Generate states report

def _generate_states_report(sorted_data):
    '''
    Generate states report
    '''
    states = []
    for state, data in sorted_data:
        module, stateid, name, function = state.split('_|-')
        module_function = '.'.join((module, function))
        result = data.get('result', '')
        single = [
            {'function': module_function},
            {'name': name},
            {'result': result},
            {'duration': data.get('duration', 0.0)},
            {'comment': data.get('comment', '')}
        ]

        if not result:
            style = 'failed'
        else:
            changes = data.get('changes', {})
            if changes and isinstance(changes, dict):
                single.append({'changes': _dict_to_name_value(changes)})
                style = 'changed'
            else:
                style = 'unchanged'

        started = data.get('start_time', '')
        if started:
            single.append({'started': started})

        states.append({stateid: single, '__style__': style})
    return states