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/** \Author Maarten de Vries <maarten@de-vri.es> */

#include "resources/config.h"
#include <geometric_shapes/mesh_operations.h>
#include <gtest/gtest.h>
#include <string>

namespace
{
void assertMesh(shapes::Mesh* mesh)
{
  ASSERT_TRUE(mesh != nullptr);
  ASSERT_EQ(3u, mesh->vertex_count);
  ASSERT_EQ(1u, mesh->triangle_count);

  ASSERT_EQ(0u, mesh->triangles[0]);
  ASSERT_EQ(1u, mesh->triangles[1]);
  ASSERT_EQ(2u, mesh->triangles[2]);

  ASSERT_FLOAT_EQ(0, mesh->vertices[0 + 0]);
  ASSERT_FLOAT_EQ(0, mesh->vertices[0 + 1]);
  ASSERT_FLOAT_EQ(1, mesh->vertices[0 + 2]);
  ASSERT_FLOAT_EQ(0, mesh->vertices[3 + 0]);
  ASSERT_FLOAT_EQ(1, mesh->vertices[3 + 1]);
  ASSERT_FLOAT_EQ(0, mesh->vertices[3 + 2]);
  ASSERT_FLOAT_EQ(1, mesh->vertices[6 + 0]);
  ASSERT_FLOAT_EQ(0, mesh->vertices[6 + 1]);
  ASSERT_FLOAT_EQ(0, mesh->vertices[6 + 2]);
}

shapes::Mesh* loadMesh(const std::string& mesh)
{
  std::string path = "file://" + std::string(TEST_RESOURCES_DIR) + "/" + mesh;
  return shapes::createMeshFromResource(path);
}
}  // namespace

TEST(CreateMesh, stl)
{
  assertMesh(loadMesh("triangle.stl"));
}

TEST(CreateMesh, daeNoUp)
{
  assertMesh(loadMesh("triangle_no_up.dae"));
}

TEST(CreateMesh, daeYUp)
{
  assertMesh(loadMesh("triangle_y_up.dae"));
}

TEST(CreateMesh, daeZUp)
{
  assertMesh(loadMesh("triangle_z_up.dae"));
}

TEST(CreateMesh, daeXUp)
{
  assertMesh(loadMesh("triangle_x_up.dae"));
}

TEST(CreateMesh, daeNoUnit)
{
  assertMesh(loadMesh("triangle_no_unit.dae"));
}

TEST(CreateMesh, dae1M)
{
  assertMesh(loadMesh("triangle_1m.dae"));
}

TEST(CreateMesh, dae10M)
{
  assertMesh(loadMesh("triangle_10m.dae"));
}

int main(int argc, char** argv)
{
  testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}
