namespace Admin.NET.Plugin.AiDOP.SmartOps;

/// <summary>
/// 指标 → 依赖语义。内容即任务书附录 F。「无」表示不依赖字段类或对象类语义。
/// </summary>
public static class KpiSemanticDependency
{
    public const string None = "无";

    private static readonly Dictionary<string, string[]> Map = Build();

    public static IReadOnlyList<string> For(string metricCode) =>
        Map.TryGetValue(metricCode, out var deps) ? deps : [None];

    public static bool Contains(string metricCode) => Map.ContainsKey(metricCode);

    public static IEnumerable<string> Codes => Map.Keys;

    public static IReadOnlyList<string> DistinctSemantics() =>
        Map.Values.SelectMany(v => v).Where(v => v != None).Distinct(StringComparer.Ordinal).OrderBy(v => v, StringComparer.Ordinal).ToArray();

    private static Dictionary<string, string[]> Build()
    {
        var map = new Dictionary<string, string[]>(StringComparer.Ordinal);
        void Set(string code, params string[] deps) => map[code] = deps;
        void NoneOf(params string[] codes)
        {
            foreach (var code in codes)
                map[code] = [None];
        }

        NoneOf("S5_L1_001", "S5_L1_003");
        Set("S5_L1_002", "S6_REPORT");
        Set("S5_L1_004", "INV_BAL_AMOUNT");
        NoneOf("S5_L2_001", "S5_L2_002", "S5_L2_003", "S5_L2_004");
        Set("S5_L2_005", "INV_LOCATION", "INV_LOT");
        Set("S5_L2_006", "INV_LOCATION", "INV_LOT", "INV_CREATE_USER");
        Set("S5_L2_007", "INV_LOCATION", "INV_END_BALANCE");
        Set("S5_L2_008", "INV_LOCATION", "INV_LOT");
        Set("S5_L2_009", "INV_LOCATION");
        Set("S5_L2_010", "INV_LOCATION", "INV_LOT", "INV_CREATE_USER");
        Set("S5_L2_011", "INV_LOCATION", "INV_END_BALANCE");
        Set("S5_L2_012", "INV_LOCATION", "INV_LOT");
        Set("S5_L2_013", "INV_LOCATION");
        Set("S5_L2_014", "INV_LOCATION", "INV_LOT", "INV_CREATE_USER");
        Set("S5_L2_015", "INV_LOCATION", "INV_END_BALANCE");
        // INV_LOCATION*：库位缺失时仍可由源事务码得到部分数据，不作为不支持判定。
        Set("S5_L3_001", "INV_LOT", "INV_CREATE_USER");
        Set("S5_L3_002", "INV_END_BALANCE");
        Set("S5_L3_003", "INV_LOCATION", "INV_LOT", "INV_CREATE_USER");
        Set("S5_L3_004", "INV_LOCATION", "INV_END_BALANCE");
        Set("S5_L3_005", "INV_LOCATION");

        NoneOf("S6_L1_001", "S6_L1_002", "S6_L1_003", "S6_L2_001", "S6_L2_002", "S6_L2_004");
        Set("S6_L2_003", "DOC_QTY_CLOSE");
        NoneOf("S6_L3_001", "S6_L3_002", "S6_L3_003", "S6_L3_004", "S6_L3_005", "S6_L3_006", "S6_L3_007", "S6_L3_008");

        Set("S7_L1_001", "FQC");
        NoneOf("S7_L1_002", "S7_L1_003", "S7_L2_001", "S7_L2_002", "S7_L2_003");
        Set("S7_L2_004", "INV_LOCATION", "INV_END_BALANCE");
        Set("S7_L2_005", "INV_LOCATION", "INV_LOT");
        Set("S7_L2_006", "INV_LOCATION");
        Set("S7_L2_007", "INV_LOCATION", "INV_LOT", "INV_CREATE_USER");
        Set("S7_L2_008", "INV_LOCATION", "INV_END_BALANCE");
        Set("S7_L2_009", "INV_LOCATION", "INV_LOT");
        Set("S7_L2_010", "INV_LOCATION");
        Set("S7_L2_011", "INV_LOCATION", "INV_LOT", "INV_CREATE_USER");
        Set("S7_L2_012", "INV_LOCATION", "INV_END_BALANCE");
        Set("S7_L2_013", "FG_RECEIPT_TIME", "INV_LOT");
        NoneOf("S7_L2_014");
        Set("S7_L2_015", "INV_LOT", "INV_CREATE_USER");
        Set("S7_L2_016", "FG_RECEIPT_TIME", "INV_END_BALANCE");

        NoneOf("S9_L1_001", "S9_L1_003", "S9_L1_004", "S9_L1_005");
        Set("S9_L1_002", "FQC");
        return map;
    }
}