using RR.Common.Managers;
using RR.Common.Settings;
using TMPro;
using UnityEngine;

namespace RR.Common.UI
{
    /// <summary>
    /// Отображает стоимость одной игры.
    /// Значения берутся из настроек: <c>payment.startGameCost</c>, <c>payment.paymentImpulseCost</c>,
    /// <c>payment.currency</c>.
    /// </summary>
    [AddComponentMenu("RR/UI/Game Price Display")]
    [RequireComponent(typeof(TextMeshProUGUI))]
    public class GamePriceDisplay : MonoBehaviour
    {
        [Header("Формат отображения")]
        [Tooltip("Формат строки. {0} — стоимость, {1} — валюта")]
        [SerializeField] private string format = "{0} {1}";

        [Tooltip("Текст при бесплатной игре")]
        [SerializeField] private string freeGameText = "Бесплатно";

        private TextMeshProUGUI _text;
        private SettingsManager _settingsManager;

        private void Awake()
        {
            _text = GetComponent<TextMeshProUGUI>();
        }

        private void Start()
        {
            _settingsManager = SettingsManager.Instance;

            if (_settingsManager != null)
            {
                _settingsManager.OnSettingsLoaded += UpdateDisplay;
                _settingsManager.OnSettingsSaved += UpdateDisplay;
            }

            UpdateDisplay();
        }

        private void OnDestroy()
        {
            if (_settingsManager != null)
            {
                _settingsManager.OnSettingsLoaded -= UpdateDisplay;
                _settingsManager.OnSettingsSaved -= UpdateDisplay;
            }
        }

        private void UpdateDisplay()
        {
            if (_text == null) return;

            if (_settingsManager == null)
            {
                _settingsManager = SettingsManager.Instance;
                if (_settingsManager == null) return;
            }

            bool isFreeGame = _settingsManager.GetBool("payment.freeGame");

            if (isFreeGame)
            {
                _text.text = freeGameText;
                return;
            }

            int startGameCost = _settingsManager.GetInt("payment.startGameCost");
            int impulseCost   = _settingsManager.GetInt("payment.paymentImpulseCost");

            if (impulseCost <= 0) impulseCost = 10;
            if (startGameCost <= 0) startGameCost = impulseCost;

            string currency = _settingsManager.GetString("payment.currency");

            _text.text = string.Format(format, startGameCost, currency);
        }
    }
}