using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;

public class QuestionProxy : DataProxy
{
    public List<QuestionInfo> m_QuestionInfos;

    private string m_CurrentTableName;

    /// <summary>
    /// 根据步骤ID获取
    /// </summary>
    /// <param name="stepId"></param>
    /// <returns></returns>
    public QuestionInfo GetQuestionInfoByStepId(int stepId)
    {
      return m_QuestionInfos.Find(t => t.StepId == stepId.ToString());
    }

    /// <summary>
    /// 设置题目信息
    /// </summary>
    public void SetQuestionInfo(QuestionInfo questionInfo)
    {
        QuestionInfo tmpQuestionInfo = m_QuestionInfos.Find(t => t.StepId == questionInfo.StepId);

        if (tmpQuestionInfo == null)
        {
            m_QuestionInfos.Add(questionInfo);
        }
        else
        {
            m_QuestionInfos[m_QuestionInfos.IndexOf(tmpQuestionInfo)] = questionInfo; 
        }

        m_QuestionInfos.Sort((t1,t2) => t1.StepId.CompareTo(t2.StepId));

        WriteStepMsgInfoToTable();

        ReadStepMsgInfoFromTable(m_CurrentTableName);
    }

    /// <summary>
    /// 从表格读取题库信息
    /// </summary>
    /// <param name="tableName"></param>
    /// <returns></returns>
    public List<QuestionInfo> ReadStepMsgInfoFromTable(string tableName)
    {
        m_CurrentTableName = tableName;

        string tmpTableName = tableName + GlobalConfig.excelSuffix;

        List<QuestionInfo> tmpQuestionInfos = new List<QuestionInfo>();

        string tmpPath = Path.Combine(GlobalConfig.operateTablePath, tmpTableName);

        if (!File.Exists(tmpPath))
        {
            ExcelHelper.WriteInfoToExcel(tmpPath, new List<QuestionInfo>());
        }

        m_QuestionInfos = ExcelHelper.ReadInfoFromExcel<QuestionInfo>(tmpPath, 1);

        return m_QuestionInfos;
    }

    public void WriteStepMsgInfoToTable()
    {
        string tmpTableName = m_CurrentTableName + GlobalConfig.excelSuffix;

        string tmpPath = Path.Combine(GlobalConfig.operateTablePath, tmpTableName);

        ExcelHelper.WriteInfoToExcel(tmpPath, m_QuestionInfos);
    }

}

/// <summary>
/// 从表中读取到的数据信息
/// </summary>
public class QuestionInfo
{
    /// <summary>
    /// 步骤ID
    /// </summary>
    public string StepId;
    /// <summary>
    /// 试题类型
    /// </summary>
    public string QuestionType;
    /// <summary>
    /// 试题题目
    /// </summary>
    public string Topic;
    /// <summary>
    /// 试题选项
    /// </summary>
    public string Options;
    /// <summary>
    /// 试题答案
    /// </summary>
    public string Answer;
}