using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

/// <summary>
/// 物料状态枚举
/// </summary>
public enum MaterialCondition
{
    Normal, // 正常
    Damaged, // 破损
    Unknown // 无法确定
}

/// <summary>
/// 物料品类一致性枚举
/// </summary>
public enum MaterialCategoryConsistency
{
    Consistent, // 一致
    Inconsistent, // 不一致
    Unknown // 不适用/未知
}


public class MaterialCheckHelper
{
    /// <summary>
    /// 查询JSON中"物料X检查外观"的详细信息
    /// </summary>
    public static List<MaterialCheckInfo> GetMaterialAppearanceCheckDetails(string jsonContent)
    {
        var result = new List<MaterialCheckInfo>();

        try
        {
            // 解析JSON
            JArray jsonArray = JArray.Parse(jsonContent);

            // 遍历所有步骤
            foreach (JObject step in jsonArray)
            {
                string stepDescription = step["StepDescription"]?.ToString();

                // 获取Actions数组
                JArray actions = step["Actions"] as JArray;
                if (actions == null) continue;

                // 遍历所有Actions
                foreach (JObject action in actions)
                {
                    string actionTitle = action["Title"]?.ToString();

                    // 获取JudgmentQuestions数组
                    JArray judgmentQuestions = action["JudgmentQuestions"] as JArray;
                    if (judgmentQuestions == null) continue;

                    // 遍历所有判断题
                    foreach (JObject question in judgmentQuestions)
                    {
                        string questionText = question["Question"]?.ToString();

                        // 检查是否包含"物料X检查外观"模式
                        if (!string.IsNullOrEmpty(questionText) &&
                            questionText.Contains("物料") &&
                            questionText.Contains("检查外观"))
                        {
                            // 提取物料编号和品类
                            string materialNumber = ExtractMaterialNumber(questionText);
                            string materialCategory = ExtractMaterialCategory(questionText);

                            // 解析答案选项
                            var answerOptions = ParseAnswerOptions(question);
                            string correctAnswer = question["CorrectAnswer"]?.ToString();
                            string condition = DetermineCondition(answerOptions, correctAnswer);
                            MaterialCondition conditionEnum = DetermineConditionEnum(answerOptions, correctAnswer);
                            MaterialCategoryConsistency categoryConsistency = MaterialCategoryConsistency.Unknown; // 外观检查不涉及品类一致性

                            result.Add(new MaterialCheckInfo
                            {
                                MaterialNumber = materialNumber,
                                Question = questionText,
                                StepDescription = stepDescription,
                                ActionTitle = actionTitle,
                                CorrectAnswer = correctAnswer,
                                AnswerOptions = answerOptions,
                                Condition = condition,
                                ConditionEnum = conditionEnum,
                                MaterialCategory = materialCategory,
                                CategoryConsistency = categoryConsistency
                            });
                        }
                        // 检查是否包含"物料X物资品类是否一致"模式
                        else if (!string.IsNullOrEmpty(questionText) &&
                                 questionText.Contains("物料") &&
                                 questionText.Contains("物资品类是否一致"))
                        {
                            // 提取物料编号
                            string materialNumber = ExtractMaterialNumber(questionText);
                            string materialCategory = "品类检查"; // 这是品类一致性检查

                            // 解析答案选项
                            var answerOptions = ParseAnswerOptions(question);
                            string correctAnswer = question["CorrectAnswer"]?.ToString();
                            string condition = "不适用"; // 品类检查不涉及外观状态
                            MaterialCondition conditionEnum = MaterialCondition.Unknown; // 不适用
                            MaterialCategoryConsistency categoryConsistency = DetermineCategoryConsistency(correctAnswer);

                            result.Add(new MaterialCheckInfo
                            {
                                MaterialNumber = materialNumber,
                                Question = questionText,
                                StepDescription = stepDescription,
                                ActionTitle = actionTitle,
                                CorrectAnswer = correctAnswer,
                                AnswerOptions = answerOptions,
                                Condition = condition,
                                ConditionEnum = conditionEnum,
                                MaterialCategory = materialCategory,
                                CategoryConsistency = categoryConsistency
                            });
                        }
                        // 检查是否包含"物料X厂家是否一致"模式
                        else if (!string.IsNullOrEmpty(questionText) &&
                                 questionText.Contains("物料") &&
                                 questionText.Contains("厂家是否一致"))
                        {
                            // 提取物料编号
                            string materialNumber = ExtractMaterialNumber(questionText);
                            string materialCategory = "厂家检查"; // 这是厂家一致性检查

                            // 解析答案选项
                            var answerOptions = ParseAnswerOptions(question);
                            string correctAnswer = question["CorrectAnswer"]?.ToString();
                            string condition = "不适用"; // 厂家检查不涉及外观状态
                            MaterialCondition conditionEnum = MaterialCondition.Unknown; // 不适用
                            MaterialCategoryConsistency categoryConsistency = MaterialCategoryConsistency.Unknown; // 不适用

