using NatML;
using System;
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// This scriptable will hold tupples of Courseindices and models
/// </summary>
[CreateAssetMenu(menuName = "Create new Scriptable/ModelList")]
public class ModelList : ScriptableObject
{
    /// <summary>
    /// Small class to link a model to a courseIndex irrespective of its position in a list
    /// </summary>
    [Serializable]
    public class ModelTuple
    {
        /// <summary>
        /// ModelIndex to which the model corresponds
        /// </summary>
        public ModelIndex index;
        /// <summary>
        /// The model itself
        /// </summary>
        public MLModelData modelWINDOWS;
        /// <summary>
        /// The model itself
        /// </summary>
        public MLModelData modelMAC;
    }


    /// <summary>
    /// A list of all the models
    /// </summary>
    public List<ModelTuple> models = new List<ModelTuple>();

    /// <summary>
    /// Index of the currently active model
    /// </summary>
    public int currentModelIndex = 0;

    /// <summary>
    /// Get a model by modelindex
    /// </summary>
    /// <param name="modelIndex">ModelIndex of the model</param>
    /// <returns>Model associated with this index, null if no model was found</returns>
    public MLModelData GetCurrentModel()
    {

        // Select Model based on OS
#if (UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN)
        return models.Find(x => x.modelWINDOWS == models[currentModelIndex].modelWINDOWS)?.modelWINDOWS;
#elif (UNITY_STANDALONE_OSX || UNITY_EDITOR_OSX)
        return models.Find(x => x.modelMAC == models[currentModelIndex].modelMAC)?.modelMAC;
#endif
        return null;
    }


    /// <summary>
    /// Function to check if the modelIndex has been set
    /// </summary>
    /// <returns></returns>
    public bool HasValidModel()
    {
        return models[currentModelIndex].index != (int)ModelIndex.NONE;
    }

    /// <summary>
    /// Function to find a model-index in the list based on its index
    /// </summary>
    /// <param name="title"></param>
    public void SetCurrentModel(ModelIndex index)
    {
        currentModelIndex = models.FindIndex((m) => m.index == index);
    }
}