using TMPro;
using UnityEngine;
using MyCollections.Interfaces;

public class AmountInserter : MonoBehaviour
{
    [SerializeField] private TMP_InputField inputField;
    [SerializeField] private InputType inputType;
    [SerializeField] private int amount;
    [SerializeField] private int index;

    private GameObject receiver;

    // Start is called before the first frame update
    void Start()
    {
        inputField.lineType = TMP_InputField.LineType.SingleLine;
        inputField.onValueChanged.AddListener(delegate
        {
            Validate();
        });

        inputField.onSubmit.AddListener(delegate { Submit(); });
    }

    // Update is called once per frame
    void Update()
    {
        //if (Input.GetKeyDown(KeyCode.Return))
        //{
        //    Submit();
        //}

        //Debug.Log("Amount: " + amount);
    }

    public void Init(GameObject obj, int limitAmount, int index)
    {
        amount = limitAmount;
        receiver = obj;
        this.index = index;
    }

    private void Submit()
    {
        if (receiver.TryGetComponent(out IReceiver<int, int> destination))
        {
            switch (inputType)
            {
                case InputType.Numbers:
                    if (int.TryParse(inputField.text, out int result))
                    {
                        destination.Receive(result, index);
                        Destroy(gameObject);
                    }
                    break;
            }
        }
    }

    private void Validate()
    {
        string text = inputField.text;

        if (int.TryParse(text, out int result))
        {
            if (result > amount)
            {
                inputField.text = amount.ToString();
                return;
            }

            inputField.text = result.ToString();
            return;

        }

        Debug.LogError("Couldn't Parse!");
    }

    public void ClosePanel() => Destroy(gameObject);
}

public enum InputType
{
    Text,
    Numbers
}