#!/usr/bin/env bash
# Inspect a PR for review.
#
#   scripts/review.sh 7            diff
#   scripts/review.sh 7 --meta     title, author, size, mergeability, CI state
#   scripts/review.sh --list       open PRs
set -euo pipefail
cd "$(dirname "$0")/.."
. scripts/lib/gitea.sh
gitea_require_token || exit 1

if [ "${1:-}" = "--list" ]; then
  gitea_api GET "pulls?state=open&limit=30" \
    | jq -r '.[] | "#\(.number)  \(.title)   [\(.head.ref)] by \(.user.login)"'
  exit 0
fi

PR="${1:-}"
[ -n "$PR" ] || { echo "usage: scripts/review.sh <pr-number> [--meta] | --list" >&2; exit 1; }

if [ "${2:-}" = "--meta" ]; then
  gitea_api GET "pulls/$PR" | jq '{number, title, user: .user.login, head: .head.ref,
                                   base: .base.ref, draft, mergeable,
                                   additions, deletions, changed_files}'
  echo "--- CI ---"
  SHA="$(gitea_api GET "pulls/$PR" | jq -r '.head.sha')"
  gitea_api GET "commits/$SHA/status" \
    | jq '{state, checks: [.statuses[]? | {context, state}]}'
else
  gitea_api GET "pulls/$PR.diff"
fi