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

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

        public DALEmpresa(string conn)
        {
            connectionString = conn;
        }

        // 🔹 LISTAR
        public List<ModeloEmpresa> Listar()
        {
            var lista = new List<ModeloEmpresa>();

            try
            {
                using (SqlConnection conn = new SqlConnection(connectionString))
                {
                    conn.Open();

                    string sql = "SELECT * FROM Empresa";

                    using (SqlCommand cmd = new SqlCommand(sql, conn))
                    using (SqlDataReader dr = cmd.ExecuteReader())
                    {
                        while (dr.Read())
                        {
                            lista.Add(new ModeloEmpresa(
                                Convert.ToInt32(dr["IdEmpresa"]),
                                dr["Nome"]?.ToString(),
                                dr["CNPJ"]?.ToString(),
                                dr["TipoEmpresa"]?.ToString(),
                                dr["RegimeTributario"]?.ToString(),
                                dr["CNAE"]?.ToString(),
                                dr["Cep"]?.ToString(),
                                dr["Endereco"]?.ToString(),
                                Convert.ToInt32(dr["Numero"]),
                                dr["Complemento"]?.ToString(),
                                dr["Bairro"]?.ToString(),
                                dr["Cidade"]?.ToString(),
                                dr["UF"]?.ToString(),
                                dr["Pais"]?.ToString(),
                                dr["Telefone1"]?.ToString(),
                                dr["Telefone2"]?.ToString(),
                                dr["Celular"]?.ToString(),
                                dr["Whatsapp"]?.ToString(),
                                dr["Email"]?.ToString(),
                                dr["Site"]?.ToString(),
                                dr["InscricaoEstadual"]?.ToString(),
                                dr["InscricaoMunicipal"]?.ToString(),
                                dr["CNPJCPF_Contador"]?.ToString(),
                                dr["Nome_Contador"]?.ToString(),
                                dr["TextoParaRecibo"]?.ToString(),
                                Convert.ToBoolean(dr["Ativo"]),
                                Convert.ToDateTime(dr["CriadoEm"]),
                                Convert.ToDateTime(dr["AtualizadoEm"])
                            ));
                        }
                    }
                }
            }
            catch
            {
                return new List<ModeloEmpresa>();
            }

            return lista;
        }//listarEmpresa

        // 🔹 CARREGAR POR ID
        public ModeloEmpresa CarregarModeloEmpresa(int id)
        {
            try
            {
                using (SqlConnection conn = new SqlConnection(connectionString))
                {
                    conn.Open();

                    string sql = "SELECT * FROM Empresa WHERE IdEmpresa = @Id";

                    using (SqlCommand cmd = new SqlCommand(sql, conn))
                    {
                        cmd.Parameters.AddWithValue("@Id", id);

                        using (SqlDataReader dr = cmd.ExecuteReader())
                        {
                            if (dr.Read())
                            {
                                return new ModeloEmpresa(
                                    Convert.ToInt32(dr["Id"]),
                                    dr["Nome"]?.ToString(),
                                    dr["CNPJ"]?.ToString(),
                                    dr["TipoEmpresa"]?.ToString(),
                                    dr["RegimeTributario"]?.ToString(),
                                    dr["CNAE"]?.ToString(),
                                    dr["Cep"]?.ToString(),
                                    dr["Endereco"]?.ToString(),
                                    Convert.ToInt32(dr["Numero"]),
                                    dr["Complemento"]?.ToString(),
                                    dr["Bairro"]?.ToString(),
                                    dr["Cidade"]?.ToString(),
                                    dr["UF"]?.ToString(),
                                    dr["Pais"]?.ToString(),
                                    dr["Telefone1"]?.ToString(),
                                    dr["Telefone2"]?.ToString(),
                                    dr["Celular"]?.ToString(),
                                    dr["Whatsapp"]?.ToString(),
                                    dr["Email"]?.ToString(),
                                    dr["Site"]?.ToString(),
                                    dr["InscricaoEstadual"]?.ToString(),
                                    dr["InscricaoMunicipal"]?.ToString(),
                                    dr["CNPJCPF_Contador"]?.ToString(),
                                    dr["Nome_Contador"]?.ToString(),
                                    dr["TextoParaRecibo"]?.ToString(),
                                    Convert.ToBoolean(dr["Ativo"]),
                                    Convert.ToDateTime(dr["CriadoEm"]),
                                    Convert.ToDateTime(dr["AtualizadoEm"])
                                );
                            }
                        }
                    }
                }
            }
            catch { }

