using Microsoft.Data.SqlClient;
using MLL;
using System;
using System.Collections.Generic;
using System.Data;

namespace DALL
{
    public class DALIcmsEmp
    {
        private readonly string connectionString;

        public DALIcmsEmp(string conexao)
        {
            connectionString = conexao;
        }

        #region INSERT

        public bool Inserir(ModeloIcmsEmp modelo)
        {
            using SqlConnection conn = new(connectionString);

            string sql = @"
            INSERT INTO ICMS_EMP
            (
                UF,ICMS,
                UF_AC,UF_AL,UF_AM,UF_AP,
                UF_BA,UF_CE,UF_DF,UF_ES,
                UF_GO,UF_MA,UF_MT,UF_MS,
                UF_MG,UF_PA,UF_PB,UF_PR,
                UF_PE,UF_PI,UF_RN,UF_RS,
                UF_RJ,UF_RO,UF_RR,UF_SC,
                UF_SP,UF_SE,UF_TO,FCP
            )
            VALUES
            (
                @UF,@ICMS,
                @UF_AC,@UF_AL,@UF_AM,@UF_AP,
                @UF_BA,@UF_CE,@UF_DF,@UF_ES,
                @UF_GO,@UF_MA,@UF_MT,@UF_MS,
                @UF_MG,@UF_PA,@UF_PB,@UF_PR,
                @UF_PE,@UF_PI,@UF_RN,@UF_RS,
                @UF_RJ,@UF_RO,@UF_RR,@UF_SC,
                @UF_SP,@UF_SE,@UF_TO,@FCP
            )";

            using SqlCommand cmd = new(sql, conn);

            PreencherParametros(cmd, modelo);

            conn.Open();

            return cmd.ExecuteNonQuery() > 0;
        }

        #endregion

        #region UPDATE

        public bool Alterar(ModeloIcmsEmp modelo)
        {
            using SqlConnection conn = new(connectionString);

            string sql = @"
            UPDATE ICMS_EMP SET

            UF=@UF,
            ICMS=@ICMS,
            UF_AC=@UF_AC,
            UF_AL=@UF_AL,
            UF_AM=@UF_AM,
            UF_AP=@UF_AP,
            UF_BA=@UF_BA,
            UF_CE=@UF_CE,
            UF_DF=@UF_DF,
            UF_ES=@UF_ES,
            UF_GO=@UF_GO,
            UF_MA=@UF_MA,
            UF_MT=@UF_MT,
            UF_MS=@UF_MS,
            UF_MG=@UF_MG,
            UF_PA=@UF_PA,
            UF_PB=@UF_PB,
            UF_PR=@UF_PR,
            UF_PE=@UF_PE,
            UF_PI=@UF_PI,
            UF_RN=@UF_RN,
            UF_RS=@UF_RS,
            UF_RJ=@UF_RJ,
            UF_RO=@UF_RO,
            UF_RR=@UF_RR,
            UF_SC=@UF_SC,
            UF_SP=@UF_SP,
            UF_SE=@UF_SE,
            UF_TO=@UF_TO,
            FCP=@FCP

            WHERE ID_ICMS_EMP=@ID_ICMS_EMP";

            using SqlCommand cmd = new(sql, conn);

            PreencherParametros(cmd, modelo);

            cmd.Parameters.AddWithValue(
                "@ID_ICMS_EMP",
                modelo.ID_ICMS_EMP);

            conn.Open();

            return cmd.ExecuteNonQuery() > 0;
        }

        #endregion

        #region DELETE

        public bool Excluir(int id)
        {
            using SqlConnection conn = new(connectionString);

            string sql =
                @"DELETE FROM ICMS_EMP
                  WHERE ID_ICMS_EMP=@ID";

            using SqlCommand cmd = new(sql, conn);

            cmd.Parameters.AddWithValue("@ID", id);

            conn.Open();

