namespace IvfTl.AutoFocus.Layout
{
    /// <summary>
    /// 两级原始配置值（可空），喂给 <see cref="PhotoLayerCalculator.Resolve"/> 做就近优先解析（§2.5）。
    /// 调用方（M2-03/M2-04/M2-07）从 DB 读 house_well_setting / tl_setting 填好后传入，取数与解析解耦。
    ///
    /// 字段对齐 sql/migrations/2026-06-17-autofocus-data-layer.sql：
    ///   well 级（house_well_setting）：focus_layer_spacing_pulse / focus_layer_count / move_down_layer(复用)
    ///   设备级（tl_setting）：focus_layer_spacing_pulse / focus_layer_count / focus_layer_down
    ///
    /// ⚠ EEPROM 值不在此入参中（§2.5：EEPROM 仅参考，不进解析链），故天然不会被纳入解析。
    /// </summary>
    public sealed class FocusLayerRawConfig
    {
        // ---- well 级覆盖（house_well_setting，可空；空=继承设备级）----

        /// <summary>house_well_setting.focus_layer_spacing_pulse（well 级层间距覆盖）。</summary>
        public int? WellSpacingPulse { get; init; }

        /// <summary>house_well_setting.focus_layer_count（well 级层数覆盖）。</summary>
        public int? WellLayerCount { get; init; }

        /// <summary>house_well_setting.move_down_layer（well 级下移层数覆盖，复用既有列）。</summary>
        public int? WellMoveDownLayer { get; init; }

        // ---- 设备级（tl_setting）----

        /// <summary>tl_setting.focus_layer_spacing_pulse（工艺值，无 SQL 默认；缺失须报错）。</summary>
        public int? DeviceSpacingPulse { get; init; }

        /// <summary>tl_setting.focus_layer_count（SQL DEFAULT 5）。</summary>
        public int? DeviceLayerCount { get; init; }

        /// <summary>tl_setting.focus_layer_down（SQL DEFAULT 2）。</summary>
        public int? DeviceLayerDown { get; init; }

        // ---- 报错信息用（不参与计算）----

        /// <summary>设备 tl_sn，用于缺配置异常消息。</summary>
        public string TlSn { get; init; }

        /// <summary>仓室编号，用于异常定位。</summary>
        public int HouseSn { get; init; }

        /// <summary>well 编号，用于异常定位。</summary>
        public int WellSn { get; init; }
    }
}