#!/usr/bin/env bash
set -euo pipefail

root_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
linuxdeploy="${LINUXDEPLOY:-linuxdeploy-x86_64.AppImage}"
output_dir="${OUTPUT_DIR:-${root_dir}/dist}"
work_dir="$(mktemp -d)"
app_dir="${work_dir}/Comicviewer.AppDir"

cleanup() {
    rm -rf "${work_dir}"
}
trap cleanup EXIT

cargo build --manifest-path "${root_dir}/Cargo.toml" --release
mkdir -p "${output_dir}"
mkdir -p "${app_dir}/usr/share/metainfo"
install -m 0644 \
    "${root_dir}/data/io.github.comicviewer.Comicviewer.metainfo.xml" \
    "${app_dir}/usr/share/metainfo/io.github.comicviewer.Comicviewer.appdata.xml"

output_path="${output_dir}/Comicviewer-0.1.0-x86_64.AppImage"
export LDAI_OUTPUT="${output_path}"
export PATH="$(dirname "${linuxdeploy}"):${PATH}"
export APPIMAGE_EXTRACT_AND_RUN=1
export NO_STRIP=1

# The GTK plugin assumes this optional module directory exists on every distro.
gtk_plugin="$(command -v linuxdeploy-plugin-gtk.sh || true)"
if [[ -n "${gtk_plugin}" ]] && [[ ! -d "$(pkg-config --variable=libdir gtk4)/gtk-4.0" ]]; then
    patched_plugin="${work_dir}/linuxdeploy-plugin-gtk.sh"
    cp "${gtk_plugin}" "${patched_plugin}"
    sed -i 's|        copy_lib_tree "$gtk4_libdir" "$APPDIR/"|        if [ -d "$gtk4_libdir" ]; then copy_lib_tree "$gtk4_libdir" "$APPDIR/"; fi|' "${patched_plugin}"
    chmod +x "${patched_plugin}"
    export PATH="${work_dir}:${PATH}"
fi

"${linuxdeploy}" \
    --appdir "${app_dir}" \
    --executable "${root_dir}/target/release/comicviewer" \
    --desktop-file "${root_dir}/data/io.github.comicviewer.Comicviewer.desktop" \
    --icon-file "${root_dir}/data/io.github.comicviewer.Comicviewer.svg" \
    --custom-apprun "${root_dir}/packaging/AppRun" \
    --plugin gtk \
    --output appimage

echo "Created ${output_path}"