using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using WI;
using UnityEngine.UI;
using TMPro;

namespace CHN
{

    public class Panel_ControlSetting : SettingPanel
    {
        KeyCode[] keyCodes;

        OrbitalController orbitalController;
        private OptionManager optionManager;
        private Dictionary<string, UI_MappingButton> controlButton = new Dictionary<string, UI_MappingButton>();
        private Dictionary<string, string> initControlOptions = new Dictionary<string, string>();
        private Dictionary<string, string> mappingControlOptions = new Dictionary<string, string>();

        private Dictionary<string, UI_SliderInputField> controlInputFields = new Dictionary<string, UI_SliderInputField>();
        private Dictionary<string, string> initSpeedOptions = new Dictionary<string, string>();
        private Dictionary<string, string> mappingSpeedOptions = new Dictionary<string, string>();

        public UI_MappingButton currentClickButton;
        public bool isMappingButtonClick;

        public float minMoveSpeed;
        public float maxMoveSpeed;
        public float minRotateSpeed;
        public float maxRotateSpeed;
        public float minZoomSpeed;
        public float maxZoomSpeed;

        public void InitOptionSetting()
        {
            keyCodes = (KeyCode[])Enum.GetValues(typeof(KeyCode));

            orbitalController = FindSingle<OrbitalController>();
            optionManager = FindSingle<OptionManager>();
            var controlOption = optionManager.GetOption(orbitalController);

            var mappingButtons = GetComponentsInChildren<UI_MappingButton>();
            foreach (var mappingButton in mappingButtons)
            {
                mappingButton.SetMappingButton();

                controlButton.Add(mappingButton.button.name, mappingButton);
                initControlOptions.Add(mappingButton.button.name, controlOption[mappingButton.button.name]);
                mappingButton.Value.SetText(controlOption[mappingButton.button.name]);
                mappingButton.onClickButton += OnClickButton;
            }

            var inputFields = GetComponentsInChildren<UI_SliderInputField>();
            foreach(var inputField in inputFields)
            {
                inputField.SetSliderInputField();

                controlInputFields.Add(inputField.name, inputField);
                initSpeedOptions.Add(inputField.name, controlOption[inputField.name]);
                SliderValueWithInRanage(inputField.name);
                inputField.SetText(controlOption[inputField.name]);
            }
        }

        private void OnClickButton(UI_MappingButton currentButton)
        {
            if (currentClickButton != null) 
            {
                currentClickButton.ReductionLine();
                currentClickButton.isClick = false;
            }

            isMappingButtonClick = true;
            currentClickButton = currentButton;
            currentClickButton.isClick = true;
            currentClickButton.ExpandLine();
        }

        private void Update()
        {
            if (!isMappingButtonClick)
                return;

            foreach (KeyCode keyCode in keyCodes)
            {
                if (IsMouseClick())
                    return;

                if (Input.GetKeyDown(keyCode))
                {
                    currentClickButton.Value.SetText(InputKeyCode(keyCode).ToString());

                    currentClickButton.Line.transform.localScale = new Vector3(0f,1f,1f);
                    currentClickButton.isClick = false;
                    isMappingButtonClick = false;
                }
            }
        }
        KeyCode InputKeyCode(KeyCode inputKeyCode)
        {
            foreach (var button in controlButton.Values)
            {
                var buttonText = button.Value;

                if (buttonText.text == inputKeyCode.ToString())
                {
                    return (KeyCode)Enum.Parse(typeof(KeyCode), currentClickButton.Value.text);
                }
            }
            return inputKeyCode;
        }
        bool IsMouseClick()
        {
            bool isMouseClick = Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1) || Input.GetMouseButtonDown(2);
            return isMouseClick;
        }

        public void SliderValueWithInRanage(string key)
        {
            float maxValue = 0;
            float minValue = 0;

            switch (key)
            {
                case "MoveSpeed":
                    maxValue = maxMoveSpeed;
                    minValue = minMoveSpeed;
                    break;
                case "RotateSpeed":
                    maxValue = maxRotateSpeed;
                    minValue = minRotateSpeed;
                    break;
                case "ZoomSpeed":
                    maxValue = maxZoomSpeed;
                    minValue = minRotateSpeed;
                    break;
            }
            controlInputFields[key].Slider.minValue = minValue;
            controlInputFields[key].Slider.maxValue = maxValue;

        }
        public void AdjustTextValueWithinRange(string key)
        {
            float value = float.Parse(mappingSpeedOptions[key]);

            float maxValue = 0;
            float minValue = 0;

            switch (key)
            {
                case "MoveSpeed":
                    maxValue = maxMoveSpeed;
                    minValue = minMoveSpeed;
                    break;
                case "RotateSpeed":
                    maxValue = maxRotateSpeed;
                    minValue = minRotateSpeed;
                    break;
                case "ZoomSpeed":
                    maxValue = maxZoomSpeed;
                    minValue = minRotateSpeed;
                    break;
            }

            float withinRangeValue = Mathf.Clamp(value, minValue, maxValue);
            mappingSpeedOptions[key] = withinRangeValue.ToString();
            controlInputFields[key].SetText(withinRangeValue.ToString());
        }

        internal override void Reset()
        {
            var optionManager = FindSingle<OptionManager>();

            foreach (var key in initControlOptions.Keys)
            {
                controlButton[key].Value.text = initControlOptions[key];
            }
            optionManager.SetOptionValue(orbitalController, initControlOptions);

            foreach (var key in initSpeedOptions.Keys)
            {
                controlInputFields[key].SetText(initSpeedOptions[key]);   
            }
            optionManager.SetOptionValue(orbitalController, initSpeedOptions);
            orbitalController.SetControllOptionValue();
        }

        internal override void Accept()
        {
            var optionManager = FindSingle<OptionManager>();

            mappingControlOptions.Clear();
            mappingSpeedOptions.Clear();

            foreach (var controlButton in controlButton.Values)
            {
                mappingControlOptions.Add(controlButton.button.name, controlButton.Value.text);
            }
            optionManager.SetOptionValue(orbitalController, mappingControlOptions);

            foreach (var controlInputField in controlInputFields.Values)
            {
                mappingSpeedOptions.Add(controlInputField.name, controlInputField.inputField.text);
                AdjustTextValueWithinRange(controlInputField.name);
            }
            optionManager.SetOptionValue(orbitalController, mappingSpeedOptions);
            orbitalController.SetControllOptionValue();
        }
        internal override void Open()
        {
            gameObject.SetActive(true);
        }
        internal override void Close()
        {
            isMappingButtonClick = false;

            var controlOption = optionManager.GetOption(orbitalController);
            foreach (var key in controlButton.Keys)
            {
                controlButton[key].Value.text = controlOption[key];
            }
            foreach (var key in controlInputFields.Keys)
            {
                controlInputFields[key].inputField.text = controlOption[key];
            }

            if (currentClickButton != null)
            {
                currentClickButton.Line.transform.localScale = new Vector3(0f, 1f, 1f);
                currentClickButton.isClick = false;
            }
            
            gameObject.SetActive(false);
        }
    }
}