import clr
from user import User
from field import Field
from user_field import FieldRecord

clr.AddReference('System')
from System import Guid, DateTime


class Layer:
    def __init__(self, layer):
        self._field_db = layer.FieldDb
        self._record_db = layer.RecordDb

    def add_field(self, field: Field) -> 'Layer':
        self._field_db.Add(field.parse_to_csharp_object(self._field_db.GetDefaultEntity()))
        return self

    # The value property will
    def find_field(self, key: str, value: str) -> [Field]:
        return [Field(t) for t in self._field_db.FindAll(key, Guid.Parse(value))]

    def remove_field(self, field: Field) -> 'Layer':
        self._field_db.TryDelete(field.id, field.parse_to_csharp_object(self._field_db.GetDefaultEntity()).Id)
        return self

    def add_record(self, record: FieldRecord) -> 'Layer':
        self._record_db.Add(record.parse_to_csharp_object(self._record_db.GetDefaultEntity()))
        return self

    def find_record(self, key: str, value: str) -> [FieldRecord]:
        return [FieldRecord(t) for t in self._record_db.FindAll(key, Guid.Parse(value))]

    # One User only allowed to book one field at a time
    def remove_record(self, record: FieldRecord) -> 'Layer':
        self._record_db.TryDelete("Uid", record.parse_to_csharp_object(self._record_db.GetDefaultEntity()).Uid)
        return self