include("${CURRENT_HOST_INSTALLED_DIR}/share/vcpkg-cmake-get-vars/vcpkg-port-config.cmake")
# Overwrite builtin scripts
include("${CMAKE_CURRENT_LIST_DIR}/vcpkg_configure_meson.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/vcpkg_install_meson.cmake")

set(meson_short_hash 4452e3)

# Setup meson:
set(program MESON)
set(program_version 1.9.0)
set(program_name meson)
set(search_names meson meson.py)
set(ref "${program_version}")
set(path_to_search "${DOWNLOADS}/tools/meson-${program_version}-${meson_short_hash}")
set(download_urls "https://github.com/mesonbuild/meson/archive/${ref}.tar.gz")
set(download_filename "meson-${ref}.tar.gz")
set(download_sha512 ecd69b6734be14c467f7db67dd88c0e57ebfad83ce3ddada131ff3e43ac964523e1083d7c7f3803033a9a76adbc32ad26dd2e3aca69884269000ca64130bde07)

find_program(SCRIPT_MESON NAMES ${search_names} PATHS "${path_to_search}" NO_DEFAULT_PATH) # NO_DEFAULT_PATH due top patching

if(NOT SCRIPT_MESON)
    vcpkg_download_distfile(archive_path
        URLS ${download_urls}
        SHA512 "${download_sha512}"
        FILENAME "${download_filename}"
    )
    file(REMOVE_RECURSE "${path_to_search}")
    file(REMOVE_RECURSE "${path_to_search}-tmp")
    file(MAKE_DIRECTORY "${path_to_search}-tmp")
    file(ARCHIVE_EXTRACT INPUT "${archive_path}"
        DESTINATION "${path_to_search}-tmp"
        #PATTERNS "**/mesonbuild/*" "**/*.py"
        )
    z_vcpkg_apply_patches(
        SOURCE_PATH "${path_to_search}-tmp/meson-${ref}"
        PATCHES
            "${CMAKE_CURRENT_LIST_DIR}/meson-intl.patch"
            "${CMAKE_CURRENT_LIST_DIR}/adjust-python-dep.patch"
            "${CMAKE_CURRENT_LIST_DIR}/adjust-args.patch"
            "${CMAKE_CURRENT_LIST_DIR}/remove-pkgconfig-specialization.patch"
            "${CMAKE_CURRENT_LIST_DIR}/meson-56879d5.diff"
    )
    file(MAKE_DIRECTORY "${path_to_search}")
    file(RENAME "${path_to_search}-tmp/meson-${ref}/meson.py" "${path_to_search}/meson.py")
    file(RENAME "${path_to_search}-tmp/meson-${ref}/mesonbuild" "${path_to_search}/mesonbuild")
    file(REMOVE_RECURSE "${path_to_search}-tmp")
    set(SCRIPT_MESON "${path_to_search}/meson.py")
endif()

# Check required python version
vcpkg_find_acquire_program(PYTHON3)
vcpkg_execute_in_download_mode(
    COMMAND "${PYTHON3}" --version
    OUTPUT_VARIABLE version_contents
    WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}"
)
string(REGEX MATCH [[[0-9]+\.[0-9]+\.[0-9]+]] python_ver "${version_contents}")

set(min_required 3.7)
if(python_ver VERSION_LESS "${min_required}")
    message(FATAL_ERROR "Found Python version '${python_ver} at ${PYTHON3}' is insufficient for meson. meson requires at least version '${min_required}'")
else()
    message(STATUS "Found Python version '${python_ver} at ${PYTHON3}'")
endif()

message(STATUS "Using meson: ${SCRIPT_MESON}")