using OxyPlot;
using OxyPlot.Axes;
using OxyPlot.Legends;
using OxyPlot.Series;
using Prism.Commands;
using Prism.Ioc;
using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Documents;
using TeamAAS_VP.Core;
using TeamAAS_VP.Data;
using TeamAAS_VP.Interfaces;
using TeamAAS_VP.Models;
using TeamAAS_VP.Resources.Languages;
using TeamAAS_VP.Services;
using static MaterialDesignThemes.Wpf.Theme.ToolBar;

namespace TeamAAS_VP.ViewModels.Statistics
{
    public class ProductionStatementViewModel : BindableBase
    {
        IContainerProvider _container;
        ISystemDatabaseService _systemDatabaseService;
        IProductService _productService;

        Management management;

        #region 属性
        private Int64 _TotalCount;
        /// <summary>
        /// 总产能
        /// </summary>
        public Int64 TotalCount
        {
            get { return _TotalCount; }
            set { SetProperty(ref _TotalCount, value); }
        }

        private Int64 _MonthCount;
        /// <summary>
        /// 月产能
        /// </summary>
        public Int64 MonthCount
        {
            get { return _MonthCount; }
            set { SetProperty(ref _MonthCount, value); }
        }

        private Int64 _WeekCount;
        /// <summary>
        /// 周产能
        /// </summary>
        public Int64 WeekCount
        {
            get { return _WeekCount; }
            set { SetProperty(ref _WeekCount, value); }
        }

        private Int64 _DayCount;
        /// <summary>
        /// 日产能
        /// </summary>
        public Int64 DayCount
        {
            get { return _DayCount; }
            set { SetProperty(ref _DayCount, value); }
        }

        private PlotModel _YieldChartModel;
        /// <summary>
        /// 良率图表Model的mvvm属性，可通知UI更新
        /// </summary>
        public PlotModel YieldChartModel
        {
            get { return _YieldChartModel; }
            set { SetProperty(ref _YieldChartModel, value); }
        }

        private PlotModel _MonthChartModel;
        /// <summary>
        /// 月产能
        /// </summary>
        public PlotModel MonthChartModel
        {
            get { return _MonthChartModel; }
            set { SetProperty(ref _MonthChartModel, value); }
        }

        private PlotModel _WeekChartModel;
        /// <summary>
        /// 周产能
        /// </summary>
        public PlotModel WeekChartModel
        {
            get { return _WeekChartModel; }
            set { SetProperty(ref _WeekChartModel, value); }
        }

        private PlotModel _DayChartModel;
        /// <summary>
        /// 日产能
        /// </summary>
        public PlotModel DayChartModel
        {
            get { return _DayChartModel; }
            set { SetProperty(ref _DayChartModel, value); }
        }
        #endregion

        #region 命令
        private DelegateCommand _LoadedCommand;
        public DelegateCommand LoadedCommand =>
            _LoadedCommand ?? (_LoadedCommand = new DelegateCommand(ExecuteLoadedCommand));


        #endregion

        #region 事件

        #endregion

        public ProductionStatementViewModel(IContainerProvider container, ISystemDatabaseService systemDatabaseService, IProductService productService)
        {
            _container = container;
            _systemDatabaseService = systemDatabaseService;
            _productService = productService;
        }

        #region 方法
        async void ExecuteLoadedCommand()
        {
            var currentproduct = _productService.GetCurrentProduct();
            if (currentproduct == null) return;
            await App.Current.Dispatcher.InvokeAsync(new Action(async () =>
            {
                YieldChartModel = CreateYieldChartModel(await _systemDatabaseService.GetProductionByCategoriesAsync(currentproduct.Name));
                TotalCount = await _systemDatabaseService.GetOverallProductionAsync(currentproduct.Name);
                MonthCount = await _systemDatabaseService.GetCurrentMonthProductionAsync(currentproduct.Name);
                WeekCount = await _systemDatabaseService.GetCurrentWeekProductionAsync(currentproduct.Name);
                DayCount = await _systemDatabaseService.GetTodayProductionAsync(currentproduct.Name);
                MonthChartModel = CreateMonth(await _systemDatabaseService.GetMonthlyProductionByDayAndCategoryAsync(currentproduct.Name));
                WeekChartModel = CreateWeek(await _systemDatabaseService.GetWeeklyProductionByDayAndCategoryAsync(currentproduct.Name));
                DayChartModel = CreateDay(await _systemDatabaseService.GetDailyProductionByHourAndCategoryAsync(currentproduct.Name));
            }));

        }

        /// <summary>
        /// 创建产量图表模型
        /// </summary>
        /// <returns></returns>
        private PlotModel CreateYieldChartModel(Dictionary<string, int> Items)
        {
            List<PieSlice> PieSlices = new List<PieSlice>();
            PieSlices = new List<PieSlice>();
            foreach (var item in Items)
            {
                PieSlices.Add(new PieSlice(item.Key, (double)item.Value));
            }

            var model = new PlotModel { Title = Lang.产能统计 };
            var series = new PieSeries
            {
                StrokeThickness = 1.0,
                InsideLabelPosition = 0.5,
                AngleSpan = 360,
                StartAngle = 0
            };

            foreach (var slice in PieSlices)
            {
                series.Slices.Add(slice);
            }

            model.Series.Add(series);

            return model;
        }

        /// <summary>
        /// 创建月统计模型
        /// </summary>
        /// <param name="Items"></param>
        /// <returns></returns>
        private PlotModel CreateMonth(Dictionary<DateTime, Dictionary<string, int>> Items)
        {
            var model = new PlotModel { Title = Lang.当前月产能统计 };

