# coding=utf-8
import os
import django
import sys

from datetime import datetime, date

sys.path.append("/var/www/projects/lms/")
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
django.setup()

from lms.tools import out_date_format
from management.letters import sent_teacher_report
from journals.models import JournalsReports, HomeworkJ, HomeworkTry, ExamJ, ExamTry

for self in JournalsReports.objects.filter(sent=False):
    if not self.sent:
        filt = {'teacher': self.teacher, 'date__gte': self.s_date}
        if self.course:
            filt['material__course'] = self.course
        if self.student:
            filt['student'] = self.student
        if self.f_date:
            filt['date__lt'] = self.f_date
        else:
            filt['date__lt'] = datetime.now()

        result = {'id': self.teacher.id,
                  'face': {'name': self.teacher.get_full_name(),
                           'ava': self.teacher.get_image_url(),
                           'last_date': self.teacher.last_login},
                  'hw': [],
                  'ew': [],
                  'counts': {},
                  's_date': out_date_format(self.s_date, no_time=True),
                  'f_date': out_date_format(self.f_date if self.f_date else date.today(), no_time=True)}
        hw_expr = 0
        hw_progress = []
        student_count = []
        ex_expr = 0
        ex_progress = []
        ex_success = 0
        for i in HomeworkJ.objects.filter(**filt).order_by('date'):
            if HomeworkTry.objects.filter(parent=i).exists():
                result['hw'].append(i.get_face(None))
                hw_expr += HomeworkTry.objects.filter(parent=i, expired=True).count()
                if i.get_status_flag() not in ['N', 'F'] and i.parent.id not in hw_progress: hw_progress.append(
                    i.id)
                if i.student.id not in student_count: student_count.append(i.student.id)

        for i in ExamJ.objects.filter(**filt).order_by('date'):
            if ExamTry.objects.filter(parent=i).exists():
                result['ew'].append(i.get_face(None))
                ex_expr += ExamTry.objects.filter(parent=i, expired=True).count()
                if i.get_status_flag() not in ['N', 'F'] and i.parent.id not in ex_progress: ex_progress.append(
                    i.id)
                if i.student.id not in student_count: student_count.append(i.student.id)
                if i.get_status_flag() == 'F':
                    ex_success += 1
        result['counts'] = {'hw_progress': len(hw_progress),
                            'hw_work': HomeworkJ.objects.filter(**filt).count(),
                            'student_count': len(student_count),
                            'hw_expr': hw_expr,
                            'ex_progress': len(ex_progress),
                            'ex_expr': ex_expr,
                            'ex_success': ex_success,
                            'ex_work': ExamJ.objects.filter(**filt).count()}
        sent_teacher_report(self.to.email, result)
        self.sent = True
        self.save()