#!/usr/bin/env bash

set -Eeuo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." && pwd)"
AUTO_DEPLOY="$ROOT_DIR/deploy/scripts/auto-deploy.sh"
TEST_ROOT="$(mktemp -d)"
trap 'rm -rf "$TEST_ROOT"' EXIT

REVISION="1111111111111111111111111111111111111111"
PREVIOUS_REVISION="2222222222222222222222222222222222222222"
APP_DIGEST="$(printf 'a%.0s' {1..64})"
ROUTE_DIGEST="$(printf 'b%.0s' {1..64})"
PREVIOUS_APP_DIGEST="$(printf 'c%.0s' {1..64})"
PREVIOUS_ROUTE_DIGEST="$(printf 'd%.0s' {1..64})"
APP_IMAGE="registry.example/team/watermaps@sha256:$APP_DIGEST"
ROUTE_IMAGE="registry.example/team/watermaps-route-data@sha256:$ROUTE_DIGEST"
PREVIOUS_APP_IMAGE="registry.example/team/watermaps@sha256:$PREVIOUS_APP_DIGEST"
PREVIOUS_ROUTE_IMAGE="registry.example/team/watermaps-route-data@sha256:$PREVIOUS_ROUTE_DIGEST"
RELEASE_POINTER="registry.example/team/watermaps-release:main"
RELEASE_IMAGE="registry.example/team/watermaps-release:$REVISION"
FAKE_BIN="$TEST_ROOT/bin"
mkdir -p "$FAKE_BIN"

fail() {
  printf 'Fehler: %s\n' "$*" >&2
  exit 1
}

assert_contains() {
  local expected="$1"
  local actual="$2"
  grep -Fq -- "$expected" <<<"$actual" ||
    fail "Erwarteter Text fehlt: $expected"
}

assert_file_contains() {
  local expected="$1"
  local file="$2"
  grep -Fq -- "$expected" "$file" ||
    fail "$file enthält nicht: $expected"
}

assert_file_not_contains() {
  local unexpected="$1"
  local file="$2"
  if grep -Fq -- "$unexpected" "$file"; then
    fail "$file enthält unerwartet: $unexpected"
  fi
}

assert_no_temporary_artifacts() {
  local artifacts=()

  shopt -s nullglob
  artifacts+=(
    "$CASE_DATA/releases"/.candidate-*
    "$CASE_RUNTIME"/.auto-deploy-images.*
    "$CASE_INSTALL"/.current.*.new
  )
  shopt -u nullglob

  if (( ${#artifacts[@]} > 0 )); then
    printf 'Temporäre Artefakte wurden nicht aufgeräumt:\n' >&2
    printf '  %s\n' "${artifacts[@]}" >&2
    exit 1
  fi
}

write_images_file() {
  local destination="$1"
  local revision="$2"
  local app_image="$3"
  local route_image="$4"

  install -d -m 0755 "$(dirname "$destination")"
  {
    printf 'WATERMAPS_DEPLOY_REVISION=%s\n' "$revision"
    printf 'WATERMAPS_APP_IMAGE=%s\n' "$app_image"
    printf 'WATERMAPS_ROUTE_DATA_IMAGE=%s\n' "$route_image"
  } >"$destination"
  chmod 0600 "$destination"
}

cat >"$FAKE_BIN/fake-populate-release" <<'SH'
#!/usr/bin/env bash

set -Eeuo pipefail

destination="$1"
revision="$2"

mkdir -p \
  "$destination/deploy/nginx" \
  "$destination/deploy/scripts" \
  "$destination/deploy/systemd" \
  "$destination/database/migrations"