            return cmd.ExecuteNonQuery() > 0;
        }

        #endregion

        #region CARREGAR

        public ModeloIcmsEmp? Carregar(int id)
        {
            using SqlConnection conn = new(connectionString);

            string sql =
                @"SELECT *
                  FROM ICMS_EMP
                  WHERE ID_ICMS_EMP=@ID";

            using SqlCommand cmd = new(sql, conn);

            cmd.Parameters.AddWithValue("@ID", id);

            conn.Open();

            using SqlDataReader dr = cmd.ExecuteReader();

            if (dr.Read())
                return PreencherModelo(dr);

            return null;
        }

        #endregion

        #region CARREGAR POR CÓDIGO

        public ModeloIcmsEmp? CarregarPorCodigo(string codigo)
        {
            using SqlConnection conn = new(connectionString);

            string sql =
                @"SELECT *
                  FROM ICMS_EMP
                  WHERE CODIGO=@CODIGO";

            using SqlCommand cmd = new(sql, conn);

            cmd.Parameters.AddWithValue("@CODIGO", codigo);

            conn.Open();

            using SqlDataReader dr = cmd.ExecuteReader();

            if (dr.Read())
                return PreencherModelo(dr);

            return null;
        }

        #endregion

        #region CARREGAR POR UF

        public ModeloIcmsEmp? CarregarPorUF(string uf)
        {
            using SqlConnection conn = new(connectionString);

            string sql =
                @"SELECT *
                  FROM ICMS_EMP
                  WHERE UF=@UF";

            using SqlCommand cmd = new(sql, conn);

            cmd.Parameters.AddWithValue("@UF", uf);

            conn.Open();

            using SqlDataReader dr = cmd.ExecuteReader();

            if (dr.Read())
                return PreencherModelo(dr);

            return null;
        }

        #endregion

        #region EXISTE UF

        public bool ExisteUF(string uf)
        {
            using SqlConnection conn = new(connectionString);

            string sql =
                @"SELECT COUNT(*)
                  FROM ICMS_EMP
                  WHERE UF=@UF";

            using SqlCommand cmd = new(sql, conn);

            cmd.Parameters.AddWithValue("@UF", uf);

            conn.Open();

            return Convert.ToInt32(cmd.ExecuteScalar()) > 0;
        }

        #endregion

        #region LISTAR

        public List<ModeloIcmsEmp> Listar(
            string? codigo = null,
            string? uf = null)
        {
            List<ModeloIcmsEmp> lista = [];

            using SqlConnection conn = new(connectionString);

            string sql =
                @"SELECT *
                  FROM ICMS_EMP
                  WHERE 1=1";

            using SqlCommand cmd = new();

            if (!string.IsNullOrWhiteSpace(codigo))
            {
                sql += " AND CODIGO LIKE @CODIGO";

                cmd.Parameters.AddWithValue(
                    "@CODIGO",
                    "%" + codigo + "%");
            }

            if (!string.IsNullOrWhiteSpace(uf))
            {
                sql += " AND UF=@UF";

                cmd.Parameters.AddWithValue(
                    "@UF",
                    uf);
            }

            sql += " ORDER BY UF";

            cmd.Connection = conn;
            cmd.CommandText = sql;

            conn.Open();

            using SqlDataReader dr = cmd.ExecuteReader();

            while (dr.Read())
            {
                lista.Add(
                    PreencherModelo(dr));
            }

            return lista;
        }

        #endregion

        #region QUANTIDADE TOTAL

        public int QuantidadeTotal()
        {
            using SqlConnection conn = new(connectionString);

            string sql = "SELECT COUNT(*) FROM ICMS_EMP";

            using SqlCommand cmd = new(sql, conn);

            conn.Open();

            return Convert.ToInt32(cmd.ExecuteScalar());
        }

        #endregion

        #region PRIMEIRO REGISTRO

        public ModeloIcmsEmp? PrimeiroRegistro()
        {
            using SqlConnection conn = new(connectionString);

            string sql =
                @"SELECT TOP 1 *
                  FROM ICMS_EMP
                  ORDER BY ID_ICMS_EMP";

