from odoo import models, fields, api
from odoo.exceptions import UserError

class PushNotificationWizard(models.TransientModel):
    _name = 'mapan.push.wizard'
    _description = 'Send Mobile App Notification'

    title = fields.Char(string='Notification Title', required=True)
    body = fields.Text(string='Notification Body', required=True)
    recipient_type = fields.Selection([
        ('all', 'All Activated Members'),
        ('specific', 'Specific Members')
    ], string='Send To', default='all', required=True)
    partner_ids = fields.Many2many(
        'res.partner', 
        string='Recipients',
        domain=[('user_ids.share', '=', True), ('user_ids.active', '=', True)],
    )

    def action_send_push(self):
        if self.recipient_type == 'specific' and not self.partner_ids:
            raise UserError('Please select at least one recipient, or switch to "All Activated Members".')

        if self.recipient_type == 'all':
            # Leave partner_ids empty → is_global=True → visible to all app users
            self.env['mapan.app.notification'].create({
                'title': self.title,
                'body': self.body,
            })
            target_msg = 'all activated app members'
        else:
            # Specific recipients only
            self.env['mapan.app.notification'].create({
                'title': self.title,
                'body': self.body,
                'partner_ids': [(6, 0, self.partner_ids.ids)],
            })
            target_msg = f'{len(self.partner_ids)} selected member(s)'

        return {
            'type': 'ir.actions.client',
            'tag': 'display_notification',
            'params': {
                'title': 'Notification Sent',
                'message': f'Notification staged for {target_msg}.',
                'type': 'success',
                'sticky': False,
            }
        }