// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

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

namespace Microsoft.MixedReality.Toolkit.UI
{
    /// <summary>
    /// Theme engine that allows control to enable/disable a GameObject based on the current state
    /// </summary>
    public class InteractableActivateTheme : InteractableThemeBase
    {
        /// <inheritdoc />
        public override bool IsEasingSupported => false;

        public InteractableActivateTheme()
        {
            Types = new Type[] { typeof(Transform) };
            Name = "Activate Theme";
        }

        /// <inheritdoc />
        public override ThemeDefinition GetDefaultThemeDefinition()
        {
            return new ThemeDefinition()
            {
                ThemeType = GetType(),
                StateProperties = new List<ThemeStateProperty>()
                {
                    new ThemeStateProperty()
                    {
                        Name = "Activate",
                        Type = ThemePropertyTypes.Bool,
                        Values = new List<ThemePropertyValue>(),
                        Default = new ThemePropertyValue() { Bool = true }
                    },
                },
                CustomProperties = new List<ThemeProperty>(),
            };
        }

        /// <inheritdoc />
        public override ThemePropertyValue GetProperty(ThemeStateProperty property)
        {
            ThemePropertyValue start = new ThemePropertyValue();
            start.Bool = Host.activeSelf;
            return start;
        }

        /// <inheritdoc />
        public override void SetValue(ThemeStateProperty property, int index, float percentage)
        {
            SetValue(property, property.Values[index]);
        }

        /// <inheritdoc />
        protected override void SetValue(ThemeStateProperty property, ThemePropertyValue value)
        {
            Host.SetActive(value.Bool);
        }
    }
}
