using System.Diagnostics.Eventing.Reader;
using System.Globalization;
using System.Text.Json.Nodes;
using TarifasANEEL.Services;
using TarifasANEEL.Utilities;

namespace TarifasANEEL.Models
{
    public class Tarifa
    {
        private const string DISTRIBUTOR_KEY = "NumCPFCNPJ";
        private const string SUBGROUP_KEY = "DscSubGrupoTarifario";
        private const string MODALITY_KEY = "DscModalidadeTarifaria";

        public required int ID_dist { get; set; }
        public required string Grupo { get; set; }
        public required string Perfil { get; set; }
        public required string Ciclo { get; set; }
        public DateTime? DatInicioVigencia { get; set;}
        public DateTime? DatFimVigencia { get; set;}
        public double Energia_P { get; set;}
        public double Energia_FP { get; set;}
        public double Enc_P { get; set;}
        public double Enc_FP { get; set;}
        public double Dem_P { get; set;}
        public double Dem_FP { get; set;}
        public double ER_P { get; set;}
        public double ER_FP { get; set;}
        public double Megaflex { get; set;}
        public double Covid_P { get; set;}
        public double Covid_FP { get; set;}
        public double Desc_Rural { get; set;}
        public double EH_P { get; set;}
        public double EH_FP { get; set;}

        public static Tarifa FromRecord(JsonNode record)
        {
            ArgumentNullException.ThrowIfNull(record);
            
            return new Tarifa
            {
                ID_dist = DatabaseService.GetDistribuidoraId(record[DISTRIBUTOR_KEY]?.ToString() ?? ""),
                Grupo = record[SUBGROUP_KEY]?.ToString() ?? "",
                Perfil = TarifaHelper.BuildProfileName(record, record[MODALITY_KEY]?.ToString() ?? ""),
                Ciclo = TarifaHelper.ParseResolution(record),
                DatInicioVigencia = DateTime.Parse(record[nameof(DatInicioVigencia)]?.ToString()!),
                DatFimVigencia = DateTime.Parse(record[nameof(DatFimVigencia)]?.ToString()!)
            };
        }

        public void UpdateComponentValue(JsonNode record)
        {
            int test = 0;
            var subgroupSuffix = Grupo[0].ToString();

            var component = record["DscComponenteTarifario"]?.ToString() ?? "";
            var unit = record["DscUnidade"]?.ToString() ?? "";
            var rawpeak = record["DscPostoTarifario"]?.ToString() ?? "";
            var modality = record["DscModalidadeTarifaria"]?.ToString().ToUpper() ?? "";


            var value = double.TryParse(record["VlrComponenteTarifario"]?.ToString(), out var parsedValue)
                ? parsedValue
                : 0;
            
            var peakSuffix = rawpeak[0].ToString();

            switch ((subgroupSuffix, modality, component, unit, peakSuffix))
            {
                // Group A cases
                case ("A", "GERAÇÃO", "TUSD", "R$/kW", "N"):
                    Dem_P = Dem_FP = value;
                    break;

                case ("A", "CONVENCIONAL", "TE", "R$/MWh", var peak):
                    switch (peak)
                    {
                        case "N": Energia_P = Energia_FP = value; break;
                        case "F": Energia_FP = value; break;
                        case "P": Energia_P = value; break;
                    }
                    break;

                case ("A", "CONVENCIONAL", "TUSD", "R$/MWh", "N"):
                    Enc_P = Enc_FP = value;
                    break;

                case ("A", "AZUL", "TE", "R$/MWh", var peak) when peak is "F" or "P":
                    if (peak == "F") Energia_FP = value;
                    else Energia_P = value;
                    break;

                case ("A", "AZUL", "TUSD", "R$/MWh", var peak) when peak is "F" or "P":
                    if (peak == "F") Enc_FP = value;
                    else Enc_P = value;
                    break;

                case ("A", "AZUL", "TUSD", "R$/kW", var peak) when peak is "F" or "P":
                    if (peak == "F") Dem_FP = value;
                    else Dem_P = value;
                    break;

                case ("A", "VERDE", "TE", "R$/MWh", var peak) when peak is "F" or "P":
                    if (peak == "P") Energia_P = value;
                    else Energia_FP = value;
                    break;

                case ("A", "VERDE", "TUSD", "R$/kW", "N"):
                    Dem_FP = value;
                    Dem_P = 0;
                    break;

                case ("A", "VERDE", "TUSD", "R$/MWh", var peak) when peak is "F" or "P":
                    if (peak == "P") Enc_P = value;
                    else Enc_FP = value;
                    break;

                // Group B cases
                case ("B", "CONVENCIONAL" or "PRÉ-PAGAMENTO", var comp, "R$/MWh", "N"):
                    if (comp == "TUSD") Enc_P = Enc_FP = value;
                    else if (comp == "TE") Energia_P = Energia_FP = value;
                    break;

                case ("B", "BRANCA", var comp, "R$/MWh", var peak):
                    if (comp == "TE")
                        if (peak == "P") Energia_P = value;
                        else Energia_FP += value;
                    else if (comp == "TUSD")
                        if (peak == "P") Enc_P = value;
                        else Enc_FP += value;
                    break;

                case ("B", "GERAÇÃO", "TUSD", "R$/kW", "N"):
                    Dem_P = Dem_FP = value;
                    break;
                default:
                    if ((component == "TE" && unit == "R$/kW" && value != 0) ||
                        !((subgroupSuffix == "A" || subgroupSuffix == "B") &&
                          (modality is "GERAÇÃO" or "CONVENCIONAL" or "AZUL" or "VERDE" or "BRANCA" or "PRÉ-PAGAMENTO" or "DISTRIBUIÇÃO" or "ENERGIA SUPRIMENTO")))
                    {
                        test++;
                    }
                    break;
            }

            if (test > 0) { Console.WriteLine("Sem lógica:\t{0}",string.Join("\t",new string[] { ID_dist.ToString(), Ciclo, Grupo, Perfil, component, peakSuffix, unit, value.ToString("C", CultureInfo.CreateSpecificCulture("pt-BR")) })); }
        }

        public bool HasAllEmptyValues()
        {
            // Adjust this method based on your Tarifa properties
            return Energia_P == 0 &&
                   Energia_FP == 0 &&
                   Enc_P == 0 &&
                   Enc_FP == 0 &&
                   Dem_P == 0 &&
                   Dem_FP == 0 &&
                   ER_P == 0 &&
                   ER_FP == 0 &&
                   Megaflex == 0 &&
                   Covid_P == 0 &&
                   Covid_FP == 0 &&
                   Desc_Rural == 0 &&
                   EH_P == 0 &&
                   EH_FP == 0;
        }
    }
}