# pyrefly: ignore [missing-import]
from odoo import api, fields, models


class EducationStudent(models.Model):
    _inherit = 'education.student'

    attendance_line_ids = fields.One2many('education.attendance', 'student_id', string='Attendance History')
    attendance_pct = fields.Float(string='Attendance %', compute='_compute_attendance_metrics', store=True, index=True)
    present_count = fields.Integer(string='Present Count', compute='_compute_attendance_metrics', store=True)
    absent_count = fields.Integer(string='Absent Count', compute='_compute_attendance_metrics', store=True)
    late_count = fields.Integer(string='Late Count', compute='_compute_attendance_metrics', store=True)
    medical_leave_count = fields.Integer(string='Medical Leave Count', compute='_compute_attendance_metrics', store=True)

    @api.depends('attendance_line_ids.status', 'attendance_line_ids.active')
    def _compute_attendance_metrics(self):
        for rec in self:
            records = rec.attendance_line_ids.filtered(lambda a: a.active)
            total = len(records)
            
            p_count = len(records.filtered(lambda r: r.status in ('present', 'on_duty')))
            l_count = len(records.filtered(lambda r: r.status == 'late'))
            m_count = len(records.filtered(lambda r: r.status == 'medical_leave'))
            a_count = len(records.filtered(lambda r: r.status == 'absent'))
            
            rec.present_count = p_count
            rec.absent_count = a_count
            rec.late_count = l_count
            rec.medical_leave_count = m_count
            
            # Treat present, late, medical_leave, and on_duty as attended (positive)
            attended = p_count + l_count + m_count
            rec.attendance_pct = (attended / total * 100.0) if total > 0 else 100.0