            using SqlCommand cmd = new(sql, conn);

            conn.Open();

            using SqlDataReader dr = cmd.ExecuteReader();

            if (dr.Read())
                return PreencherModelo(dr);

            return null;
        }

        #endregion

        #region ÚLTIMO REGISTRO

        public ModeloIcmsEmp? UltimoRegistro()
        {
            using SqlConnection conn = new(connectionString);

            string sql =
                @"SELECT TOP 1 *
                  FROM ICMS_EMP
                  ORDER BY ID_ICMS_EMP DESC";

            using SqlCommand cmd = new(sql, conn);

            conn.Open();

            using SqlDataReader dr = cmd.ExecuteReader();

            if (dr.Read())
                return PreencherModelo(dr);

            return null;
        }

        #endregion

        #region OBTER ALIQUOTA DESTINO

        public string ObterAliquotaDestino(
            string ufOrigem,
            string ufDestino)
        {
            ModeloIcmsEmp? origem =
                CarregarPorUF(ufOrigem);

            if (origem == null)
                return "0";

            return ufDestino.ToUpper() switch
            {
                "AC" => origem.UF_AC,
                "AL" => origem.UF_AL,
                "AM" => origem.UF_AM,
                "AP" => origem.UF_AP,
                "BA" => origem.UF_BA,
                "CE" => origem.UF_CE,
                "DF" => origem.UF_DF,
                "ES" => origem.UF_ES,
                "GO" => origem.UF_GO,
                "MA" => origem.UF_MA,
                "MT" => origem.UF_MT,
                "MS" => origem.UF_MS,
                "MG" => origem.UF_MG,
                "PA" => origem.UF_PA,
                "PB" => origem.UF_PB,
                "PR" => origem.UF_PR,
                "PE" => origem.UF_PE,
                "PI" => origem.UF_PI,
                "RN" => origem.UF_RN,
                "RS" => origem.UF_RS,
                "RJ" => origem.UF_RJ,
                "RO" => origem.UF_RO,
                "RR" => origem.UF_RR,
                "SC" => origem.UF_SC,
                "SP" => origem.UF_SP,
                "SE" => origem.UF_SE,
                "TO" => origem.UF_TO,
                _ => "0"
            };
        }

        #endregion

        #region PREENCHER MODELO

        private ModeloIcmsEmp PreencherModelo(SqlDataReader dr)
        {
            return new ModeloIcmsEmp
            {
                ID_ICMS_EMP = Convert.ToInt32(dr["ID_ICMS_EMP"]),
                CODIGO = Convert.ToString(dr["CODIGO"]) ?? "",
                UF = Convert.ToString(dr["UF"]) ?? "",
                ICMS = Convert.ToString(dr["ICMS"]) ?? "",
                UF_AC = Convert.ToString(dr["UF_AC"]) ?? "",
                UF_AL = Convert.ToString(dr["UF_AL"]) ?? "",
                UF_AM = Convert.ToString(dr["UF_AM"]) ?? "",
                UF_AP = Convert.ToString(dr["UF_AP"]) ?? "",
                UF_BA = Convert.ToString(dr["UF_BA"]) ?? "",
                UF_CE = Convert.ToString(dr["UF_CE"]) ?? "",
                UF_DF = Convert.ToString(dr["UF_DF"]) ?? "",
                UF_ES = Convert.ToString(dr["UF_ES"]) ?? "",
                UF_GO = Convert.ToString(dr["UF_GO"]) ?? "",
                UF_MA = Convert.ToString(dr["UF_MA"]) ?? "",
                UF_MT = Convert.ToString(dr["UF_MT"]) ?? "",
                UF_MS = Convert.ToString(dr["UF_MS"]) ?? "",
                UF_MG = Convert.ToString(dr["UF_MG"]) ?? "",
                UF_PA = Convert.ToString(dr["UF_PA"]) ?? "",
                UF_PB = Convert.ToString(dr["UF_PB"]) ?? "",
                UF_PR = Convert.ToString(dr["UF_PR"]) ?? "",
                UF_PE = Convert.ToString(dr["UF_PE"]) ?? "",
                UF_PI = Convert.ToString(dr["UF_PI"]) ?? "",
                UF_RN = Convert.ToString(dr["UF_RN"]) ?? "",
                UF_RS = Convert.ToString(dr["UF_RS"]) ?? "",
                UF_RJ = Convert.ToString(dr["UF_RJ"]) ?? "",
                UF_RO = Convert.ToString(dr["UF_RO"]) ?? "",
                UF_RR = Convert.ToString(dr["UF_RR"]) ?? "",
                UF_SC = Convert.ToString(dr["UF_SC"]) ?? "",
                UF_SP = Convert.ToString(dr["UF_SP"]) ?? "",
                UF_SE = Convert.ToString(dr["UF_SE"]) ?? "",
                UF_TO = Convert.ToString(dr["UF_TO"]) ?? "",
                FCP = Convert.ToString(dr["FCP"]) ?? ""
            };
        }

