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

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
BIN="${NYASH_BIN:-$ROOT/target/release/hakorune}"

if [ ! -x "$BIN" ]; then
  echo "[TEST] hakorune not built: $BIN" >&2
  echo "Run: cargo build --release" >&2
  exit 2
fi

TARGET_DIR="$ROOT/tools/hako_check/tests"
fail=0

run_case() {
  local dir="$1"
  local expected="$dir/expected.json"
  local input_ok="$dir/ok.hako"
  local input_ng="$dir/ng.hako"
  if [ ! -f "$expected" ]; then echo "[TEST] skip (no expected): $dir"; return; fi
  if [ ! -f "$input_ok" ] && [ ! -f "$input_ng" ]; then echo "[TEST] skip (no inputs): $dir"; return; fi
  local tmp_out="/tmp/hako_test_$$.json"
  NYASH_DISABLE_NY_COMPILER=1 HAKO_DISABLE_NY_COMPILER=1 \
  NYASH_PARSER_STAGE3=1 HAKO_PARSER_STAGE3=1 NYASH_PARSER_SEAM_TOLERANT=1 HAKO_PARSER_SEAM_TOLERANT=1 \
  NYASH_ENABLE_USING=1 HAKO_ENABLE_USING=1 NYASH_USING_AST=1 \
  "$BIN" --backend vm "$ROOT/tools/hako_check/cli.hako" -- --format json-lsp ${input_ok:+"$input_ok"} ${input_ng:+"$input_ng"} \
    >"$tmp_out" 2>/dev/null || true
  if ! diff -u "$expected" "$tmp_out" >/dev/null; then
    echo "[TEST/FAIL] $dir" >&2
    diff -u "$expected" "$tmp_out" || true
    fail=$((fail+1))
  else
    echo "[TEST/OK] $dir"
  fi
  rm -f "$tmp_out"
}

for d in "$TARGET_DIR"/*; do
  [ -d "$d" ] || continue
  run_case "$d"
done

if [ $fail -ne 0 ]; then
  echo "[TEST/SUMMARY] failures=$fail" >&2
  exit 1
fi
echo "[TEST/SUMMARY] all green"
exit 0