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

namespace InterfaceOff
{
    public class WindowSpawner : MonoBehaviour
    {
        private List<Type> WindowTypes { get; } = new();
        
        [field: SerializeField] private GameObject SampleChild { get; set; }
        [field: SerializeField] private Canvas GameCanvas { get; set; }

        private void Awake()
        {
            /* Fetches all window types created */
            Type[] types = typeof(WindowBase).Assembly.GetTypes();
            foreach (Type t in types)
            {
                if (t.IsSubclassOf(typeof(WindowBase)))
                {
                    WindowTypes.Add(t);
                }
            }
            
            /* Logs the amount of types found and errors if there is none */
            Debug.Log($"Found [{WindowTypes.Count}] different window types ");
            if (WindowTypes.Count == 0)
            {
                Debug.LogError("Could not find any window types");
            }
        }

        private void Update()
        {
            if (Input.GetKeyDown(KeyCode.Space))
            {
                /* Creates the gameobject with a random class */
                GameObject go = Instantiate(SampleChild, GameCanvas.transform);
                go.SetActive(true);
                
                Type type = WindowTypes.GetRandom();
                WindowBase windowBase = go.AddComponent(type) as WindowBase;
                
                /* Checks it created correctly before instantiating further */
                if (DebugUtils.IsNull(windowBase))
                {
                    Debug.LogError("How did this happen");
                    return;
                }

                windowBase.Interactions = go.GetComponent<WindowInteractions>();
                windowBase.Interactions.SetAttachedTo(windowBase);
                
                windowBase.Components = go.GetComponent<WindowComponents>();
                windowBase.InstantiateWindowBase();
            }
        }
    }
}