@Tags(['analyzer'])

import 'package:analyzer/dart/element/element.dart';
import 'package:build/build.dart';
import 'package:drift_dev/moor_generator.dart';
import 'package:drift_dev/src/analyzer/dart/parser.dart';
import 'package:drift_dev/src/analyzer/errors.dart';
import 'package:drift_dev/src/analyzer/runner/steps.dart';
import 'package:drift_dev/src/analyzer/session.dart';
import 'package:test/test.dart';

import '../../utils/test_backend.dart';
import '../utils.dart';

void main() {
  late TestBackend backend;
  late ParseDartStep dartStep;
  late DriftDartParser parser;

  setUpAll(() {
    backend = TestBackend({
      AssetId.parse('test_lib|lib/main.dart'): r'''
      import 'package:drift/drift.dart';

      TypeConverter<Dart, SQL> typeConverter<Dart, SQL>() {
        throw 'stub';
      }

      class TableWithCustomName extends Table {
        @override String get tableName => 'my-fancy-table';

        @override bool get withoutRowId => true;
      }

      class Users extends Table {
        /// The user id
        IntColumn get id => integer().autoIncrement()();
        /// The username
        ///
        /// The username must be between 6-32 characters
        TextColumn get name => text().named("user_name").withLength(min: 6, max: 32)();
        TextColumn get onlyMax => text().withLength(max: 100)();

        DateTimeColumn get defaults => dateTime().withDefault(currentDate)();
      }

      class CustomPrimaryKey extends Table {
        IntColumn get partA => integer()();
        IntColumn get partB => integer().customConstraint('custom')();

        @override
        Set<Column> get primaryKey => {partA, partB};
      }

      class WrongName extends Table {
         String constructTableName() => 'my-table-name';
         String get tableName => constructTableName();
      }

      mixin IntIdTable on Table {
        IntColumn get id => integer().autoIncrement()();
      }

      abstract class HasNameTable extends Table {
        TextColumn get name => text()();
      }

      class Foos extends HasNameTable with IntIdTable {
        TextColumn get name => text().nullable()();
      }

      class Socks extends Table {
        TextColumn get name => text()();
        IntColumn get id => integer()();

        @override
        Set<Column> get primaryKey => {id};
      }

      class ArchivedSocks extends Socks {
        TextColumn get archivedBy => text()();
        DateTimeColumn get archivedOn => dateTime()();
      }

      class WithAliasForRowId extends Table {
        IntColumn get id => integer()();
        TextColumn get name => text()();

        @override
        Set<Column> get primaryKey => {id};
      }

      class PrimaryKeyAndAutoIncrement extends Table {
        IntColumn get id => integer().autoIncrement()();
        TextColumn get other => text()();

        @override
        Set<Column> get primaryKey => {other};
      }

      class DynamicConverter extends Table {
        TextColumn get a1 => text().map<dynamic>(typeConverter<dynamic, String>())();
        TextColumn get a2 => text().map<DoesNotExist>(typeConverter<DoesNotExist, String>())();

        TextColumn get b1 => text().map<List<dynamic>>(typeConverter<List<dynamic>, String>())();
        TextColumn get b2 => text().map<List<DoesNotExist>>(typeConverter<List<DoesNotExist>, String>())();

        TextColumn get c => text().map<Map<String, dynamic>>(typeConverter<Map<String, dynamic>, String>())();
      }
      ''',
      AssetId.parse('test_lib|lib/invalid_reference.dart'): '''
      import 'package:drift/drift.dart';

      class Foo extends Table {
        IntColumn get id => integer().autoIncrement()();
      }

      @DriftDatabase(tables: [Foo, DoesNotExist])
      class Database {}
      ''',
      AssetId.parse('test_lib|lib/invalid_constraints.dart'): '''
      import 'package:drift/drift.dart';

      class InvalidConstraints extends Table {
        IntColumn get a => integer().autoIncrement().customConstraint('foo')();
        IntColumn get b => integer().customConstraint('a').customConstraint('b')();
      }
      ''',
    });
  });
  tearDownAll(() {
    backend.finish();
  });

  setUp(() async {
    final uri = Uri.parse('package:test_lib/main.dart');
    final task = backend.startTask(uri);
    final session = MoorSession(backend);

    final moorTask = session.startTask(task);
    final file = session.registerFile(uri);

    dartStep = ParseDartStep(
        moorTask, file, await task.resolveDart(uri), await moorTask.helper);
    parser = DriftDartParser(dartStep);
  });

