# -*- coding: ascii -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

import logging
from itertools import groupby

from odoo import api, fields, models
from odoo import tools
from odoo.addons.http_routing.models.ir_http import url_for
from odoo.http import request
from odoo.tools import pycompat

_logger = logging.getLogger(__name__)


class View(models.Model):

    _name = "ir.ui.view"
    _inherit = ["ir.ui.view", "website.seo.metadata"]

    customize_show = fields.Boolean("Show As Optional Inherit", default=False)
    website_id = fields.Many2one('website', ondelete='cascade', string="Website")
    page_ids = fields.One2many('website.page', compute='_compute_page_ids', store=False)
    first_page_id = fields.Many2one('website.page', string='Website Page', help='First page linked to this view', compute='_compute_first_page_id')

    @api.one
    def _compute_first_page_id(self):
        self.first_page_id = self.env['website.page'].search([('view_id', '=', self.id)], limit=1)

    @api.one
    def _compute_page_ids(self):
        self.page_ids = self.env['website.page'].search(
            [('view_id', '=', self.id)]
        )

    @api.multi
    def unlink(self):
        result = super(View, self).unlink()
        self.clear_caches()
        return result

    @api.multi
    def _sort_suitability_key(self):
        """ Key function to sort views by descending suitability
            Suitability of a view is defined as follow:
                * if the view and request website_id are matched
                * then if the view has no set website
        """
        self.ensure_one()
        context_website_id = self.env.context.get('website_id', 1)
        website_id = self.website_id.id or 0
        different_website = context_website_id != website_id
        return (different_website, website_id)

    def filter_duplicate(self):
        """ Filter current recordset only keeping the most suitable view per distinct key """
        filtered = self.env['ir.ui.view']
        for dummy, group in groupby(self, key=lambda record: record.key):
            filtered += sorted(group, key=lambda record: record._sort_suitability_key())[0]
        return filtered

    @api.model
    def _view_obj(self, view_id):
        if isinstance(view_id, pycompat.string_types):
            if 'website_id' in self._context:
                domain = [('key', '=', view_id), '|', ('website_id', '=', False), ('website_id', '=', self._context.get('website_id'))]
                order = 'website_id'
            else:
                domain = [('key', '=', view_id)]
                order = self._order
            views = self.search(domain, order=order)
            if views:
                return views.filter_duplicate()
            else:
                return self.env.ref(view_id)
        elif isinstance(view_id, pycompat.integer_types):
            return self.browse(view_id)

        # assume it's already a view object (WTF?)
        return view_id

    @api.model
    def _get_inheriting_views_arch_domain(self, view_id, model):
        domain = super(View, self)._get_inheriting_views_arch_domain(view_id, model)
        return ['|', ('website_id', '=', False), ('website_id', '=', self.env.context.get('website_id'))] + domain

    @api.model
    @tools.ormcache_context('self._uid', 'xml_id', keys=('website_id',))
    def get_view_id(self, xml_id):
        if 'website_id' in self._context and not isinstance(xml_id, pycompat.integer_types):
            domain = [('key', '=', xml_id), '|', ('website_id', '=', self._context['website_id']), ('website_id', '=', False)]
            view = self.search(domain, order='website_id', limit=1)
            if not view:
                _logger.warning("Could not find view object with xml_id '%s'", xml_id)
                raise ValueError('View %r in website %r not found' % (xml_id, self._context['website_id']))
            return view.id
        return super(View, self).get_view_id(xml_id)

    @api.multi
    def render(self, values=None, engine='ir.qweb', minimal_qcontext=False):
        """ Render the template. If website is enabled on request, then extend rendering context with website values. """
        new_context = dict(self._context)
        if request and getattr(request, 'is_frontend', False):

            editable = request.website.is_publisher()
            translatable = editable and self._context.get('lang') != request.website.default_lang_code
            editable = not translatable and editable

            # in edit mode ir.ui.view will tag nodes
            if not translatable and not self.env.context.get('rendering_bundle'):
                if editable:
                    new_context = dict(self._context, inherit_branding=True)
                elif request.env.user.has_group('website.group_website_publisher'):
                    new_context = dict(self._context, inherit_branding_auto=True)

        if self._context != new_context:
            self = self.with_context(new_context)
        return super(View, self).render(values, engine=engine, minimal_qcontext=minimal_qcontext)

    @api.model
    def _prepare_qcontext(self):
        """ Returns the qcontext : rendering context with website specific value (required
            to render website layout template)
        """
        qcontext = super(View, self)._prepare_qcontext()

        if request and getattr(request, 'is_frontend', False):
            editable = request.website.is_publisher()
            translatable = editable and self._context.get('lang') != request.env['ir.http']._get_default_lang().code
            editable = not translatable and editable

            if 'main_object' not in qcontext:
                qcontext['main_object'] = self

            qcontext.update(dict(
                self._context.copy(),
                website=request.website,
                url_for=url_for,
                res_company=request.website.company_id.sudo(),
                default_lang_code=request.env['ir.http']._get_default_lang().code,
                languages=request.env['ir.http']._get_language_codes(),
                translatable=translatable,
                editable=editable,
                menu_data=self.env['ir.ui.menu'].load_menus_root() if request.website.is_user() else None,
            ))

        return qcontext

    @api.model
    def get_default_lang_code(self):
        website_id = self.env.context.get('website_id')
        if website_id:
            lang_code = self.env['website'].browse(website_id).default_lang_code
            return lang_code
        else:
            return super(View, self).get_default_lang_code()

    @api.multi
    def redirect_to_page_manager(self):
        return {
            'type': 'ir.actions.act_url',
            'url': '/website/pages',
            'target': 'self',
        }
