using System.Collections.Generic;
using UnityEngine;

namespace ZXL.Excel
{
    [System.Serializable]
    public class SingleChoice_QuestionBank_B_Data
    {
        private readonly QuestionType questionType = QuestionType.单选题;
        private List<SingleChoice_QuestionBank_B_DataInfo> _list;

        public List<SingleChoice_QuestionBank_B_DataInfo> data => _list;

        public SingleChoice_QuestionBank_B_Data(List<SingleChoice_QuestionBank_B_DataInfo> list)
        {
            _list = list;
            foreach (var infos in _list)
            {
                List<string> strings = new List<string>();
                for (int i = 0; i < infos.options.Length; i++)
                {
                    var infosOption = infos.options[i].Trim();
                    strings.Add(infosOption);
                }

                infos.options = strings.ToArray();
            }
        }

        public void Remove(string id)
        {
            for (var i = 0; i < _list.Count; i++)
            {
                if (_list[i].id == id)
                    _list.Remove(_list[i]);
            }
        }

        public SingleChoice_QuestionBank_B_DataInfo RandomGet()
        {
            SingleChoice_QuestionBank_B_DataInfo info = null;
            if (_list.Count <= 0)
            {
                return null;
            }

            var range = Random.Range(0, _list.Count);
            info = _list[range];
            _list.RemoveAt(range);
            return info;
        }
    }

    [System.Serializable]
    public class SingleChoice_QuestionBank_B_DataInfo
    {
        public string id;
        public string topic;
        public string[] options;
        public string[] answer;

        public SingleChoice_QuestionBank_B_DataInfo(string id, string topic, string[] options, string[] answer)
        {
            this.id = id;
            this.topic = topic;
            this.options = options;
            this.answer = answer;
        }
    }
}