#!/usr/bin/env python
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import argparse
import cherrypy
import json
import os
import staticdirindex


BUILD_DIRECTORY = 'out'
CONFIG_DIRECTORY = 'Debug'
SRC_ROOT = os.path.abspath(os.path.join(__file__, os.pardir, os.pardir,
    os.pardir))
SKY_ROOT = os.path.join(SRC_ROOT, 'sky')
GEN_ROOT = os.path.join(SRC_ROOT, BUILD_DIRECTORY, CONFIG_DIRECTORY, 'gen')


def skydir(section="", dir="", path="", **kwargs):
    if cherrypy.request.params.get('format') is None:
        return '<sky><import src="/sky/examples/file-browser.sky"/><file-browser/></sky>'
    result = dict()
    result['directories'] = []
    result['files'] = []
    for _, dir_names, file_names in os.walk(path.rstrip(r"\/")):
        for dir_name in sorted(dir_names):
            result["directories"].append(dir_name)

        del dir_names[:] # limit to one level

        for file_name in sorted(file_names):
            result["files"].append(file_name)
    return json.dumps(result)


def main():
    parser = argparse.ArgumentParser(description='Sky development server')
    parser.add_argument('-v', '--verbose', action='store_true',
        help='Enable logging to the console.')
    parser.add_argument('app_path', type=str)
    parser.add_argument('port', type=int)
    args = parser.parse_args()

    log_dir = os.path.abspath(os.getcwd())
    print "%s logging to access_log.txt in %s" % (
        parser.prog, log_dir)

    config = {
        'global': {
            'server.socket_port': args.port,
            'log.screen': args.verbose,
            'log.access_log': os.path.join(log_dir, 'access_log.txt'),
            # This causes some strange python exception??
            # 'log.error_log': os.path.join(log_dir, 'error_log.txt'),
        },
        '/': {
            'tools.staticdir.on': True,
            'tools.staticdir.dir': os.path.abspath(args.app_path),
            'tools.staticdir.indexlister': skydir,
        },
        '/mojo/public': {
            'tools.staticdir.on': True,
            'tools.staticdir.dir': os.path.join(GEN_ROOT, 'mojo', 'public'),
        },
        '/mojo/services': {
            'tools.staticdir.on': True,
            'tools.staticdir.dir': os.path.join(GEN_ROOT, 'mojo', 'services'),
        },
        '/sky/services': {
            'tools.staticdir.on': True,
            'tools.staticdir.dir': os.path.join(GEN_ROOT, 'sky', 'services'),
        },
     }
    cherrypy.quickstart(config=config)


if __name__ == '__main__':
    main()