from collections import OrderedDict

from graphql_relay import to_global_id

from ...types import ObjectType, Schema, String
from ..node import Node, is_node


class SharedNodeFields(object):

    shared = String()
    something_else = String()

    def resolve_something_else(*_):
        return "----"


class MyNode(ObjectType):
    class Meta:
        interfaces = (Node,)

    name = String()

    @staticmethod
    def get_node(info, id):
        return MyNode(name=str(id))


class MyOtherNode(SharedNodeFields, ObjectType):
    extra_field = String()

    class Meta:
        interfaces = (Node,)

    def resolve_extra_field(self, *_):
        return "extra field info."

    @staticmethod
    def get_node(info, id):
        return MyOtherNode(shared=str(id))


class RootQuery(ObjectType):
    first = String()
    node = Node.Field()
    only_node = Node.Field(MyNode)
    only_node_lazy = Node.Field(lambda: MyNode)


schema = Schema(query=RootQuery, types=[MyNode, MyOtherNode])


def test_node_good():
    assert "id" in MyNode._meta.fields
    assert is_node(MyNode)
    assert not is_node(object)


def test_node_query():
    executed = schema.execute(
        '{ node(id:"%s") { ... on MyNode { name } } }' % Node.to_global_id("MyNode", 1)
    )
    assert not executed.errors
    assert executed.data == {"node": {"name": "1"}}


def test_subclassed_node_query():
    executed = schema.execute(
        '{ node(id:"%s") { ... on MyOtherNode { shared, extraField, somethingElse } } }'
        % to_global_id("MyOtherNode", 1)
    )
    assert not executed.errors
    assert executed.data == OrderedDict(
        {
            "node": OrderedDict(
                [
                    ("shared", "1"),
                    ("extraField", "extra field info."),
                    ("somethingElse", "----"),
                ]
            )
        }
    )


def test_node_requesting_non_node():
    executed = schema.execute(
        '{ node(id:"%s") { __typename } } ' % Node.to_global_id("RootQuery", 1)
    )
    assert executed.data == {"node": None}


def test_node_query_incorrect_id():
    executed = schema.execute(
        '{ node(id:"%s") { ... on MyNode { name } } }' % "something:2"
    )
    assert not executed.errors
    assert executed.data == {"node": None}


def test_node_field():
    node_field = Node.Field()
    assert node_field.type == Node
    assert node_field.node_type == Node


def test_node_field_custom():
    node_field = Node.Field(MyNode)
    assert node_field.type == MyNode
    assert node_field.node_type == Node


def test_node_field_args():
    field_args = {
        "name": "my_custom_name",
        "description": "my_custom_description",
        "deprecation_reason": "my_custom_deprecation_reason",
    }
    node_field = Node.Field(**field_args)
    for field_arg, value in field_args.items():
        assert getattr(node_field, field_arg) == value


def test_node_field_only_type():
    executed = schema.execute(
        '{ onlyNode(id:"%s") { __typename, name } } ' % Node.to_global_id("MyNode", 1)
    )
    assert not executed.errors
    assert executed.data == {"onlyNode": {"__typename": "MyNode", "name": "1"}}


def test_node_field_only_type_wrong():
    executed = schema.execute(
        '{ onlyNode(id:"%s") { __typename, name } } '
        % Node.to_global_id("MyOtherNode", 1)
    )
    assert len(executed.errors) == 1
    assert str(executed.errors[0]) == "Must receive a MyNode id."
    assert executed.data == {"onlyNode": None}


def test_node_field_only_lazy_type():
    executed = schema.execute(
        '{ onlyNodeLazy(id:"%s") { __typename, name } } '
        % Node.to_global_id("MyNode", 1)
    )
    assert not executed.errors
    assert executed.data == {"onlyNodeLazy": {"__typename": "MyNode", "name": "1"}}


def test_node_field_only_lazy_type_wrong():
    executed = schema.execute(
        '{ onlyNodeLazy(id:"%s") { __typename, name } } '
        % Node.to_global_id("MyOtherNode", 1)
    )
    assert len(executed.errors) == 1
    assert str(executed.errors[0]) == "Must receive a MyNode id."
    assert executed.data == {"onlyNodeLazy": None}


def test_str_schema():
    assert (
        str(schema)
        == """
schema {
  query: RootQuery
}

type MyNode implements Node {
  id: ID!
  name: String
}

type MyOtherNode implements Node {
  id: ID!
  shared: String
  somethingElse: String
  extraField: String
}

interface Node {
  id: ID!
}

type RootQuery {
  first: String
  node(id: ID!): Node
  onlyNode(id: ID!): MyNode
  onlyNodeLazy(id: ID!): MyNode
}
""".lstrip()
    )