using System;
using System.Collections;
using System.Collections.Generic;
using PixelCrushers.DialogueSystem;
using Sirenix.OdinInspector;
using PixelCrushers;
using PixelCrushers.QuestMachine;
using Sirenix.Utilities;
using UnityEngine;
using UnityEngine.Events;


namespace Beyond
{
    public class DayNightSettings : Saver, IMessageHandler
    {
        [ToggleGroup("m_enableNightConditions", "NightConditions")]
        public bool m_enableNightConditions;

        [ToggleGroup("m_enableNightConditions", "NightConditions")]
        public Condition[] m_nightCondition;

        [ToggleGroup("m_enableDayConditions", "DayConditions")]
        public bool m_enableDayConditions;

        [ToggleGroup("m_enableDayConditions", "DayConditions")]
        public Condition m_dayCondition;

        public class SaveData
        {
            public bool isNight = false;
        }

        private SaveData m_saveData = null;
        
        [Serializable]
        public struct Settings
        {
            public Settings(float fd, Color fc, Material sbM,
                Color aSkyC, Color aGrC, Color aEqC)
            {
                fogDensity = fd;
                fogColor = fc;
                skyboxMat = sbM;
                ambientSkyColor = aSkyC;
                ambientGroundColor = aGrC;
                ambientEquatorColor = aEqC;
                toEnable = null;
                toDisable = null;
                changeEvent = null;
            }

            public float fogDensity;
            public Color fogColor;
            public Material skyboxMat;
            public Color ambientSkyColor;
            public Color ambientGroundColor;
            public Color ambientEquatorColor;
            public GameObject[] toEnable;
            public GameObject[] toDisable;
            public UnityEvent changeEvent;
        }

        public Settings m_daySettings = new Settings(0.01f, Color.cyan, null,
            Color.blue, Color.blue, Color.blue);

        public Settings m_nightSettings = new Settings(0.01f, Color.cyan, null,
            Color.blue, Color.blue, Color.blue);

        public enum StartAction
        {
            NOTHING,
            SET_DAY,
            SET_NIGHT
        }

        public StartAction m_startAction = StartAction.NOTHING;

        [Button]
        public void SetDay()
        {
            ApplySettings(m_daySettings);
            m_saveData.isNight = false;
        }

        [Button]
        public void SetNight()
        {
            ApplySettings(m_nightSettings);
            m_saveData.isNight = true;
        }

        private void Awake()
        {
            m_saveData = new SaveData();
            MessageSystem.AddListener(this, QuestMachineMessages.QuestStateChangedMessage, string.Empty);
            PixelCrushers.SaveSystem.saveDataApplied += OnSaveDataApplied;
        }

        private void OnDestroy()
        {
            PixelCrushers.SaveSystem.saveDataApplied -= OnSaveDataApplied;
            MessageSystem.RemoveListener(this, QuestMachineMessages.QuestStateChangedMessage, string.Empty);
        }

        public override string RecordData()
        {
            return SaveSystem.Serialize(m_saveData);        }

        public override void ApplyData(string s)
        {
            var data = SaveSystem.Deserialize<SaveData>(s);
            if (data == null)
                data = new SaveData();
            if (data.isNight)
            {
                SetNight();
            }
            else
            {
                SetDay();
            }
        }

        void OnSaveDataApplied()
        {
            //PixelCrushers.SaveSystem.saveDataApplied -= OnSaveDataApplied;
            StartCoroutine(OnSaveDataCoroutine());
        }

        IEnumerator OnSaveDataCoroutine()
        {
            yield return null;
            SetTimeOfDayAccordingToConditions();
            yield return null;
        }

        private void SetTimeOfDayAccordingToConditions()
        {
            if (m_enableDayConditions && m_dayCondition.IsTrue(null))
            {
                SetDay();
            }
            //else if (m_enableNightConditions && m_nightCondition.IsTrue(null))
            else if (m_enableNightConditions)
            {
                foreach (var c in m_nightCondition)
                {
                    if (c.IsTrue(null))
                    {
                        SetNight();
                        break;
                    }
                }
            }
        }

        void ApplySettings(Settings settings)
        {
            RenderSettings.fogDensity = settings.fogDensity;
            RenderSettings.fogColor = settings.fogColor;
            if (settings.skyboxMat != null)
                RenderSettings.skybox = settings.skyboxMat;
            RenderSettings.ambientSkyColor = settings.ambientSkyColor;
            RenderSettings.ambientGroundColor = settings.ambientGroundColor;
            RenderSettings.ambientEquatorColor = settings.ambientEquatorColor;
            if (settings.toEnable != null)
            {
                foreach (var o in settings.toEnable)
                    o?.SetActive(true);
            }

            if (settings.toDisable != null)
            {
                foreach (var o in settings.toDisable)
                    o?.SetActive(false);
            }

            settings.changeEvent?.Invoke();
        }

        // Start is called before the first frame update
        void Start()
        {
            switch (m_startAction)
            {
                case StartAction.SET_DAY:
                    SetDay();
                    break;
                case StartAction.SET_NIGHT:
                    SetNight();
                    break;
            }
        }

        public void OnMessage(MessageArgs messageArgs)
        {
            switch (messageArgs.message)
            {
                case QuestMachineMessages.QuestStateChangedMessage:
                    SetTimeOfDayAccordingToConditions();
                    break;
                case QuestMachineMessages.QuestCounterChangedMessage:
                case QuestMachineMessages.RefreshUIsMessage:
                case QuestMachineMessages.QuestTrackToggleChangedMessage:
                    break;
            }
        }
    }
}