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

OUT_DIR="${1:?usage: collect_ledger_verify.sh <out_dir>}"
mkdir -p "$OUT_DIR"

CANDIDATES=(
  "ledger"
  "ledger-cli"
  "../vm-ledger/target/release/ledger"
  "../vm-ledger/target/release/ledger-cli"
  "../vm-ledger/target/debug/ledger"
  "../vm-ledger/target/debug/ledger-cli"
  "../vm-ledger/bin/ledger"
  "../vm-ledger/bin/ledger-cli"
  "../vm-ledger/ledger"
  "../vm-ledger/ledger-cli"
)

LEDGER_BIN=""
for c in "${CANDIDATES[@]}"; do
  if [[ "$c" == "ledger" || "$c" == "ledger-cli" ]]; then
    if command -v "$c" >/dev/null 2>&1; then
      LEDGER_BIN="$c"
      break
    fi
  else
    if [[ -x "$c" ]]; then
      LEDGER_BIN="$c"
      break
    fi
  fi
done

LEDGER_DIR="${VMCC_LEDGER_DIR:-../vm-ledger/log}"
if [[ ! -d "$LEDGER_DIR" ]]; then
  cat > "$OUT_DIR/ledger_verify.json" <<JSON
{"collected": false, "reason": "ledger dir not found: $LEDGER_DIR"}
JSON
  exit 0
fi

if [[ -z "$LEDGER_BIN" ]]; then
  cat > "$OUT_DIR/ledger_verify.json" <<'JSON'
{"collected": false, "reason": "ledger CLI not found"}
JSON
  exit 0
fi

if ! "$LEDGER_BIN" verify --dir "$LEDGER_DIR" --format json > "$OUT_DIR/ledger_verify.json" 2> "$OUT_DIR/ledger_verify.stderr"; then
  cat > "$OUT_DIR/ledger_verify.json" <<JSON
{"collected": false, "reason": "$(basename "$LEDGER_BIN") verify failed"}
JSON
fi