using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace Ashwild.Settings
{
    public class GraphicsSettingsSubPanel : SettingsSubPanel
    {
        [Header("Controls")]
        [SerializeField] private TMP_Dropdown qualityDropdown;
        [SerializeField] private Toggle vsyncToggle;
        [SerializeField] private Slider targetFpsSlider;
        [SerializeField] private TMP_Text targetFpsLabel;
        [SerializeField] private Slider fovSlider;
        [SerializeField] private TMP_Text fovLabel;

        private bool wiring;

        private void Awake()
        {
            qualityDropdown.onValueChanged.AddListener(v => { if (!wiring) SettingsManager.Instance.SetQualityLevel(v); });
            vsyncToggle.onValueChanged.AddListener(v => { if (!wiring) SettingsManager.Instance.SetVSync(v); });
            targetFpsSlider.onValueChanged.AddListener(OnTargetFpsChanged);
            fovSlider.onValueChanged.AddListener(OnFovChanged);
        }

        public override void Refresh()
        {
            SettingsManager s = SettingsManager.Instance;
            if (s == null) return;

            wiring = true;

            qualityDropdown.ClearOptions();
            qualityDropdown.AddOptions(new List<string>(QualitySettings.names));
            qualityDropdown.value = Mathf.Clamp(s.QualityLevel, 0, qualityDropdown.options.Count - 1);
            qualityDropdown.RefreshShownValue();

            vsyncToggle.SetIsOnWithoutNotify(s.VSync);

            targetFpsSlider.SetValueWithoutNotify(s.TargetFps);
            if (targetFpsLabel != null) targetFpsLabel.text = $"{s.TargetFps} FPS";

            fovSlider.SetValueWithoutNotify(s.Fov);
            if (fovLabel != null) fovLabel.text = $"{s.Fov:F0}°";

            wiring = false;
        }

        private void OnTargetFpsChanged(float v)
        {
            int fps = Mathf.RoundToInt(v);
            if (targetFpsLabel != null) targetFpsLabel.text = $"{fps} FPS";
            if (!wiring) SettingsManager.Instance.SetTargetFps(fps);
        }

        private void OnFovChanged(float v)
        {
            if (fovLabel != null) fovLabel.text = $"{v:F0}°";
            if (!wiring) SettingsManager.Instance.SetFov(v);
        }
    }
}