# Copyright 2015 Pedro M. Baeza <pedro.baeza@tecnativa.com>
# Copyright 2015 Antonio Espinosa <antonio.espinosa@tecnativa.com>
# Copyright 2015 Javier Iniesta <javieria@antiun.com>
# Copyright 2017 David Vidal <david.vidal@tecnativa.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo import _, api, fields, models
from odoo.exceptions import ValidationError


class ResPartner(models.Model):
    _inherit = 'res.partner'

    mass_mailing_contact_ids = fields.One2many(
        string="Mailing contacts",
        comodel_name='mail.mass_mailing.contact',
        inverse_name='partner_id')
    mass_mailing_contacts_count = fields.Integer(
        string='Mailing contacts number',
        compute='_compute_mass_mailing_contacts_count',
        store=True,
        compute_sudo=True)
    mass_mailing_stats_ids = fields.One2many(
        string="Mass mailing stats",
        comodel_name='mail.mail.statistics',
        inverse_name='partner_id')
    mass_mailing_stats_count = fields.Integer(
        string='Mass mailing stats number',
        compute='_compute_mass_mailing_stats_count',
        store=True)

    @api.constrains('email')
    def _check_email_mass_mailing_contacts(self):
        for partner in self:
            if not partner.email and self.sudo().mass_mailing_contact_ids:
                raise ValidationError(_(
                    "This partner '%s' is linked to one or more mass "
                    "mailing contact. Email must be assigned."
                ) % partner.name)

    @api.depends('mass_mailing_contact_ids')
    def _compute_mass_mailing_contacts_count(self):
        contact_data = self.env['mail.mass_mailing.contact'].read_group(
            [('partner_id', 'in', self.ids)], ['partner_id'], ['partner_id'])
        mapped_data = dict(
            [(contact['partner_id'][0], contact['partner_id_count'])
             for contact in contact_data])
        for partner in self:
            partner.mass_mailing_contacts_count = mapped_data.get(partner.id,
                                                                  0)

    @api.depends('mass_mailing_stats_ids')
    def _compute_mass_mailing_stats_count(self):
        contact_data = self.env['mail.mail.statistics'].read_group(
            [('partner_id', 'in', self.ids)], ['partner_id'], ['partner_id'])
        mapped_data = dict(
            [(contact['partner_id'][0], contact['partner_id_count'])
             for contact in contact_data])
        for partner in self:
            partner.mass_mailing_stats_count = mapped_data.get(partner.id, 0)

    def write(self, vals):
        res = super(ResPartner, self).write(vals)
        mm_vals = {}
        if vals.get('name'):
            mm_vals['name'] = vals['name']
        if vals.get('email'):
            mm_vals['email'] = vals['email']
        if vals.get('title'):
            mm_vals['title_id'] = vals['title']
        if vals.get('company_id'):
            company = self.env['res.company'].browse(vals.get('company_id'))
            mm_vals['company_name'] = company.name
        if vals.get('country_id'):
            mm_vals['country_id'] = vals['country_id']
        if vals.get('category_id'):
            mm_vals['tag_ids'] = vals['category_id']
        if mm_vals:
            # Using sudo because ACLs shouldn't produce data inconsistency
            self.env["mail.mass_mailing.contact"].sudo().search([
                ("partner_id", "in", self.ids),
            ]).write(mm_vals)
        return res