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


class EducationHostelVisitor(models.Model):
    _name = 'education.hostel.visitor'
    _description = 'Hostel Visitor Log'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _order = 'visit_date desc, id desc'

    name = fields.Char(
        string='Reference',
        required=True,
        copy=False,
        readonly=True,
        default=lambda self: self.env['ir.sequence'].next_by_code('education.hostel.visitor'),
        index=True,
    )
    student_id = fields.Many2one(
        'education.student',
        string='Student (Host)',
        required=True,
        ondelete='restrict',
        index=True,
        tracking=True,
    )
    hostel_id = fields.Many2one(
        'education.hostel',
        string='Hostel',
        required=True,
        ondelete='restrict',
        index=True,
    )
    visitor_name = fields.Char(string='Visitor Name', required=True)
    relationship = fields.Char(string='Relationship')
    phone = fields.Char(string='Visitor Phone')
    purpose = fields.Text(string='Purpose of Visit')
    visit_date = fields.Date(string='Visit Date', required=True, default=fields.Date.context_today)
    check_in = fields.Datetime(string='Check In', tracking=True)
    check_out = fields.Datetime(string='Check Out', tracking=True)
    approved_by = fields.Many2one(
        'res.users',
        string='Approved By',
        tracking=True,
        domain=[('share', '=', False)],
    )
    state = fields.Selection([
        ('pending', 'Pending'),
        ('approved', 'Approved'),
        ('checked_in', 'Checked In'),
        ('checked_out', 'Checked Out'),
        ('rejected', 'Rejected'),
    ], string='Status', default='pending', required=True, tracking=True, index=True)
    company_id = fields.Many2one(
        'res.company',
        string='Company',
        required=True,
        default=lambda self: self.env.company,
        index=True,
    )

    # ── Workflow ──────────────────────────────────────────────────────────────

    def action_approve(self):
        for rec in self:
            rec.state = 'approved'
            rec.approved_by = self.env.user

    def action_reject(self):
        self.write({'state': 'rejected'})

    def action_check_in(self):
        for rec in self:
            if rec.state != 'approved':
                raise ValidationError("Visitor must be approved before check-in.")
            rec.check_in = fields.Datetime.now()
            rec.state = 'checked_in'

    def action_check_out(self):
        for rec in self:
            if rec.state != 'checked_in':
                raise ValidationError("Visitor must be checked in before check-out.")
            rec.check_out = fields.Datetime.now()
            rec.state = 'checked_out'

    @api.constrains('check_in', 'check_out')
    def _check_times(self):
        for rec in self:
            if rec.check_in and rec.check_out and rec.check_out < rec.check_in:
                raise ValidationError('Check-out time cannot be before check-in time.')

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if not vals.get('name') or vals.get('name') == '/':
                vals['name'] = (
                    self.env['ir.sequence'].next_by_code('education.hostel.visitor') or '/'
                )
        return super().create(vals_list)