for file in \
  deploy/compose.production.yml \
  deploy/nginx/bootstrap.conf \
  deploy/nginx/https.conf.template \
  deploy/scripts/common.sh \
  deploy/scripts/auto-deploy.sh \
  deploy/scripts/auto-deploy-entrypoint.sh \
  deploy/scripts/bootstrap-server.sh \
  deploy/scripts/renew-certificate.sh \
  deploy/scripts/rollback.sh \
  deploy/scripts/update-route-data.sh \
  deploy/systemd/watermaps-auto-deploy.service \
  deploy/systemd/watermaps-auto-deploy.timer \
  deploy/systemd/watermaps-certbot-renew.service \
  deploy/systemd/watermaps-certbot-renew.timer \
  deploy/systemd/watermaps-route-update.service \
  deploy/systemd/watermaps-route-update.timer \
  database/schema.sql \
  database/migrations/0001_initial.sql; do
  printf 'Testinhalt für %s\n' "$file" >"$destination/$file"
done

cat >"$destination/deploy/scripts/deploy.sh" <<'DEPLOY'
#!/usr/bin/env bash

set -Eeuo pipefail

[[ "${1:-}" == "--images-file" && -n "${2:-}" ]] ||
  exit 97
images_file="$2"
revision="$(
  awk -F= '$1 == "WATERMAPS_DEPLOY_REVISION" { print substr($0, length($1) + 2) }' \
    "$images_file"
)"
app_image="$(
  awk -F= '$1 == "WATERMAPS_APP_IMAGE" { print substr($0, length($1) + 2) }' \
    "$images_file"
)"
route_image="$(
  awk -F= '$1 == "WATERMAPS_ROUTE_DATA_IMAGE" { print substr($0, length($1) + 2) }' \
    "$images_file"
)"

printf '%s|%s|%s|%s|%s|%s\n' \
  "$0" \
  "$revision" \
  "${WATERMAPS_DISABLE_INTERNAL_ROLLBACK:-}" \
  "$images_file" \
  "$app_image" \
  "$route_image" \
  >>"$FAKE_DEPLOY_LOG"

if [[ "$revision" == "$FAKE_REVISION" ]]; then
  [[ "$app_image" == "$FAKE_APP_IMAGE" ]] || exit 98
  [[ "$route_image" == "$FAKE_ROUTE_IMAGE" ]] || exit 99
  if [[ "${FAKE_DEPLOY_STATUS:-0}" -ne 0 ]]; then
    exit "$FAKE_DEPLOY_STATUS"
  fi
fi

cp "$images_file" "$WATERMAPS_ACTIVE_IMAGES_FILE"
DEPLOY
chmod 0755 "$destination/deploy/scripts/"*.sh

{
  printf 'format_version=1\n'
  printf 'revision=%s\n' "$revision"
  printf 'source=https://registry.example/team/watermaps\n'
  printf 'app_image=%s\n' "$FAKE_APP_IMAGE"
  printf 'route_data_image=%s\n' "$FAKE_ROUTE_IMAGE"
} >"$destination/release.env"

(
  cd "$destination"
  {
    sha256sum release.env
    find deploy database -type f -print |
      LC_ALL=C sort |
      xargs sha256sum
  } >SHA256SUMS
)

if [[ "${FAKE_CORRUPT_BUNDLE:-0}" == "1" ]]; then
  printf 'nachträgliche Manipulation\n' >>"$destination/database/schema.sql"
fi
SH

cat >"$FAKE_BIN/id" <<'SH'
#!/usr/bin/env bash
if [[ "${1:-}" == "-u" ]]; then
  printf '0\n'
else
  exec /usr/bin/id "$@"
fi
SH

cat >"$FAKE_BIN/mountpoint" <<'SH'
#!/usr/bin/env bash
exit 0
SH

cat >"$FAKE_BIN/curl" <<'SH'
#!/usr/bin/env bash
printf 'curl|%s\n' "$*" >>"$FAKE_CURL_LOG"
printf '{"commit":{"id":"%s"}}\n' "$FAKE_MAIN_REVISION"
SH

cat >"$FAKE_BIN/jq" <<'SH'
#!/usr/bin/env bash
set -Eeuo pipefail
input="$(tr -d '\r\n')"
revision="${input#*\"id\":\"}"
revision="${revision%%\"*}"
[[ "$revision" =~ ^[0-9a-f]{40}$ ]] || exit 1
printf '%s\n' "$revision"
SH

