using System.Linq;
using Novaloop.PaymoApi.Shared;
using Novaloop.PaymoApi.Tasks;
using Novaloop.PaymoApi.Tasks.Models;
using Xunit;
using Xunit.Abstractions;

namespace Novaloop.PaymoApi.Tests
{
    public class TasksApiTests
    {
        private readonly ITestOutputHelper _testOutputHelper;
        private readonly TasksApi _tasksApi;
        private readonly Task _testTask;

        public TasksApiTests(ITestOutputHelper testOutputHelper)
        {
            _testOutputHelper = testOutputHelper;
            _tasksApi = new TasksApi(new BaseApi<TasksResponse, Task>(DependencyFactory.GeneratePaymoApiClient(), DependencyFactory.GenerateOptions()));

            _testTask = new Task
            {
                Name = "Testtask",
                Description = "Just a little task"
            };
        }


        [Fact]
        public async void GetTasks()
        {
            // Arrange

            // Act
            var tasks = (await _tasksApi.GetTasks()).ToList();

            // Assert
            Assert.NotEmpty(tasks);
            _testOutputHelper.WriteLine(string.Join(",", tasks));
        }

        [Fact]
        public async void GetTask()
        {
            // Arrange

            // Act
            var tasks = (await _tasksApi.GetTasks()).ToList();
            var task = await _tasksApi.GetTask(tasks.First().Id);

            // Assert
            Assert.NotNull(task);
        }

        [Fact]
        public async void CreateTask()
        {
            // Arrange
            var existingTaskListId = (await _tasksApi.GetTasks()).First().TasklistId;

            // Act
            _testTask.TasklistId = existingTaskListId;
            var createdTask = await _tasksApi.CreateTask(_testTask);
            var task = await _tasksApi.GetTask(createdTask.Id);

            // Assert
            Assert.Equal(_testTask.Name, task.Name);
            Assert.Equal(_testTask.Description, task.Description);

            // Cleanup
            await _tasksApi.DeleteTask(createdTask.Id);
        }

        [Fact]
        public async void DeleteTask()
        {
            // Arrange
            var existingTaskListId = (await _tasksApi.GetTasks()).First().TasklistId;
            _testTask.TasklistId = existingTaskListId;
            var createdTask = await _tasksApi.CreateTask(_testTask);

            // Act
            await _tasksApi.DeleteTask(createdTask.Id);
            var tasks = (await _tasksApi.GetTasks()).ToList();


            // Assert
            Assert.Empty(tasks.Where(c => c.Id == createdTask.Id));
        }

        [Fact]
        public async void UpdateTask()
        {
            // Arrange
            var existingTaskListId = (await _tasksApi.GetTasks()).First().TasklistId;
            _testTask.TasklistId = existingTaskListId;
            var createdTask = await _tasksApi.CreateTask(_testTask);
            var taskUpdateInfo = new Task {Name = "Updated", TasklistId = _testTask.TasklistId};

            // Act
            await _tasksApi.UpdateTask(taskUpdateInfo, createdTask.Id);
            var updatedTask = await _tasksApi.GetTask(createdTask.Id);


            // Assert
            Assert.Equal(taskUpdateInfo.Name, updatedTask.Name);
        }
    }
}