# Copyright 2018-Today datenpol gmbh(<http://www.datenpol.at>)
# License OPL-1 or later (https://www.odoo.com/documentation/user/11.0/legal/licenses/licenses.html#licenses).

import datetime
import json
import logging
import os
import sys

import jinja2
import werkzeug
from odoo.addons.web.controllers.main import DBNAME_PATTERN, db_monodb, Database

import odoo
from odoo import http
from odoo.http import content_disposition

_logger = logging.getLogger(__name__)

if hasattr(sys, 'frozen'):
    # When running on compiled windows binary, we don't have access to package loader.
    path = os.path.realpath(os.path.join(os.path.dirname(__file__), '..', 'views'))
    loader = jinja2.FileSystemLoader(path)
else:
    loader = jinja2.PackageLoader('odoo.addons.dp_dump_anonym', "views")

env = jinja2.Environment(loader=loader, autoescape=True)
env.filters["json"] = json.dumps


class DatabaseExtended(Database):
    def _render_template(self, **d):
        d.setdefault('manage', True)
        d['insecure'] = odoo.tools.config.verify_admin_password('admin')
        d['list_db'] = odoo.tools.config['list_db']
        d['langs'] = odoo.service.db.exp_list_lang()
        d['countries'] = odoo.service.db.exp_list_countries()
        d['pattern'] = DBNAME_PATTERN
        # databases list
        d['databases'] = []
        try:
            d['databases'] = http.db_list()
            d['incompatible_databases'] = odoo.service.db.list_db_incompatible(d['databases'])
        except odoo.exceptions.AccessDenied:
            monodb = db_monodb()
            if monodb:
                d['databases'] = [monodb]
        return env.get_template("database_manager.html").render(d)

    @http.route('/web/database/backup', type='http', auth="none", methods=['POST'], csrf=False)
    def backup(self, master_pwd, name, backup_format='zip', raw=False):
        try:
            odoo.service.db.check_super(master_pwd)
            ts = datetime.datetime.utcnow().strftime("%Y-%m-%d_%H-%M-%S")
            filename = "%s_%s.%s" % (name, ts, backup_format)
            headers = [
                ('Content-Type', 'application/octet-stream; charset=binary'),
                ('Content-Disposition', content_disposition(filename)),
            ]
            dump_stream = odoo.service.db.dump_db(name, None, backup_format, raw)
            response = werkzeug.wrappers.Response(dump_stream, headers=headers, direct_passthrough=True)
            return response
        except Exception as e:
            _logger.exception('Database.backup')
            error = "Database backup error: %s" % (str(e) or repr(e))
            return self._render_template(error=error)