cat >"$FAKE_BIN/docker" <<'SH'
#!/usr/bin/env bash

set -Eeuo pipefail

printf 'docker|%s\n' "$*" >>"$FAKE_DOCKER_LOG"
command_name="${1:-}"
shift || true

case "$command_name" in
  pull)
    [[ -n "${1:-}" ]]
    ;;
  image)
    [[ "${1:-}" == "inspect" ]] || exit 91
    shift
    reference="${!#}"
    if [[ "$*" == *'org.opencontainers.image.revision'* ]]; then
      if [[ "$reference" == "$FAKE_RELEASE_POINTER" ]]; then
        printf '%s\n' "$FAKE_POINTER_REVISION"
      else
        printf '%s\n' "$FAKE_REVISION"
      fi
    elif [[ "$*" == *'{{.Id}}'* ]]; then
      if [[ "$reference" == "$FAKE_RELEASE_POINTER" ]]; then
        printf '%s\n' "$FAKE_POINTER_ID"
      else
        printf '%s\n' "$FAKE_IMMUTABLE_ID"
      fi
    elif [[ "$*" == *'.RepoDigests'* ]]; then
      [[ "$reference" == *@sha256:* ]] || exit 92
      printf '%s\n' "$reference"
    else
      exit 93
    fi
    ;;
  create)
    printf 'fake-release-container\n'
    ;;
  cp)
    [[ "${1:-}" == "fake-release-container:/release/." ]] || exit 94
    destination="${2%/}"
    fake-populate-release "$destination" "$FAKE_REVISION"
    ;;
  container)
    [[ "${1:-}" == "rm" ]] || exit 95
    ;;
  *)
    printf 'Unerwarteter Docker-Aufruf: %s %s\n' "$command_name" "$*" >&2
    exit 96
    ;;
esac
SH

cat >"$FAKE_BIN/install" <<'SH'
#!/usr/bin/env bash

set -Eeuo pipefail

if [[ "${1:-}" == "-d" ]]; then
  exec /usr/bin/install "$@"
fi

destination="${!#}"
if [[ "$destination" == "/usr/local/sbin/watermaps-auto-deploy" ]]; then
  source_file="${@: -2:1}"
  [[ -x "$source_file" ]]
  printf '%s\n' "watermaps-auto-deploy-entrypoint" >>"$FAKE_INSTALL_LOG"
  exit 0
fi
if [[ "$destination" == "/etc/systemd/system/" ]]; then
  source_file="${@: -2:1}"
  [[ -f "$source_file" ]]
  printf '%s\n' "$(basename "$source_file")" >>"$FAKE_INSTALL_LOG"
  exit 0
fi

exec /usr/bin/install "$@"
SH

cat >"$FAKE_BIN/systemctl" <<'SH'
#!/usr/bin/env bash
printf '%s\n' "$*" >>"$FAKE_SYSTEMCTL_LOG"
SH

chmod 0755 "$FAKE_BIN/"*
export PATH="$FAKE_BIN:/usr/bin:/bin"

new_case() {
  local name="$1"

  CASE_DIR="$TEST_ROOT/$name"
  CASE_DATA="$CASE_DIR/data"
  CASE_RUNTIME="$CASE_DIR/runtime"
  CASE_INSTALL="$CASE_DIR/install"
  CASE_ENV="$CASE_DIR/production.env"
  mkdir -p \
    "$CASE_DATA" \
    "$CASE_RUNTIME" \
    "$CASE_INSTALL/deploy"

