using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Sirenix.OdinInspector;
using UnityEngine.UI;

namespace KairoEngine.Core.ConfigOptions
{
    [CreateAssetMenu(fileName = "ScreenResolutionConfigOption", menuName = "KairoEngine/ConfigOptions/Screen Resolution", order = 1), HideMonoScript]
    public class ScreenResolutionConfigOption : ConfigOptionBase
    {
        [PropertyOrder(10)] public int defaultResolutionIndex;

        [PropertyOrder(11), ListDrawerSettings(ShowPaging = false), PropertySpace(4,4)]
        public List<ResolutionData> resolutionList;
        [PropertyOrder(12), TextArea(), HideLabel, PropertySpace(0, 4)] public string description;
        private int currentResolutionIndex;
        private bool showDebug = false;

        public override ConfigOptionUiData GetUiData()
        {
            var options = new List<string>();
            for (int i = 0; i < resolutionList.Count; i++)
            {
                options.Add(resolutionList[i].title);
            }
            var dropdownData = new ConfigOptionUiData.DropdownData(currentResolutionIndex, options);
            return new ConfigOptionUiData(title, description, dropdownData);
        }

        public override void LoadValue(bool debug)
        {
            currentResolutionIndex  = PlayerPrefs.GetInt(id, defaultResolutionIndex);
            showDebug = debug;
            ApplyConfig();
            //if(debug) Debug.Log($"{title} changed to {resolutionList[currentResolutionIndex].title}.");
        }

        public override void SetDefaultValue()
        {
            currentResolutionIndex = defaultResolutionIndex;
            PlayerPrefs.SetInt(id, currentResolutionIndex);
            ApplyConfig();
        }

        public override void SetValue(ConfigOptionData data, bool save = false)
        {
            PlayerPrefs.SetInt(id, data.intValue);
            currentResolutionIndex = data.intValue;
            ApplyConfig();
            if(save) PlayerPrefs.SetFloat(id, currentResolutionIndex);
        }

        private void ApplyConfig() 
        {
            Resolution res = resolutionList[currentResolutionIndex].ToResolution();
            if(Screen.currentResolution.ToString() != res.ToString())
            {
                Screen.SetResolution(res.width, res.height, Screen.fullScreen, res.refreshRate);
                if(showDebug) Debug.Log($"Changing resolution to {res.ToString()}");
            }
            else if(showDebug) Debug.Log($"Current resolution is already set to {res.ToString()}");
        }

        [Button("Apply Default"), PropertyOrder(13), ButtonGroup("Actions")]
        private void ApplyDefaultConfig()
        {
            currentResolutionIndex = defaultResolutionIndex;
            ApplyConfig();
        }

        [Button("Reset Resolution List"), PropertyOrder(14), ButtonGroup("Actions")]
        private void SetResolutions() 
        {
            resolutionList.Clear();
            var resolutions = FilteredResolutions();
            for (int i = 0; i < resolutions.Length; i++)
            {
                var res = resolutions[i];
                resolutionList.Add(new ResolutionData(res.ToString(), res.width, res.height, res.refreshRate));
            }
        }

        private Resolution[] FilteredResolutions()
        {
            Resolution[] resolutions = Screen.resolutions;
            List<Resolution> filtered = new List<Resolution>();
            for (int i = 0; i < resolutions.Length; i++)
            {
                if(resolutions[i].refreshRate == 59) continue;
                if(resolutions[i].refreshRate == 50) continue;
                if(resolutions[i].refreshRate == 30) continue;
                if(resolutions[i].refreshRate == 29) continue;
                if(resolutions[i].refreshRate == 25) continue;
                if(resolutions[i].refreshRate == 24) continue;
                if(resolutions[i].refreshRate == 23) continue;
                filtered.Add(resolutions[i]);
            }
            return filtered.ToArray();
        }

        [System.Serializable]
        public class ResolutionData
        {
            [ReadOnly, HideLabel] public string title;
            [HideInInspector] public int width;

            [HideInInspector] public int height;

            [HideInInspector] public int refreshRate;

            public ResolutionData(string title, int width, int height, int refreshRate)
            {
                this.title = title;
                this.width = width;
                this.height = height;
                this.refreshRate = refreshRate;
            }

            public Resolution ToResolution()
            {
                var res = new Resolution();
                res.width = this.width;
                res.height = this.height;
                res.refreshRate = this.refreshRate;
                return res;
            }
        }
    }
}