webhook_url")
    private String webhookUrl;
    
    @Column(name = "config", columnDefinition = "JSON")
    private String config;  // JSON configuration
    
    @Column(name = "status")
    private String status;  // ACTIVE, INACTIVE
    
    @Column(name = "created_at")
    private LocalDateTime createdAt;
    
    @Column(name = "updated_at")
    private LocalDateTime updatedAt;
    
    @PrePersist
    protected void onCreate() {
        createdAt = LocalDateTime.now();
        updatedAt = LocalDateTime.now();
    }
    
    @PreUpdate
    protected void onUpdate() {
        updatedAt = LocalDateTime.now();
    }
}