# Copyright 2018 Eficent Business and IT Consulting Services, S.L.
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from odoo import api, fields, models


class MailActivityTeam(models.Model):
    _name = "mail.activity.team"
    _description = 'Mail Activity Team'

    @api.depends('res_model_ids', 'member_ids')
    def _compute_missing_activities(self):
        activity_model = self.env['mail.activity']
        for team in self:
            domain = [('team_id', '=', False)]
            if team.member_ids:
                domain.append(('user_id', 'in', team.member_ids.ids))
            if team.res_model_ids:
                domain.append(('res_model_id', 'in', team.res_model_ids.ids))
            team.count_missing_activities = activity_model.search(
                domain, count=True)

    name = fields.Char(
        string='Name',
        required=True,
        translate=True,
    )
    active = fields.Boolean(
        string='Active',
        default=True,
    )
    res_model_ids = fields.Many2many(
        comodel_name='ir.model',
        string='Used models',
        domain=lambda self: [
            ('model', 'in',
             [k for k in self.env.registry if issubclass(
                 type(self.env[k]), type(self.env['mail.activity.mixin']))
              and self.env[k]._auto])
        ],
    )
    member_ids = fields.Many2many(
        comodel_name='res.users',
        relation='mail_activity_team_users_rel',
        string="Team Members",
    )
    user_id = fields.Many2one(
        comodel_name='res.users',
        string='Team Leader',
    )
    count_missing_activities = fields.Integer(
        string="Missing Activities",
        compute='_compute_missing_activities',
        default=0,
    )

    @api.onchange('member_ids')
    def _onchange_member_ids(self):
        if self.user_id and self.user_id not in self.member_ids:
            self.user_id = False

    @api.onchange('user_id')
    def _onchange_user_id(self):
        if self.user_id and self.user_id not in self.member_ids:
            members_ids = self.member_ids.ids
            members_ids.append(self.user_id.id)
            self.member_ids = [(4, member) for member in members_ids]

    def assign_team_to_unassigned_activities(self):
        activity_model = self.env['mail.activity']
        for team in self:
            domain = [('team_id', '=', False)]
            if team.member_ids:
                domain.append(('user_id', 'in', team.member_ids.ids))
            if team.res_model_ids:
                domain.append(('res_model_id', 'in', team.res_model_ids.ids))
            missing_activities = activity_model.search(domain)
            for missing_activity in missing_activities:
                missing_activity.write({'team_id': team.id})