namespace IvfTl.AutoFocus.Layout
{
    /// <summary>对焦范围就近优先解析：well级半幅 &gt; 设备级默认 &gt; 引擎硬编码默认。纯逻辑,仿 PhotoLayerCalculator。</summary>
    public class FocusRangeRawConfig
    {
        public int? WellHRange, WellVRange, DeviceHRange, DeviceVRange;
        public int ExposureMin, ExposureMax;
        public int HorizontalCenter, VerticalCenter;
    }

    public class FocusRangeConfig
    {
        public int HHalf, VHalf, ExpLo, ExpHi, HCenter, VCenter;
    }

    public static class FocusRangeResolver
    {
        // 与 CalibrationEngine 现有硬编码默认对齐（HFineRange=2000、FineZHalf=6000）。
        public const int DefaultHHalf = 2000;
        public const int DefaultVHalf = 6000;

        public static FocusRangeConfig Resolve(FocusRangeRawConfig raw)
        {
            if (raw == null) throw new System.ArgumentNullException(nameof(raw));
            return new FocusRangeConfig
            {
                HHalf = raw.WellHRange ?? raw.DeviceHRange ?? DefaultHHalf,
                VHalf = raw.WellVRange ?? raw.DeviceVRange ?? DefaultVHalf,
                ExpLo = raw.ExposureMin,
                ExpHi = raw.ExposureMax,
                HCenter = raw.HorizontalCenter,
                VCenter = raw.VerticalCenter,
            };
        }
    }
}