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

namespace MoreMountains.Tools
{
    /// <summary>
    /// A class used to store choices contents
    /// </summary>
    [System.Serializable]
    public class MMDebugMenuChoiceEntry
    {
        /// the button associated to this choice
        public Button TargetButton;
        /// the text comp used to display the button's text
        public Text ButtonText;
        /// the button's background image comp
        public Image ButtonBg;
        /// the name of the event bound to this button
        public string ButtonEventName = "ButtonEvent";
    }

    /// <summary>
    /// A class used to bind a Choice menu item to a MMDebugMenu
    /// </summary>
    public class MMDebugMenuItemChoices : MonoBehaviour
    {
        [Header("Bindings")]
        /// the sprite to use when the button is active
        public Sprite SelectedSprite;
        /// the sprite to use as bg when the button is inactive
        public Sprite OffSprite;
        /// the color to use when the button is active
        public Color OnColor = Color.white;
        /// the color to use when the button is inactive
        public Color OffColor = Color.black;
        /// the color to use when the button is accented
        public Color AccentColor = MMColors.ReunoYellow;
        /// a list of choices
        public List<MMDebugMenuChoiceEntry> Choices;

        /// <summary>
        /// Triggers a button event of the selected index
        /// </summary>
        /// <param name="index"></param>
        public virtual void TriggerButtonEvent(int index)
        {
            MMDebugMenuButtonEvent.Trigger(Choices[index].ButtonEventName);
        }

        /// <summary>
        /// Selects one of the buttons
        /// </summary>
        /// <param name="index"></param>
        public virtual void Select(int index)
        {
            Deselect();
            Choices[index].ButtonBg.sprite = SelectedSprite;
            Choices[index].ButtonBg.color = AccentColor;
            Choices[index].ButtonText.color = OffColor;
        }

        /// <summary>
        /// Deselects all buttons
        /// </summary>
        public virtual void Deselect()
        {
            foreach(MMDebugMenuChoiceEntry entry in Choices)
            {
                entry.ButtonBg.sprite = OffSprite;
                entry.ButtonBg.color = OnColor;
                entry.ButtonText.color = OnColor;
            }
        }
    }
}