# -*- coding: utf-8 -*-

#    Copyright 2017 Fabien Bourgeois <fabien@yaltik.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.


""" CRM Lead adaptations """

from odoo import models, fields, api


class CrmLead(models.Model):
    """ CRM Lead adaptations """
    _inherit = 'crm.lead'

    action_count = fields.Char(compute='_compute_action_count')
    action_ids = fields.One2many('crm.action', 'lead_id', string='Actions')
    next_action_id = fields.Many2one('crm.action', string='Next Action',
                                     compute='_compute_next_action', store=True)
    next_action_date = fields.Datetime(related='next_action_id.date', store=True)
    next_action_title = fields.Char(related='next_action_id.display_name', store=True)

    @api.multi
    def _compute_action_count(self):
        """ Count actions """
        for lead in self:
            action_count = len(lead.action_ids)
            draft_count = len(lead.action_ids.filtered(
                lambda self: self.state == 'draft'))
            lead.action_count = u'{} / {}'.format(draft_count, action_count)

    @api.depends('action_ids.date', 'action_ids.display_name', 'action_ids.state')
    def _compute_next_action(self):
        """ Computes next action """
        for lead in self:
            domain = ['&', ('lead_id', '=', lead.id), ('state', '=', 'draft')]
            action = self.env['crm.action'].search(domain, order='date', limit=1)
            lead.next_action_id = action or False

    @api.multi
    def next_action_done(self):
        """ Mark next action as done """
        self.ensure_one()
        lead = self[0]
        if lead.next_action_id:
            lead.next_action_id.set_to_done()