  Future<DriftTable?> parse(String name) async {
    return parser.parseTable(dartStep.library.getType(name)!);
  }

  group('table names', () {
    test('use overridden name', () async {
      final parsed = await parse('TableWithCustomName');
      expect(parsed!.sqlName, equals('my-fancy-table'));
      expect(parsed.overrideWithoutRowId, isTrue);
    });

    test('use re-cased class name', () async {
      final parsed = await parse('Users');
      expect(parsed!.sqlName, equals('users'));
    });

    test('should not parse for complex methods', () async {
      await parse('WrongName');
      expect(dartStep.errors.errors, isNotEmpty);
    });
  });

  group('Columns', () {
    test('should use field name if no name has been set explicitly', () async {
      final table = await parse('Users');
      final idColumn =
          table!.columns.singleWhere((col) => col.name.name == 'id');

      expect(idColumn.name, equals(ColumnName.implicitly('id')));
      expect(
        idColumn.declaration,
        const TypeMatcher<DartColumnDeclaration>().having(
          (c) => c.element,
          'element',
          const TypeMatcher<PropertyAccessorElement>(),
        ),
      );
    });

    test('should use explicit name, if it exists', () async {
      final table = await parse('Users');
      final idColumn =
          table!.columns.singleWhere((col) => col.name.name == 'user_name');

      expect(idColumn.name, equals(ColumnName.explicitly('user_name')));
    });

    test('should parse min and max length for text columns', () async {
      final table = await parse('Users');
      final idColumn =
          table!.columns.singleWhere((col) => col.name.name == 'user_name');

      expect(idColumn.features,
          contains(LimitingTextLength(minLength: 6, maxLength: 32)));
    });

    test('should only parse max length when relevant', () async {
      final table = await parse('Users');
      final idColumn =
          table!.columns.singleWhere((col) => col.dartGetterName == 'onlyMax');

      expect(idColumn.features, contains(LimitingTextLength(maxLength: 100)));
    });

    test('parses custom constraints', () async {
      final table = await parse('CustomPrimaryKey');

      final partA =
          table!.columns.singleWhere((c) => c.dartGetterName == 'partA');
      final partB =
          table.columns.singleWhere((c) => c.dartGetterName == 'partB');

      expect(partB.customConstraints, 'custom');
      expect(partA.customConstraints, isNull);
    });

    test('parsed default values', () async {
      final table = await parse('Users');
      final defaultsColumn =
          table!.columns.singleWhere((c) => c.name.name == 'defaults');

      expect(defaultsColumn.defaultArgument.toString(), 'currentDate');
    });

    test('parses documentation comments', () async {
      final table = await parse('Users');
      final idColumn =
          table!.columns.singleWhere((col) => col.name.name == 'id');

      final usernameColumn =
          table.columns.singleWhere((col) => col.name.name == 'user_name');

      expect(idColumn.documentationComment, '/// The user id');
      expect(
        usernameColumn.documentationComment,
        '/// The username\n///\n/// The username must be between 6-32 characters',
      );
    });
  });

  test('parses custom primary keys', () async {
    final table = await parse('CustomPrimaryKey');

    expect(table!.primaryKey, containsAll(table.columns));
    expect(table.columns.any((column) => column.hasAI), isFalse);
  });

  test('warns when using primaryKey and autoIncrement()', () async {
    await parse('PrimaryKeyAndAutoIncrement');

    expect(
      dartStep.errors.errors,
      contains(
        isA<ErrorInDartCode>().having((e) => e.message, 'message',
            contains('override primaryKey and use autoIncrement()')),
      ),
    );
  });

