# coding=utf-8
from access.models import User
from lms.decors import api_decor
import simplejson as json
# Процесс добавления журналов через API
# Добавление проходит по
from lms.settings import SECRET_KEY
from courses.models import Course, Lesson, Homework, Exam
from journals.models import TeacherJ, LessonJ, ExamJ, HomeworkJ


def new_index(map, model, key, obj):
    if str(key) in map[model]:
        return obj.objects.get(id=map[model][str(key)])
    return None


@api_decor(without_auth=False, need_keys=['id', 'type'], method='POST', check_request=True)
def check_materials_access(request, context):
    return context


@api_decor(without_auth=True,
           need_keys=['student', 'lesson', 'status', 'start_date', 'f_date', 'lesson_old_id', 'student_old_id'])
def open_lj(request, context):
    _fixture = json.load(open('../migrate/fixtures/pk_maps.json'))
    if request.POST['token'] == SECRET_KEY:
        l = new_index(_fixture, 'courses.lesson', request.POST['lesson'], Lesson) if request.POST[
            'lesson_old_id'] else Lesson.objects.get(id=request.POST['lesson'])
        s = new_index(_fixture, 'access.user', request.POST['student'], User) if request.POST[
            'student_old_id'] else User.objects.get(id=request.POST['student'])
        lj = LessonJ.objects.get_or_create(material=l, student=s)
        if request.POST['status'] == 'F':
            lj.saw_this()
            lj.f_date = request.POST['f_date']
            lj.date = request.POST['start_date']
        elif request.POST['status'] == 'A':
            lj.open_material()
            lj.date = request.POST['start_date']
        elif request.POST['status'] == 'N':
            lj.date = None
            lj.f_date = None
            lj.success = False
        lj.save()
    return context


@api_decor(without_auth=True,
           need_keys=['student', 'homework', 'status', 'start_date', 'f_date', 'token', 'comments', 'student_old_id',
                      'homework_old_id'])
def set_ht(request, context):
    # Добавить попытку и все ее комментарии
    _fixture = json.load(open('../migrate/fixtures/pk_maps.json'))
    if request.POST['token'] == SECRET_KEY:
        t = new_index(_fixture, 'access.user', request.POST['teacher'], User) if request.POST[
            'teacher_old_id'] else User.objects.get(id=request.POST['teaceher'])
        s = new_index(_fixture, 'access.user', request.POST['student'], User) if request.POST[
            'student_old_id'] else User.objects.get(id=request.POST['student'])
        c = new_index(_fixture, 'courses.course', request.POST['course'], Course) if request.POST[
            'course_old_id'] else Course.objects.get(id=request.POST['course'])
        tj = TeacherJ.objects.get_or_create(student=s, course=c)
        tj.teacher = t
        tj.save()
    return context


@api_decor(without_auth=True,
           need_keys=['token', 'teacher', 'teacher_old_id', 'student', 'student_old_id', 'course', 'course_old_id'])
def set_teacher(request, context):
    _fixture = json.load(open('../migrate/fixtures/pk_maps.json'))
    if request.POST['token'] == SECRET_KEY:
        t = new_index(_fixture, 'access.user', request.POST['teacher'], User) if request.POST[
            'teacher_old_id'] else User.objects.get(id=request.POST['teaceher'])
        s = new_index(_fixture, 'access.user', request.POST['student'], User) if request.POST[
            'student_old_id'] else User.objects.get(id=request.POST['student'])
        c = new_index(_fixture, 'courses.course', request.POST['course'], Course) if request.POST[
            'course_old_id'] else Course.objects.get(id=request.POST['course'])
        tj = TeacherJ.objects.get_or_create(student=s, course=c)
        tj.teacher = t
        tj.save()
    return context


@api_decor(without_auth=True, need_keys=['id', 'type'], method='GET', check_request=True)
def check_jaccess(request, context):
    if request.user.is_authenticated():
        if request.user.is_admin:
            context['code'] = '1'
            return context

        context['code'] = '0'
        _type = request.GET['type']
        journal = None
        if _type == 'lesson':
            journal = LessonJ.objects.filter(material=Lesson.objects.get(id=request.GET['id']), student=request.user)
        if _type == 'homework':
            journal = HomeworkJ.objects.filter(material=Homework.objects.get(id=request.GET['id']), student=request.user)
        if _type == 'exam':
            journal = ExamJ.objects.filter(material=Exam.objects.get(id=request.GET['id']), student=request.user)

        if journal and journal.exists():
            if request.user in journal[0].material.course.teachers.all():
                context['code'] = '1'
                return context

            _before = journal.first().get_before()
            if journal.first().get_status_flag() != 'N':
                context['code'] = '1'
            elif journal.first().get_status_flag() == 'N':
                if _before['journal'].get_status_flag() == 'F':
                    journal.first().open_material()

    return context


@api_decor(without_auth=False, need_keys=['id'], method='GET', check_request=True)
def check_exists_jhomework(request, context):
    try:
        HomeworkJ.objects.get(id=request.GET['id'], f_date=None)
    except HomeworkJ.DoesNotExist:
        context['code'] = '0'
    else:
        context['code'] = '1'
    return context


@api_decor(without_auth=False, need_keys=['id'], method='GET', check_request=True)
def check_exists_jexam(request, context):
    try:
        ExamJ.objects.get(id=request.GET['id'], f_date=None)
    except ExamJ.DoesNotExist:
        context['code'] = '0'
    else:
        context['code'] = '1'
    return context


@api_decor(without_auth=True, need_keys=['id', 'type'], method='GET', check_request=True)
def check_block(request, context):
    if request.user.is_authenticated():
        context['code'] = '0'
        _type = request.GET['type']
        journal = None
        if _type == 'lesson':
            journal = LessonJ.objects.filter(material=Lesson.objects.get(id=request.GET['id']), student=request.user)
        if _type == 'homework':
            journal = HomeworkJ.objects.filter(material=Homework.objects.get(id=request.GET['id']), student=request.user)
        if _type == 'exam':
            journal = ExamJ.objects.filter(material=Exam.objects.get(id=request.GET['id']), student=request.user)

        if journal and journal.exists():
            context['code'] = '0' if journal.first().material.theme.empty else '1'

    return context