  FAKE_DOCKER_LOG="$CASE_DIR/docker.log"
  FAKE_DEPLOY_LOG="$CASE_DIR/deploy.log"
  FAKE_SYSTEMCTL_LOG="$CASE_DIR/systemctl.log"
  FAKE_INSTALL_LOG="$CASE_DIR/install.log"
  FAKE_CURL_LOG="$CASE_DIR/curl.log"
  : >"$FAKE_DOCKER_LOG"
  : >"$FAKE_DEPLOY_LOG"
  : >"$FAKE_SYSTEMCTL_LOG"
  : >"$FAKE_INSTALL_LOG"
  : >"$FAKE_CURL_LOG"

  cat >"$CASE_ENV" <<EOF
WATERMAPS_DATA_DIR=$CASE_DATA
WATERMAPS_RUNTIME_DIR=$CASE_RUNTIME
WATERMAPS_POSTGRES_PASSWORD=0123456789abcdef0123456789abcdef
WATERMAPS_REGISTRY=registry.example
WATERMAPS_REGISTRY_OWNER=team
WATERMAPS_GITEA_REPOSITORY=team/watermaps
EOF

  export CASE_DIR CASE_DATA CASE_RUNTIME CASE_INSTALL
  export FAKE_DOCKER_LOG FAKE_DEPLOY_LOG FAKE_SYSTEMCTL_LOG
  export FAKE_INSTALL_LOG FAKE_CURL_LOG
  export FAKE_REVISION="$REVISION"
  export FAKE_MAIN_REVISION="$REVISION"
  export FAKE_POINTER_REVISION="$REVISION"
  export FAKE_POINTER_ID="sha256:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"
  export FAKE_IMMUTABLE_ID="$FAKE_POINTER_ID"
  export FAKE_RELEASE_POINTER="$RELEASE_POINTER"
  export FAKE_APP_IMAGE="$APP_IMAGE"
  export FAKE_ROUTE_IMAGE="$ROUTE_IMAGE"
  export FAKE_DEPLOY_STATUS=0
  export FAKE_CORRUPT_BUNDLE=0
  export WATERMAPS_ENV_FILE="$CASE_ENV"
  export WATERMAPS_INSTALL_DIR="$CASE_INSTALL"
}

populate_release() {
  local revision="$1"
  local destination="$CASE_DATA/releases/$revision"

  mkdir -p "$destination"
  fake-populate-release "$destination" "$revision"
}

run_auto_deploy() {
  set +e
  RUN_OUTPUT="$("$AUTO_DEPLOY" 2>&1)"
  RUN_STATUS=$?
  set -e
}

assert_systemd_installed() {
  local expected_units=(
    watermaps-auto-deploy.service
    watermaps-auto-deploy.timer
    watermaps-route-update.service
    watermaps-route-update.timer
    watermaps-certbot-renew.service
    watermaps-certbot-renew.timer
  )
  local unit

  [[ "$(wc -l <"$FAKE_INSTALL_LOG")" -eq "$((${#expected_units[@]} + 1))" ]] ||
    fail "Es wurden nicht exakt sechs Systemd-Units und der stabile Einstiegspunkt installiert."
  grep -Fxq "watermaps-auto-deploy-entrypoint" "$FAKE_INSTALL_LOG" ||
    fail "Stabiler Auto-Deploy-Einstiegspunkt wurde nicht installiert."
  for unit in "${expected_units[@]}"; do
    grep -Fxq "$unit" "$FAKE_INSTALL_LOG" ||
      fail "Systemd-Unit wurde nicht installiert: $unit"
  done
  grep -Fxq 'daemon-reload' "$FAKE_SYSTEMCTL_LOG" ||
    fail "systemctl daemon-reload fehlt."
  assert_file_contains \
    'enable --now watermaps-auto-deploy.timer watermaps-route-update.timer watermaps-certbot-renew.timer' \
    "$FAKE_SYSTEMCTL_LOG"
}

test_already_active_repairs_current_link() {
  new_case already-active
  mkdir -p "$CASE_DATA/releases"
  populate_release "$REVISION"
  write_images_file \
    "$CASE_INSTALL/deploy/.env.images" \
    "$REVISION" \
    "$APP_IMAGE" \
    "$ROUTE_IMAGE"
  mkdir -p "$CASE_DIR/wrong-release"
  ln -s "$CASE_DIR/wrong-release" "$CASE_INSTALL/current"

