#!/usr/bin/env bash
# Promote a coulomb repo to Forgejo (tier 2.5): mirror, flip remotes, add ci-smoke.
set -euo pipefail

REPO="${1:?usage: promote-repo-to-forgejo.sh <repo-name> [repo-path]}"
REPO_PATH="${2:-$HOME/${REPO}}"
ORG=coulomb
FORGEJO_API="${FORGEJO_API:-https://forgejo.coulomb.social/api/v1}"
TOKEN_FILE="${FORGEJO_TOKEN_FILE:-/tmp/forgejo-tegwick-api-token}"
TEMPLATE="${PROMOTE_CI_TEMPLATE:-$HOME/railiance-enablement/workflows/ci-smoke.yaml}"

if [[ ! -f "${TOKEN_FILE}" ]]; then
  echo "Missing API token at ${TOKEN_FILE}" >&2
  exit 1
fi
TOKEN=$(cat "${TOKEN_FILE}")
AUTH=(-H "Authorization: token ${TOKEN}")

code=$(curl -sS -o /dev/null -w '%{http_code}' "${AUTH[@]}" "${FORGEJO_API}/repos/${ORG}/${REPO}")
if [[ "${code}" == "404" ]]; then
  echo "==> Creating ${ORG}/${REPO} on Forgejo"
  curl -fsS -X POST "${FORGEJO_API}/orgs/${ORG}/repos" "${AUTH[@]}" \
    -H "Content-Type: application/json" \
    -d "{\"name\":\"${REPO}\",\"private\":false,\"auto_init\":false}" >/dev/null
elif [[ "${code}" == "200" ]]; then
  echo "==> ${ORG}/${REPO} already exists on Forgejo"
else
  echo "Unexpected API status ${code} for ${ORG}/${REPO}" >&2
  exit 1
fi

cd "${REPO_PATH}"

mkdir -p .forgejo/workflows
if [[ ! -f .forgejo/workflows/ci-smoke.yaml ]]; then
  cp "${TEMPLATE}" .forgejo/workflows/ci-smoke.yaml
  git add .forgejo/workflows/ci-smoke.yaml
  git commit --no-verify -m "Add Forgejo CI smoke workflow (enablement template)"
fi

if git remote get-url origin 2>/dev/null | grep -q forgejo-remote; then
  echo "==> Remotes already on Forgejo"
else
  git remote rename origin gitea
  git remote add origin "forgejo-remote:${ORG}/${REPO}.git"
  echo "==> Remotes: origin=forgejo-remote, gitea=legacy"
fi

echo "==> Pushing ${REPO_PATH} to Forgejo"
git push -u origin main
echo "==> Promoted ${REPO}"