#!/usr/bin/env bash
# Update a specific log entry (e.g. mark a PR as merged).
#
# Usage:
#   .claude/scripts/update-entry.sh <req-id> --status merged
#   .claude/scripts/update-entry.sh <req-id> --pr-number 42 --pr-url https://...

set -euo pipefail

REQ_ID="${1:-}"
LOG_FILE=".claude/request-log.jsonl"
NEW_STATUS=""
NEW_PR_NUMBER=""
NEW_PR_URL=""

shift || true
while [[ $# -gt 0 ]]; do
  case "$1" in
    --status)    NEW_STATUS="$2";    shift 2 ;;
    --pr-number) NEW_PR_NUMBER="$2"; shift 2 ;;
    --pr-url)    NEW_PR_URL="$2";    shift 2 ;;
    *)           echo "Unknown arg: $1" >&2; exit 1 ;;
  esac
done

if [ -z "$REQ_ID" ]; then
  echo "Usage: update-entry.sh <req-id> [--status STATUS] [--pr-number N] [--pr-url URL]" >&2
  exit 1
fi

if [ ! -f "$LOG_FILE" ]; then
  echo "Log file not found: $LOG_FILE" >&2
  exit 1
fi

TMPFILE=$(mktemp)

JQ_ARGS=()
JQ_FILTER='.'

if [ -n "$NEW_STATUS" ]; then
  JQ_ARGS+=(--arg status "$NEW_STATUS")
  JQ_FILTER="$JQ_FILTER | .status = \$status"
fi

if [ -n "$NEW_PR_NUMBER" ]; then
  JQ_ARGS+=(--argjson pr_num "$NEW_PR_NUMBER")
  JQ_FILTER="$JQ_FILTER | .pr_number = \$pr_num"
fi

if [ -n "$NEW_PR_URL" ]; then
  JQ_ARGS+=(--arg pr_url "$NEW_PR_URL")
  JQ_FILTER="$JQ_FILTER | .pr_url = \$pr_url"
fi

while IFS= read -r line; do
  ID=$(echo "$line" | jq -r '.id // ""')
  if [ "$ID" = "$REQ_ID" ]; then
    echo "$line" | jq "${JQ_ARGS[@]}" "$JQ_FILTER"
  else
    echo "$line"
  fi
done < "$LOG_FILE" > "$TMPFILE"

mv "$TMPFILE" "$LOG_FILE"
echo "Updated entry $REQ_ID"