#!/bin/sh
set -eu

root=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
task="$root/catalog/maidn-preview-orphan-reconciler.yaml"
tmp=$(mktemp -d)
trap 'rm -rf "$tmp"' EXIT

! grep -q 'secretKeyRef' "$task"
grep -qF 'key: forgejo-origin' "$task"
awk '
  /    - name: reconcile/ { found=1 }
  found && /^      script: \|/ { script=1; next }
  script && /^    - name:/ { exit }
  script { sub(/^        /, ""); print }
' "$task" > "$tmp/reconcile.sh"

mkdir "$tmp/bin" "$tmp/fixture"
cat > "$tmp/bin/git" <<'EOF'
#!/bin/sh
set -eu
case "$1" in
  clone)
    for arg; do target=$arg; done
    cp -R "$TEST_FIXTURE" "$target"
    ;;
  -C)
    shift 2
    case "$1" in
      remote)
        [ "$2" = get-url ] && [ "$3" = origin ] || exit 1
        printf '%s\n' "$TEST_ORIGIN"
        ;;
      rev-parse|config|add|push) exit 0 ;;
      diff) exit 1 ;;
    esac
    ;;
  diff) exit 1 ;;
  commit)
    [ ! -e "$PWD/apps/previews/web-ui-pr-42" ]
    ! grep -qF '  - web-ui-pr-42' "$PWD/apps/previews/kustomization.yaml"
    ;;
  config|add|push) exit 0 ;;
  *) exit 1 ;;
esac
EOF
chmod +x "$tmp/bin/git"

marker() {
  cat <<'EOF'
apiVersion: v1
kind: ConfigMap
metadata:
  name: maidn-preview-owner
  namespace: web-ui-pr-42
  labels:
    maidn.io/preview-owner: "true"
    maidn.io/preview-app: "web-ui"
    maidn.io/preview-pr: "42"
  annotations:
    maidn.io/preview-repository: "platform/web-ui"
data:
  app: "web-ui"
  repository: "platform/web-ui"
  pr-number: "42"
EOF
}

fixture() {
  dir=$1
  mkdir -p "$dir/apps/previews/web-ui-pr-42"
  cat > "$dir/apps/previews/kustomization.yaml" <<'EOF'
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
resources:
  - web-ui-pr-42
EOF
  marker > "$dir/apps/previews/web-ui-pr-42/ownership.yaml"
  : > "$dir/apps/previews/web-ui-pr-42/namespace.yaml"
  : > "$dir/apps/previews/web-ui-pr-42/values.yaml"
  : > "$dir/apps/previews/web-ui-pr-42/kustomization.yaml"
  : > "$dir/apps/previews/web-ui-pr-42/release.yaml"
}

run() {
  TRUSTED_FORGEJO_ORIGIN=https://git.example.invalid \
  TRUSTED_MANIFESTS_URL=https://git.example.invalid/platform/manifests.git \
  TRUSTED_MANIFESTS_BRANCH=main APP_NAME="$1" APP_REPOSITORY=platform/web-ui PR_NUMBER=42 \
  TEST_FIXTURE="$tmp/fixture" PATH="$tmp/bin:$PATH" \
  TEST_ORIGIN="${TEST_ORIGIN:-https://git.example.invalid/platform/manifests.git}" \
  sh "$tmp/reconcile.sh"
}

fixture "$tmp/fixture"
run web-ui
[ -f "$tmp/fixture/apps/previews/web-ui-pr-42/ownership.yaml" ]
grep -qF '  - web-ui-pr-42' "$tmp/fixture/apps/previews/kustomization.yaml"

rm -rf "$tmp/fixture"
fixture "$tmp/fixture"
printf '\n' >> "$tmp/fixture/apps/previews/web-ui-pr-42/ownership.yaml"
if run web-ui; then exit 1; fi
[ -f "$tmp/fixture/apps/previews/web-ui-pr-42/ownership.yaml" ]

rm -rf "$tmp/fixture"
fixture "$tmp/fixture"
rm "$tmp/fixture/apps/previews/web-ui-pr-42/ownership.yaml"
ln -s /tmp/not-owned "$tmp/fixture/apps/previews/web-ui-pr-42/ownership.yaml"
if run web-ui; then exit 1; fi

rm -rf "$tmp/fixture"
fixture "$tmp/fixture"
TEST_ORIGIN=https://git.example.invalid/platform/other.git
if run web-ui; then exit 1; fi
if run 'web-ui/escape'; then exit 1; fi