using UnityEngine;
using UnityEngine.UI;

namespace AibisDream.UI.Terminal
{
    public class TerminalSettingPanel : MonoBehaviour
    {
        [SerializeField] private TerminalPanelAnimator panelAnimator;
        [SerializeField] private SliderItem volumeSlider;
        [SerializeField] private SelectItem textSpeedOption;
        [SerializeField] private SelectItem windowModeOption;
        [SerializeField] private SelectItem languageOption;
        [SerializeField] private Button continueButton;
        [SerializeField] private Button backToMainButton;
        [SerializeField] private Button quitButton;

        public bool IsOpen => gameObject.activeSelf;
        private TerminalPanel _owner;

        private static readonly UIFormOption[] WindowModeOptions =
        {
            new UIFormOption { prop = "FullScreen", label = "setting_window_fullscreen" },
            new UIFormOption { prop = "Windowed", label = "setting_window_windowed" },
        };

        private static readonly UIFormOption[] LanguageOptions =
        {
            new UIFormOption { prop = "zh-Hans", label = "中文" },
            new UIFormOption { prop = "en", label = "English" },
            new UIFormOption { prop = "ja-JP", label = "日本語" },
        };

        private static readonly UIFormOption[] TextSpeedOptions =
        {
            new UIFormOption { prop = "0.5", label = "setting_textSpeed_slow" },
            new UIFormOption { prop = "1.0", label = "setting_textSpeed_default" },
            new UIFormOption { prop = "3.0", label = "setting_textSpeed_fast" },
        };

        public void SetOwner(TerminalPanel owner)
        {
            _owner = owner;
        }

        private void Awake()
        {
            continueButton?.onClick.AddListener(BackToGame);
            backToMainButton?.onClick.AddListener(BackToMain);
            quitButton?.onClick.AddListener(QuitApp);
        }

        private void OnDestroy()
        {
            continueButton?.onClick.RemoveListener(BackToGame);
            backToMainButton?.onClick.RemoveListener(BackToMain);
            quitButton?.onClick.RemoveListener(QuitApp);
        }

        public void Show()
        {
            _owner?.SetHeader("<设置>", "MUSIC 50/100 - AUDIO INPUT 001");
            InitControls();
            RefreshControls();

            if (panelAnimator != null)
            {
                panelAnimator.Show();
            }
            else
            {
                gameObject.SetActive(true);
            }
        }

        public void Hide()
        {
            if (panelAnimator != null)
            {
                panelAnimator.Hide();
            }
            else
            {
                gameObject.SetActive(false);
            }
        }

        private void InitControls()
        {
            volumeSlider?.Init("Volume", "音量.....", 0f, 1f, OnSettingChanged);
            textSpeedOption?.Init("TextSpeed", "文字速度", TextSpeedOptions, OnSettingChanged);
            windowModeOption?.Init("WindowMode", "屏幕模式", WindowModeOptions, OnSettingChanged);
            languageOption?.Init("Language", "语言.....", LanguageOptions, OnSettingChanged);
        }

        private void RefreshControls()
        {
            var settings = SettingLoader.Instance.ReadAll();
            if (settings.TryGetValue("Volume", out var volume))
            {
                volumeSlider?.SetValue(volume);
            }

            if (settings.TryGetValue("TextSpeed", out var textSpeed))
            {
                textSpeedOption?.SetValue(textSpeed);
            }

            if (settings.TryGetValue("WindowMode", out var windowMode))
            {
                windowModeOption?.SetValue(windowMode);
            }

            if (settings.TryGetValue("Language", out var language))
            {
                languageOption?.SetValue(language);
            }
        }

        private static void OnSettingChanged(string propName, string value)
        {
            SettingLoader.Instance.Write(propName, value);
        }

        private void BackToGame()
        {
            if (_owner.Source == TerminalOpenSource.InGame)
            {
                _owner.Close();
            }
            else
            {
                _owner.Back();
            }
        }

        private void BackToMain()
        {
            _owner.CloseToMainMenu();
        }

        private static void QuitApp()
        {
            Application.Quit();
        }
    }
}