#!/usr/bin/env bash
# Bulk-clone State Hub registered repos onto railiance01 under /home/tegwick/<slug>.
# Usage: railiance01-bulk-clone-repos.sh [--dry-run] [--slug SLUG]
set -euo pipefail

API_BASE="${API_BASE:-http://127.0.0.1:8000}"
CLONE_ROOT="${CLONE_ROOT:-/home/tegwick}"
DRY_RUN=0

if [[ "${1:-}" == "--dry-run" ]]; then
  DRY_RUN=1
  shift
fi

SLUG_FILTER="${1:-}"

clone_url_for() {
  local slug="$1" remote="$2"
  case "${remote}" in
    forgejo-remote:*|gitea-remote:*) echo "${remote}" ;;
    ssh://git@92.205.130.254:30022/coulomb/*) echo "gitea-remote:coulomb/${slug}.git" ;;
    http://92.205.130.254:32166/coulomb/*) echo "gitea-remote:coulomb/${slug}.git" ;;
    http://gitea.local/worsch/*) echo "gitea-remote:coulomb/${slug}.git" ;;
    "") echo "gitea-remote:coulomb/${slug}.git" ;;
    *) echo "gitea-remote:coulomb/${slug}.git" ;;
  esac
}

repos_json=$(curl -fsS "${API_BASE}/repos/")
mapfile -t slugs < <(python3 -c "
import json, sys
repos = json.load(sys.stdin)
filt = sys.argv[1] if len(sys.argv) > 1 else ''
for r in sorted(repos, key=lambda x: x['slug']):
    if filt and r['slug'] != filt:
        continue
    print(r['slug'])
" <<<"${repos_json}" "${SLUG_FILTER}")

cloned=0
skipped=0
failed=0

for slug in "${slugs[@]}"; do
  dest="${CLONE_ROOT}/${slug}"
  if [[ -d "${dest}/.git" ]]; then
    echo "SKIP ${slug} (exists)"
    skipped=$((skipped + 1))
    continue
  fi
  remote=$(python3 -c "
import json, sys
repos = json.load(sys.stdin)
for r in repos:
    if r['slug'] == sys.argv[1]:
        print(r.get('remote_url') or '')
        break
" <<<"${repos_json}" "${slug}")
  url=$(clone_url_for "${slug}" "${remote}")
  if [[ "${DRY_RUN}" -eq 1 ]]; then
    echo "DRY  ${slug} <- ${url}"
    continue
  fi
  echo "CLONE ${slug} <- ${url}"
  if git clone "${url}" "${dest}"; then
    cloned=$((cloned + 1))
  else
    echo "FAIL ${slug}" >&2
    failed=$((failed + 1))
  fi
done

echo "done: cloned=${cloned} skipped=${skipped} failed=${failed}"