using System;
using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;
#endif

[CreateAssetMenu(menuName = "KernelPanic/Dialogue/Dialogue System")]
public partial class DialogueSystem : ScriptableObject
{
    [SerializeField] private DialogueSettings _settings;
    
    // https://stackoverflow.com/questions/2282476/actiont-vs-delegate-event 
    public event EventHandler<DialogueLine> onDialogueLine;

    public void PlayLine(string key)
    {
        DialogueLine dl;
        dl.text = DialogueDatabase.ReadDialogue(key);
        // TODO: get dialogue line duration from FMOD
        dl.duration = _settings.HideAfter;
        
        onDialogueLine?.Invoke(this, dl);
        
        // TODO: tell FMOD to play the key
    }
}

public struct DialogueLine
{
    public string text;
    public float duration;
}

#region Editor
#if UNITY_EDITOR

[CustomEditor(typeof(DialogueSystem))]
public class DialogueSystemEditor : Editor
{
    private DialogueSystem _dialogue;
    private string _key;

    private void OnEnable()
    {
        _dialogue = target as DialogueSystem;
    }

    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        _key = EditorGUILayout.TextField("key", _key);

        if (GUILayout.Button("Play Line"))
        {
            _dialogue.PlayLine(_key);
        }
    }
}

#endif
#endregion