  test('recognizes aliases for rowid', () async {
    final table = await parse('WithAliasForRowId');
    final idColumn = table!.columns.singleWhere((c) => c.name.name == 'id');

    expect(table.isColumnRequiredForInsert(idColumn), isFalse);
  });

  test('parses type converters using dynamic', () async {
    final table = (await parse('DynamicConverter'))!;

    final a1 = table.columns.singleWhere((c) => c.name.name == 'a1');
    final a2 = table.columns.singleWhere((c) => c.name.name == 'a2');
    final b1 = table.columns.singleWhere((c) => c.name.name == 'b1');
    final b2 = table.columns.singleWhere((c) => c.name.name == 'b2');
    final c = table.columns.singleWhere((c) => c.name.name == 'c');

    void expectType(
        DriftColumn column, bool hasOverriddenSource, String toString) {
      expect(
        column.typeConverter,
        isA<UsedTypeConverter>()
            .having(
              (e) => e.dartType.overiddenSource,
              'mappedType.overriddenSource',
              hasOverriddenSource ? isNotNull : isNull,
            )
            .having(
              (e) => e.dartType.codeString(),
              'mappedType.codeString',
              toString,
            ),
      );
    }

    expectType(a1, false, 'dynamic');
    expectType(a2, true, 'DoesNotExist');
    expectType(b1, false, 'List<dynamic>');
    expectType(b2, true, 'List<DoesNotExist>');
    expectType(c, false, 'Map<String, dynamic>');
  });

  group('inheritance', () {
    test('from abstract classes or mixins', () async {
      final table = await parse('Foos');

      expect(table!.columns, hasLength(2));
      expect(
          table.columns.map((c) => c.name.name), containsAll(['id', 'name']));
    });

    test('from regular classes', () async {
      final socks = await parse('Socks');
      final archivedSocks = await parse('ArchivedSocks');

      expect(socks!.columns, hasLength(2));
      expect(socks.columns.map((c) => c.name.name), ['name', 'id']);

      expect(archivedSocks!.columns, hasLength(4));
      expect(archivedSocks.columns.map((c) => c.name.name),
          ['name', 'id', 'archived_by', 'archived_on']);
      expect(archivedSocks.primaryKey!.map((e) => e.name.name), ['id']);
    });
  });

  test('reports error when using autoIncrement and primaryKey', () async {
    final session = MoorSession(backend);
    final uri = Uri.parse('package:test_lib/main.dart');
    final backendTask = backend.startTask(uri);
    final task = session.startTask(backendTask);
    await task.runTask();

    final file = session.registerFile(uri);

    expect(
      file.errors.errors,
      contains(
        isA<ErrorInDartCode>().having(
          (e) => e.message,
          'message',
          allOf(
            contains('use autoIncrement()'),
            contains('and also override primaryKey'),
          ),
        ),
      ),
    );
  });

  test('reports errors for unknown classes in UseMoor', () async {
    final session = MoorSession(backend);
    final uri = Uri.parse('package:test_lib/invalid_reference.dart');
    final backendTask = backend.startTask(uri);
    final task = session.startTask(backendTask);
    await task.runTask();

    final file = session.registerFile(uri);
    expect(
      file.errors.errors,
      contains(
        isA<ErrorInDartCode>().having(
          (e) => e.message,
          'message',
          allOf(
            contains('Could not read tables from @DriftDatabase annotation!'),
            contains('Please make sure that all table classes exist.'),
          ),
        ),
      ),
    );
  });

  test('reports errors around suspicous customConstraint uses', () async {
    final session = MoorSession(backend);
    final uri = Uri.parse('package:test_lib/invalid_constraints.dart');
    final backendTask = backend.startTask(uri);
    final task = session.startTask(backendTask);
    await task.runTask();

    final file = session.registerFile(uri);
    file.expectDartError(
      allOf(
        contains(
            'This column definition is using both drift-defined constraints'),
        contains('and a customConstraint()'),
      ),
      'a',
    );
    file.expectDartError(
      contains("You've already set custom constraints on this column"),
      'customConstraint',
    );
  });
}