  run_auto_deploy

  [[ "$RUN_STATUS" -eq 0 ]] || fail "Bereits aktives Release schlug fehl: $RUN_OUTPUT"
  assert_contains "Der atomare Current-Link für Commit $REVISION wurde repariert." "$RUN_OUTPUT"
  assert_contains "Commit $REVISION ist bereits aktiv." "$RUN_OUTPUT"
  [[ "$(readlink --canonicalize "$CASE_INSTALL/current")" == \
      "$(readlink --canonicalize "$CASE_DATA/releases/$REVISION")" ]] ||
    fail "Current-Link wurde für das aktive Release nicht repariert."
  [[ ! -s "$FAKE_DEPLOY_LOG" ]] ||
    fail "Ein bereits aktives Release darf deploy.sh nicht erneut ausführen."
  assert_file_not_contains 'docker|create ' "$FAKE_DOCKER_LOG"
  assert_file_not_contains 'docker|cp ' "$FAKE_DOCKER_LOG"
  assert_systemd_installed
  assert_no_temporary_artifacts
}

test_successful_release_uses_manifest_digests() {
  new_case successful-release

  run_auto_deploy

  [[ "$RUN_STATUS" -eq 0 ]] || fail "Neues Release schlug fehl: $RUN_OUTPUT"
  assert_contains "Automatisches Deployment von Commit $REVISION abgeschlossen." "$RUN_OUTPUT"
  [[ -f "$CASE_DATA/releases/$REVISION/SHA256SUMS" ]] ||
    fail "Validiertes Release-Bundle wurde nicht atomar installiert."
  (
    cd "$CASE_DATA/releases/$REVISION"
    sha256sum --check --strict SHA256SUMS >/dev/null
  ) || fail "Installiertes Release-Bundle besteht seine SHA256-Prüfung nicht."
  [[ "$(readlink --canonicalize "$CASE_INSTALL/current")" == \
      "$(readlink --canonicalize "$CASE_DATA/releases/$REVISION")" ]] ||
    fail "Current-Link zeigt nicht auf das neue Release."

  [[ "$(wc -l <"$FAKE_DEPLOY_LOG")" -eq 1 ]] ||
    fail "Das neue Release muss deploy.sh exakt einmal ausführen."
  IFS='|' read -r invoked_script deployed_revision rollback_disabled \
    images_file deployed_app deployed_route <"$FAKE_DEPLOY_LOG"
  [[ "$invoked_script" == \
      "$CASE_DATA/releases/$REVISION/deploy/scripts/deploy.sh" ]] ||
    fail "deploy.sh wurde nicht aus dem unveränderlichen Release-Bundle ausgeführt."
  [[ "$deployed_revision" == "$REVISION" ]] ||
    fail "deploy.sh erhielt die falsche Revision."
  [[ "$rollback_disabled" == "true" ]] ||
    fail "Der interne Rollback muss beim orchestrierten Deployment deaktiviert sein."
  [[ "$images_file" == "$CASE_RUNTIME"/.auto-deploy-images.* ]] ||
    fail "deploy.sh erhielt keine temporäre, validierte Image-Datei."
  [[ "$deployed_app" == "$APP_IMAGE" && "$deployed_route" == "$ROUTE_IMAGE" ]] ||
    fail "deploy.sh erhielt nicht die im Release-Manifest gebundenen Digests."
  [[ ! -e "$images_file" ]] ||
    fail "Temporäre Image-Datei blieb nach dem Deployment bestehen."

  assert_file_contains "docker|pull $APP_IMAGE" "$FAKE_DOCKER_LOG"
  assert_file_contains "docker|pull $ROUTE_IMAGE" "$FAKE_DOCKER_LOG"
  assert_file_not_contains "docker|pull registry.example/team/watermaps:$REVISION" \
    "$FAKE_DOCKER_LOG"
  assert_file_contains "WATERMAPS_DEPLOY_REVISION=$REVISION" \
    "$CASE_INSTALL/deploy/.env.images"
  assert_file_contains "WATERMAPS_APP_IMAGE=$APP_IMAGE" \
    "$CASE_INSTALL/deploy/.env.images"
  assert_file_contains "WATERMAPS_ROUTE_DATA_IMAGE=$ROUTE_IMAGE" \
    "$CASE_INSTALL/deploy/.env.images"
  assert_systemd_installed
  assert_no_temporary_artifacts
}

