using Server.System;
using Newtonsoft.Json;
using Server.SQL;

namespace Server.Service
{
    public class EquipChange : AbstractService
    {
        private EquipChangeReq req;
        public override string Process()
        {
            //문제 1 장비 장착 저장이 안됨.
            //문제 2 기존에 장비가 있다면 신규 장비로 교체가 되야함.
            UserSQL userSQL = new UserSQL(); 
            EquipmentrSQL equipmentrSQL = new EquipmentrSQL();
            DeckUnitInfoSQL deckUnitInfoSQL = new DeckUnitInfoSQL();
            User user = userSQL.SelectUuid(req.uuid);
            Equipment equipment = equipmentrSQL.SelectItem(user.id, req.equipment_id);
            DeckUnitInfo deckUnitInfo = deckUnitInfoSQL.SelectItem(user.id, req.unit_id);

            if(equipment == null || deckUnitInfo == null)
            {
                throw new RuntimeException("Not Data", Error.nodata);
            }

            EquipmentData equipmentData = Statics.equipmentData[equipment.equipment_data_id];

            switch (equipmentData.part)
            {
                case 0:
                    deckUnitInfo.equip0_id = equipment.id;
                    break;
                case 1:
                    deckUnitInfo.equip1_id = equipment.id;
                    break;
                case 2:
                    deckUnitInfo.equip2_id = equipment.id;
                    break;
                case 3:
                    deckUnitInfo.equip3_id = equipment.id;
                    break;
                case 4:
                    deckUnitInfo.equip4_id = equipment.id;
                    break;
                case 5:
                    deckUnitInfo.equip5_id = equipment.id;
                    break;
            }
            equipment.equip_unit = deckUnitInfo.id;

            equipmentrSQL.Update(equipment);
            deckUnitInfoSQL.Update(deckUnitInfo);

            return makeResp(equipment, deckUnitInfo);
        }

        public override Protocol ProtocolValue() => Protocol.EquipChange;
        
        public override Req Requst(string json)
        {
            req = JsonConvert.DeserializeObject<EquipChangeReq>(json);
            return req;
        }

        private string makeResp(Equipment equipment, DeckUnitInfo deck_unit_info)
        {
            EquipChangeResp resp = new EquipChangeResp();
            resp.status = 200;
            resp.equipment = equipment;
            resp.deck_unit_info = deck_unit_info;
            return resp.ToJson();
        }
    }

    public class EquipChangeReq : Req
    {
        public string uuid;
        public long unit_id;
        public long equipment_id;
        public override bool IsReceivedAllField()
        {
            return true;
        }
    }

    public class EquipChangeResp : Resp
    {
        public Equipment equipment;
        public DeckUnitInfo deck_unit_info;
    }
}