#!/usr/bin/env bash
# Run EVERY external-validation harness in one shot, with a PASS/FAIL summary.
#
# The unit suite is partly self-referential (our parsers validate our
# builders); these harnesses are the real oracle — independent implementations
# (secsgem-py, secs4java8, Wireshark) judging our wire behaviour. This script
# exists so they run routinely, not "when someone remembers".
#
#   tools/run_interop.sh              # everything
#   SKIP_SECS4J=1 tools/run_interop.sh   # skip the (slow) Java image build
#
# Steps (each independently PASS/FAIL, all attempted, nonzero exit if any fail):
#   build         compose builder (cmake + ninja, includes secs_gemd)
#   unit          secsgem_tests          (full C++ suite)
#   daemon-unit   secs_gemd_tests        (in-process gRPC service tests)
#   py-host       secsgem-py active host vs C++ secs_server     (31 checks)
#   conformance   secs_conformance C++ host vs C++ secs_server  (47 checks)
#   daemon        gRPC tool + secsgem-py host vs secs_gemd      (bridge proof)
#   spool         spool persistence across a server restart
#   tshark        Wireshark HSMS dissector on a live capture
#   secs4j        secs4java8 Java host vs C++ secs_server       (55 checks)
#
# Requires: docker compose. Runs from any cwd.
set -u
cd "$(dirname "${BASH_SOURCE[0]}")/.."

declare -a NAMES RESULTS
overall=0

note()  { printf '\n\033[1m== %s ==\033[0m\n' "$*"; }
record() {  # record <name> <exit-code>
  NAMES+=("$1"); RESULTS+=("$2")
  if [ "$2" -ne 0 ]; then overall=1; fi
}

compose() { docker compose "$@"; }

stop_services() { compose stop server gemd server-spool >/dev/null 2>&1 || true; }
trap stop_services EXIT

# ---- build -----------------------------------------------------------------
# -j 2: unbounded ninja at -O3 OOM-kills cc1plus in memory-constrained Docker
# VMs (macOS Docker Desktop). Two jobs is reliably safe and still fast.
note "build (compose builder, -j 2)"
compose run --rm builder bash -lc \
  "cmake -S /app -B /app/build -G Ninja -DCMAKE_BUILD_TYPE=Release && \
   cmake --build /app/build -j 2"
build_rc=$?
record build $build_rc
if [ "$build_rc" -ne 0 ]; then
  echo "build failed — aborting (everything below needs the binaries)"
  exit 1
fi

# ---- unit suites -----------------------------------------------------------
note "unit: secsgem_tests"
compose run --rm builder /app/build/secsgem_tests; record unit $?

note "daemon-unit: secs_gemd_tests"
if compose run --rm builder test -x /app/build/secs_gemd_tests; then
  compose run --rm builder /app/build/secs_gemd_tests; record daemon-unit $?
else
  echo "secs_gemd_tests not built (grpc missing from toolchain?) — FAIL"
  record daemon-unit 1
fi

# ---- secsgem-py host vs C++ server ------------------------------------------
note "py-host: secsgem-py GemHostHandler vs secs_server"
compose up -d --no-deps server
sleep 2
compose run --rm --no-deps interop python3 host_vs_cpp_server.py --host server
record py-host $?
compose stop server >/dev/null 2>&1

# ---- C++ conformance host vs C++ server -------------------------------------
note "conformance: secs_conformance vs secs_server"
compose up -d --no-deps server
sleep 2
compose run --rm builder /app/build/secs_conformance --host server --port 5000
record conformance $?
compose stop server >/dev/null 2>&1

# ---- daemon: gRPC tool + secsgem-py host vs secs_gemd ------------------------
note "daemon: gRPC + secsgem-py vs secs_gemd"
compose up -d --no-deps gemd
sleep 2
compose run --rm --no-deps interop \
  python3 daemon_interop.py --grpc gemd:50051 --hsms-host gemd
record daemon $?
compose stop gemd >/dev/null 2>&1

# ---- spool persistence across restart ---------------------------------------
note "spool: persistence across server restart"
(
  set -e
  compose up -d --no-deps server-spool
  sleep 2
  compose run --rm --no-deps interop \
    python3 spool_persistence_test.py --phase enqueue --host server-spool
  compose restart server-spool
  sleep 2
  compose run --rm --no-deps interop \
    python3 spool_persistence_test.py --phase drain --host server-spool
)
record spool $?
compose stop server-spool >/dev/null 2>&1

# ---- Wireshark dissector ------------------------------------------------------
note "tshark: Wireshark HSMS dissector"
compose run --rm builder bash interop/tshark_validate.sh
record tshark $?

# ---- secs4java8 ---------------------------------------------------------------
if [ "${SKIP_SECS4J:-0}" = "1" ]; then
  echo "secs4j skipped (SKIP_SECS4J=1)"
else
  note "secs4j: secs4java8 host vs secs_server"
  bash interop/secs4j_validate.sh; record secs4j $?
fi

# ---- summary -----------------------------------------------------------------
printf '\n\033[1m== interop summary ==\033[0m\n'
for i in "${!NAMES[@]}"; do
  if [ "${RESULTS[$i]}" -eq 0 ]; then
    printf '  \033[32mPASS\033[0m  %s\n' "${NAMES[$i]}"
  else
    printf '  \033[31mFAIL\033[0m  %s (exit %s)\n' "${NAMES[$i]}" "${RESULTS[$i]}"
  fi
done
exit $overall