test_pointer_main_mismatch_does_not_deploy() {
  new_case pointer-main-mismatch
  export FAKE_MAIN_REVISION="$PREVIOUS_REVISION"

  run_auto_deploy

  [[ "$RUN_STATUS" -eq 0 ]] ||
    fail "Pointer/main-Abweichung soll sauber warten: $RUN_OUTPUT"
  assert_contains \
    "Release $REVISION ist nicht der aktuelle main-Commit $PREVIOUS_REVISION" \
    "$RUN_OUTPUT"
  [[ ! -e "$CASE_DATA/releases/$REVISION" ]] ||
    fail "Bei Pointer/main-Abweichung darf kein Bundle extrahiert werden."
  [[ ! -L "$CASE_INSTALL/current" ]] ||
    fail "Bei Pointer/main-Abweichung darf Current nicht verändert werden."
  [[ ! -s "$FAKE_DEPLOY_LOG" ]] ||
    fail "Bei Pointer/main-Abweichung darf deploy.sh nicht laufen."
  [[ ! -s "$FAKE_SYSTEMCTL_LOG" && ! -s "$FAKE_INSTALL_LOG" ]] ||
    fail "Bei Pointer/main-Abweichung darf Systemd nicht verändert werden."
  assert_file_contains "docker|pull $RELEASE_POINTER" "$FAKE_DOCKER_LOG"
  assert_file_not_contains "docker|pull $RELEASE_IMAGE" "$FAKE_DOCKER_LOG"
  assert_file_not_contains 'docker|create ' "$FAKE_DOCKER_LOG"
  assert_no_temporary_artifacts
}

test_failed_release_restores_previous_immutable_release() {
  new_case failed-release
  mkdir -p "$CASE_DATA/releases" "$CASE_RUNTIME/deployments"
  populate_release "$PREVIOUS_REVISION"
  write_images_file \
    "$CASE_INSTALL/deploy/.env.images" \
    "$PREVIOUS_REVISION" \
    "$PREVIOUS_APP_IMAGE" \
    "$PREVIOUS_ROUTE_IMAGE"
  cp \
    "$CASE_INSTALL/deploy/.env.images" \
    "$CASE_RUNTIME/deployments/$PREVIOUS_REVISION.env"
  ln -s "$CASE_DATA/releases/$PREVIOUS_REVISION" "$CASE_INSTALL/current"
  export FAKE_DEPLOY_STATUS=42

  run_auto_deploy

  [[ "$RUN_STATUS" -eq 42 ]] ||
    fail "Fehlgeschlagenes Release muss seinen Status weitergeben: $RUN_OUTPUT"
  assert_contains \
    "Das vorherige Release $PREVIOUS_REVISION wird aus seinem unveränderlichen Bundle wiederhergestellt." \
    "$RUN_OUTPUT"
  assert_contains \
    "Vorheriges Release $PREVIOUS_REVISION wurde erneut geprüft und ist aktiv." \
    "$RUN_OUTPUT"
  [[ "$(wc -l <"$FAKE_DEPLOY_LOG")" -eq 2 ]] ||
    fail "Nach einem Fehler müssen Kandidat und vorheriges Release genau einmal laufen."

  candidate_log="$(sed -n '1p' "$FAKE_DEPLOY_LOG")"
  previous_log="$(sed -n '2p' "$FAKE_DEPLOY_LOG")"
  assert_contains \
    "$CASE_DATA/releases/$REVISION/deploy/scripts/deploy.sh|$REVISION|true|" \
    "$candidate_log"
  assert_contains "|$APP_IMAGE|$ROUTE_IMAGE" "$candidate_log"
  assert_contains \
    "$CASE_DATA/releases/$PREVIOUS_REVISION/deploy/scripts/deploy.sh|$PREVIOUS_REVISION|true|$CASE_RUNTIME/deployments/$PREVIOUS_REVISION.env|" \
    "$previous_log"
  assert_contains "|$PREVIOUS_APP_IMAGE|$PREVIOUS_ROUTE_IMAGE" "$previous_log"

