using System;
using System.Collections.Generic;
using AvaloniaApplication4.Models;
using Microsoft.EntityFrameworkCore;
using System.Linq;
using ReactiveUI;
using AvaloniaApplication4.AdditionalModels;
using Tmds.DBus.Protocol;
using AvaloniaApplication4.Views.StudyLists;

namespace AvaloniaApplication4.ViewModels
{
	public class MyProgramsViewModel : ViewModelBase
	{
        User? user;
        GlobalsData globalsData;
        List<RunningProgram> programs = new List<RunningProgram>();

        List<MyProgramsTemplate> programsWithSubject = new List<MyProgramsTemplate>();
        List<MyProgramsTemplate> staticProgramsWithSubject = new List<MyProgramsTemplate>();
      
        public MyProgramsViewModel(User? user, GlobalsData globalsData, int idAction)
        {
            this.user = user;
            this.globalsData = globalsData;
            List<UsersWithRole> roles = dataBase.UsersWithRoles.Include(x=>x.IdRoleNavigation).Include(x=>x.IdUserNavigation).Where(x=>x.IdUser == user.IdUser).ToList();
            bool isAllTutor = false;
            foreach(UsersWithRole role in roles)
            {
                if (role.IdRoleNavigation.RoleName == "Куратор всех программ") isAllTutor = true;
                if (role.IdRoleNavigation.RoleName == "Администратор") isAllTutor = true;
            }
            if (isAllTutor)
            {
                Programs = dataBase.RunningPrograms
                                .Include(x => x.IdTutorNavigation)
                                .Include(x => x.IdStatusNavigation)
                                .Include(x => x.IdSecretaryNavigation)
                                .Include(x => x.IdProgramTemplateNavigation)
                                .ToList();
            }
            else
            {
                Programs = dataBase.RunningPrograms
                    .Include(x => x.IdTutorNavigation)
                    .Include(x => x.IdStatusNavigation)
                    .Include(x => x.IdSecretaryNavigation)
                    .Include(x => x.IdProgramTemplateNavigation)
                    .Where(x => x.IdTutor == user.IdUser || x.IdSecretary == user.IdUser)
                    .ToList();
            }
            List<ProgramsWithSubject> all = dataBase.ProgramsWithSubjects
                .Include(x => x.IdRunningProgramNavigation)
                .Include(x => x.IdSubjectNavigation)
                .Include(x => x.IdTeacherNavigation)
                .ToList();
            foreach (var program in Programs)
            {
                if (program.IdStatusNavigation.NameStatus == "В процессе")
                {
                    ProgramsWithSubject.Add
                        (
                        new MyProgramsTemplate(program.IdProgramTemplateNavigation.NameProgram,program.IdProgramTemplateNavigation.CodeProgram,
                        all.Where(x=>x.IdRunningProgram == program.IdRunningPrograms).ToList())
                        );
                }
            }
            staticProgramsWithSubject = ProgramsWithSubject;
        }

        public void GetCredit(int idSubject)
        {
            var currentProgramAndSubject = dataBase.ProgramsWithSubjects
                .Include(x => x.IdWayNavigation).FirstOrDefault(x => x.Id == idSubject);
            if (currentProgramAndSubject != null)
            {
                if (currentProgramAndSubject.IdWayNavigation.Name == "Зачет")
                {
                    globalsData.GlobalUserControl = new DiffCredit(user, ref globalsData, currentProgramAndSubject, 1);
                }
                else if (currentProgramAndSubject.IdWayNavigation.Name == "Экзамен")
                {

                }
            }
        }

        public List<RunningProgram> Programs
        {
            get { return programs; }
            set
            {
                if (programs == value)
                    return;

                programs = value;
                OnPropertyChanged("Programs");
            }
        }
        public List<MyProgramsTemplate> ProgramsWithSubject
        {
            get { return programsWithSubject; }
            set
            {
                if (programsWithSubject == value)
                    return;

                programsWithSubject = value;
                OnPropertyChanged("ProgramsWithSubject");
            }
        }
    }
}