            // 添加图例说明
            model.Legends.Add(new Legend
            {
                LegendPlacement = LegendPlacement.Outside,
                LegendPosition = LegendPosition.RightMiddle,
                LegendOrientation = LegendOrientation.Vertical,
                LegendBorderThickness = 0,
                LegendTextColor = OxyColors.LightGray
            }); ;

            // 定义第一个Y轴y1，显示数量
            var ay1 = new LinearAxis()
            {
                Key = "y1",
                Title = Lang.数量,
                TitlePosition = 1,
                Minimum = 0,
                Position = AxisPosition.Left,
                IsZoomEnabled = false,
                IsPanEnabled = false,
                TickStyle = TickStyle.None,
                MinorTickSize = 0,
                MajorGridlineStyle = LineStyle.Solid,
                MajorGridlineColor = OxyColor.Parse("#F3F3F3"),
            };

            var now = DateTime.UtcNow;
            var monthStart = DateTimeAxis.ToDouble(new DateTime(now.Year, now.Month, 1));
            var temp = new DateTime(now.Year, now.Month, 1);
            var monthEnd = DateTimeAxis.ToDouble(temp.AddMonths(1).AddDays(-1));

            // 定义X轴为日期轴
            //var minValue = DateTimeAxis.ToDouble(Items.Keys.ElementAt(0));
            //var maxValue = DateTimeAxis.ToDouble(Items.Keys.ElementAt(Items.Keys.Count - 1));
            var ax = new DateTimeAxis()
            {
                Minimum = monthStart,
                Maximum = monthEnd,
                StringFormat = $"dd{Lang.日}",
                MajorStep = 1,
                Position = AxisPosition.Bottom,
                Angle = 45,
                IsZoomEnabled = false,
                IsPanEnabled = false,
                TickStyle = TickStyle.None,
                MinorTickSize = 0,
                MajorGridlineStyle = LineStyle.Solid,
                MajorGridlineColor = OxyColor.Parse("#F3F3F3"),
            };

            model.Axes.Add(ay1);
            model.Axes.Add(ax);

            if (Items.Count <= 0)
            {
                return model;
            }

            foreach (var category in Items.First().Value.Keys)
            {
                var barSeries = new LinearBarSeries { Title = category };
                barSeries.YAxisKey = "y1";
                barSeries.BarWidth = 10;
                // 点击时弹出的label内容
                barSeries.TrackerFormatString = $"{0}\r\n{2:dd}{Lang.日}: {4:0}";
                foreach (var item in Items)
                {
                    if (item.Value.ContainsKey(category))
                    {
                        barSeries.Points.Add(new OxyPlot.DataPoint(DateTimeAxis.ToDouble(item.Key), (double)(item.Value[category])));
                    }
                    else
                    {
                        barSeries.Points.Add(new OxyPlot.DataPoint(DateTimeAxis.ToDouble(item.Key), 0));
                    }
                }

                model.Series.Add(barSeries);
            }

            var Series = new LineSeries { Title = Lang.总产量 };
            Series.YAxisKey = "y1";
            Series.TrackerFormatString = $"{0}\r\n{2:dd}{Lang.日}: {4:0}";
            foreach (var item in Items)
            {
                Int64 count = 0;
                foreach (var item1 in item.Value)
                {
                    count += item1.Value;
                }

                Series.Points.Add(new OxyPlot.DataPoint(DateTimeAxis.ToDouble(item.Key), (double)count));
            }
            model.Series.Add(Series);
            return model;
        }

        /// <summary>
        /// 创建周统计模型
        /// </summary>
        /// <param name="Items"></param>
        /// <returns></returns>
        private PlotModel CreateWeek(Dictionary<int, Dictionary<string, int>> Items)
        {
            var model = new PlotModel { Title = Lang.当前周产能统计 };

            // 添加图例说明
            model.Legends.Add(new Legend
            {
                LegendPlacement = LegendPlacement.Outside,
                LegendPosition = LegendPosition.RightMiddle,
                LegendOrientation = LegendOrientation.Vertical,
                LegendBorderThickness = 0,
                LegendTextColor = OxyColors.LightGray
            });

            // 定义第一个Y轴y1，显示数量
            var ay1 = new LinearAxis()
            {
                Key = "y1",
                Title = Lang.数量,
                Minimum = 0,
                Position = AxisPosition.Left,
                IsZoomEnabled = false,
                IsPanEnabled = false,
                TickStyle = TickStyle.None,
                MinorTickSize = 0,
                MajorGridlineStyle = LineStyle.Solid,
                MajorGridlineColor = OxyColor.Parse("#F3F3F3"),
            };

