using System;
using System.Collections;
using System.Collections.Generic;
using UdonSharp;
using UnityEngine;
using VRC.SDK3.Data;
using VRCBoard.Components;

using UnityEditor;


namespace VRCBoard.Components
{
    [Serializable]
    internal struct BoardEditorConfigEntry
    {
        public const int length = 6;
        [Header("ID")]
        public IDType IDType;
        [Tooltip("Uses with this tag / tier will be displayed")] 
        public string id;
        
        [Header("Styling"), Tooltip("Template to use for this tier, %s will be replaced with the supporter name")]
        public string template;
        public string separator;
        
        [Header("Advanced Options")]
        public bool userMustBeInWorld;
        public bool exclusive;
        
            
        public BoardEditorConfigEntry(string[] data)
        {
            IDType = (IDType)Enum.Parse(typeof(IDType), data[0]);
            id = data[1];
            template = data[2];
            separator = data[3];
            userMustBeInWorld = data[4] == "1";
            exclusive = data[5] == "1";
        }
        public string[] ToArray()
        {
            string[] result = new string[length];
            result[0] = IDType.ToString();
            result[1] = id;
            result[2] = template;
            result[3] = separator;
            result[4] = userMustBeInWorld ? "1" : "0";
            result[5] = exclusive ? "1" : "0";
            return result;
        }
    }
    public abstract class VRCBoardSupporterBoardBase : VRCBoardBaseComponent
    {
        [SerializeField] internal string Separator = "\\n";
        [SerializeField] internal BoardEditorConfigEntry[] ConfigEntries = new BoardEditorConfigEntry[0];
        internal int configLength => config.Length/BoardEditorConfigEntry.length;
        private string GetSeparator(string sep)
        {
            sep = sep.Replace("\\n", "\n");
            sep = sep.Replace("\\t", "\t");
            return sep;
        }
        
        [HideInInspector] public string[] config = new string[0];
        private string _supporterList = "";
        
        
        protected abstract void UpdateSupporterBoard(string supporterList);
        protected override void OnRegister() { }
        
        private string RemovePrefix(string node, string prefix)
        {
            if (node.StartsWith(prefix))
                return node.Substring(prefix.Length);
            return node;
        }
        private string RemoveSuffix(string str, string suffix)
        {
            if (str.EndsWith(suffix))
                return str.Substring(0, str.Length - suffix.Length);
            return str;
        }
        
        private bool GetConfigFromNode(string node, out string[] foundConfig, out int foundIndex)
        {
            // for each entry in string[] config get every fifth element
            // if the first element is equal to the node, return the config
            //Debug.Log("Getting config from node " + node);
            foundConfig = null;
            foundIndex = -1;
            string[] split = node.Split('.');
            string nodeType = split[0].ToLower();
            string nodeValue = split[1].ToLower();
            
            //Debug.Log("Length of config: " + config.Length+ " length of entry: " + BoardEditorConfigEntry.length+" config length: " + configLength);
            for (int i = 0; i < configLength; i++)
            {
                string[] thisConfig = new string[BoardEditorConfigEntry.length];
                for (int j = 0; j < BoardEditorConfigEntry.length; j++)
                {
                    thisConfig[j] = config[i * BoardEditorConfigEntry.length + j];
                }
                
                string id = thisConfig[1];
                string idType = thisConfig[0];
                
                //Debug.Log("Checking " + idType + "." + id + " against " + nodeType + "." + nodeValue);
                
                if (idType.ToLower() == nodeType && id.ToLower() == nodeValue)
                {
                    foundConfig = thisConfig;
                    foundIndex = i;
                    return true;
                }
            }
            
            return false;
        }
        private void GetFormattedSupporter(int index)
        {
            DataDictionary supporterData = manager.GetSupporterData(index);
            DataToken supporterName = supporterData["name"];
            DataToken perkNodes = supporterData["pn"];
            if (supporterName.TokenType != TokenType.String)
                return;
            if (perkNodes.TokenType != TokenType.DataList)
                return;
            DataList perkNodeList = perkNodes.DataList;
            int perkNodeCount = perkNodeList.Count;
            bool reverseSearch = false;
            for (int i = 0; i < perkNodeCount; i++)
            {
                DataToken perkNode = reverseSearch ? perkNodeList[perkNodeCount-1-i] : perkNodeList[i];
                if (perkNode.TokenType != TokenType.String)
                    continue;
                string node = perkNode.String;
                if (!GetConfigFromNode(node, out string[] foundConfig, out int foundIndex))
                    continue;
                
                string template = foundConfig[2];
                string separator = GetSeparator(foundConfig[3]);
                
                string formatted = template.Replace("%s", supporterName.String);
                
                string result = formatted + separator;
                string[] newArray = new string[_supporterListSeperated[foundIndex].Length + 1];
                for (int j = 0; j < _supporterListSeperated[foundIndex].Length; j++)
                {
                    newArray[j] = _supporterListSeperated[foundIndex][j];
                }
                newArray[newArray.Length - 1] = result;
                _supporterListSeperated[foundIndex] = newArray;
                
                
                bool userMustBeInWorld = foundConfig[4] == "1";
                bool exclusive = foundConfig[5] == "1";
                
                if (exclusive)
                    break;
            }
        }
        private string[][] _supporterListSeperated;
        
        private void ResetSupporterList()
        {
            _supporterListSeperated = new string[configLength][];
            for (int i = 0; i < configLength; i++)
            {
                _supporterListSeperated[i] = new string[0];
            }
        }
        private void UpdateSupporterList()
        {
            ResetSupporterList();
            int supporterCount = manager.SupporterCount;
            _supporterList = "";
            for (int i = 0; i < supporterCount; i++)
            {
                GetFormattedSupporter(i);
            }
            // loop through all the seperated lists and join them with the separator
            for (int i = 0; i < _supporterListSeperated.Length; i++)
            {
                for (int j = 0; j < _supporterListSeperated[i].Length; j++)
                {
                    _supporterList += _supporterListSeperated[i][j];
                }

                string separator = GetSeparator(config[i * BoardEditorConfigEntry.length + 3]);
                _supporterList = RemoveSuffix(_supporterList, separator);
                
                if (i != _supporterListSeperated.Length - 1)
                    _supporterList += GetSeparator(Separator);
            }
            
            UpdateSupporterBoard(_supporterList);
        }

        protected override void OnInitialize()
        {
            //Debug.Log("Initializing supporter board component");
        }

        protected override void OnImageDataUpdate() { }
        protected override void OnImageLoaded() { }

        protected override void OnSupporterDataUpdate()
        {
            UpdateSupporterList();
        }
    }
    #if UNITY_EDITOR && !UDONSHARP_COMPILER
    
    [CustomEditor(typeof(VRCBoardSupporterBoardBase), true)]
    public class VRCBoardSupporterBoardBaseEditor : Editor
    {
        // with methods to serialize and deserialize the config arra
        public override void OnInspectorGUI()
        {
            if (Application.isPlaying) return;
            //Debug.Log("EDITORRRR");
            EditorGUILayout.LabelField("Supporter Board Component");
            // apply the editorConfigEntries to config
            List<string> configList = new List<string>();
            VRCBoardSupporterBoardBase targetComponent = (VRCBoardSupporterBoardBase)base.target;
            BoardEditorConfigEntry[] editorConfigEntries = targetComponent.ConfigEntries;
            foreach (BoardEditorConfigEntry entry in editorConfigEntries)
            {
                configList.AddRange(entry.ToArray());
            }
            targetComponent.config = configList.ToArray();
            base.OnInspectorGUI();
        }
    }
    #endif
}