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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
IMAGE_NAME="${APPIMAGE_DOCKER_IMAGE:-scanslicer-appimage-builder}"
HOST_UID="${HOST_UID:-$(id -u)}"
HOST_GID="${HOST_GID:-$(id -g)}"

if ! command -v docker >/dev/null 2>&1; then
    echo "Missing required command: docker" >&2
    exit 1
fi

docker build \
  -f "${ROOT_DIR}/packaging/appimage/Dockerfile" \
  -t "${IMAGE_NAME}" \
  "${ROOT_DIR}"

docker run --rm \
  -e HOST_UID="${HOST_UID}" \
  -e HOST_GID="${HOST_GID}" \
  -v "${ROOT_DIR}:/work" \
  -w /work \
  --entrypoint bash \
  "${IMAGE_NAME}" \
  -lc 'set -euo pipefail; bash packaging/appimage/build-appimage.sh; if [ -d /work/appimage ]; then chown -R "${HOST_UID}:${HOST_GID}" /work/appimage; fi'

echo "Docker AppImage build complete. Output in ${ROOT_DIR}/appimage/dist"