                            result.Add(new MaterialCheckInfo
                            {
                                MaterialNumber = materialNumber,
                                Question = questionText,
                                StepDescription = stepDescription,
                                ActionTitle = actionTitle,
                                CorrectAnswer = correctAnswer,
                                AnswerOptions = answerOptions,
                                Condition = condition,
                                ConditionEnum = conditionEnum,
                                MaterialCategory = materialCategory,
                                CategoryConsistency = categoryConsistency
                            });
                        }
                    }
                }
            }

            return result;
        }
        catch (Exception ex)
        {
            Console.WriteLine($"解析JSON时发生错误: {ex.Message}");
            return result;
        }
    }

    /// <summary>
    /// 解析答案选项
    /// </summary>
    private static List<string> ParseAnswerOptions(JObject question)
    {
        var options = new List<string>();

        try
        {
            // 尝试获取Options数组
            JArray optionsArray = question["Options"] as JArray;
            if (optionsArray != null)
            {
                foreach (var option in optionsArray)
                {
                    options.Add(option?.ToString());
                }
            }
            else
            {
                // 根据问题类型设置默认选项
                string questionText = question["Question"]?.ToString();
                if (questionText?.Contains("检查外观") == true)
                {
                    options.Add("正常");
                    options.Add("缺陷");
                }
                else if (questionText?.Contains("是否一致") == true)
                {
                    options.Add("一致");
                    options.Add("不一致");
                }
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine($"解析答案选项时发生错误: {ex.Message}");
            // 使用默认选项
            options.Add("正常");
            options.Add("缺陷");
        }

        return options;
    }

    /// <summary>
    /// 判断物料状态（正常/缺陷）
    /// </summary>
    private static string DetermineCondition(List<string> answerOptions, string correctAnswer)
    {
        if (string.IsNullOrEmpty(correctAnswer))
            return "无法确定";

        // 检查正确答案
        if (correctAnswer.Contains("正常") || correctAnswer.Contains("完好"))
            return "正常";

        if (correctAnswer.Contains("缺陷") || correctAnswer.Contains("破损") || correctAnswer.Contains("损坏"))
            return "缺陷";

        // 检查答案选项索引
        if (int.TryParse(correctAnswer, out int answerIndex) && answerIndex < answerOptions.Count)
        {
            string selectedOption = answerOptions[answerIndex];
            if (selectedOption.Contains("正常") || selectedOption.Contains("完好"))
                return "正常";
            if (selectedOption.Contains("缺陷") || selectedOption.Contains("破损") || selectedOption.Contains("损坏"))
                return "缺陷";
        }

        return "无法确定";
    }

    /// <summary>
    /// 判断物料状态枚举值
    /// </summary>
    private static MaterialCondition DetermineConditionEnum(List<string> answerOptions, string correctAnswer)
    {
        string condition = DetermineCondition(answerOptions, correctAnswer);

        switch (condition)
        {
            case "正常":
                return MaterialCondition.Normal;
            case "缺陷":
                return MaterialCondition.Damaged;
            default:
                return MaterialCondition.Unknown;
        }
    }

    /// <summary>
    /// 从问题文本中提取物料编号
    /// </summary>
    private static string ExtractMaterialNumber(string questionText)
    {
        // 使用正则表达式提取物料编号
        var match = System.Text.RegularExpressions.Regex.Match(questionText, @"物料(\d+)");
        return match.Success ? match.Groups[1].Value : "未知";
    }

    /// <summary>
    /// 从问题文本中提取物料品类
    /// </summary>
    private static string ExtractMaterialCategory(string questionText)
    {
        // 常见的物料品类关键词
        var categories = new[] { "电缆", "终端", "接头", "绝缘子", "避雷器", "开关", "变压器", "配电箱", "导线", "金具" };

        foreach (var category in categories)
        {
            if (questionText.Contains(category))
            {
                return category;
            }
        }

        return "未知品类";
    }

    /// <summary>
    /// 判断物料品类一致性
    /// </summary>
    private static MaterialCategoryConsistency DetermineCategoryConsistency(string correctAnswer)
    {
        if (string.IsNullOrEmpty(correctAnswer))
            return MaterialCategoryConsistency.Inconsistent;

        // 直接判断CorrectAnswer是否为"一致"
        if (correctAnswer == "一致")
            return MaterialCategoryConsistency.Consistent;
        else
            return MaterialCategoryConsistency.Inconsistent;
    }
}

/// <summary>
/// 物料检查信息类
/// </summary>
public class MaterialCheckInfo
{
    public string MaterialNumber { get; set; }
    public string Question { get; set; }
    public string StepDescription { get; set; }
    public string ActionTitle { get; set; }
    public string CorrectAnswer { get; set; }
    public List<string> AnswerOptions { get; set; } = new List<string>();
    public string Condition { get; set; }
    public MaterialCondition ConditionEnum { get; set; }
    public string MaterialCategory { get; set; } // 物料品类
    public MaterialCategoryConsistency CategoryConsistency { get; set; } // 品类一致性

    public bool IsNormal => ConditionEnum == MaterialCondition.Normal;
    public bool IsDamaged => ConditionEnum == MaterialCondition.Damaged;
    public bool IsUnknown => ConditionEnum == MaterialCondition.Unknown;
    public bool IsCategoryConsistent => CategoryConsistency == MaterialCategoryConsistency.Consistent;
    public bool IsCategoryInconsistent => CategoryConsistency == MaterialCategoryConsistency.Inconsistent;
}