#!/usr/bin/python
# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
# GPL 2013

import os
import sys
import time
from optparse import OptionParser
import json

import ox
import pandora_client


__version__ = '0.1'

class Incoming(object):
    wait = 60
    sleep = 5

    def __init__(self, config):
        with open(config) as fd:
            self.config = json.load(fd)

        if not self.config['url'].endswith('/'):
            self.config['url'] += '/'

        self.api = pandora_client.API(self.config['url']);

        r = self.api.signin(username=self.config['username'], password=self.config['password'])
        if r['status']['code'] != 200:
            print 'failed to signin'
            print r
            sys.exit(1)

    def monitor(self):
        while True:
            for root, folders, files in os.walk(self.config['folder']):
                for f in files:
                    f = os.path.join(root, f)
                    st = os.stat(f)
                    if st.st_mtime < time.mktime(time.localtime()) - self.wait:
                        self.import_media(f)
            time.sleep(self.sleep)

    def import_media(self, f):
        filename = os.path.basename(f)
        defaults = self.config['defaults']

        # try to load default values from tree
        folder = os.path.dirname(f)
        while len(folder) > len(self.config['folder']):
            defaults_json = os.path.join(folder, 'defaults.json')
            if os.path.exists(defaults_json):
                try:
                    with open(defaults_json) as fd:
                        defaults = json.load(fd)
                    break
                except:
                    pass
            folder = os.path.dirname(folder)

        # register file with pan.do/ra
        info = ox.avinfo(f)
        oshash = info['oshash']
        if 'path' in info:
            del info['path']
        r = self.api.addMedia({
            'id': oshash,
            'filename': filename,
            'info': info
        })

        '''
        # dont upload again if file is known
        if r['status']['text'] == 'file exists':
            os.unlink(f)
            return
        '''

        # update item with default metadata
        item = r['data']['item']
        item_info = {'id': item}
        item_info.update(defaults)
        self.api.edit(item_info)

        # upload media file
        url = '%supload/direct/' % self.config['url']
        r = self.api.upload_chunks(url, f, {
            'id': oshash
        })

        # remove file after successfull upload
        if r:
            os.unlink(f)
        else:
            print f, 'failed'

if __name__ == '__main__':
    usage = "usage: %prog -c config.json"
    parser = OptionParser(usage=usage)
    parser.add_option('-v', '--version', dest='version', action="store_true")
    parser.add_option('-c', '--config', dest='config',
        help='config.json with configuration information', default='', type='string')
    (opts, args) = parser.parse_args()
    if opts.version:
        print "%s %s" % (os.path.basename(sys.argv[0]), __version__)
        sys.exit(0)
    if not opts.config:
        parser.print_help()
        sys.exit(1)
    i = Incoming(opts.config)
    i.monitor()