#!/bin/bash

set -euo pipefail

if [[ $# -gt 1 ]]; then
    echo "Usage: $0 [OUTPUT.AppImage]" >&2
    exit 2
fi

script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
repo_root="$(cd -- "$script_dir/../.." && pwd)"
output="${1:-$repo_root/KompAC.AppImage}"
work_dir="$(mktemp -d /tmp/komp-ac-appimage-build.XXXXXX)"
cleanup() {
    case "$work_dir" in
        /tmp/komp-ac-appimage-build.*)
            rm -rf -- "$work_dir"
            ;;
        *)
            echo "Refusing to remove unexpected temporary directory: $work_dir" >&2
            ;;
    esac
}
trap cleanup EXIT INT TERM HUP

(
    cd -- "$repo_root"
    nix build '.?submodules=1#portable-server' --out-link "$work_dir/portable-server"
)

set +e
(
    cd -- "$repo_root/client-gui2"
    yarn tauri build --bundles appimage --features full-embed
)
tauri_status=$?
set -e

shopt -s nullglob
gui_appimages=("$repo_root"/client-gui2/src-tauri/target/release/bundle/appimage/*.AppImage)
gui_bundle=""
if [[ $tauri_status -eq 0 && ${#gui_appimages[@]} -gt 0 ]]; then
    gui_bundle="${gui_appimages[0]}"
    for candidate in "${gui_appimages[@]:1}"; do
        if [[ "$candidate" -nt "$gui_bundle" ]]; then
            gui_bundle="$candidate"
        fi
    done
fi

if [[ -z "$gui_bundle" ]]; then
    gui_appdir="$repo_root/client-gui2/src-tauri/target/release/bundle/appimage/komp_ac.AppDir"
    if [[ -d "$gui_appdir" ]] && \
        cmp -s \
            "$repo_root/client-gui2/src-tauri/target/release/client-gui2" \
            "$gui_appdir/usr/bin/client-gui2"; then
        gui_bundle="$gui_appdir"
        echo "Tauri did not emit a current GUI AppImage; using its completed AppDir"
    else
        echo "The Tauri build did not produce a current GUI AppImage or AppDir" >&2
        exit "${tauri_status:-1}"
    fi
fi

if [[ $tauri_status -ne 0 ]]; then
    echo "Continuing because the release GUI and its AppDir were completed before linuxdeploy failed"
fi

"$script_dir/assemble.sh" \
    "$gui_bundle" \
    "$work_dir/portable-server/bin/server" \
    embedded \
    "$output"