            return null;
        }//CarregarModeloEmpresaPorID

        // 🔹 INSERIR
        public bool Inserir(ModeloEmpresa obj)
        {
            try
            {
                using (SqlConnection conn = new SqlConnection(connectionString))
                {
                    conn.Open();

                    string sql = @"INSERT INTO Empresa
                    (Nome, CNPJ, TipoEmpresa, RegimeTributario, CNAE, Cep, Endereco, Numero,
                     Complemento, Bairro, Cidade, UF, Pais, Telefone1, Telefone2, Celular,
                     Whatsapp, Email, Site, InscricaoEstadual, InscricaoMunicipal,
                     CNPJCPF_Contador, Nome_Contador, TextoParaRecibo, Ativo)
                    VALUES
                    (@Nome, @CNPJ, @TipoEmpresa, @RegimeTributario, @CNAE, @Cep, @Endereco, @Numero,
                     @Complemento, @Bairro, @Cidade, @UF, @Pais, @Telefone1, @Telefone2, @Celular,
                     @Whatsapp, @Email, @Site, @InscricaoEstadual, @InscricaoMunicipal,
                     @CNPJCPF_Contador, @Nome_Contador, @TextoParaRecibo, @Ativo)";

                    using (SqlCommand cmd = new SqlCommand(sql, conn))
                    {
                        PreencherParametros(cmd, obj);
                        return cmd.ExecuteNonQuery() > 0;
                    }
                }
            }
            catch
            {
                return false;
            }
        }//Incluir

        // 🔹 ALTERAR
        public bool Alterar(ModeloEmpresa obj)
        {
            try
            {
                using (SqlConnection conn = new SqlConnection(connectionString))
                {
                    conn.Open();

                    string sql = @"UPDATE Empresa SET
                        Nome=@Nome, CNPJ=@CNPJ, TipoEmpresa=@TipoEmpresa, RegimeTributario=@RegimeTributario,
                        CNAE=@CNAE, Cep=@Cep, Endereco=@Endereco, Numero=@Numero,
                        Complemento=@Complemento, Bairro=@Bairro, Cidade=@Cidade, UF=@UF,
                        Pais=@Pais, Telefone1=@Telefone1, Telefone2=@Telefone2,
                        Celular=@Celular, Whatsapp=@Whatsapp, Email=@Email, Site=@Site,
                        InscricaoEstadual=@InscricaoEstadual, InscricaoMunicipal=@InscricaoMunicipal,
                        CNPJCPF_Contador=@CNPJCPF_Contador, Nome_Contador=@Nome_Contador,
                        TextoParaRecibo=@TextoParaRecibo, Ativo=@Ativo,
                        AtualizadoEm=GETDATE()
                    WHERE IdEmpresa=@Id";

                    using (SqlCommand cmd = new SqlCommand(sql, conn))
                    {
                        PreencherParametros(cmd, obj);
                        cmd.Parameters.AddWithValue("@Id", obj.Id);

                        return cmd.ExecuteNonQuery() > 0;
                    }
                }
            }
            catch
            {
                return false;
            }
        }//Alterar

