ilyalehchylin/educats-xamarin

using EduCATS.Helpers.Forms;
using EduCATS.Helpers.Json;
using EduCATS.Networking;
using EduCATS.Networking.AppServices;
using EduCATS.Networking.Models.SaveMarks;
using EduCATS.Networking.Models.SaveMarks.LabSchedule;
using EduCATS.Pages.SaveMarks;
using EduCATS.Pages.Statistics.Marks.Models;
using Nyxbull.Plugins.CrossLocalization;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms;

namespace EduCATS.Pages.SaveLabsAndPracticeMarks.ViewModels
{
    public class SaveSingleStudentMarkPageViewModel : ViewModel
    {
        public readonly IPlatformServices _services;
        public int selSubGroup { get; set; }
        public List<VisitingPageModel> _currentLabsVisitingMarksSubGroup1;
        public List<VisitingPageModel> _currentLabsVisitingMarksSubGroup2;
        public List<string> FullNames { get; set; }
        public TakedLabs _takedLabs { get; set; }
        public string _title { get; set; }
        public string studentName { get; set; }
        public int _subGruop { get; set; }

        public LabsVisitingList fullMarksLabs = new LabsVisitingList();
        public LabsVisitingList fullPractice = new LabsVisitingList();

        public SaveSingleStudentMarkPageViewModel(IPlatformServices services,
            string nameofLabOrPr, LabsVisitingList marks, TakedLabs prOrLabStat, string title, string _studName, int subGruop)
        {
            _subGruop = subGruop;
            studentName = _studName;
            _title = title;
            if (title == CrossLocalization.Translate("practice_mark"))
            {
                fullPractice = marks;
            }
            else if (title == CrossLocalization.Translate("stats_page_labs_rating"))
            {
                fullMarksLabs = marks;
            }
            _services = services;
            _takedLabs = prOrLabStat;
            SelectedShortName = nameofLabOrPr;
        }

        Command _saveMarksButton;
        public Command SaveMarksButton
        {
            get
            {
                return _saveMarksButton ?? (_saveMarksButton = new Command(
                    async () => await saveMarks()));
            }
        }

        private async Task saveMarks()
        {
            string body = ""; 
            string link = "";
            if (_title == CrossLocalization.Translate("practice_mark"))
            {
                link = Links.SaveSinglePract;
                SavePractSingle save = new SavePractSingle();
                foreach (var pract in _takedLabs.Practicals.Where(v => v.ShortName == SelectedShortName))
                {
                    save.practicalId = pract.PracticalId;
                    save.subjectId = _services.Preferences.ChosenSubjectId;
                    foreach (var practic in fullPractice.Students.Where(v => v.FullName == studentName))
                    {
                        save.studentId = practic.StudentId;
                        save.showForStudent = ShowForStud;
                        save.mark = Mark;
                        save.Comment = Comment;
                        save.date = DateTime.Today.ToString("dd.MM.yyyy");
                        foreach (var practMark in practic.PracticalsMarks.Where(v => v.PracticalId == save.practicalId))
                        {
                            save.id = practMark.StudentPracticalMarkId;
                        }
                    }
                }
                body = JsonController.ConvertObjectToJson(save);
            }
            else if (_title == CrossLocalization.Translate("stats_page_labs_rating"))
            {
                link = Links.SaveSingleLab;
                SaveLabsSingle save = new SaveLabsSingle();
                foreach (var lab in _takedLabs.Labs.Where(v => v.ShortName == SelectedShortName && v.SubGroup == _subGruop))
                {
                    save.labId = lab.LabId;
                    foreach (var labs in fullMarksLabs.Students.Where(v => v.FullName == studentName))
                    {
                        save.studentId = labs.StudentId;
                        save.showForStudent = ShowForStud;
                        save.mark = Mark;
                        save.Comment = Comment;
                        save.date = DateTime.Today.ToString("dd.MM.yyyy");
                        foreach (var labMark in labs.LabsMarks.Where(v => v.LabId == save.labId))
                        {
                            save.id = labMark.StudentLabMarkId;
                        }
                    } 
                }
                body = JsonController.ConvertObjectToJson(save);
            }
            
            await AppServicesController.Request(link, body);
            await _services.Navigation.ClosePage(false);

            return;
        }

        string _selectedShortName;
        public string SelectedShortName
        {
            get { return _selectedShortName; }
            set { SetProperty(ref _selectedShortName, value); }
        }

        bool _showForStud;
        public bool ShowForStud
        {
            get { return _showForStud; }
            set { SetProperty(ref _showForStud, value); }
        }

        int _mark;
        public int Mark
        {
            get { return _mark; }
            set { SetProperty(ref _mark, value); }
        }

        string _comment;
        public string Comment
        {
            get { return _comment; }
            set { SetProperty(ref _comment, value); }
        }

        string _selectedDate;
        public string SelectedDate
        {
            get { return _selectedDate; }
            set { SetProperty(ref _selectedDate, value); }
        }
    }
}