#!/usr/bin/env bash

JOB_AWARE_LIB_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
JOB_AWARE_NODE="${JOB_AWARE_LIB_DIR}/job-aware.mjs"
BENCH_JOB_TIMEOUT_MS="${BENCH_JOB_TIMEOUT_MS:-300000}"
BENCHMARK_FAILURES=0
BENCH_CHILD_EXIT_FAILURES=0
BENCH_OBSERVED_ROWS=0
BENCH_EXPECTED_ROWS=0

resolve_benchmark_response() {
  local base_url="$1" token="$2" status="$3" mime="$4" body_file="$5" output_file="$6"
  local admission_latency="$7" timeout_ms="${8:-$BENCH_JOB_TIMEOUT_MS}"
  local expected_mime="${9:-}" expected_zip_entries="${10:-}" oracle="${11:-}"
  local resolution rc
  local resolver_args=(
    --base-url "$base_url"
    --token "$token"
    --status "$status"
    --mime "${mime:-application/octet-stream}"
    --body "$body_file"
    --output "$output_file"
    --admission-latency "$admission_latency"
    --timeout-ms "$timeout_ms"
  )
  if [ -n "$expected_mime" ]; then
    resolver_args+=(--expected-mime "$expected_mime")
  fi
  if [ -n "$expected_zip_entries" ]; then
    resolver_args+=(--expected-zip-entries "$expected_zip_entries")
  fi
  if [ -n "$oracle" ]; then
    resolver_args+=(--oracle "$oracle")
  fi

  if resolution=$(node "$JOB_AWARE_NODE" "${resolver_args[@]}"); then
    rc=0
  else
    rc=$?
  fi

  IFS=$'\t' read -r \
    BENCH_PASS \
    BENCH_ADMISSION_STATUS \
    BENCH_COMPLETION_STATUS \
    BENCH_COMPLETION_LATENCY_S \
    BENCH_OUTPUT_SIZE \
    BENCH_OUTPUT_MIME \
    BENCH_ERROR <<< "$resolution"

  if [ "$rc" -ne 0 ]; then
    BENCHMARK_FAILURES=$((BENCHMARK_FAILURES + 1))
    return "$rc"
  fi
  return 0
}

benchmark_assert_success() {
  if [ "$BENCHMARK_FAILURES" -gt 0 ]; then
    echo "Benchmark failed: ${BENCHMARK_FAILURES} request(s) timed out or returned invalid output" >&2
    return 1
  fi
}

wait_for_benchmark_children() {
  local expected_rows="$1" results_file="$2"
  shift 2
  local pid
  BENCH_CHILD_EXIT_FAILURES=0
  BENCH_EXPECTED_ROWS="$expected_rows"

  for pid in "$@"; do
    if ! wait "$pid"; then
      BENCH_CHILD_EXIT_FAILURES=$((BENCH_CHILD_EXIT_FAILURES + 1))
    fi
  done

  BENCH_OBSERVED_ROWS=$(wc -l < "$results_file" | tr -d '[:space:]')
  if [ "$BENCH_CHILD_EXIT_FAILURES" -gt 0 ] || [ "$BENCH_OBSERVED_ROWS" -ne "$expected_rows" ]; then
    return 1
  fi
  return 0
}