        // 🔹 EXCLUIR
        public bool Excluir(int id)
        {
            try
            {
                using (SqlConnection conn = new SqlConnection(connectionString))
                {
                    conn.Open();

                    string sql = "DELETE FROM Empresa WHERE IdEmpresa=@Id";

                    using (SqlCommand cmd = new SqlCommand(sql, conn))
                    {
                        cmd.Parameters.AddWithValue("@Id", id);
                        return cmd.ExecuteNonQuery() > 0;
                    }
                }
            }
            catch
            {
                return false;
            }
        }//Excluir

        // 🔹 MÉTODO AUXILIAR (evita repetição)
        private void PreencherParametros(SqlCommand cmd, ModeloEmpresa obj)
        {
            cmd.Parameters.AddWithValue("@Nome", obj.Nome ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@CNPJ", obj.CNPJ ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@TipoEmpresa", obj.TipoEmpresa ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@RegimeTributario", obj.RegimeTributario ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@CNAE", obj.CNAE ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Cep", obj.Cep ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Endereco", obj.Endereco ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Numero", obj.Numero);
            cmd.Parameters.AddWithValue("@Complemento", obj.Complemento ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Bairro", obj.Bairro ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Cidade", obj.Cidade ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@UF", obj.UF ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Pais", obj.Pais ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Telefone1", obj.Telefone1 ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Telefone2", obj.Telefone2 ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Celular", obj.Celular ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Whatsapp", obj.Whatsapp ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Email", obj.Email ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Site", obj.Site ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@InscricaoEstadual", obj.InscricaoEstadual ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@InscricaoMunicipal", obj.InscricaoMunicipal ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@CNPJCPF_Contador", obj.CNPJCPF_Contador ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Nome_Contador", obj.Nome_Contador ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@TextoParaRecibo", obj.TextoParaRecibo ?? (object)DBNull.Value);
            cmd.Parameters.AddWithValue("@Ativo", obj.Ativo);
        }//Preencher parametros

        public ModeloEmpresa? CarregarEmpresaAtiva()
        {
            try
            {
                using (SqlConnection conn = new SqlConnection(connectionString))
                {
                    conn.Open();

                    // Retorna a primeira empresa com Ativo = true
                    string sql = "SELECT TOP 1 * FROM Empresa WHERE Ativo = 1";

                    using (SqlCommand cmd = new SqlCommand(sql, conn))
                    using (SqlDataReader dr = cmd.ExecuteReader())
                    {
                        if (dr.Read())
                        {
                            return new ModeloEmpresa(
                                Convert.ToInt32(dr["IdEmpresa"]),
                                dr["Nome"]?.ToString(),
                                dr["CNPJ"]?.ToString(),
                                dr["TipoEmpresa"]?.ToString(),
                                dr["RegimeTributario"]?.ToString(),
                                dr["CNAE"]?.ToString(),
                                dr["Cep"]?.ToString(),
                                dr["Endereco"]?.ToString(),
                                Convert.ToInt32(dr["Numero"]),
                                dr["Complemento"]?.ToString(),
                                dr["Bairro"]?.ToString(),
                                dr["Cidade"]?.ToString(),
                                dr["UF"]?.ToString(),
                                dr["Pais"]?.ToString(),
                                dr["Telefone1"]?.ToString(),
                                dr["Telefone2"]?.ToString(),
                                dr["Celular"]?.ToString(),
                                dr["Whatsapp"]?.ToString(),
                                dr["Email"]?.ToString(),
                                dr["Site"]?.ToString(),
                                dr["InscricaoEstadual"]?.ToString(),
                                dr["InscricaoMunicipal"]?.ToString(),
                                dr["CNPJCPF_Contador"]?.ToString(),
                                dr["Nome_Contador"]?.ToString(),
                                dr["TextoParaRecibo"]?.ToString(),
                                Convert.ToBoolean(dr["Ativo"]),
                                Convert.ToDateTime(dr["CriadoEm"]),
                                Convert.ToDateTime(dr["AtualizadoEm"])
                            );
                        }
                    }
                }
            }
            catch { }

            return null;
        }//CarregarEmpresaAtiva
    }
}