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

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
# shellcheck source=scripts/build/release_common.sh
source "$SCRIPT_DIR/release_common.sh"

usage() {
    cat <<'EOF'
Usage: scripts/build/push_docker_multiarch.sh --version X.Y.Z [options]

Options:
  --version VERSION         Release version (required)
  --git-hash HASH           Short git hash to tag alongside the version
  --image IMAGE             Docker image name (default: docker.io/jkingsman/remoteterm-meshcore)
  --platforms CSV           Buildx platforms CSV (default: linux/amd64,linux/arm64)
  --help                    Show this message
EOF
}

VERSION=""
GIT_HASH=""
IMAGE="docker.io/jkingsman/remoteterm-meshcore"
PLATFORMS="linux/amd64,linux/arm64"

while [ $# -gt 0 ]; do
    case "$1" in
        --version)
            VERSION="${2:-}"
            shift 2
            ;;
        --git-hash)
            GIT_HASH="${2:-}"
            shift 2
            ;;
        --image)
            IMAGE="${2:-}"
            shift 2
            ;;
        --platforms)
            PLATFORMS="${2:-}"
            shift 2
            ;;
        --help)
            usage
            exit 0
            ;;
        *)
            usage >&2
            release_die "Unknown argument: $1"
            ;;
    esac
done

[ -n "$VERSION" ] || release_die "--version is required"
release_validate_version "$VERSION"

REPO_ROOT="$(release_repo_root)"
GIT_HASH="${GIT_HASH:-$(release_resolve_short_hash "$REPO_ROOT")}"

echo "[push_docker_multiarch] Ensuring docker buildx builder..." >&2
release_ensure_buildx_builder

docker_buildx_args=(
    build
    --platform "$PLATFORMS"
    --build-arg "COMMIT_HASH=$GIT_HASH"
    -t "$IMAGE:latest"
    -t "$IMAGE:$VERSION"
    -t "$IMAGE:$GIT_HASH"
    --push
    .
)

echo "[push_docker_multiarch] Building and pushing $IMAGE for $PLATFORMS..." >&2
(
    cd "$REPO_ROOT"
    docker buildx "${docker_buildx_args[@]}"
)