using System;
using System.Collections.Generic;
using System.Text;
using Npgsql;
using System.Collections;
using System.Data;

namespace SafeMobileLib
{
    public class Patch
    {
        private string type;
        public string Type
        {
            get { return type; }
            set { type = value; }
        }
        private string incoming;
        public string Incoming
        {
            get { return incoming; }
            set { incoming = value; }
        }
        private string outgoing;
        public string Outgoing
        {
            get { return outgoing; }
            set { outgoing = value; }
        }
        private string incomingId;
        public string IncomingId
        {
            get { return incomingId; }
            set { incomingId = value; }
        }
        private string outgoingId;
        public string OutgoingId
        {
            get { return outgoingId; }
            set { outgoingId = value; }
        }
        public Patch()
        { }
    }
    public class DBcallPatchManager : DBmanager
    {
        public DBcallPatchManager(string p_server, string p_dbname, string p_user, string p_password, string p_port)
            : base(p_server, p_dbname, p_user, p_password, p_port)
        {

        }

        public vehResponse addPatch(Patch patch, int user_id)
        {
           
            vehResponse resp = vehResponse.done;

            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    using (NpgsqlCommand cmd = new NpgsqlCommand($"INSERT INTO call_patch(type, incoming,outgoing, userid) " +
                                        $" VALUES({patch.Type}, '{patch.IncomingId}', '{patch.OutgoingId}', {user_id})", connection))
                    {
                        cmd.ExecuteNonQuery();
                    }
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                resp = vehResponse.SQLerror;
            }
           
            return resp;
        }

        public vehResponse deletePatch(Patch patch)
        {
            
            vehResponse resp = vehResponse.done;

            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    string command = $"DELETE FROM call_patch WHERE type = {patch.Type} AND incoming='{patch.IncomingId}' AND outgoing='{patch.OutgoingId}' ";

                    using (NpgsqlCommand cmd = new NpgsqlCommand(command, connection))
                    {
                        cmd.ExecuteNonQuery();
                    }
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                resp = vehResponse.SQLerror;
            }
            
            return resp;
        }

        public vehResponse deletePatchFromAdmin(int type, string deleted)
        {
            
            vehResponse resp = vehResponse.done;

            try
            {
                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    string command = $"DELETE FROM call_patch WHERE type = {type} AND (incoming='{deleted}' OR outgoing='{deleted}')";
                    using (NpgsqlCommand cmd = new NpgsqlCommand(command, connection))
                    {
                        cmd.ExecuteNonQuery();
                    }
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
                resp = vehResponse.SQLerror;
            }
            
            return resp;
        }

        public List<Patch> getAllPatches()
        {
            List<Patch> toRet = new List<Patch>();
            try
            {
                string command = "SELECT 'Dispatcher' as type, u.login as incoming, v.login as outgoing, incoming as incoming_id, outgoing as outgoing_id " +
                    "FROM call_patch " +
                    "JOIN users u ON u.userid::text = incoming " +
                    "JOIN users v ON v.userid::text = outgoing " +
                    "WHERE type = 0 " +
                    "UNION " +
                    "SELECT 'Gateway', r.name as incoming, s.name as outgoing, incoming as incoming_id, outgoing as outgoing_id " +
                    "FROM call_patch " +
                    "JOIN radio_gw r ON r.\"GW_ID\"::text || '.' || r.\"ID\"::text = incoming " +
                    "JOIN radio_gw s ON s.\"GW_ID\"::text || '.' || s.\"ID\"::text = outgoing " +
                    "WHERE type = 1";

                using (NpgsqlConnection connection = new NpgsqlConnection())
                {

                    connection.ConnectionString = getConnectionString();
                    connection.Open();

                    using (NpgsqlCommand cmd = new NpgsqlCommand(command, connection))
                    {

                        using (NpgsqlDataReader Reader = cmd.ExecuteReader())
                        {
                            while (Reader.Read())
                            {
                                Patch p = new Patch
                                {
                                    Type = Reader.GetString(0),
                                    Incoming = Reader.GetString(1),
                                    Outgoing = Reader.GetString(2),
                                    IncomingId = Reader.GetString(3),
                                    OutgoingId = Reader.GetString(4)
                                };
                                toRet.Add(p);
                            }
                        }
                    }
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message + " " + ee.StackTrace + " " + ee.Source);
            }
           
            return toRet;
        }
    }
}