#!/bin/bash
# Build packages locally, then publish them from the repository host.
#
# The two halves of shipping a package built on a local machine: bin/build
# produces the artifacts, bin/push-build hands them to the host that owns the
# signing key and the complete repository.

set -e

SCRIPT_DIR=$(realpath "${BASH_SOURCE[0]%/*}")
BUILD_ROOT=$(realpath "$SCRIPT_DIR/..")
source "$BUILD_ROOT/helpers/message-helpers.sh"
source "$BUILD_ROOT/helpers/paths.sh"
source "$BUILD_ROOT/helpers/host-helpers.sh"

PACKAGES=()
PACKAGE_FLAG_GIVEN=false
HOST=""
REMOTE_ROOT=""
DRY_RUN=false
ASSUME_YES=false

print_header "Deploy (build + push)"

while [[ $# -gt 0 ]]; do
  case $1 in
  --arch)
    ARCH="$2"
    update_arch_paths
    shift 2
    ;;
  --mirror)
    MIRROR="$2"
    if [[ "$MIRROR" != "edge" && "$MIRROR" != "stable" ]]; then
      print_error "Invalid mirror: $MIRROR (must be 'edge' or 'stable')"
      exit 1
    fi
    update_arch_paths
    shift 2
    ;;
  --package)
    shift
    PACKAGE_FLAG_GIVEN=true
    while [[ $# -gt 0 && ! "$1" =~ ^-- ]]; do
      [[ -n "$1" ]] && PACKAGES+=("$1")
      shift
    done
    ;;
  --host)
    HOST="$2"
    shift 2
    ;;
  --remote-root)
    REMOTE_ROOT="$2"
    shift 2
    ;;
  --dry-run)
    DRY_RUN=true
    shift
    ;;
  -y | --yes)
    ASSUME_YES=true
    shift
    ;;
  -h | --help)
    echo "Usage: $0 [OPTIONS]"
    echo ""
    echo "Build packages here, then publish them from the repository host."
    echo ""
    echo "Options:"
    echo "  --arch <arch>          Target architecture (default: x86_64)"
    echo "  --mirror <mirror>      Mirror to publish to (edge or stable, default: edge)"
    echo "  --package <names>      Build and push only these packages (space-separated)"
    echo "  --host <host>          ssh destination (default: \$OMARCHY_REPO_HOST or .repo-host)"
    echo "  --remote-root <path>   Repository path on the host (default: /root/omarchy-pkgs)"
    echo "  --dry-run              Show the plan, build nothing and transfer nothing"
    echo "  -y, --yes              Do not ask for confirmation before publishing"
    echo "  -h, --help             Show this help message"
    echo ""
    echo "Examples:"
    echo "  $0 --package nvidia-580xx-utils"
    echo "  $0 --package nvidia-580xx-utils --host root@example.com"
    exit 0
    ;;
  *)
    print_error "Unknown option: $1"
    exit 1
    ;;
  esac
done

if [[ "$PACKAGE_FLAG_GIVEN" == true && ${#PACKAGES[@]} -eq 0 ]]; then
  print_error "--package requires at least one package name"
  exit 1
fi

# bin/build asks the local repository database what is already built. On a build
# machine that database does not exist, so every package looks unbuilt and an
# unscoped run rebuilds the entire repository and publishes it. Deploying from
# here is for the occasional heavy package, so name it.
if [[ ${#PACKAGES[@]} -eq 0 ]] && ! on_repo_host; then
  print_error "--package is required when deploying from a build machine"
  echo ""
  echo "There is no repository database in:"
  echo "  $REPO_DIR"
  echo ""
  echo "bin/build uses it to tell which packages are already built, so without it"
  echo "every package looks out of date and this would build and publish all of"
  echo "them. Name the package you came here to build:"
  echo "  bin/repo deploy --package <name>"
  echo ""
  echo "Unscoped builds belong on the repository host, where 'bin/repo release'"
  echo "does the same job against a real database."
  exit 1
fi

echo ""
print_info "This will:"
echo "  1. Build packages locally"
echo "  2. Upload them to the repository host"
echo "  3. Sign, promote, update and sync them there"
echo ""

BUILD_ARGS=("--arch" "$ARCH" "--mirror" "$MIRROR")
PUSH_ARGS=("--arch" "$ARCH" "--mirror" "$MIRROR")

if [[ ${#PACKAGES[@]} -gt 0 ]]; then
  BUILD_ARGS+=("--package" "${PACKAGES[@]}")
  PUSH_ARGS+=("--package" "${PACKAGES[@]}")
fi
[[ -n "$HOST" ]] && PUSH_ARGS+=("--host" "$HOST")
[[ -n "$REMOTE_ROOT" ]] && PUSH_ARGS+=("--remote-root" "$REMOTE_ROOT")
[[ "$DRY_RUN" == true ]] && BUILD_ARGS+=("--dry-run") && PUSH_ARGS+=("--dry-run")
[[ "$ASSUME_YES" == true ]] && PUSH_ARGS+=("--yes")

# Resolve the repository host before spending build time on packages that cannot ship.
if [[ "$DRY_RUN" != true ]]; then
  if ! resolve_repo_host "$HOST" >/dev/null; then
    print_no_repo_host
    exit 1
  fi
fi

print_info "Step 1/2: Building..."
echo ""
"$SCRIPT_DIR/build" "${BUILD_ARGS[@]}"
echo ""

print_info "Step 2/2: Pushing to the repository host..."
echo ""
"$SCRIPT_DIR/push-build" "${PUSH_ARGS[@]}"