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

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

        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
                {
                    long id = Data.GetProperty("id").GetInt64();
                    string updateId = Data.GetProperty("updateId").GetString();
                    if (Data.TryGetProperty("changes", out JsonElement changes))
                    {
                        MapData mapData = MapData.Get(id) ?? throw new Exception($"数据库中未能找到id为{id}的元素");
                        string color = changes.GetProperty("color").GetString()!;
                        if (changes.TryGetProperty("width", out JsonElement widthElement))
                        {
                            int width = widthElement.GetInt32();
                            mapData.Width = width;
                        }
                        if (changes.TryGetProperty("details", out JsonElement detailsElement))
                        {
                            string details = detailsElement.GetString()!;
                            mapData.Details = Util.JsonToBase64(details);
                        }
                        if (changes.TryGetProperty("custom", out JsonElement customElement))
                        {
                            string custom = customElement.GetString()!;
                            mapData.Custom = Util.JsonToBase64(custom);
                        }
                        if (MapData.Update(mapData) == -1) throw new Exception("数据库修改失败");
                        ResponseOrBroadcastInstructs.Add(new Instruct()
                        {
                            IsResponse = true,
                            Type = "send_correct",
                            Class = "updateElement",
                            Conveyor = conveyor,
                            Time = GlobalArea.GetCurrentTime(),
                            Data = new
                            {
                                vid = updateId,
                                rid = id
                            }
                        });
                        ResponseOrBroadcastInstructs.Add(new Instruct()
                        {
                            IsBroadcast = true,
                            Type = "broadcast",
                            Class = "updateElement",
                            Conveyor = conveyor,
                            Time = GlobalArea.GetCurrentTime(),
                            Data = mapData
                        });
                    }

                }
                catch (Exception ex)
                {
                    GlobalArea.Log.Warn($"处理{Class}广播指令出错：" + ex.Message);
                    ResponseOrBroadcastInstructs.Add(new Instruct()
                    {
                        IsResponse = true,
                        Type = "send_error",
                        Class = "updateElement",
                        Conveyor = conveyor,
                        Time = GlobalArea.GetCurrentTime(),
                        Data = new
                        {
                            source = Data,
                            message = ex.Message
                        }
                    });
                }
            });
        }
    }
}