using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Threading.Tasks;

namespace VideoAnalysisCore.AICore.GPT.Dto
{
    public class VideoKnowRes
    {
        /// <summary>
        /// 问题解释
        /// </summary>
        public float? StartTime { get; set; }
        public float? EndTime { get; set; }
        /// <summary>
        /// 持续时间
        /// </summary>
        public float? KeepTime => (EndTime ?? 0) - StartTime ?? 0;
        /// <summary>
        /// 主题
        /// </summary>
        public string? Theme { get; set; }
        /// <summary>
        /// 新主题
        /// </summary>
        public string? NewTheme { get; set; }
        /// <summary>
        /// 章节
        /// </summary>
        public string? Section { get; set; }
        /// <summary>
        /// 内容总结
        /// </summary>
        public string? Content { get; set; }

    }
    public class FileNameInfo
    {
        /// <summary>
        /// 问题解释
        /// </summary>
        public string? 授课章节 { get; set; }
        public string? 授课内容 { get; set; }

    }
    public class QuestionRes
    {
        /// <summary>
        /// 对应问题的id
        /// </summary>
        public long 问题编号 { get; set; }
        /// <summary>
        /// 结果
        /// </summary>
        public JsonDocument 结果 { get; set; }

        private object? _cached = null;
        /// <summary>
        /// 转换结果为对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public T? ToObject<T>()
        {
            try
            {
                if (_cached != null)
                    return (T)_cached;
                var r = 结果.RootElement.GetRawText();
                if (r is null)
                    return default;
                _cached = System.Text.Json.JsonSerializer.Deserialize<T>(r);

                if (_cached is null)
                    return default;
                return (T)_cached;
            }
            catch
            {
                return default;
            }
        }
        /// <summary>
        /// 问题解释
        /// </summary>
        public string? 问题解释 { get; set; }

    }
    /// <summary>
    /// 课堂AI评价
    /// </summary>
    public class CourseCriteria
    {
        /// <summary>
        /// AI解析
        /// </summary>
        public string Analyze { get; set; } = string.Empty;
        /// <summary>
        /// 问题编号
        /// </summary>
        public long Id { get; set; }
        /// <summary>
        /// AI评估得分
        /// </summary>
        public decimal Score { get; set; }
        /// <summary>
        /// 总分
        /// </summary>
        public decimal TotalScore { get; set; }
        /// <summary>
        /// 及格分数
        /// </summary>
        public decimal PassScore { get; set; }
        /// <summary>
        /// 提词
        /// </summary>         
        public string Prompt { get; set; } = string.Empty;
        /// <summary>
        /// 改进意见
        /// <para>适用于:差的评价<see cref="AssessmentDto.Bad"/></para>
        /// </summary>           
        public string? ImprovedMethods { get; set; }

    }
    /// <summary>
    /// 课堂AI评价结果
    /// </summary>
    public class AssessmentDto
    {
        /// <summary>
        /// 优秀的评价
        /// </summary>
        public CourseCriteria[]? Merit { get; set; }
        /// <summary>
        /// 差的评价
        /// </summary>
        public CourseCriteria[]? Bad { get; set; }
        /// <summary>
        /// 改进意见
        /// </summary>
        public string[]? BadImprovedMethods =>
            (Merit?.Select(s => s.ImprovedMethods ?? string.Empty)?.ToArray() ?? [])
                .Concat(Bad?.Select(s => s.ImprovedMethods ?? string.Empty)?.ToArray() ?? []).ToArray();
    }

}