import jsonapi_requests
import neofarm.orm.log as Log
from . my_meta import MyMeta


class Asset(jsonapi_requests.orm.ApiModel):
	class Meta(MyMeta):
		type = 'asset'

	name = jsonapi_requests.orm.AttributeField('name')
	timestamp = jsonapi_requests.orm.AttributeField('timestamp')
	location = jsonapi_requests.orm.RelationField('location')
	
	def get_logs_of_type(self, type):
		if not issubclass(type, Log.Log):
			raise ValueError("type specified is not a type of log use for example: get_logs_of_type(Log.Harvest)")
		logs = type.get_list()
		related = []
		for log in logs:
			for asset in log.assets:
				if asset.id == self.id:
					related.append(log) 
					break;
		return related

class Land(Asset):
	class Meta(Asset.Meta):
		name = 'land'
		type, path = Asset.Meta.get_type_and_path(name)
	json_geometry = jsonapi_requests.orm.AttributeField('intrinsic_geometry')
	
class Plant(Asset):
	class Meta(Asset.Meta):
		name = 'plant'
		type, path = Asset.Meta.get_type_and_path(name)
	crop = jsonapi_requests.orm.RelationField('plant_type')
	season = jsonapi_requests.orm.RelationField('season')
class Equipment(Asset):
	class Meta(Asset.Meta):
		name = 'equipment'
		type, path = Asset.Meta.get_type_and_path(name)
class Material(Asset):
	class Meta(Asset.Meta):
		name = 'material'
		type, path = Asset.Meta.get_type_and_path(name)
	crop = jsonapi_requests.orm.RelationField('material_type')
class Seed(Asset):
	class Meta(Asset.Meta):
		name = 'seed'
		type, path = Asset.Meta.get_type_and_path(name)
	crop = jsonapi_requests.orm.RelationField('plant_type')
	season = jsonapi_requests.orm.RelationField('season')
class Product(Asset):
	class Meta(Asset.Meta):
		name = 'product'
		type, path = Asset.Meta.get_type_and_path(name)
	# do not rename to type as that will end in infinite recursion
	product_type = jsonapi_requests.orm.RelationField('product_type')