using System.Text.Json;
using OMS.NET.Common;
using OMS.NET.DbClass;

namespace OMS.NET.Instructs
{
    public class DeleteElementInstruct : Instruct
    {
        public DeleteElementInstruct()
        {
            Type = "broadcast";
            Class = "deleteElement";
        }

        public override Task Handler(string wsid)
        {
            return Task.Run(() =>
            {
                if (!GlobalArea.LoginCheckByID(wsid)) return;//登录检查不通过则直接退出
                if (Data?.GetType() != typeof(JsonElement)) return;//Data 非空和JsonElement类型检查
                string conveyor = GlobalArea.GetLoginEmailByID(wsid);
                try
                {
                    //解析id和tmpId
                    long id = Data.GetProperty("id").GetInt64();
                    string tmpId = Data.GetProperty("tmpId").GetString();
                    //需要先实现activeData相关
                    MapData mapData = MapData.Get(id) ?? throw new Exception($"Element{id}不存在");
                    mapData.Phase = 2;
                    int row = MapData.Update(mapData);
                    if (row == -1) throw new Exception("数据库修改失败");
                    if (GlobalArea.IsElementExit(id))
                    {
                        GlobalArea.RemoveActiveDataElement(id);
                        ResponseOrBroadcastInstructs.Add(new Instruct()
                        {
                            IsBroadcast = true,
                            Type = "broadcast",
                            Class = "pickSelectEndElements",
                            Conveyor = conveyor,
                            Time = GlobalArea.GetCurrentTime(),
                            Data = new
                            {
                                id = id
                            }
                        });
                    }
                    ResponseOrBroadcastInstructs.Add(new Instruct()
                    {
                        IsResponse = true,
                        Type = "send_correct",
                        Class = "delete",
                        Conveyor = conveyor,
                        Time = GlobalArea.GetCurrentTime(),
                        Data = new
                        {
                            rid = id
                        }
                    });
                    ResponseOrBroadcastInstructs.Add(new Instruct()
                    {
                        IsBroadcast = true,
                        Type = "broadcast",
                        Class = "deleteElement",
                        Conveyor = conveyor,
                        Time = GlobalArea.GetCurrentTime(),
                        Data = new
                        {
                            id = id
                        }
                    });
                    LayerData layer = GlobalArea.GetLayerDataByTemplateId(tmpId)!;
                    layer.DeleteElement(id);
                    ResponseOrBroadcastInstructs.Add(new Instruct()
                    {
                        IsBroadcast = true,
                        Type = "broadcast",
                        Class = "updateLayerData",
                        Conveyor = conveyor,
                        Time = GlobalArea.GetCurrentTime(),
                        Data = new
                        {
                            id = layer.LayerId,
                            members = layer.Members!.ToString(),
                            structure = layer.Structure!.ToString(),
                        }
                    });
                }
                catch (Exception ex)
                {
                    GlobalArea.Log.Warn($"处理{Class}广播指令出错：" + ex.Message);
                    //ResponseOrBroadcastInstructs.Clear();
                    ResponseOrBroadcastInstructs.Add(new Instruct()
                    {
                        IsResponse = true,
                        Type = "send_error",
                        Class = "delete",
                        Conveyor = conveyor,
                        Time = GlobalArea.GetCurrentTime(),
                        Data = new
                        {
                            source = Data,
                            message = ex.Message
                        }
                    });
                }
            });
        }
    }
}