using System;


namespace ProjectEntryLaborAdjust
{
    // ===================== RULE (ALL SETTINGS LIVE HERE) =====================
    public sealed class L023PmLaborRule : LaborRuleBase
    {
        public L023PmLaborRule() : base("L023", "Auto-added PM Labor")
        {
            ExcludedBranchCDs.Add("301");
            ExcludedBranchCDs.Add("112");
            ExcludedTemplateCDs.Add("ENVIRONMENTAL");
            ExcludedTemplateCDs.Add("REST&M");
            ExcludedBillRules.Add("PROGRESS");
            ProjectDate = new DateTime(2025, 9, 5); // rule applies only to projects created on/after this date
        }

        // Leave null => use AR Sales Prices (no fixed rate)
        public override decimal? FixedUnitRate
        {
            get { return null; }
        }

        public override decimal GetHours(decimal jobSize, DateTime? projectCreatedDate)
        {
            if (jobSize < 0m) return 0m;

            // Decide matrix by date (unknown => new matrix)
            var pivot = ProjectDate?.Date;
            var created = projectCreatedDate?.Date;
            bool useOldMatrix = pivot.HasValue && created.HasValue && created.Value < pivot.Value;

            if (useOldMatrix)
            {
                // ---- OLD MATRIX ----
                if (jobSize <= 615m) return 0.5m;
                if (jobSize <= 1000m) return 1.0m;
                if (jobSize <= 2500m) return 1.5m;
                if (jobSize <= 5000m) return 3.0m;
                if (jobSize <= 7500m) return 3.5m;
                if (jobSize <= 10000m) return 5.0m;
                if (jobSize <= 25000m) return 6.0m;
                if (jobSize <= 50000m) return 7.0m;
                return 10.5m;
            }

            // ---- NEW MATRIX ---- 
            if (jobSize <= 616m) return 0.5m;
            if (jobSize <= 1000m) return 1.0m;
            if (jobSize <= 2500m) return 2.5m;
            if (jobSize <= 5000m) return 4.5m;
            if (jobSize <= 7500m) return 5.0m;
            if (jobSize <= 10000m) return 7.0m;
            if (jobSize <= 25000m) return 8.5m;
            if (jobSize <= 50000m) return 9.5m;
            return 15.0m;
        }
    }
}