using System;
using System.Threading.Tasks;
using System.Xml;
using BirdsiteLive.DAL.Postgres.DataAccessLayers;
using BirdsiteLive.DAL.Postgres.Tests.DataAccessLayers.Base;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace BirdsiteLive.DAL.Postgres.Tests.DataAccessLayers
{
    [TestClass]
    public class TwitterUserPostgresDalTests : PostgresTestingBase
    {
        [TestInitialize]
        public async Task TestInit()
        {
            var dal = new DbInitializerPostgresDal(_settings, _tools);
            await dal.InitDbAsync();
        }

        [TestCleanup]
        public async Task CleanUp()
        {
            var dal = new DbInitializerPostgresDal(_settings, _tools);
            try
            {
                await dal.DeleteAllAsync();
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
        }

        [TestMethod]
        public async Task GetTwitterUserAsync_NoUser()
        {
            var dal = new TwitterUserPostgresDal(_settings);
            var result = await dal.GetTwitterUserAsync("dontexist");
            Assert.IsNull(result);
        }

        [TestMethod]
        public async Task CreateAndGetUser()
        {
            var acct = "myid";
            var lastTweetId = 1548L;

            var dal = new TwitterUserPostgresDal(_settings);

            await dal.CreateTwitterUserAsync(acct, lastTweetId);
            var result = await dal.GetTwitterUserAsync(acct);

            Assert.AreEqual(acct, result.Acct);
            Assert.AreEqual(lastTweetId, result.LastTweetPostedId);
            Assert.AreEqual(lastTweetId, result.LastTweetSynchronizedForAllFollowersId);
            Assert.IsTrue(result.Id > 0);
        }

        [TestMethod]
        public async Task CreateUpdateAndGetUser()
        {
            var acct = "myid";
            var lastTweetId = 1548L;

            var dal = new TwitterUserPostgresDal(_settings);

            await dal.CreateTwitterUserAsync(acct, lastTweetId);
            var result = await dal.GetTwitterUserAsync(acct);


            var updatedLastTweetId = 1600L;
            var updatedLastSyncId = 1550L;
            await dal.UpdateTwitterUserAsync(result.Id, updatedLastTweetId, updatedLastSyncId);

            result = await dal.GetTwitterUserAsync(acct);

            Assert.AreEqual(acct, result.Acct);
            Assert.AreEqual(updatedLastTweetId, result.LastTweetPostedId);
            Assert.AreEqual(updatedLastSyncId, result.LastTweetSynchronizedForAllFollowersId);
        }

        [TestMethod]
        public async Task CreateAndDeleteUser()
        {
            var acct = "myid";
            var lastTweetId = 1548L;

            var dal = new TwitterUserPostgresDal(_settings);

            await dal.CreateTwitterUserAsync(acct, lastTweetId);
            var result = await dal.GetTwitterUserAsync(acct);
            Assert.IsNotNull(result);

            await dal.DeleteTwitterUserAsync(acct);
            result = await dal.GetTwitterUserAsync(acct);
            Assert.IsNull(result);
        }
    }
}