using Autodesk.Revit.DB;
using System.Linq;
using Xunit;
using xUnitRevitUtils;

namespace SampleLibrary {
    public class TestWithFixture : IClassFixture<DocFixture> {
        DocFixture fixture;
        public TestWithFixture(DocFixture fixture) {
            this.fixture = fixture;
        }

        [Fact]
        public void CountWalls() {
            Assert.Equal(4, fixture.Walls.Count);
        }

        [Fact]
        public void WallOffset() {
            var wall = fixture.Doc.GetElement(new ElementId(346573));
            var param = wall.get_Parameter(BuiltInParameter.WALL_BASE_OFFSET);

#if pre2021
            var baseOffset = UnitUtils.ConvertFromInternalUnits(param.AsDouble(), param.DisplayUnitType);
#else
            var baseOffset = UnitUtils.ConvertFromInternalUnits(param.AsDouble(), param.GetUnitTypeId());
#endif

            Assert.Equal(2000, baseOffset);
        }

        [Fact]
        public void MoveWallsUp() {
            var walls = fixture.Walls.Where(x => x.Id.IntegerValue != 346573);

            xru.RunInTransaction(() => {
                foreach (var wall in walls) {
                    var param = wall.get_Parameter(BuiltInParameter.WALL_BASE_OFFSET);

#if pre2021
            var baseOffset = UnitUtils.ConvertToInternalUnits(2000, param.DisplayUnitType);
#else
                    var baseOffset = UnitUtils.ConvertToInternalUnits(2000, param.GetUnitTypeId());
#endif
                    param.Set(baseOffset);
                }
            }, fixture.Doc)
            .Wait(); // Important! Wait for action to finish

            foreach (var wall in walls) {
                var param = wall.get_Parameter(BuiltInParameter.WALL_BASE_OFFSET);
#if pre2021
            var baseOffset = UnitUtils.ConvertFromInternalUnits(param.AsDouble(), param.DisplayUnitType);
#else
                var baseOffset = UnitUtils.ConvertFromInternalUnits(param.AsDouble(), param.GetUnitTypeId());
#endif
                Assert.Equal(2000, baseOffset);
            }
        }
    }
}