        #endregion
        #region PREENCHER PARÂMETROS

        private void PreencherParametros(
            SqlCommand cmd,
            ModeloIcmsEmp modelo)
        {
            cmd.Parameters.AddWithValue("@UF", modelo.UF);
            cmd.Parameters.AddWithValue("@ICMS", modelo.ICMS);

            cmd.Parameters.AddWithValue("@UF_AC", modelo.UF_AC);
            cmd.Parameters.AddWithValue("@UF_AL", modelo.UF_AL);
            cmd.Parameters.AddWithValue("@UF_AM", modelo.UF_AM);
            cmd.Parameters.AddWithValue("@UF_AP", modelo.UF_AP);

            cmd.Parameters.AddWithValue("@UF_BA", modelo.UF_BA);
            cmd.Parameters.AddWithValue("@UF_CE", modelo.UF_CE);
            cmd.Parameters.AddWithValue("@UF_DF", modelo.UF_DF);
            cmd.Parameters.AddWithValue("@UF_ES", modelo.UF_ES);

            cmd.Parameters.AddWithValue("@UF_GO", modelo.UF_GO);
            cmd.Parameters.AddWithValue("@UF_MA", modelo.UF_MA);
            cmd.Parameters.AddWithValue("@UF_MT", modelo.UF_MT);
            cmd.Parameters.AddWithValue("@UF_MS", modelo.UF_MS);

            cmd.Parameters.AddWithValue("@UF_MG", modelo.UF_MG);
            cmd.Parameters.AddWithValue("@UF_PA", modelo.UF_PA);
            cmd.Parameters.AddWithValue("@UF_PB", modelo.UF_PB);
            cmd.Parameters.AddWithValue("@UF_PR", modelo.UF_PR);

            cmd.Parameters.AddWithValue("@UF_PE", modelo.UF_PE);
            cmd.Parameters.AddWithValue("@UF_PI", modelo.UF_PI);
            cmd.Parameters.AddWithValue("@UF_RN", modelo.UF_RN);
            cmd.Parameters.AddWithValue("@UF_RS", modelo.UF_RS);

            cmd.Parameters.AddWithValue("@UF_RJ", modelo.UF_RJ);
            cmd.Parameters.AddWithValue("@UF_RO", modelo.UF_RO);
            cmd.Parameters.AddWithValue("@UF_RR", modelo.UF_RR);
            cmd.Parameters.AddWithValue("@UF_SC", modelo.UF_SC);

            cmd.Parameters.AddWithValue("@UF_SP", modelo.UF_SP);
            cmd.Parameters.AddWithValue("@UF_SE", modelo.UF_SE);
            cmd.Parameters.AddWithValue("@UF_TO", modelo.UF_TO);

            cmd.Parameters.AddWithValue("@FCP", modelo.FCP);
        }

        #endregion
    }
}