using System;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using AibisDream.Utility;

namespace AibisDream
{
    public class OnelineOption : MonoBehaviour
    {
        [SerializeField] private TMP_Text text;
        [SerializeField] private BaseButton button;
        [SerializeField] private Image arrow;
        [SerializeField] private Image box;

        [Header("颜色配置")]
        [SerializeField] private ColorBlock colorBlock;

        [Header("文字颜色")]
        [SerializeField] private Color exploredNormalColor = new(0.45f, 0.45f, 0.45f, 1f);
        [SerializeField] private Color normalColor = Color.white;

        private DialogOption _option;

        public void Init()
        {
            button.onStateTransition.AddListener(OnStateTransition);
        }

        public void SetOption(DialogOption option, Action hide = null)
        {
            _option = option;

            if (!option.IsAvailable)
            {
                button.interactable = false;
                text.SetText($"<s>{option.Line}</s>");
                return;
            }

            button.interactable = true;
            text.SetText(option.Line);
            button.onClick.AddListener(() =>
            {
                option.Select();
                hide?.Invoke();
            });

            OnStateTransition(SelectionType.Normal, true);
        }

        private void OnStateTransition(SelectionType state, bool instant)
        {
            switch (state)
            {
                case SelectionType.Normal:
                    // arrow.SetAlpha(0f);
                    SetBoxColor(colorBlock.normalColor);
                    break;
                case SelectionType.Highlighted:
                    // arrow.SetAlpha(1f);
                    SetBoxColor(colorBlock.highlightedColor);
                    break;
                case SelectionType.Pressed:
                    // arrow.SetAlpha(1f);
                    SetBoxColor(colorBlock.pressedColor);
                    break;
                case SelectionType.Selected:
                    // arrow.SetAlpha(1f);
                    SetBoxColor(colorBlock.selectedColor);
                    break;
                case SelectionType.Disabled:
                    // arrow.SetAlpha(0f);
                    SetBoxColor(colorBlock.disabledColor);
                    break;
            }

            SetTextColor(GetNormalColor());
        }

        private void SetBoxColor(Color color)
        {
            box.color = color;
        }

        private Color GetNormalColor()
        {
            return _option.IsTrackable && _option.IsExplored
                ? exploredNormalColor
                : normalColor;
        }

        private void SetTextColor(Color color)
        {
            arrow.color = color;
            text.color = color;
        }
    }
}