# -*- coding: utf-8 -*-
import base64
import json
import logging
import urllib
import cStringIO

from PIL import Image, ImageOps

import openerp
from openerp.addons.web import http
from openerp.addons.web.controllers.main import manifest_list
from openerp.addons.web.http import request
import werkzeug
import werkzeug.exceptions
import werkzeug.wrappers

logger = logging.getLogger(__name__)

def template_values():
    script = "\n".join(['<script type="text/javascript" src="%s"></script>' % i for i in manifest_list('js', db=request.db)])
    css = "\n".join('<link rel="stylesheet" href="%s">' % i for i in manifest_list('css', db=request.db))
    try:
        request.session.check_security()
        loggued = True
        uid = request.session._uid
    except http.SessionExpiredException:
        loggued = False
        uid = openerp.SUPERUSER_ID

    values = {
        'loggued': loggued,
        'editable': loggued,
        'request': request,
        'registry': request.registry,
        'cr': request.cr,
        'uid': uid,
        'script': script,
        'css': css,
        'host_url': request.httprequest.host_url,
    }
    return values

class Website(openerp.addons.web.controllers.main.Home):
    @http.route('/', type='http', auth="admin")
    def index(self, **kw):
        return self.page("website.homepage")

    @http.route('/admin', type='http', auth="none")
    def admin(self, *args, **kw):
        return super(Website, self).index(*args, **kw)

    @http.route('/pagenew/<path:path>', type='http', auth="admin")
    def pagenew(self, path):
        values = template_values()
        uid = values['uid']
        imd = request.registry['ir.model.data']
        view = request.registry['ir.ui.view']
        view_model, view_id = imd.get_object_reference(request.cr, uid, 'website', 'default_page')
        newview_id = view.copy(request.cr, uid, view_id)
        newview = view.browse(request.cr, uid, newview_id, context={})
        newview.write({
            'arch': newview.arch.replace("website.default_page", path),
            'name': "page/%s" % path
        })
        if '.' in path:
            module, idname = path.split('.')
        else:
            module = False
            idname = path
        imd.create(request.cr, uid, {
            'name': idname,
            'module': module,
            'model': 'ir.ui.view',
            'res_id': newview_id,
            'noupdate': True
        })
        return werkzeug.utils.redirect("/page/%s" % path)

    @http.route('/page/<path:path>', type='http', auth="admin")
    def page(self, path):
        #def get_html_head():
        #    head += ['<link rel="stylesheet" href="%s">' % i for i in manifest_list('css', db=request.db)]
        #modules = request.registry.get("ir.module.module").search_read(request.cr, openerp.SUPERUSER_ID, fields=['id', 'shortdesc', 'summary', 'icon_image'], limit=50)
        values = template_values()
        uid = values['uid']
        context = {
            'inherit_branding': values['editable'],
        }
        company = request.registry['res.company'].browse(request.cr, uid, 1, context=context)
        values.update(
            res_company=company,
            path=path,
            google_map_url="http://maps.googleapis.com/maps/api/staticmap?" + urllib.urlencode({
                'center': '%s, %s %s, %s' % (company.street, company.city, company.zip, company.country_id and company.country_id.name_get()[0][1] or ''),
                'sensor': 'false',
                'zoom': '8',
                'size': '298x298',
            }),
        )
        try:
            html = request.registry.get("ir.ui.view").render(request.cr, uid, path, values, context)
        except ValueError, e:
            html = request.registry.get("ir.ui.view").render(request.cr, uid, 'website.404', values, context)
        return html

    @http.route('/website/attach', type='http', auth='admin') # FIXME: auth
    def attach(self, CKEditorFuncNum, CKEditor, langCode, upload):
        req = request.httprequest
        if req.method != 'POST':
            return werkzeug.exceptions.MethodNotAllowed(valid_methods=['POST'])

        url = message = None
        try:
            attachment_id = request.registry['ir.attachment'].create(request.cr, request.uid, {
                'name': upload.filename,
                'datas': base64.encodestring(upload.read()),
                'datas_fname': upload.filename,
                'res_model': 'ir.ui.view',
            }, request.context)
            # FIXME: auth=user... no good.
            url = '/website/attachment/%d' % attachment_id
        except Exception, e:
            logger.exception("Failed to upload image to attachment")
            message = str(e)

        return """<script type='text/javascript'>
            window.parent.CKEDITOR.tools.callFunction(%d, %s, %s);
        </script>""" % (int(CKEditorFuncNum), json.dumps(url), json.dumps(message))

    @http.route('/website/attachment/<int:id>', type='http', auth="admin")
    def attachment(self, id):
        # FIXME: can't use Binary.image because auth=user and website attachments need to be public
        attachment = request.registry['ir.attachment'].browse(
            request.cr, request.uid, id, request.context)

        buf = cStringIO.StringIO(base64.decodestring(attachment.datas))

        image = Image.open(buf)
        image.thumbnail((1024, 768), Image.ANTIALIAS)

        response = werkzeug.wrappers.Response(status=200, mimetype={
            'PNG': 'image/png',
            'JPEG': 'image/jpeg',
            'GIF': 'image/gif',
        }[image.format])
        image.save(response.stream, image.format)

        return response

# vim:expandtab:tabstop=4:softtabstop=4:shiftwidth=4: