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

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

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

        #region CRUD

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

                string sql = @"
                INSERT INTO Convenio_cartoes
                (
                    NOME,
                    COMIS_CRED,
                    COMIS_DEBT,
                    OP_CRED,
                    OP_DEBT,
                    LANCA_30,
                    CNPJ_OPERADORA,
                    tBand
                )
                VALUES
                (
                    @NOME,
                    @COMIS_CRED,
                    @COMIS_DEBT,
                    @OP_CRED,
                    @OP_DEBT,
                    @LANCA_30,
                    @CNPJ_OPERADORA,
                    @tBand
                )";

                using SqlCommand cmd =
                    new(sql, conn);

                PreencherParametros(
                    cmd,
                    modelo);

                conn.Open();

                return cmd.ExecuteNonQuery() > 0;
            }
            catch
            {
                return false;
            }
        }
        public bool Alterar(ModeloConvenioCartoes modelo)
        {
            try
            {
                using SqlConnection conn =
                    new(connectionString);

                string sql = @"
                UPDATE Convenio_cartoes
                SET
                    CODIGO = @CODIGO,
                    NOME = @NOME,
                    COMIS_CRED = @COMIS_CRED,
                    COMIS_DEBT = @COMIS_DEBT,
                    OP_CRED = @OP_CRED,
                    OP_DEBT = @OP_DEBT,
                    LANCA_30 = @LANCA_30,
                    CNPJ_OPERADORA = @CNPJ_OPERADORA,
                    tBand = @tBand
                WHERE ID_CONV_CARTOES =
                @ID_CONV_CARTOES";

                using SqlCommand cmd =
                    new(sql, conn);

                PreencherParametros(
                    cmd,
                    modelo);

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

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

                conn.Open();

                return cmd.ExecuteNonQuery() > 0;
            }
            catch
            {
                return false;
            }
        }
        public bool Excluir(int id)
        {
            try
            {
                using SqlConnection conn =
                    new(connectionString);

                string sql = @"
                DELETE FROM Convenio_cartoes
                WHERE ID_CONV_CARTOES =
                @ID_CONV_CARTOES";

                using SqlCommand cmd =
                    new(sql, conn);

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

                conn.Open();

                return cmd.ExecuteNonQuery() > 0;
            }
            catch
            {
                return false;
            }
        }
        public ModeloConvenioCartoes? Carregar(int id)
        {
            using SqlConnection conn =
                new(connectionString);

            string sql = @"
            SELECT *
            FROM Convenio_cartoes
            WHERE ID_CONV_CARTOES =
            @ID_CONV_CARTOES";

            using SqlCommand cmd =
                new(sql, conn);

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

            conn.Open();

            using SqlDataReader dr =
                cmd.ExecuteReader();

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

            return null;
        }
        public List<ModeloConvenioCartoes> ListarOtimizado(
            string? nome = null,
            string? bandeira = null,
            string? operadoraCredito = null,
            string? operadoraDebito = null,
            string? cnpj = null)
        {
            List<ModeloConvenioCartoes> lista = [];

            using SqlConnection conn =
                new(connectionString);

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

            using SqlCommand cmd =
                new();

            cmd.Connection = conn;

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

                cmd.Parameters.AddWithValue(
                    "@NOME",
                    "%" + nome + "%");
            }

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

                cmd.Parameters.AddWithValue(
                    "@tBand",
                    "%" + bandeira + "%");
            }

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

                cmd.Parameters.AddWithValue(
                    "@OP_CRED",
                    "%" + operadoraCredito + "%");
            }

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

                cmd.Parameters.AddWithValue(
                    "@OP_DEBT",
                    "%" + operadoraDebito + "%");
            }

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

                cmd.Parameters.AddWithValue(
                    "@CNPJ_OPERADORA",
                    "%" + cnpj + "%");
            }

            sql += @"
            ORDER BY
                ID_CONV_CARTOES DESC";

            cmd.CommandText = sql;

            conn.Open();

            using SqlDataReader dr =
                cmd.ExecuteReader();

