using System;
using UnityEngine;

namespace Ironspore
{
    [Serializable]
    public sealed class GameSettingsData
    {
        public int version = 1;
        public float masterVolume = 1;
        public int qualityLevel = 2;
        public int resolutionWidth = 1280;
        public int resolutionHeight = 720;
        public bool fullscreen;
        public float mouseSensitivity = 1;
        public float aimSensitivity = 1;
        public string bindingOverrides = "";

        public GameSettingsData Copy() => (GameSettingsData)MemberwiseClone();

        public GameSettingsData Normalize(int qualityCount)
        {
            var copy = Copy();
            copy.masterVolume = FiniteClamp(masterVolume, 0, 1, 1);
            copy.mouseSensitivity = FiniteClamp(mouseSensitivity, .1f, 5, 1);
            copy.aimSensitivity = FiniteClamp(aimSensitivity, .1f, 2, 1);
            copy.qualityLevel = Mathf.Clamp(qualityLevel, 0, Mathf.Max(0, qualityCount - 1));
            if (resolutionWidth < 640 || resolutionWidth > 16384 || resolutionHeight < 360 || resolutionHeight > 16384)
            {
                copy.resolutionWidth = 1280;
                copy.resolutionHeight = 720;
            }
            copy.bindingOverrides = bindingOverrides ?? "";
            return copy;
        }

        public bool SameDisplay(GameSettingsData other) => resolutionWidth == other.resolutionWidth
            && resolutionHeight == other.resolutionHeight && fullscreen == other.fullscreen;

        static float FiniteClamp(float value, float min, float max, float fallback) =>
            float.IsNaN(value) || float.IsInfinity(value) ? fallback : Mathf.Clamp(value, min, max);
    }
}