# Copyright 2019-2022, Collabora, Ltd.
# Copyright 2019, Benjamin Saunders <ben.e.saunders@gmail.com>
#
# SPDX-License-Identifier: BSL-1.0
#
# Maintained by:
# 2019-2022 Rylie Pavlik <rylie.pavlik@collabora.com> <rylie@ryliepavlik.com>

# Get input from main CMake script
set(MANIFEST_TEMPLATE @_genmanifest_MANIFEST_TEMPLATE@)
set(DESTINATION @_genmanifest_DESTINATION@)
set(OUT_FILENAME @_genmanifest_OUT_FILENAME@)
set(CONFIGURE_OUTPUT_FILE @_genmanifest_INTERMEDIATE_MANIFEST@)
set(IS_INSTALL @_genmanifest_IS_INSTALL@)
set(MANIFEST_DESCRIPTION "@_genmanifest_MANIFEST_DESCRIPTION@")
set(TARGET @_genmanifest_TARGET@)
# Target install dir relative to install prefix
set(RELATIVE_TARGET_DIR @_genmanifest_RELATIVE_TARGET_DIR@)
# Target so/dll filename
set(TARGET_FILENAME @TARGET_FILENAME@)
# The relative path from the manifest dir to the library. Optional.
set(TARGET_DIR_RELATIVE_TO_MANIFEST
    @_genmanifest_TARGET_DIR_RELATIVE_TO_MANIFEST@)
# Config option
set(ABSOLUTE_TARGET_PATH @_genmanifest_ABSOLUTE_TARGET_PATH@)

if(TARGET_PATH)
    # This is at build time, not install time
    set(CONFIGURE_OUTPUT_FILE "${OUT_FILE}")
elseif(ABSOLUTE_TARGET_PATH)
    # Absolute path to TARGET
    message(
        STATUS
            "Installing ${MANIFEST_DESCRIPTION} with absolute path to library")
    set(TARGET_PATH ${RELATIVE_TARGET_DIR}/${TARGET_FILENAME})
    if(NOT IS_ABSOLUTE ${RELATIVE_TARGET_DIR})
        set(TARGET_PATH ${CMAKE_INSTALL_PREFIX}/${TARGET_PATH})
    endif()
elseif(TARGET_DIR_RELATIVE_TO_MANIFEST)
    # Relative path to target.
    message(
        STATUS
            "Installing ${MANIFEST_DESCRIPTION} with JSON-relative path to library"
    )
    set(TARGET_PATH ${TARGET_DIR_RELATIVE_TO_MANIFEST}/${TARGET_FILENAME})
else()
    # Unqualified filename: requires it exist on the system shared library search path.
    message(
        STATUS
            "Installing ${MANIFEST_DESCRIPTION} with unqualified library filename (uses system search path)"
    )
    set(TARGET_PATH ${TARGET_FILENAME})
endif()

if(WIN32)
    # Windows really wants backslashes in the manifest, and they must be escaped.
    string(REPLACE "/" [[\\]] TARGET_PATH ${TARGET_PATH})
endif()

set(target_path ${TARGET_PATH})
# Create manifest
configure_file("${MANIFEST_TEMPLATE}" "${CONFIGURE_OUTPUT_FILE}")

if(IS_INSTALL)
    # Install it
    file(
        INSTALL
        DESTINATION "${CMAKE_INSTALL_PREFIX}/${DESTINATION}"
        TYPE FILE FILES "${CONFIGURE_OUTPUT_FILE}")
endif()