"""Helper functions for Mikrotik Router."""

import logging
_LOGGER = logging.getLogger(__name__)


# ---------------------------
#   from_entry
# ---------------------------
def from_entry(entry, param, default=""):
    """Validate and return a value from a Mikrotik API dict"""
    if param not in entry:
        return default

    return entry[param]


# ---------------------------
#   from_entry_bool
# ---------------------------
def from_entry_bool(entry, param, default=False, reverse=False):
    """Validate and return a bool value from a Mikrotik API dict"""
    if param not in entry:
        return default

    if not reverse:
        ret = entry[param]
    else:
        if entry[param]:
            ret = False
        else:
            ret = True

    return ret


# ---------------------------
#   from_list
# ---------------------------
async def from_list(data=None, source=None, key=None, vals=[], ensure_vals=[]):
    if not source:
        return data

    for entry in source:
        if key not in entry:
            continue

        if not entry[key]:
            continue

        _LOGGER.debug("Processing entry {}, entry {}".format(source, entry))
        uid = entry[key]
        if uid not in data:
            data[uid] = {}

        for val in vals:
            _name = val['name']
            _type = val['type'] if 'type' in val else 'str'
            _source = val['source'] if 'source' in val else _name

            if _type == 'str':
                _default = val['default'] if 'default' in val else ''
                data[uid][_name] = from_entry(entry, _source, default=_default)
            elif _type == 'bool':
                _default = val['default'] if 'default' in val else False
                _reverse = val['reverse'] if 'reverse' in val else False
                data[uid][_name] = from_entry_bool(entry, _source, default=_default, reverse=_reverse)

        for val in ensure_vals:
            if val['name'] not in data[uid]:
                _default = val['default'] if 'default' in val else ''
                data[uid][val['name']] = _default

    return data