  [[ "$(readlink --canonicalize "$CASE_INSTALL/current")" == \
      "$(readlink --canonicalize "$CASE_DATA/releases/$PREVIOUS_REVISION")" ]] ||
    fail "Current-Link wurde nach dem Fehler nicht auf das vorherige Release zurückgesetzt."
  assert_file_contains "WATERMAPS_DEPLOY_REVISION=$PREVIOUS_REVISION" \
    "$CASE_INSTALL/deploy/.env.images"
  [[ ! -s "$FAKE_SYSTEMCTL_LOG" && ! -s "$FAKE_INSTALL_LOG" ]] ||
    fail "Ein fehlgeschlagener Kandidat darf keine neuen Systemd-Units aktivieren."
  assert_no_temporary_artifacts
}

test_invalid_bundle_is_rejected_and_cleaned() {
  new_case corrupt-release
  export FAKE_CORRUPT_BUNDLE=1

  run_auto_deploy

  [[ "$RUN_STATUS" -ne 0 ]] ||
    fail "Ein manipuliertes Release-Bundle wurde akzeptiert."
  assert_contains "Release-Bundle hat die Integritätsprüfung nicht bestanden." "$RUN_OUTPUT"
  [[ ! -e "$CASE_DATA/releases/$REVISION" ]] ||
    fail "Manipuliertes Bundle wurde in den Release-Store verschoben."
  [[ ! -s "$FAKE_DEPLOY_LOG" ]] ||
    fail "Manipuliertes Bundle darf deploy.sh nicht ausführen."
  [[ ! -s "$FAKE_SYSTEMCTL_LOG" && ! -s "$FAKE_INSTALL_LOG" ]] ||
    fail "Manipuliertes Bundle darf Systemd nicht verändern."
  assert_file_contains 'docker|container rm fake-release-container' "$FAKE_DOCKER_LOG"
  assert_no_temporary_artifacts
}

test_stable_entrypoint_bootstraps_and_then_uses_current() {
  local entrypoint_root="$TEST_ROOT/stable-entrypoint"
  local output

  mkdir -p "$entrypoint_root/deploy/scripts"
  cat >"$entrypoint_root/deploy/scripts/auto-deploy.sh" <<'SH'
#!/usr/bin/env bash
printf 'bootstrap\n'
SH
  chmod 0755 "$entrypoint_root/deploy/scripts/auto-deploy.sh"

  output="$(
    WATERMAPS_INSTALL_DIR="$entrypoint_root" \
      "$ROOT_DIR/deploy/scripts/auto-deploy-entrypoint.sh"
  )"
  [[ "$output" == "bootstrap" ]] ||
    fail "Stabiler Einstiegspunkt verwendet vor dem ersten Release nicht das Bootstrap-Skript."

  mkdir -p "$entrypoint_root/current/deploy/scripts"
  cat >"$entrypoint_root/current/deploy/scripts/auto-deploy.sh" <<'SH'
#!/usr/bin/env bash
printf 'current\n'
SH
  chmod 0755 "$entrypoint_root/current/deploy/scripts/auto-deploy.sh"

  output="$(
    WATERMAPS_INSTALL_DIR="$entrypoint_root" \
      "$ROOT_DIR/deploy/scripts/auto-deploy-entrypoint.sh"
  )"
  [[ "$output" == "current" ]] ||
    fail "Stabiler Einstiegspunkt wechselt nach der Aktivierung nicht auf Current."
}

test_stable_entrypoint_bootstraps_and_then_uses_current
test_already_active_repairs_current_link
test_successful_release_uses_manifest_digests
test_pointer_main_mismatch_does_not_deploy
test_failed_release_restores_previous_immutable_release
test_invalid_bundle_is_rejected_and_cleaned

printf 'Auto-Deploy: Manifest-Digests, atomare Aktivierung und Rollback: OK\n'