using System.Globalization;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

/// Binds a UI Slider (and optional value label) to one host-side match rule persisted via
/// GameSettings (Settings.json). The slider's range / whole-numbers are authored in the inspector;
/// this only reads/writes the value. The machine that starts the match applies the stored values
/// over the MatchManager's inspector defaults (MatchManager.ApplyHostMatchSettings).
public class MatchSettingSlider : MonoBehaviour
{
    public enum Setting
    {
        Mode,
        HunterCount,
        HideDuration,
        SeekDuration,
        ResolveDuration,
        RadarPingInterval,
        RadarPingLifetime,
    }

    [Tooltip("Which persisted match setting this slider edits.")]
    [SerializeField] private Setting setting;
    [SerializeField] private Slider slider;
    [Tooltip("Optional TMP label showing the current value (mode name / count / seconds).")]
    [SerializeField] private TMP_Text valueLabel;

    void OnEnable()
    {
        if (!slider) return;
        float value = ReadSetting();
        slider.SetValueWithoutNotify(value);
        UpdateLabel(value);
        slider.onValueChanged.AddListener(OnSliderChanged);
    }

    void OnDisable()
    {
        if (slider) slider.onValueChanged.RemoveListener(OnSliderChanged);
    }

    void OnSliderChanged(float value)
    {
        WriteSetting(value);
        UpdateLabel(value);
    }

    private float ReadSetting()
    {
        switch (setting)
        {
            case Setting.Mode:              return GameSettings.MatchModeIndex;
            case Setting.HunterCount:       return GameSettings.MatchHunterCount;
            case Setting.HideDuration:      return GameSettings.MatchHideDuration;
            case Setting.SeekDuration:      return GameSettings.MatchSeekDuration;
            case Setting.ResolveDuration:   return GameSettings.MatchResolveDuration;
            case Setting.RadarPingInterval: return GameSettings.MatchRadarPingInterval;
            case Setting.RadarPingLifetime: return GameSettings.MatchRadarPingLifetime;
            default:                        return 0f;
        }
    }

    private void WriteSetting(float value)
    {
        switch (setting)
        {
            case Setting.Mode:              GameSettings.MatchModeIndex = Mathf.RoundToInt(value); break;
            case Setting.HunterCount:       GameSettings.MatchHunterCount = Mathf.RoundToInt(value); break;
            case Setting.HideDuration:      GameSettings.MatchHideDuration = value; break;
            case Setting.SeekDuration:      GameSettings.MatchSeekDuration = value; break;
            case Setting.ResolveDuration:   GameSettings.MatchResolveDuration = value; break;
            case Setting.RadarPingInterval: GameSettings.MatchRadarPingInterval = value; break;
            case Setting.RadarPingLifetime: GameSettings.MatchRadarPingLifetime = value; break;
        }
    }

    private void UpdateLabel(float value)
    {
        if (!valueLabel) return;
        switch (setting)
        {
            case Setting.Mode:
                valueLabel.text = ((MatchManager.MatchMode)Mathf.RoundToInt(value)).ToString();
                break;
            case Setting.HunterCount:
                valueLabel.text = Mathf.RoundToInt(value).ToString();
                break;
            case Setting.RadarPingInterval when value <= 0f:
                valueLabel.text = "Off";
                break;
            case Setting.RadarPingLifetime:
                valueLabel.text = $"{value.ToString("0.0", CultureInfo.InvariantCulture)} s";
                break;
            default:
                valueLabel.text = $"{Mathf.RoundToInt(value)} s";
                break;
        }
    }
}