using MistoxWebsite.Server.Entities;
using MySql.Data.MySqlClient;
using System.Data;
using System.Data.Common;

namespace MistoxWebsite.Server.Services.DatabaseService {
    public partial class DatabaseService {

        public async Task<Account?> GetAccount( string UserNameOrEmail ) {
            Account? account = null;
            using( MySqlConnection connection = GetConnection() ) {
                connection.Open();
                string command = @"
                SELECT *
                FROM Account
                Left Join WebsiteData
                On Account.ID = WebsiteData.AccountID
                WHERE UserName = @UorE OR Email = @UorE;
                ";

                MySqlCommand cmd = new MySqlCommand(command, connection);
                cmd.Parameters.AddWithValue("@UorE", UserNameOrEmail);
                
                using( DbDataReader reader = await cmd.ExecuteReaderAsync() ) {
                    while( await reader.ReadAsync() ) {
                        if( reader == null ) {
                            break;
                        }

                        int _id = reader.GetInt32("ID");
                        string _username = reader.GetString("UserName");
                        string _email = reader.GetString("Email");
                        bool _emailVerified = reader.GetBoolean("EmailVerified");
                        string _passwordhash = reader.GetString("PasswordHash");

                        bool _failedpasswordlock = reader.GetBoolean( "FailedPasswordLock" );
                        int _passwordattempts = reader.GetInt32( "PasswordAttempts" );
                        int _curpasswordattempts = reader.GetInt32( "CurrentPasswordAttempts" );
                        string _role = reader.GetString( "Role" );
                        string _emailtoken = reader.GetString( "EmailToken" );

                        account = new Account() {
                            ID = _id,
                            UserName = _username,
                            Email = _email,
                            EmailVerified = _emailVerified,
                            PasswordHash = _passwordhash,
                            SiteData = new WebSiteData() {
                                AccountID = _id,
                                CurrentPasswordAttempts = _curpasswordattempts,
                                PasswordAttempts = _passwordattempts,
                                EmailToken = _emailtoken,
                                FailedPasswordLock = _failedpasswordlock,
                                Role = _role,
                            }
                        };
                    }
                }
            }
            return account;
        }

        public async Task<Account?> GetAccountByID( int ID ) {
            Account? account = null;
            using( MySqlConnection connection = GetConnection() ) {
                connection.Open();
                string command = @"
                SELECT *
                FROM Account
                Left Join WebsiteData
                On Account.ID = WebsiteData.AccountID
                WHERE ID = @ID;
                ";

                MySqlCommand cmd = new MySqlCommand(command, connection);
                cmd.Parameters.AddWithValue("@ID", ID);

                using( DbDataReader reader = await cmd.ExecuteReaderAsync() ) {
                    while( await reader.ReadAsync() ) {
                        if( reader == null ) {
                            break;
                        }
                        int _id = reader.GetInt32("ID");
                        string _username = reader.GetString("UserName");
                        string _email = reader.GetString("Email");
                        bool _emailVerified = reader.GetBoolean("EmailVerified");
                        string _passwordhash = reader.GetString("PasswordHash");

                        bool _failedpasswordlock = reader.GetBoolean( "FailedPasswordLock" );
                        int _passwordattempts = reader.GetInt32( "PasswordAttempts" );
                        int _curpasswordattempts = reader.GetInt32( "CurrentPasswordAttempts" );
                        string _role = reader.GetString( "Role" );
                        string _emailtoken = reader.GetString( "EmailToken" );

                        account = new Account() {
                            ID = _id,
                            UserName = _username,
                            Email = _email,
                            EmailVerified = _emailVerified,
                            PasswordHash = _passwordhash,
                            SiteData = new WebSiteData() {
                                AccountID = _id,
                                CurrentPasswordAttempts = _passwordattempts,
                                PasswordAttempts = _passwordattempts,
                                EmailToken = _emailtoken,
                                FailedPasswordLock = _failedpasswordlock,
                                Role = _role,
                            }
                        };
                    }
                }
            }
            return account;
        }

        public async Task SetAccount( Account Update ) {
            using( MySqlConnection connection = GetConnection() ) {
                connection.Open();
                string command = @"
                UPDATE Account SET
                UserName = @UserName,
                Email = @Email,
                EmailVerified = @EmailVerified,
                PasswordHash = @PasswordHash
                WHERE ID = @ID;
                ";

                MySqlCommand cmd = new MySqlCommand(command, connection);
                cmd.Parameters.AddWithValue("@UserName", Update.UserName);
                cmd.Parameters.AddWithValue("@Email", Update.Email);
                cmd.Parameters.AddWithValue("@EmailVerified", Update.EmailVerified);
                cmd.Parameters.AddWithValue("@PasswordHash", Update.PasswordHash);
                cmd.Parameters.AddWithValue("@ID", Update.ID);

                await cmd.ExecuteNonQueryAsync();
                await UpdateWebsiteData( Update, Update.SiteData );
            }
        }

        public async Task NewAccount( Account Profile ) {
            using( MySqlConnection connection = GetConnection() ) {
                connection.Open();

                int EmailVer = Profile.EmailVerified ? 1 : 0;
                string command = @"
                INSERT INTO Account
                (UserName,Email,EmailVerified,PasswordHash)
                VALUES
                (@UserName,@Email,@EmailVerified,@PasswordHash);

                SELECT ID FROM Account
                WHERE UserName = @UserName;
                ";

                MySqlCommand cmd = new MySqlCommand( command , connection);
                cmd.Parameters.AddWithValue("@UserName", Profile.UserName);
                cmd.Parameters.AddWithValue("@Email", Profile.Email);
                cmd.Parameters.AddWithValue("@EmailVerified", Profile.EmailVerified);
                cmd.Parameters.AddWithValue("@PasswordHash", Profile.PasswordHash);

                using( DbDataReader reader = await cmd.ExecuteReaderAsync() ) {
                    while( await reader.ReadAsync() ) {
                        if( reader == null ) {
                            break;
                        }
                        int _id = reader.GetInt32("ID");
                        Profile.ID = _id;
                    }
                }
                await NewWebsiteData( Profile, Profile.SiteData );
            }
        }

        public async Task DeleteAccount( Account Profile ) {
            using( MySqlConnection connection = GetConnection() ) {
                MySqlCommand cmd;
                connection.Open();

                string command = @"
                DELETE FROM Account WHERE ID = @ID;
                DELETE FROM AccountInventory WHERE AccountID = @ID;
                DELETE FROM ProjectMistData WHERE AccountID = @ID;
                DELETE FROM Cart WHERE AccountID = @ID;
                DELETE FROM WebsiteData WHERE AccountID = @ID;
                ";
                cmd = new MySqlCommand( command, connection );
                cmd.Parameters.AddWithValue("@ID", Profile.ID);

                await cmd.ExecuteNonQueryAsync();
            }
        }

    }
}