import json
from flask import session
import sanitize
import config_utils
import factory


def collect_tokens(cfg):
    tokens = config_utils.collect_layout_tokens(cfg)
    blank = [{'value': '', 'label': '-- Select Timezone --'}]
    tokens['PREF_EMAIL']        = session.get('email_address', '')
    tokens['PREF_TIMEZONE']     = session.get('timezone', '')
    tokens['TIMEZONE_OPTIONS']  = json.dumps(blank + [{'value': tz, 'label': tz} for tz in sanitize.VALID_TIMEZONES])

    account = config_utils.get_account_by_id(session.get('account_id', ''))
    requested = (account or {}).get('requested_email', '')
    if requested:
        tokens['PENDING_EMAIL_BAR'] = (
            f'<div class="info-bar info-bar-inline info-bar-warning">'
            f'A request to change email to {factory.e(requested)} is pending approval.'
            f'</div>'
        )
    else:
        tokens['PENDING_EMAIL_BAR'] = ''

    return tokens