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

class EducationTransportAttendance(models.Model):
    _name = 'education.transport.attendance'
    _description = 'Transport Attendance'
    _inherit = ['mail.thread', 'mail.activity.mixin']

    trip_id = fields.Many2one('education.transport.trip', string='Trip', required=True, ondelete='cascade', tracking=True)
    student_id = fields.Many2one('education.student', string='Student', required=True, tracking=True)
    stop_id = fields.Many2one('education.transport.stop', string='Stop', tracking=True)
    
    boarding_time = fields.Datetime(string='Boarding Time', tracking=True)
    drop_time = fields.Datetime(string='Drop Time', tracking=True)
    
    status = fields.Selection([
        ('boarded', 'Boarded'),
        ('absent', 'Absent'),
        ('dropped', 'Dropped'),
        ('missed', 'Missed')
    ], string='Status', required=True, tracking=True)
    
    notes = fields.Text(string='Notes')
    
    company_id = fields.Many2one('res.company', string='Company', required=True, default=lambda self: self.env.company)

    @api.constrains('student_id', 'trip_id')
    def _check_student_assignment(self):
        for rec in self:
            if rec.student_id and rec.trip_id:
                if self.search_count([('student_id', '=', rec.student_id.id), ('trip_id', '=', rec.trip_id.id), ('id', '!=', rec.id)]):
                    raise ValidationError('A student can only have one attendance record per trip!')
                assignment = self.env['education.transport.assignment'].search([
                    ('student_id', '=', rec.student_id.id),
                    ('route_id', '=', rec.trip_id.route_id.id),
                    ('status', '=', 'active')
                ])
                if not assignment:
                    raise ValidationError('Student does not have an active assignment for this route!')