import 'dart:mirrors';
import 'package:angel_framework/angel_framework.dart';
import 'package:http/http.dart' as http;
import 'package:json_god/json_god.dart';
import 'package:test/test.dart';

class Todo {
  String text;
  String over;
}

main() {
  group('Services', () {
    Map headers = {
      'Accept': 'application/json',
      'Content-Type': 'application/json'
    };
    Angel app;
    String url;
    http.Client client;
    God god;

    setUp(() async {
      app = new Angel();
      client = new http.Client();
      god = new God();
      Service todos = new MemoryService<Todo>();
      app.use('/todos', todos);
      print(app.service("todos"));
      await app.startServer(null, 0);
      url = "http://${app.httpServer.address.host}:${app.httpServer.port}";
    });

    tearDown(() async {
      app = null;
      url = null;
      client.close();
      client = null;
      god = null;
    });

    group('memory', () {
      test('can index an empty service', () async {
        var response = await client.get("$url/todos/");
        print(response.body);
        expect(response.body, equals('[]'));
        for (int i = 0; i < 3; i++) {
          String postData = god.serialize({'text': 'Hello, world!'});
          await client.post(
              "$url/todos", headers: headers, body: postData);
        }
        response = await client.get("$url/todos");
        print(response.body);
        expect(god
            .deserialize(response.body)
            .length, equals(3));
      });

      test('can create data', () async {
        String postData = god.serialize({'text': 'Hello, world!'});
        var response = await client.post(
            "$url/todos", headers: headers, body: postData);
        var json = god.deserialize(response.body);
        print(json);
        expect(json['text'], equals('Hello, world!'));
      });

      test('can fetch data', () async {
        String postData = god.serialize({'text': 'Hello, world!'});
        await client.post(
            "$url/todos", headers: headers, body: postData);
        var response = await client.get(
            "$url/todos/0");
        var json = god.deserialize(response.body);
        print(json);
        expect(json['text'], equals('Hello, world!'));
      });

      test('can modify data', () async {
        String postData = god.serialize({'text': 'Hello, world!'});
        await client.post(
            "$url/todos", headers: headers, body: postData);
        postData = god.serialize({'text': 'modified'});
        var response = await client.patch(
            "$url/todos/0", headers: headers, body: postData);
        var json = god.deserialize(response.body);
        print(json);
        expect(json['text'], equals('modified'));
      });

      test('can overwrite data', () async {
        String postData = god.serialize({'text': 'Hello, world!'});
        await client.post(
            "$url/todos", headers: headers, body: postData);
        postData = god.serialize({'over': 'write'});
        var response = await client.post(
            "$url/todos/0", headers: headers, body: postData);
        var json = god.deserialize(response.body);
        print(json);
        expect(json['text'], equals(null));
        expect(json['over'], equals('write'));
      });

      test('can delete data', () async {
        String postData = god.serialize({'text': 'Hello, world!'});
        await client.post(
            "$url/todos", headers: headers, body: postData);
        var response = await client.delete(
            "$url/todos/0");
        var json = god.deserialize(response.body);
        print(json);
        expect(json['text'], equals('Hello, world!'));
        response = await client.get("$url/todos");
        print(response.body);
        expect(god
            .deserialize(response.body)
            .length, equals(0));
      });
    });
  });
}