run_tests

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

PROJECT_ROOT="$(cd "$(dirname "$0")" && pwd)"
HARNESS_DIR="$PROJECT_ROOT/test-harness"
export SNAP_HARNESS_CALLER_CWD="$PWD"
lang=""
has_candidate=false
passthrough=()

die() { printf '\033[1;31merror:\033[0m %s\n' "$*" >&2; exit 2; }

while [ $# -gt 0 ]; do
  case "$1" in
    --lang)
      [ $# -ge 2 ] || die "--lang requires ts, rust, or scala"
      case "$2" in ts|rust|scala) lang="$2" ;; *) die "unknown language: $2" ;; esac
      shift 2
      ;;
    --candidate)
      [ $# -ge 2 ] || die "--candidate requires a path"
      has_candidate=true
      passthrough+=("$1" "$2")
      shift 2
      ;;
    -h|--help)
      cat <<'EOF'
Usage: verify [--lang ts|rust|scala | --candidate PATH] [options]

  --lang LANGUAGE    bundled implementation to test (default: latest modified)
  --candidate PATH   arbitrary executable to test
  --tests PATH       alternate YAML directory
  --filter TEXT      filename/name substring
  --verbose, -v      print candidate output
  --keep-failed      preserve failed sandboxes
  --summary PATH     write plain-text summary
  --list             validate and list tests
EOF
      exit 0
      ;;
    *) passthrough+=("$1"); shift ;;
  esac
done

[ -z "$lang" ] || ! $has_candidate || die "--lang and --candidate cannot be combined"

command -v node >/dev/null || die "node is not installed"
command -v npm >/dev/null || die "npm is not installed"

if [ ! -d "$HARNESS_DIR/node_modules" ]; then
  printf '\033[1;34m=>\033[0m Installing Snap test-harness dependencies (first run)…\n' >&2
  (cd "$HARNESS_DIR" && npm ci --silent)
fi

wrapper=""
if [ -n "$lang" ]; then
  if [ -d "$PROJECT_ROOT/solutions/$lang" ]; then
    implementation_root="$PROJECT_ROOT/solutions/$lang"
  else
    implementation_root="$PROJECT_ROOT/$lang"
  fi
  case "$lang" in
    ts) [ -d "$implementation_root/node_modules" ] || (cd "$implementation_root" && npm ci --silent) ;;
    rust) (cd "$implementation_root" && cargo build --quiet) ;;
    scala) (cd "$implementation_root" && sbt -batch assembly >/dev/null) ;;
  esac

  wrapper="$(mktemp "${TMPDIR:-/tmp}/snap-${lang}.XXXXXX")"
  trap 'rm -f "$wrapper"' EXIT
  printf '#!/bin/sh\nexec "%s/run" --lang "%s" "$@"\n' "$PROJECT_ROOT" "$lang" > "$wrapper"
  chmod +x "$wrapper"
  passthrough+=("--candidate" "$wrapper")
fi

cd "$HARNESS_DIR"
npx tsx src/cli.ts "${passthrough[@]+"${passthrough[@]}"}"