using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

using Autodesk.Revit.DB;

using CommunityToolkit.Mvvm.ComponentModel;

namespace Szmedi.RevitToolkit.Approval.Models
{
    public partial class ReviewItem : ObservableObject
    {
        private readonly string SignParamName;

        //[ObservableProperty]
        //public partial bool IsSelected { get; set; } = false;

        [ObservableProperty]
        [NotifyPropertyChangedFor(nameof(FullName))]
        public partial string Sign { get; set; }
        [ObservableProperty]
        [NotifyPropertyChangedFor(nameof(FullName))]
        public partial string Code { get; private set; }
        public ReviewItem(Element element, string signParam = "深圳构件标识")
        {
            Element = element;
            this.SignParamName = signParam;
            Sign = GetParameterValue(element, signParam, "无标识");
            Code = GetParameterValue(element, "AM-100-EAM分类编码", "无编码");
            //Sign = element.GetParameters("深圳构件标识").FirstOrDefault()?.AsString() ?? "无标识";
            //Code = element.GetParameters("AM-100-EAM分类编码").FirstOrDefault()?.AsString() ?? "无编码";
        }
        private string GetParameterValue(Element element, string paramName, string defaultValue)
        {
            var doc = element.Document;
            var param = element.GetParameters(paramName)?.FirstOrDefault();
            var typeParam = doc.GetElement(element.GetTypeId())?.GetParameters(paramName)?.FirstOrDefault();
            string paramValue = typeParam?.AsString() ?? defaultValue;
            if (paramValue == defaultValue)
            {
                paramValue = param?.AsString() ?? defaultValue;
            }
            return paramValue;
        }
        private void SetParameterValue(Element element, string paramName, string value)
        {
            var doc = element.Document;
            var typeParam = doc.GetElement(element.GetTypeId()).GetParameters("深圳构件标识").FirstOrDefault();
            var param = element.GetParameters(paramName).FirstOrDefault();

            var typeResult = typeParam?.SetValue(value);
            var instanceResult = param?.SetValue(value);
            if (typeResult != true && instanceResult != true)
            {
                MessageBox.Show($"修改失败，请确认是否存在参数：{paramName}");
            }
        }
        partial void OnSignChanged(string value)
        {
            if (value == "无标识")
            {
                return;
            }

            RvApp.Handler
                .Raise(
                    uiapp =>
                    {
                        if (!Element.IsValidObject)
                        {
                            return;
                        }
                        Element.Document
                            .Invoke(
                                _ =>
                                {
                                    SetParameterValue(Element, "深圳构件标识", value);

                                    //var param = Element.GetParameters("深圳构件标识").FirstOrDefault();
                                    //if (param.AsString() == value)
                                    //{
                                    //    return;
                                    //}
                                    //param.SetValue(value);
                                },
                                $"修改标识->{value}");
                    });
        }

        public string FullName
        {
            get
            {
                //if (string.IsNullOrEmpty(Sign))
                //{
                //    Sign = "无标识";
                //}
                //if (string.IsNullOrEmpty(Code))
                //{
                //    Code = "无编号";
                //}
                return $"{Sign} - {Code}";
            }
        }

        public Element Element { get; }
    }
}