using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;
using UnityEngine.UI;

namespace Script.UI
{
    public class GroupPanel : PanelBase
    {
        public GameObject item;
        public Button btn_Close;
        public Button btn_Stop;

        class GroupPanelData
        {
            private GameObject go;
            private Text txt_ID;
            private Text txt_Name;

            public GroupPanelData(GameObject go, string idStr, string nameStr = "")
            {
                txt_ID = go.transform.GetChild(0).GetComponent<Text>();
                txt_Name = go.transform.GetChild(1).GetComponent<Text>();
                txt_ID.text = idStr;
                txt_Name.text = nameStr;
            }

            public void SetCultureName(string name)
            {
                this.txt_Name.text = name;
            }
        }

        private Dictionary<int, GroupPanelData> groups = new Dictionary<int, GroupPanelData>();
        private bool isRolling;

        public override void Init()
        {
            base.Init();
            btn_Close.onClick.AddListener(ClickClose);
            btn_Stop.onClick.AddListener(ClickStop);

            btn_Close.gameObject.SetActive(false);
            btn_Stop.gameObject.SetActive(true);
        }

        private void ClickStop()
        {
            btn_Close.gameObject.SetActive(true);
            btn_Stop.gameObject.SetActive(false);

            // 
            isRolling = false;
        }

        public override void Dispose()
        {
            base.Dispose();
            btn_Close.onClick.RemoveListener(ClickClose);
            btn_Stop.onClick.RemoveListener(ClickStop);
        }

        public override void Open()
        {
            base.Open();
            InitItem();
        }

        private void ClickClose()
        {
            UIManager.Instance.OpenPanel(PanelType.Finish);
        }

        void InitItem()
        {
            List<SummaryInfo> cache = new List<SummaryInfo>(GlobalManager.Instance.list);
            List<SummaryInfo> end = new List<SummaryInfo>();

            var num = cache.Count % 2; // 平均后多出来的
            var listNum = cache.Count / 2; // 
            var groupAName = ExcelManager.Instance.GetGroupInfoA.groupName;
            var groupBName = ExcelManager.Instance.GetGroupInfoB.groupName;

            // A
            var count = listNum + num;
            for (int i = 0; i < count; i++)
            {
                var range = Random.Range(0, cache.Count - 1);
                var summaryInfo = cache[range];
                summaryInfo.group = groupAName;
                end.Add(summaryInfo);
                cache.Remove(summaryInfo);
            }

            // B
            for (int i = 0; i < listNum; i++)
            {
                var range = Random.Range(0, cache.Count - 1);
                var summaryInfo = cache[range];
                summaryInfo.group = groupBName;
                end.Add(summaryInfo);
                cache.Remove(summaryInfo);
            }

            // 排个序
            var list = end.OrderBy(t => t.id).ToList();

            // StringBuilder sb = new StringBuilder();

            foreach (var summaryInfo in list)
            {
                item.SetActive(false);
                GenItem(summaryInfo.id, summaryInfo.group);
                // sb.AppendLine($"选手ID：{summaryInfo.id}");
                // sb.AppendLine($"选手分组：{summaryInfo.group}");
                // sb.AppendLine($"\n");
            }

            isRolling = true;
            StartCoroutine(RandomRoll());
            // FileManager.Instance.SavePlayerData(sb.ToString());
        }

        private void GenItem(string id, string group)
        {
            var go = GameObject.Instantiate(item, item.transform.parent);
            go.name = id;
            // var txt_ID = go.transform.Find("txt_ID").GetComponent<Text>();
            // var txt_Group = go.transform.Find("txt_Group").GetComponent<Text>();
            // txt_ID.text = id;
            // txt_Group.text = group;
            go.SetActive(true);
            groups.Add(int.Parse(id), new GroupPanelData(go, id, group));
        }

        IEnumerator RandomRoll()
        {
            while (isRolling)
            {
                yield return new WaitForSeconds(0.02f);
                var info = ExcelManager.Instance.GetGroupRandomInfo;
                foreach (var culturePanelData in groups.Values)
                {
                    culturePanelData.SetCultureName(info.groupName);
                }
            }

            ShowResult();
        }

        void ShowResult()
        {
            List<SummaryInfo> cache = new List<SummaryInfo>(GlobalManager.Instance.list);
            List<SummaryInfo> end = new List<SummaryInfo>();

            var num = cache.Count % 2; // 平均后多出来的
            var listNum = cache.Count / 2; // 
            var groupAName = ExcelManager.Instance.GetGroupInfoA.groupName;
            var groupBName = ExcelManager.Instance.GetGroupInfoB.groupName;

            // A
            var count = listNum + num;
            for (int i = 0; i < count; i++)
            {
                var range = Random.Range(0, cache.Count - 1);
                var summaryInfo = cache[range];
                summaryInfo.group = groupAName;
                end.Add(summaryInfo);
                cache.Remove(summaryInfo);
            }

            // B
            for (int i = 0; i < listNum; i++)
            {
                var range = Random.Range(0, cache.Count - 1);
                var summaryInfo = cache[range];
                summaryInfo.group = groupBName;
                end.Add(summaryInfo);
                cache.Remove(summaryInfo);
            }

            // 排个序
            var list = end.OrderBy(t => t.id).ToList();

            StringBuilder sb = new StringBuilder();

            foreach (var summaryInfo in list)
            {
                item.SetActive(false);
                SetItem(summaryInfo.id, summaryInfo.group);
                sb.AppendLine($"选手ID：{summaryInfo.id}");
                sb.AppendLine($"选手分组：{summaryInfo.group}");
                sb.AppendLine($"\n");
            }

            GlobalManager.Instance.list = list;

            FileManager.Instance.SavePlayerData(sb.ToString());
        }

        private void SetItem(string id, string name)
        {
            var i = int.Parse(id);
            if (groups.TryGetValue(i, out var data))
            {
                data.SetCultureName(name);
            }
        }
    }
}