using UnityEngine;
using OctoCore.Localization;
using UnityEngine.InputSystem;

namespace Unheimlich.Tools
{
    /// <summary>
    /// Simple debug script to switch language at runtime.
    /// Attach to any GameObject and press keys to change language.
    /// </summary>
    public class LanguageSwitcher : MonoBehaviour
    {
        [Header("Info")]
        [Tooltip("Current language")]
        [SerializeField] private OctoLanguages _currentLanguage;

        void Start()
        {
            if (OctoCore.OctoCore.Instance != null && OctoCore.OctoCore.Instance.Localization != null)
            {
                _currentLanguage = OctoCore.OctoCore.Instance.Localization.WrittenLanguage;
                UnityEngine.Debug.Log($"[LanguageSwitcher] Current language: {_currentLanguage}");
                UnityEngine.Debug.Log($"[LanguageSwitcher] Press F1 for English, F2 for French");
            }
        }

        void Update()
        {
            if (OctoCore.OctoCore.Instance == null || OctoCore.OctoCore.Instance.Localization == null)
                return;
            
            if (Keyboard.current == null)
                return;

            if (Keyboard.current.f1Key.wasPressedThisFrame)
            {
                SetLanguage(OctoLanguages.English);
            }
            else if (Keyboard.current.f2Key.wasPressedThisFrame)
            {
                SetLanguage(OctoLanguages.French);
            }
        }

        private void SetLanguage(OctoLanguages language)
        {
            OctoCore.OctoCore.Instance.Localization.SetLanguageWritten(language);
            _currentLanguage = language;
            
            UnityEngine.Debug.Log($"<color=green>[LanguageSwitcher]</color> Language changed to: <color=yellow>{language}</color>");
        }

        void OnGUI()
        {
            // Display current language in top-left corner
            if (OctoCore.OctoCore.Instance != null && OctoCore.OctoCore.Instance.Localization != null)
            {
                GUI.color = Color.yellow;
                GUI.Label(new Rect(10, 10, 300, 30), $"Language: {_currentLanguage}");
                GUI.Label(new Rect(10, 30, 300, 30), $"[F1] EN | [F2] FR");
                GUI.color = Color.white;
            }
        }
    }
}