using Microsoft.AspNetCore.Mvc;
using OASystem.API.OAMethodLib.HunYuanAPI;
using TencentCloud.Hunyuan.V20230901.Models;

namespace OASystem.API.Controllers
{
    /// <summary>
    /// AI测试控制器
    /// </summary>
    [Route("api/[controller]")]
    public class AITestController : ControllerBase
    {
        private readonly IHunyuanService _hunyuanService;
        private readonly ILogger<AITestController> _logger;

        public AITestController(IHunyuanService hunyuanService, ILogger<AITestController> logger)
        {
            _hunyuanService = hunyuanService;
            _logger = logger;
        }

        #region 混元 AI
        /// <summary>
        /// 基础对话示例
        /// </summary>
        [HttpPost("chat")]
        public async Task<ActionResult<string>> BasicChat(string question)
        {
            try
            {
                var response = await _hunyuanService.ChatCompletionsHunyuan_t1_latestAsync(question);
                return Ok(response);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "调用腾讯云混元API失败。");
                return StatusCode(500, new { Message = "调用腾讯云API失败，请检查配置或网络。", Detail = ex.Message });
            }
        }

        /// <summary>
        /// 模拟“根据文件提问”的API端点
        /// 注意：此示例中，文件内容通过请求体传入。
        /// 实际场景中，文件内容可能来自用户上传并解析（如PDF、TXT解析为文本）后的结果。
        /// </summary>
        [HttpPost("ask-with-file")]
        public async Task<ActionResult<string>> AskBasedOnFile([FromBody] AskWithFileRequest request)
        {
            if (string.IsNullOrEmpty(request.FileContent) || string.IsNullOrEmpty(request.Question))
            {
                return BadRequest(new { Message = "FileContent和Question字段不能为空。" });
            }

            try
            {
                var answer = await _hunyuanService.AskWithFileContextAsync(request.FileContent, request.Question, request.Model);
                return Ok(answer);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "处理基于文件的提问失败。");
                return StatusCode(500, new { Message = "处理请求失败。", Detail = ex.Message });
            }
        }

        /// <summary>
        /// 用于测试的GET端点，快速验证服务可用性（使用示例数据）
        /// </summary>
        [HttpGet("test-file-query")]
        public async Task<ActionResult<string>> TestFileQuery()
        {
            // 示例文件内容和问题
            var sampleFileContent = "在软件开发中，依赖注入(Dependency Injection)是一种设计模式，用于实现控制反转(Inversion of Control, IoC)。它允许在类外部创建依赖对象，并通过构造函数、属性或方法将其‘注入’到类中，从而降低类之间的耦合度。";
            var sampleQuestion = "依赖注入的主要目的是什么？";
            var model = "hunyuan-lite"; // 可使用 "hunyuan-pro" 等

            try
            {
                var answer = await _hunyuanService.AskWithFileContextAsync(sampleFileContent, sampleQuestion, model);
                return Ok($"测试成功。问题：'{sampleQuestion}'\n回答：{answer}");
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "测试文件提问失败。");
                return StatusCode(500, new { Message = "测试失败。", Detail = ex.Message });
            }
        }

        /// <summary>
        /// 用于“根据文件提问”的请求体
        /// </summary>
        public class AskWithFileRequest
        {
            public string FileContent { get; set; } = string.Empty;
            public string Question { get; set; } = string.Empty;
            public string Model { get; set; } = "hunyuan-lite";
        }
        #endregion

    }
}