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

namespace Server.Service
{
    public class EquipChange : AbstractService
    {
        private EquipChangeReq req;

        public void SaveSQL()
        {
            Statics.equipmentrSQL.SaveChanges();
            Statics.deckUnitInfoSQL.SaveChanges();
        }

        public override string Process()
        {
            User user = Statics.userSQL.SelectUuid(req.uuid);
            Equipment equipment = Statics.equipmentrSQL.SelectItem(user.id, req.equipment_id);
            DeckUnitInfo deckUnitInfo = Statics.deckUnitInfoSQL.SelectItem(user.id, req.unit_id);
            Equipment equipitem = null;


            if (equipment == null || deckUnitInfo == null)
            {
                throw new RuntimeException("Not Data", Error.nodata);
            }
            EquipmentData equipmentData = Statics.equipmentExcel.getEquipmentData(equipment.equipment_data_id);
            if (req.is_equipment)
            {
                switch (equipmentData.part)
                {
                    case 0:
                        if (deckUnitInfo.equip0_id != 0)
                        {
                            equipitem = Statics.equipmentrSQL.SelectItem(user.id, deckUnitInfo.equip0_id);
                            equipitem.equip_unit = 0;
                            Statics.equipmentrSQL.Update(equipitem);
                        }
                        deckUnitInfo.equip0_id = equipment.id;
                        break;
                    case 1:
                        if (deckUnitInfo.equip1_id != 0)
                        {
                            equipitem = Statics.equipmentrSQL.SelectItem(user.id, deckUnitInfo.equip1_id);
                            equipitem.equip_unit = 0;
                            Statics.equipmentrSQL.Update(equipitem);
                        }
                        deckUnitInfo.equip1_id = equipment.id;
                        break;
                    case 2:
                        if (deckUnitInfo.equip2_id != 0)
                        {
                            equipitem = Statics.equipmentrSQL.SelectItem(user.id, deckUnitInfo.equip2_id);
                            equipitem.equip_unit = 0;
                            Statics.equipmentrSQL.Update(equipitem);
                        }
                        deckUnitInfo.equip2_id = equipment.id;
                        break;
                    case 3:
                        if (deckUnitInfo.equip3_id != 0)
                        {
                            equipitem = Statics.equipmentrSQL.SelectItem(user.id, deckUnitInfo.equip3_id);
                            equipitem.equip_unit = 0;
                            Statics.equipmentrSQL.Update(equipitem);
                        }
                        deckUnitInfo.equip3_id = equipment.id;
                        break;
                    case 4:
                        if (deckUnitInfo.equip4_id != 0)
                        {
                            equipitem = Statics.equipmentrSQL.SelectItem(user.id, deckUnitInfo.equip4_id);
                            equipitem.equip_unit = 0;
                            Statics.equipmentrSQL.Update(equipitem);
                        }
                        deckUnitInfo.equip4_id = equipment.id;
                        break;
                    case 5:
                        if (deckUnitInfo.equip5_id != 0)
                        {
                            equipitem = Statics.equipmentrSQL.SelectItem(user.id, deckUnitInfo.equip5_id);
                            equipitem.equip_unit = 0;
                            Statics.equipmentrSQL.Update(equipitem);
                        }
                        deckUnitInfo.equip5_id = equipment.id;
                        break;
                }
                equipment.equip_unit = deckUnitInfo.id;
            }
            else
            {
                equipment.equip_unit = 0;
                switch (equipmentData.part)
                {
                    case 0:
                        deckUnitInfo.equip0_id = 0;
                        break;
                    case 1:
                        deckUnitInfo.equip1_id = 0;
                        break;
                    case 2:
                        deckUnitInfo.equip2_id = 0;
                        break;
                    case 3:
                        deckUnitInfo.equip3_id = 0;
                        break;
                    case 4:
                        deckUnitInfo.equip4_id = 0;
                        break;
                    case 5:
                        deckUnitInfo.equip5_id = 0;
                        break;
                }
            }
            Statics.equipmentrSQL.Update(equipment);
            Statics.deckUnitInfoSQL.Update(deckUnitInfo);

            return makeResp(equipment, deckUnitInfo, equipitem);
        }

        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, Equipment change_equipment)
        {
            SaveSQL();
            EquipChangeResp resp = new EquipChangeResp();
            resp.status = 200;
            resp.equipment = equipment;
            resp.deck_unit_info = deck_unit_info;
            resp.change_equipment = change_equipment;
            return resp.ToJson();
        }
    }

    public class EquipChangeReq : Req
    {
        public string uuid;
        public long unit_id;
        public long equipment_id;
        public bool is_equipment;
        public override bool IsReceivedAllField()
        {
            if(uuid == "" || unit_id == 0 || equipment_id == 0)
                return false;
            return true;
        }
    }

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