            // 定义X轴为日期轴
            var ax = new LinearAxis()
            {
                Minimum = 0,
                Maximum = 7.5,
                MajorStep = 1,
                Position = AxisPosition.Bottom,
                StringFormat = $"{Lang.周} 0",
                Angle = 0,
                IsZoomEnabled = false,
                IsPanEnabled = false,
                TickStyle = TickStyle.None,
                MinorTickSize = 0,
                MajorGridlineStyle = LineStyle.Solid,
                MajorGridlineColor = OxyColor.Parse("#F3F3F3"),
            };

            model.Axes.Add(ay1);
            model.Axes.Add(ax);
            if (Items.Count <= 0)
            {
                return model;
            }


            foreach (var category in Items.First().Value.Keys)
            {

                var barSeries = new LinearBarSeries { Title = category };
                barSeries.YAxisKey = "y1";
                barSeries.BarWidth = 10;
                // 点击时弹出的label内容
                barSeries.TrackerFormatString = $"{0}\r\n{Lang.周}{2:0}: {4:0}";
                foreach (var item in Items)
                {
                    if (item.Value.ContainsKey(category))
                    {
                        barSeries.Points.Add(new OxyPlot.DataPoint(DateTimeAxis.ToDouble(item.Key), (double)(item.Value[category])));
                    }
                    else
                    {
                        barSeries.Points.Add(new OxyPlot.DataPoint(DateTimeAxis.ToDouble(item.Key), 0));
                    }
                }

                model.Series.Add(barSeries);
            }

            var Series = new LineSeries { Title = Lang.当前周产能统计 };
            Series.YAxisKey = "y1";
            Series.TrackerFormatString = $"{0}\r\n{2:dd}{Lang.日}: {4:0}";
            foreach (var item in Items)
            {
                Int64 count = 0;
                foreach (var item1 in item.Value)
                {
                    count += item1.Value;
                }

                Series.Points.Add(new OxyPlot.DataPoint(DateTimeAxis.ToDouble(item.Key), (double)count));
            }
            model.Series.Add(Series);
            return model;
        }

        /// <summary>
        /// 创建日统计模型
        /// </summary>
        /// <param name="Items"></param>
        /// <returns></returns>
        private PlotModel CreateDay(Dictionary<int, Dictionary<string, int>> Items)
        {
            var model = new PlotModel { Title = Lang.当前日产能统计 };

            // 添加图例说明
            model.Legends.Add(new Legend
            {
                LegendPlacement = LegendPlacement.Outside,
                LegendPosition = LegendPosition.RightMiddle,
                LegendOrientation = LegendOrientation.Vertical,
                LegendBorderThickness = 0,
                LegendTextColor = OxyColors.LightGray
            });

            // 定义第一个Y轴y1，显示数量
            var ay1 = new LinearAxis()
            {
                Key = "y1",
                Title = $"{Lang.数量}",
                Minimum = 0,
                Position = AxisPosition.Left,
                IsZoomEnabled = false,
                IsPanEnabled = false,
                TickStyle = TickStyle.None,
                MinorTickSize = 0,
                MajorGridlineStyle = LineStyle.Solid,
                MajorGridlineColor = OxyColor.Parse("#F3F3F3"),
            };

            // 定义X轴为小时
            var ax = new LinearAxis()
            {
                Minimum = 0,
                Maximum = 24.5,
                MajorStep = 1,
                StringFormat = "0 H",
                Position = AxisPosition.Bottom,
                Angle = 0,
                IsZoomEnabled = false,
                IsPanEnabled = false,
                TickStyle = TickStyle.None,
                MinorTickSize = 0,
                MajorGridlineStyle = LineStyle.Solid,
                MajorGridlineColor = OxyColor.Parse("#F3F3F3"),
            };

            model.Axes.Add(ay1);
            model.Axes.Add(ax);

            if (Items.Count<=0)
            {
                return model;
            }

            foreach (var category in Items.First().Value.Keys)
            {

                var barSeries = new LinearBarSeries { Title = category };
                barSeries.YAxisKey = "y1";
                barSeries.BarWidth = 10;
                // 点击时弹出的label内容
                barSeries.TrackerFormatString = "{0}\r\n{2:0}Hours: {4:0}";
                foreach (var item in Items)
                {
                    barSeries.Points.Add(new OxyPlot.DataPoint(LinearAxis.ToDouble(item.Key), (double)(item.Value[category])));
                }

                model.Series.Add(barSeries);
            }

            var Series = new LineSeries { Title = Lang.总产量 };
            Series.YAxisKey = "y1";
            Series.TrackerFormatString = $"{0}\r\n{2:dd}{Lang.小时}: {4:0}";
            foreach (var item in Items)
            {
                Int64 count = 0;
                foreach (var item1 in item.Value)
                {
                    count += item1.Value;
                }

                Series.Points.Add(new OxyPlot.DataPoint(DateTimeAxis.ToDouble(item.Key), (double)count));
            }
            model.Series.Add(Series);
            return model;
        }
        #endregion
    }
}