package com.saas.voip.dto.request;

import com.fasterxml.jackson.annotation.JsonProperty;
import jakarta.validation.constraints.*;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.Map;

/**
 * Request DTO for creating Vapi assistants.
 * Based on official Vapi API v1 schema.
 */
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class CreateVapiAssistantRequest {

    @NotBlank(message = "Assistant name is required")
    @Size(min = 1, max = 255, message = "Name must be between 1 and 255 characters")
    private String name;

    @Size(max = 1000, message = "Description cannot exceed 1000 characters")
    private String description;

    @JsonProperty("first_message")
    @Size(max = 1000, message = "First message cannot exceed 1000 characters")
    private String firstMessage;

    @JsonProperty("system_prompt")
    @NotBlank(message = "System prompt is required")
    @Size(min = 10, max = 2000, message = "System prompt must be between 10 and 2000 characters")
    private String systemPrompt;

    @JsonProperty("voice_provider")
    @NotNull(message = "Voice provider is required")
    private String voiceProvider;  // e.g., "11labs", "openai", "google"

    @JsonProperty("voice_id")
    private String voiceId;  // Provider-specific voice ID

    @JsonProperty("model")
    @Builder.Default
    private String model = "gpt-4";

    @JsonProperty("temperature")
    @DecimalMin(value = "0.0")
    @DecimalMax(value = "2.0")
    @Builder.Default
    private Double temperature = 0.7;

    @JsonProperty("max_duration_seconds")
    @Min(value = 60, message = "Max duration must be at least 60 seconds")
    @Max(value = 3600, message = "Max duration cannot exceed 3600 seconds")
    @Builder.Default
    private Integer maxDurationSeconds = 1800;

    @JsonProperty("enable_transcription")
    @Builder.Default
    private Boolean enableTranscription = true;

    @JsonProperty("enable_recording")
    @Builder.Default
    private Boolean enableRecording = true;

    @JsonProperty("custom_metadata")
    private Map<String, Object> customMetadata;
}