#[=======================================================================[
    MeshViewerDependenciesConfig.cmake
    ----------------
    CMake module to find MeshViewerDependencies library and include directories.

    Usage
    -----
    find_package(MeshViewerDependencies)

    Target
    ---------
    MeshViewerDependencies: INTERFACE target to link against.

    Author
    ------
    TechSoft3D
#]=======================================================================]

find_path(GLAD_INCLUDE_DIR
    NAMES "glad"
    PATHS
    ${CMAKE_CURRENT_SOURCE_DIR}/external/glad/include
    ${CMAKE_CURRENT_BINARY_DIR}/external/glad/include
)

find_path(GLM_INCLUDE_DIR
    NAMES "glm"
    PATHS
    ${CMAKE_CURRENT_SOURCE_DIR}/external/glm/include
    ${CMAKE_CURRENT_BINARY_DIR}/external/glm/include
)

find_path(GLFW_INCLUDE_DIR
    NAMES "GLFW"
    PATHS
    ${CMAKE_CURRENT_SOURCE_DIR}/external/GLFW/include
    ${CMAKE_CURRENT_BINARY_DIR}/external/GLFW/include
)

find_path(PUGI_INCLUDE_DIR
    NAMES "pugixml.hpp"
    PATHS
    ${CMAKE_CURRENT_SOURCE_DIR}/external/pugixml/include
    ${CMAKE_CURRENT_BINARY_DIR}/external/pugixml/include
)

# MeshViewer available only on x86 and x64
if(${CMAKE_SIZEOF_VOID_P} EQUAL 4)
    set(hoops_arch_dir "x86")
else()
    set(hoops_arch_dir "x86_64")
endif()

find_library(GLAD_LIBRARY
    NAMES "glad"
    PATHS
        ${CMAKE_CURRENT_SOURCE_DIR}/external/glad/lib/${hoops_arch_dir}
        ${CMAKE_CURRENT_BINARY_DIR}/external/glad/lib/${hoops_arch_dir}
)

find_library(GLFW_LIBRARY
    NAMES glfw glfw3dll
    PATHS
        ${CMAKE_CURRENT_SOURCE_DIR}/external/GLFW/lib/${hoops_arch_dir}
        ${CMAKE_CURRENT_BINARY_DIR}/external/GLFW/lib/${hoops_arch_dir}
)

if (WIN32)
    set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .dll)
    find_library(GLFW_LIBRARY_DLL
        NAMES "glfw3"
        PATHS
            ${CMAKE_CURRENT_SOURCE_DIR}/external/GLFW/dll/${hoops_arch_dir}
            ${CMAKE_CURRENT_BINARY_DIR}/external/GLFW/dll/${hoops_arch_dir}
    )
endif()

# Create the MeshViewerDependencies target
add_library(MeshViewerDependencies INTERFACE)

# Set include directories
target_include_directories(MeshViewerDependencies INTERFACE
    ${GLAD_INCLUDE_DIR}
    ${GLM_INCLUDE_DIR}
    ${GLFW_INCLUDE_DIR}
    ${PUGI_INCLUDE_DIR}
)

# Set libraries to link
target_link_libraries(MeshViewerDependencies INTERFACE
    ${GLAD_LIBRARY}
    ${GLFW_LIBRARY}
    ${CMAKE_DL_LIBS}
)

# Check if the target is correctly configured
if(TARGET MeshViewerDependencies)
    set(MeshViewer_FOUND TRUE)
    message(STATUS "MeshViewerDependencies found")
else()
    set(MeshViewer_FOUND FALSE)
    if(MeshViewerDependencies_FIND_REQUIRED)
        message(FATAL_ERROR "MeshViewerDependencies not found (required)")
    else()
        message(WARNING "MeshViewerDependencies not found")
    endif()
    message(STATUS "MeshViewerDependencies not found")
endif()