# Copyright 2016-17 Eficent Business and IT Consulting Services S.L.
#   (http://www.eficent.com)
# Copyright 2016 Serpent Consulting Services Pvt. Ltd.
#   (<http://www.serpentcs.com>)
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).

from odoo import _, api, fields, models
from lxml import etree
from odoo.osv import expression
from odoo.osv.orm import setup_modifiers


class MailThread(models.AbstractModel):

    _inherit = 'mail.thread'

    def _search_message_content(self, operator, value):

        model_domain = [('model', '=', self._name)]
        if operator not in expression.NEGATIVE_TERM_OPERATORS:
            model_domain += ["|"] * 4
        model_domain += [
            ('record_name', operator, value),
            ('subject', operator, value),
            ('body', operator, value),
            ('email_from', operator, value),
            ('reply_to', operator, value)
        ]
        recs = self.env['mail.message'].search(model_domain)
        return [('id', 'in', recs.mapped('res_id'))]

    message_content = fields.Text(
        string='Message Content',
        help='Message content, to be used only in searches',
        compute=lambda self: False,
        search='_search_message_content')

    @api.model
    def fields_view_get(self, view_id=None, view_type='form', toolbar=False,
                        submenu=False):
        """
        Override to add message_content field in all the objects
        that inherits mail.thread
        """
        res = super(MailThread, self).fields_view_get(
            view_id=view_id, view_type=view_type, toolbar=toolbar,
            submenu=submenu)
        if view_type == 'search' and self._fields.get('message_content'):
            doc = etree.XML(res['arch'])
            res['fields'].update({
                'message_content': {
                    'type': 'char',
                    'string': _('Message Content'),
                }
            })

            for node in doc.xpath("//field[last()]"):
                # Add message_content in search view
                elem = etree.Element(
                    'field',
                    {
                        'name': 'message_content',
                    })
                setup_modifiers(elem)
                node.addnext(elem)
                res['arch'] = etree.tostring(doc)
        return res