# -*- coding: utf-8 -*-
##############################################################################
#
#    This module uses OpenERP, Open Source Management Solution Framework.
#    Copyright (C) 2012-Today Serpent Consulting Services.
#    (<http://www.serpentcs.com>)
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU 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 General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>
#
##############################################################################

from openerp import models, fields, api, _


class IrModelFields(models.Model):
    _inherit = 'ir.model.fields'

    # If we keep @api.v7, we have to add @api.v8 code too.
    @api.returns('self')
    def search(
            self, cr, uid, args, offset=0, limit=0, order=None, context=None,
            count=False):
        model_domain = []
        for domain in args:
            if (len(domain) > 2 and
                    domain[0] == 'model_id' and
                    isinstance(domain[2], basestring)):
                model_domain += [
                    ('model_id', 'in', map(int, domain[2][1:-1].split(',')))
                ]
            else:
                model_domain.append(domain)
        return super(IrModelFields, self).search(
            cr, uid, model_domain, offset=offset, limit=limit, order=order,
            context=context, count=count
        )


class MassObject(models.Model):
    _name = "mass.object"

    name = fields.Char(string="Name", required=True, select=1)
    model_id = fields.Many2one('ir.model', string='Model', required=True,
                               help="Model is used for Selecting Fields."
                               "This is editable until Sidebar menu is not"
                               " created")
    field_ids = fields.Many2many('ir.model.fields', 'mass_field_rel',
                                 'mass_id', 'field_id', string='Fields')
    ref_ir_act_window = fields.Many2one('ir.actions.act_window',
                                        string='Sidebar action',
                                        readonly=True,
                                        help="Sidebar action to make this "
                                            "template available on records of"
                                            "the related document model")
    ref_ir_value = fields.Many2one('ir.values', string='Sidebar button',
                                   readonly=True,
                                   help="Sidebar button to open"
                                        "the sidebar action")

    model_list = fields.Char(string='Model List', size=256)

    _sql_constraints = [
        ('name_uniq', 'unique (name)', _('Name must be unique!')), ]

    @api.multi
    @api.onchange('model_id')
    def onchange_model(self):
        self.field_ids = [(6, 0, [])]
        model_list = []
        if self.model_id:
            model_obj = self.env['ir.model']
            model_list = [self.model_id.id]
            active_model_obj = self.env[self.model_id.model]
            if active_model_obj._inherits:
                for key, val in active_model_obj._inherits.items():
                    inherits_model_list = model_obj.search(
                                            [('model', '=', key)])
                    model_list.extend((inherits_model_list and \
                                       inherits_model_list.ids or []))
        self.model_list = model_list

    @api.multi
    def create_action(self):
        vals = {}
        action_obj = self.env['ir.actions.act_window']
        src_obj = self.model_id.model
        button_name = _('Mass Editing (%s)') % self.name
        vals['ref_ir_act_window'] = action_obj.create({
                 'name': button_name,
                 'type': 'ir.actions.act_window',
                 'res_model': 'mass.editing.wizard',
                 'src_model': src_obj,
                 'view_type': 'form',
                 'context': "{'mass_editing_object' : %d}" % (self.id),
                 'view_mode': 'form, tree',
                 'target': 'new',
                 'auto_refresh': 1
            }).id

        vals['ref_ir_value'] = self.env['ir.values'].create({
         'name': button_name,
         'model': src_obj,
         'key2': 'client_action_multi',
         'value': "ir.actions.act_window," + str(vals['ref_ir_act_window']),
         'object': True,
         }).id

        self.write(vals)
        return True

    @api.one
    def unlink_action(self):
        if self.ref_ir_act_window:
            self.ref_ir_act_window.unlink()
        if self.ref_ir_value:
            self.ref_ir_value.unlink()

    @api.one
    def unlink(self):
        self.unlink_action()
        return super(MassObject, self).unlink()

    @api.multi
    def copy(self, default):
        if default is None:
            default = {}
        default.update({'name': _("%s (copy)" % self.name), 'field_ids': []})
        return super(MassObject, self).copy(default)


class IrModuleModule(models.Model):

    _inherit = 'ir.module.module'

    @api.multi
    def module_uninstall(self):
        # search window actions of mass editing  and delete it
        if self.name == 'mass_editing':
            values_obj = self.env['ir.values']
            actions = self.env['ir.actions.act_window'].search(
                                   [('res_model', '=', 'mass.editing.wizard')])
            for action in actions:
                values_obj.search(
                      [('value', '=', 'ir.actions.act_window,%s' % action.id)]
                                 ).unlink()
            actions.unlink()
        return super(IrModuleModule, self).module_uninstall()