using System;
using System.Collections.Generic;
using Octokit.Response;
using Xunit;

namespace Octokit.Tests.Models
{
    public class PunchCardTests
    {
        [Fact]
        public void ThrowsExceptionWithNullPunchCardPoints()
        {
            Assert.Throws<ArgumentNullException>(()=>new PunchCard(null));
        }

        [Fact]
        public void ThrowsExceptionWhenPunchCardPointsHaveIncorrectFormat()
        {
            IList<int> point1 = new []{1,2,3,4,5,6};
            IEnumerable<IList<int>> points = new List<IList<int>>{point1};
            Assert.Throws<ArgumentException>(() => new PunchCard(points));
        }

        [Fact]
        public void DoesNotThrowExceptionWhenPunchPointsHaveCorrectFormat()
        {
            IList<int> point1 = new[] { 1, 2, 3};
            IEnumerable<IList<int>> points = new List<IList<int>> { point1 };
            Assert.DoesNotThrow(() => new PunchCard(points));
        }

        [Fact]
        public void CanQueryCommitsForDayAndHour()
        {
            IList<int> point1 = new[] { 1, 0, 3 };
            IList<int> point2 = new[] { 1, 1, 4 };
            IList<int> point3 = new[] { 1, 2, 0 };
            IEnumerable<IList<int>> points = new List<IList<int>> { point1,point2,point3 };

            var punchCard = new PunchCard(points);

            var commitsAtMondayAt12Am = punchCard.GetCommitCountFor(DayOfWeek.Monday, 0);
            var commitsAtMondayAt1Am = punchCard.GetCommitCountFor(DayOfWeek.Monday, 1);
            var commitsAtMondayAt2Am = punchCard.GetCommitCountFor(DayOfWeek.Monday, 2);
            var commitsAtTuesdayAt2Am = punchCard.GetCommitCountFor(DayOfWeek.Tuesday, 2);

            Assert.Equal(3,commitsAtMondayAt12Am);
            Assert.Equal(4, commitsAtMondayAt1Am);
            Assert.Equal(0, commitsAtMondayAt2Am);
            Assert.Equal(0, commitsAtTuesdayAt2Am);
        }
    }
}