#!/usr/bin/env -S bash ../.port_include.sh
port='ncurses'
version='6.5'
useconfigure='true'
configopts=(
    '--enable-pc-files'
    '--enable-sigwinch'
    '--enable-term-driver'
    '--with-pkg-config=/usr/local/lib/pkgconfig'
    '--with-pkg-config-libdir=/usr/local/lib/pkgconfig'
    '--with-shared'
    '--without-ada'
    '--enable-widec'
    "--with-strip-program=$STRIP"
    'CFLAGS=-std=c17'
)
files=(
    "https://invisible-mirror.net/archives/ncurses/ncurses-${version}.tar.gz#136d91bc269a9a5785e5f9e980bc76ab57428f604ce3e5a5a90cebc767971cc6"
)

check_tic_version() {
    local tic_path="$1"

    # "ncurses A.B.C" -> "A.B.C" -> "A"
    local major_version="$("${tic_path}" -V | cut -d ' ' -f2 | cut -d '.' -f1)"

    [ "$major_version" -ge 6 ]
}

get_tic_path() {
    # Installation involves generating terminfo files using `tic`.
    # It seems MacOS ships with an older version of ncurses which has a
    # `tic` binary that cannot properly parse the `terminfo.src` that ships
    # with the version we build.
    # So ensure that at least tic 6.0 is available.
    # See https://github.com/termux/termux-packages/issues/4487#issuecomment-626277493
    # and https://lists.gnu.org/archive/html/bug-ncurses/2019-07/msg00020.html.

    if command -v tic >/dev/null; then
        if check_tic_version 'tic'; then
            echo 'tic'
            return 0
        else
            # Check for Homebrew installation.
            if command -v brew >/dev/null; then
                local cellar_path="$(brew --cellar ncurses)"
                local highest_version="$(ls "${cellar_path}" | head -1)"
                local tic_path="${cellar_path}/${highest_version}/bin/tic"

                if check_tic_version "${tic_path}"; then
                    echo "${tic_path}"
                    return 0
                fi
            fi
        fi
    fi

    return 1
}

pre_configure() {
    export CPPFLAGS='-P'
}

install() {
    local tic_path="$(get_tic_path)"
    if [ ! $? ]; then
        echo 'Error: installing cross-compiled ncurses requires locally installed ncurses >= 6.0'
        exit 1
    fi

    echo "Using ${tic_path} from $(${tic_path} -V)"

    export TIC_PATH="${tic_path}"
    run make DESTDIR="${DESTDIR}" "${installopts[@]}" install
}

post_install() {
    # Compatibility symlinks for merged libraries.
    for lib in tinfo tic curses; do
        ln -svf libncursesw.so "${MINERVA_INSTALL_ROOT}/usr/local/lib/lib${lib}w.so"
    done

    # Compatibility symlinks for non-w libraries.
    for lib in form menu ncurses ncurses++ panel tinfo tic curses; do
        ln -svf "lib${lib}w.so" "${MINERVA_INSTALL_ROOT}/usr/local/lib/lib${lib}.so"
    done

    # Compatibility symlink for the include folder.
    # Target folder has to be removed, otherwise we will get `/usr/local/include/ncurses/ncursesw`.
    rm -rf "${MINERVA_INSTALL_ROOT}/usr/local/include/ncurses"
    ln -svf ncursesw "${MINERVA_INSTALL_ROOT}/usr/local/include/ncurses"

    # Compatibility symlink for ports that expect `/usr/local/include/curses.h` and friends.
    # FIXME: Is there a logical explanation for all of this? If so, we should clean it up at some point.
    for file in $(ls "${MINERVA_INSTALL_ROOT}/usr/local/include/ncursesw"); do
        ln -svf "ncursesw/${file}" "${MINERVA_INSTALL_ROOT}/usr/local/include/${file}"
    done
}