from odoo.tests.common import TransactionCase, tagged


@tagged('post_install', '-at_install')
class TestSchoolAttendance(TransactionCase):

    def setUp(self):
        super().setUp()
        self.term = self.env['community.school.term'].create({
            'name': 'Fall 2030', 'start_date': '2030-09-01', 'end_date': '2030-12-15',
        })
        self.level = self.env['community.school.level'].create({'name': 'Beginner', 'code': 'ATT-BEG'})
        self.klass = self.env['community.school.class'].create({
            'level_id': self.level.id, 'term_id': self.term.id,
        })
        self.parent = self.env['res.partner'].create({'name': 'Attendance Parent', 'email': 'parent@example.com'})
        self.child = self.env['res.partner'].create({'name': 'Attendance Child'})
        self.student = self.env['community.school.student'].create({
            'partner_id': self.child.id, 'parent_partner_id': self.parent.id,
        })
        self.enrollment = self.env['community.school.enrollment'].create({
            'student_id': self.student.id, 'class_id': self.klass.id,
        })

    def test_absence_queues_mail_to_parent(self):
        mail_count_before = self.env['mail.mail'].search_count([])
        attendance = self.env['community.school.attendance'].create({
            'enrollment_id': self.enrollment.id, 'date': '2030-09-08', 'state': 'absent',
        })
        attendance._send_absence_notice()
        mail_count_after = self.env['mail.mail'].search_count([])
        self.assertGreater(mail_count_after, mail_count_before)

    def test_present_attendance_does_not_require_notice(self):
        attendance = self.env['community.school.attendance'].create({
            'enrollment_id': self.enrollment.id, 'date': '2030-09-08', 'state': 'present',
        })
        self.assertEqual(attendance.state, 'present')

    def test_at_risk_flag(self):
        self.env['ir.config_parameter'].sudo().set_param('community_school.at_risk_attendance_threshold', '70')
        for i, state in enumerate(['absent', 'absent', 'present']):
            self.env['community.school.attendance'].create({
                'enrollment_id': self.enrollment.id, 'date': f'2030-09-0{i + 1}', 'state': state,
            })
        self.assertTrue(self.enrollment.is_at_risk, "1/3 present should be below a 70% threshold")

    def test_unique_attendance_per_enrollment_and_date(self):
        self.env['community.school.attendance'].create({
            'enrollment_id': self.enrollment.id, 'date': '2030-09-08', 'state': 'present',
        })
        with self.assertRaises(Exception):
            self.env['community.school.attendance'].create({
                'enrollment_id': self.enrollment.id, 'date': '2030-09-08', 'state': 'absent',
            })