namespace Dpz.Core.Service.Network.Models;

/// <summary>
/// Chat Completion 流式响应块
/// </summary>
public class StreamCompletionChunk
{
    [JsonPropertyName("id")]
    public string Id { get; set; } = string.Empty;

    [JsonPropertyName("object")]
    public string Object { get; set; } = string.Empty;

    [JsonPropertyName("created")]
    public long Created { get; set; }

    [JsonPropertyName("model")]
    public string Model { get; set; } = string.Empty;

    [JsonPropertyName("provider")]
    public string? Provider { get; set; }

    [JsonPropertyName("choices")]
    public List<StreamCompletionChoice> Choices { get; set; } = [];

    [JsonPropertyName("usage")]
    public Usage? Usage { get; set; }
}

/// <summary>
/// 流式响应中的选择项
/// </summary>
public class StreamCompletionChoice
{
    [JsonPropertyName("index")]
    public int Index { get; set; }

    [JsonPropertyName("delta")]
    public DeltaMessage Delta { get; set; } = new();

    [JsonPropertyName("logprobs")]
    public object? LogProbs { get; set; }

    [JsonPropertyName("finish_reason")]
    public string? FinishReason { get; set; }

    [JsonPropertyName("native_finish_reason")]
    public string? NativeFinishReason { get; set; }
}

/// <summary>
/// 流式响应中的增量消息
/// </summary>
public class DeltaMessage
{
    [JsonPropertyName("role")]
    public string? Role { get; set; }

    [JsonPropertyName("content")]
    public string? Content { get; set; }

    [JsonPropertyName("reasoning")]
    public string? Reasoning { get; set; }

    [JsonPropertyName("reasoning_details")]
    public List<ReasoningDetail>? ReasoningDetails { get; set; }
}

/// <summary>
/// 推理详情（用于Claude的思考功能）
/// </summary>
public class ReasoningDetail
{
    [JsonPropertyName("type")]
    public string Type { get; set; } = string.Empty;

    [JsonPropertyName("data")]
    public string Data { get; set; } = string.Empty;

    [JsonPropertyName("id")]
    public string? Id { get; set; }

    [JsonPropertyName("format")]
    public string? Format { get; set; }

    [JsonPropertyName("index")]
    public int? Index { get; set; }
}