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

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
TMP_DIR="$(mktemp -d)"
trap 'rm -rf "${TMP_DIR}"' EXIT
BIN_DIR="${TMP_DIR}/bin"
LOG_FILE="${TMP_DIR}/calls.log"
mkdir -p "${BIN_DIR}"

cat >"${BIN_DIR}/id" <<'EOF'
#!/usr/bin/env bash
set -Eeuo pipefail
if [[ "${1:-}" == "-u" && "${2:-}" == "couch" ]]; then
  exit 1
fi
exec /usr/bin/id "$@"
EOF

cat >"${BIN_DIR}/useradd" <<EOF
#!/usr/bin/env bash
set -Eeuo pipefail
printf 'useradd %s\n' "\$*" >>"${LOG_FILE}"
EOF

chmod 0755 "${BIN_DIR}/id" "${BIN_DIR}/useradd"

output="$(
  PATH="${BIN_DIR}:${PATH}" \
  bash -c '
    set -Eeuo pipefail
    source "'"${REPO_ROOT}"'/setup.sh"
    MODE="dry-run"
    COUCH_UID=""
    ensure_couch_user
    ensure_runtime_config
  '
)"

grep -Fq '[dry-run] useradd --create-home --home-dir /home/couch --shell /bin/bash --user-group couch' <<<"${output}"
grep -Fq '/run/user/<missing-couch-uid>' <<<"${output}"

check_output_file="${TMP_DIR}/check.out"
set +e
PATH="${BIN_DIR}:${PATH}" bash "${REPO_ROOT}/setup.sh" --phase couch --check >"${check_output_file}" 2>&1
status=$?
set -e

if [[ "${status}" -eq 0 ]]; then
  printf 'expected setup --check to fail on missing couch user\n' >&2
  exit 1
fi

grep -Fq '[check] FAIL couch user missing' "${check_output_file}"
grep -Fq '[check] FAIL /home/couch/.config/couchd/runtime.json missing' "${check_output_file}"