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

            return lista;
        }

        #endregion

        #region DASHBOARD

        public DataTable Dashboard()
        {
            using SqlConnection conn =
                new(connectionString);

            string sql = @"
            SELECT
                COUNT(*) AS TOTAL_CONVENIOS
            FROM Convenio_cartoes";

            using SqlCommand cmd =
                new(sql, conn);

            using SqlDataAdapter da =
                new(cmd);

            DataTable dt = new();

            da.Fill(dt);

            return dt;
        }

        #endregion

        #region HELPERS

        private static ModeloConvenioCartoes
            PreencherModelo(
            SqlDataReader dr)
        {
            return new ModeloConvenioCartoes
            {
                ID_CONV_CARTOES =
                    Convert.ToInt32(
                        dr["ID_CONV_CARTOES"]),

                CODIGO =
                    Convert.ToString(
                        dr["CODIGO"])
                    ?? string.Empty,

                NOME =
                    Convert.ToString(
                        dr["NOME"])
                    ?? string.Empty,

                COMIS_CRED =
                    Convert.ToString(
                        dr["COMIS_CRED"])
                    ?? string.Empty,

                COMIS_DEBT =
                    Convert.ToString(
                        dr["COMIS_DEBT"])
                    ?? string.Empty,

                OP_CRED =
                    Convert.ToString(
                        dr["OP_CRED"])
                    ?? string.Empty,

                OP_DEBT =
                    Convert.ToString(
                        dr["OP_DEBT"])
                    ?? string.Empty,

                LANCA_30 =
                    Convert.ToString(
                        dr["LANCA_30"])
                    ?? string.Empty,

                CNPJ_OPERADORA =
                    Convert.ToString(
                        dr["CNPJ_OPERADORA"])
                    ?? string.Empty,

                TBAND =
                    Convert.ToString(
                        dr["tBand"])
                    ?? string.Empty
            };
        }

        private static void PreencherParametros(
            SqlCommand cmd,
            ModeloConvenioCartoes modelo)
        {
            cmd.Parameters.AddWithValue(
                "@NOME",
                string.IsNullOrWhiteSpace(
                    modelo.NOME)
                ? DBNull.Value
                : modelo.NOME);

            cmd.Parameters.AddWithValue(
                "@COMIS_CRED",
                string.IsNullOrWhiteSpace(
                    modelo.COMIS_CRED)
                ? DBNull.Value
                : modelo.COMIS_CRED);

            cmd.Parameters.AddWithValue(
                "@COMIS_DEBT",
                string.IsNullOrWhiteSpace(
                    modelo.COMIS_DEBT)
                ? DBNull.Value
                : modelo.COMIS_DEBT);

            cmd.Parameters.AddWithValue(
                "@OP_CRED",
                string.IsNullOrWhiteSpace(
                    modelo.OP_CRED)
                ? DBNull.Value
                : modelo.OP_CRED);

            cmd.Parameters.AddWithValue(
                "@OP_DEBT",
                string.IsNullOrWhiteSpace(
                    modelo.OP_DEBT)
                ? DBNull.Value
                : modelo.OP_DEBT);

            cmd.Parameters.AddWithValue(
                "@LANCA_30",
                string.IsNullOrWhiteSpace(
                    modelo.LANCA_30)
                ? DBNull.Value
                : modelo.LANCA_30);

            cmd.Parameters.AddWithValue(
                "@CNPJ_OPERADORA",
                string.IsNullOrWhiteSpace(
                    modelo.CNPJ_OPERADORA)
                ? DBNull.Value
                : modelo.CNPJ_OPERADORA);

            cmd.Parameters.AddWithValue(
                "@tBand",
                string.IsNullOrWhiteSpace(
                    modelo.TBAND)
                ? DBNull.Value
                : modelo.TBAND);
        }

        #endregion
    }
}