import getpass
import json
import sys

import ox
import ox.web.auth

def parse_nodes(parents, nodes):
    global strings
    parsed = []
    for name, children in nodes.items():
        full_name = name if not parents else '{}: {}'.format(parents, name)
        children = parse_nodes(full_name, children)
        if not children:
            strings.add(full_name)
        parsed.append({
            'name': full_name,
            'children': children
        })
    return parsed

# get strings ("a: b: c: d") and parents ({"c": "a: b"})
strings = set()
data = json.loads(open('ontology.json').read())
parse_nodes('', data)
parents = {}
for string in sorted(strings):
    parts = string.split(': ')
    grandparent = ': '.join(parts[:-2])
    parent = parts[-2]
    parents[parent] = grandparent

# sign in
site = 'pandora.cinemusespace.com'
api = ox.API('https://{}/api/'.format(site))
update = False
try:
    credentials = ox.web.auth.get(site)
except:
    print('Please enter your username and password for {}:'.format(site))
    credentials = {}
    credentials['username'] = input('Username: ')
    credentials['password'] = getpass.getpass('Password: ')
    update = True
r = api.signin(**credentials)
if 'errors' in r.get('data', {}):
    print(r['data'])
    for kv in r['data']['errors'].items():
        print('{}: {}'.format(*kv))
    sys.exit(1)
if (update):
    ox.web.auth.update(site, credentials)

# find keywords, add strings, count items for children and parents
child_items = {}
parent_items = {}
keywords = api.find({
     'group': 'keywords',
     'query': {
         'conditions': [],
         'operator': '&'
     },
     'range': [0, 1000000],
     'sort': [{'key': 'name', 'operator': '-'}]
})['data']['items']
for keyword in keywords:
    if not keyword['name']:
        continue
    parent = keyword['name'].split(': ')[0]
    if parent in parents:
        string = '{}: {}'.format(parents[parent], keyword['name'])
    else:
        string = '{}: {}'.format('unknown', keyword['name'])
    if not parent:
        parent = 'unknown'
    strings.add(string)
    child_items[string] = keyword['items']
    parent_items[parent] = parent_items.get(parent, 0) + keyword['items']

# create html
html = []
for string in sorted(strings):
    parts = string.split(': ')
    parts_ = [p for p in parts]
    if parts[-2] != 'unknown' and parts[-2] in parent_items:
        parts_[-2] = '<a href="https://{}/clip/text/keywords={}:*" target="_blank" title="{}">{}</a>'.format(
            site, parts[-2].replace(' ', '_'),
            parent_items[parts[-2]], parts[-2]
        )
    if string in child_items:
        parts_[-1] = '<a href="https://{}/clip/text/keywords=={}{}" target="_blank" title="{}">{}</a>'.format(
            site, '{}:_'.format(parts[-2].replace(' ', '_')) if parts[-2] != 'unknown' else '',
            parts[-1].replace(' ', '_'), child_items[string], parts[-1]
        )
    html.append(': '.join(parts_))
template = open('ontology_template.html').read()
open('ontology.html', 'w').write(template.replace('{TREE}', '<br>\n        '.join(html)))