import unittest
from genson import SchemaBuilder

SCHEMA_URI = 'https://json-schema.org/draft/2020-12/schema'


class TestParams(unittest.TestCase):
    def setUp(self):
        self.builder = SchemaBuilder(schema_uri=SCHEMA_URI)

    def assertResult(self, expected):
        self.assertEqual(self.builder.to_json(), expected)

    def test_uri(self):
        self.assertResult({"$schema": SCHEMA_URI})

    def test_null_uri(self):
        self.builder = SchemaBuilder(schema_uri=None)
        self.assertResult({})


class TestMethods(unittest.TestCase):
    def setUp(self):
        self.builder = SchemaBuilder()

    def assertResult(self, expected):
        self.assertEqual(self.builder.to_json(), expected)

    def test_add_schema(self):
        self.builder.add_schema({"type": "null"})
        self.assertResult({
            "$schema": SchemaBuilder.DEFAULT_URI,
            "type": "null"})

    def test_add_object(self):
        self.builder.add_object(None)
        self.assertResult({
            "$schema": SchemaBuilder.DEFAULT_URI,
            "type": "null"})

    def test_to_json(self):
        self.assertEqual(
            self.builder.to_json(),
            '{"$schema": "%s"}' % SchemaBuilder.DEFAULT_URI)

    def test_add_schema_with_uri_default(self):
        self.builder.add_schema({"$schema": SCHEMA_URI, "type": "null"})
        self.assertResult({"$schema": SCHEMA_URI, "type": "null"})

    def test_add_schema_with_uri_not_default(self):
        self.builder = SchemaBuilder(schema_uri=SCHEMA_URI)
        self.builder.add_schema({"$schema": 'BAD_URI', "type": "null"})
        self.assertResult({"$schema": SCHEMA_URI, "type": "null"})

    def test_empty_falsy(self):
        self.assertIs(bool(self.builder), False)

    def test_full_truty(self):
        self.builder.add_object(None)
        self.assertIs(bool(self.builder), True)


class TestInteraction(unittest.TestCase):
    def setUp(self):
        self.builder = SchemaBuilder(schema_uri=SCHEMA_URI)

    def assertResult(self, expected):
        self.assertEqual(self.builder.to_json(), expected)

    def test_add_other(self):
        other = SchemaBuilder(schema_uri=SCHEMA_URI)
        other.add_object(1)
        self.builder.add_object('one')
        self.builder.add_schema(other)
        self.assertResult({
            "$schema": SCHEMA_URI,
            "type": ["integer", "string"]})

    def test_add_other_no_uri_overwrite(self):
        other = SchemaBuilder()
        other.add_object(1)
        self.builder.add_object('one')
        self.builder.add_schema(other)
        self.builder.add_schema({'$schema': SCHEMA_URI})
        self.assertResult({
            "$schema": SCHEMA_URI,
            "type": ["integer", "string"]})

    def test_eq(self):
        b1 = SchemaBuilder()
        b1.add_object(1)
        b2 = SchemaBuilder()
        b2.add_object(1)
        self.assertEqual(b1, b2)

    def test_ne(self):
        b1 = SchemaBuilder()
        b1.add_object(1)
        b2 = SchemaBuilder()
        b2.add_object('one')
        self.assertNotEqual(b1, b2)

    def test_eq_after_serialization(self):
        b1 = SchemaBuilder()
        b1.add_object({"bar": 10, "foo": 20})
        b2 = SchemaBuilder()
        b2.add_schema(b1)
        self.assertEqual(b1, b2)

    def test_eq_empty_required(self):
        b1 = SchemaBuilder()
        b1.add_schema({
            "type": "object",
            "properties": {
                "bar": {"type": "integer"},
                "foo": {"type": "integer"}},
            "required": []})
        b2 = SchemaBuilder()
        b2.add_schema(b1)
        self.assertEqual(b1, b2)


if __name__ == '__main__':
    unittest.main()