namespace OASystem.API.OAMethodLib.DoubaoAPI
{
    public enum ReasoningEffort
    {
        Minimal,
        Low,
        Medium,
        High
    }

    public class DouBaoChatMessage
    {
        public DouBaoRole Role { get; set; }
        public string Content { get; set; }
    }

    public enum DouBaoRole
    {
        system,
        user,
        assistant
    }

    public class CompleteChatOptions
    {
        public thinkingOptions ThinkingOptions { get; set; } = new thinkingOptions()
        {
            IsThinking = false,
            ReasoningEffort = ReasoningEffort.Minimal
        };
    }


    public class thinkingOptions
    {
        public bool IsThinking { get; set; } = false;
        public ReasoningEffort ReasoningEffort { get; set; } = ReasoningEffort.Minimal;
    }

    public class DoubaoResponse
    {
        public string id { get; set; }
        public string @object { get; set; }
        public long created { get; set; }
        public string model { get; set; }
        public string service_tier { get; set; }
        public List<Choice> choices { get; set; }
        public Usage usage { get; set; }
    }

    public class Choice
    {
        public int index { get; set; }
        public string finish_reason { get; set; }
        public object logprobs { get; set; }  // 可以是 null 或者详细概率结构
        public Message message { get; set; }
    }

    public class Message
    {
        public string role { get; set; }
        public string content { get; set; }
        public string reasoning_content { get; set; } // 豆包特有字段
    }

    public class Usage
    {
        public int completion_tokens { get; set; }
        public int prompt_tokens { get; set; }
        public int total_tokens { get; set; }
        public TokenDetails prompt_tokens_details { get; set; }
        public TokenDetails completion_tokens_details { get; set; }
    }

    public class TokenDetails
    {
        public int reasoning_tokens { get; set; }
    }


    public class DoubaoFileResponse
    {
        public string id { get; set; }
        public string @object { get; set; }
        public long bytes { get; set; }
        public long created_at { get; set; }
        public string filename { get; set; }
        public string purpose { get; set; }
    }

    public interface IDoubaoService
    {
        Task<string> CompleteChatAsync(List<DouBaoChatMessage> messages, CompleteChatOptions? options = null);
        Task<string> CompleteMultimodalChatAsync(List<DoubaoMultimodalChatMessage> messages, CompleteMultimodalChatOptions? options);
        Task<DoubaoFileResponse> UploadFileAsync(Stream fileStream, string fileName, string purpose = "user_data");
        Task<DoubaoFileListResponse> ListFilesAsync();
        Task<bool> DeleteFileAsync(string fileId);
    }

    public class DoubaoFileListResponse
    {
        public string @object { get; set; }
        public List<DoubaoFileResponse> data { get; set; }
    }


    #region 多模态
    // 重命名：DoubaoContentItem → DoubaoMultimodalContentItem
    public class DoubaoMultimodalContentItem
    {
        [JsonProperty("type")]
        // 合法值：input_text（文本）/ input_image（图片）/ input_file（文件）
        public string Type { get; set; }

        [JsonProperty("text", NullValueHandling = NullValueHandling.Ignore)]
        public string Text { get; set; }

        [JsonProperty("image_url", NullValueHandling = NullValueHandling.Ignore)]
        public DoubaoMultimodalImageUrl ImageUrl { get; set; }

        // 补充：文件类型需要的file_id字段
        [JsonProperty("file_id", NullValueHandling = NullValueHandling.Ignore)]
        public string FileId { get; set; }
    }

    // 重命名：DoubaoImageUrl → DoubaoMultimodalImageUrl
    public class DoubaoMultimodalImageUrl
    {
        [JsonProperty("url")]
        public string Url { get; set; }
    }

    // 重命名：DoubaoMultimodalChatMessage（原已带Multimodal，保持但字段适配新类）
    public class DoubaoMultimodalChatMessage
    {
        public string Role { get; set; } // 值必须是 user/system/assistant（小写）
        public List<DoubaoMultimodalContentItem> Content { get; set; } = new List<DoubaoMultimodalContentItem>();
    }

    // 重命名：CompleteChatOptions → CompleteMultimodalChatOptions
    public class CompleteMultimodalChatOptions
    {
        public DoubaoMultimodalThinkingOptions ThinkingOptions { get; set; } = new DoubaoMultimodalThinkingOptions();
        public float Temperature { get; set; } = 0.7f;
        public int? MaxOutputTokens { get; set; }
        public string PreviousResponseId { get; set; }
        public long? ExpireAt { get; set; }
    }

    // 重命名：ThinkingOptions → DoubaoMultimodalThinkingOptions
    public class DoubaoMultimodalThinkingOptions
    {
        public bool IsThinking { get; set; }
        public string ReasoningEffort { get; set; } = "medium";
    }

    // 重命名：DoubaoSetting → DoubaoMultimodalSetting
    public class DoubaoMultimodalSetting
    {
        public string ApiKey { get; set; }
        public string EndpointId { get; set; }
        public string BaseAddress { get; set; }
    }

    // 重命名：DoubaoResponse → DoubaoMultimodalResponse
    public class DoubaoMultimodalResponse
    {
        [JsonProperty("choices")]
        public List<DoubaoMultimodalChoice> Choices { get; set; } = new List<DoubaoMultimodalChoice>();
    }

    // 重命名：DoubaoChoice → DoubaoMultimodalChoice
    public class DoubaoMultimodalChoice
    {
        [JsonProperty("message")]
        public DoubaoMultimodalResponseMessage Message { get; set; }
    }

    // 重命名：DoubaoResponseMessage → DoubaoMultimodalResponseMessage
    public class DoubaoMultimodalResponseMessage
    {
        [JsonProperty("content")]
        public List<DoubaoMultimodalContentItem> Content { get; set; }
    }


    #endregion
}