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

# =============================================================================
# phase6_teardown.sh — Remove push mirror config from all repos
# For each repo: fetches mirror ID from Gitea, then deletes it.
# Re-enables GitHub Actions on the source repos.
# Safe to run if mirrors have already been removed.
# =============================================================================

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
source "${SCRIPT_DIR}/lib/common.sh"

load_env
require_vars GITEA_ADMIN_TOKEN GITEA_INTERNAL_URL GITEA_ORG_NAME \
             GITHUB_USERNAME GITHUB_TOKEN \
             REPO_1_NAME REPO_2_NAME REPO_3_NAME

log_warn "=== Phase 6 Teardown: Push Mirrors ==="

REPOS=("$REPO_1_NAME" "$REPO_2_NAME" "$REPO_3_NAME")

printf 'This will remove all push mirror configurations. Continue? [y/N] '
read -r confirm
if [[ ! "$confirm" =~ ^[Yy]$ ]]; then
  log_info "Teardown cancelled"
  exit 0
fi

for repo in "${REPOS[@]}"; do
  log_info "--- Processing: ${repo} ---"

  # Get push mirror IDs (there could be multiple, delete all)
  MIRRORS=$(gitea_api GET "/repos/${GITEA_ORG_NAME}/${repo}/push_mirrors" 2>/dev/null || echo "[]")
  MIRROR_IDS=$(printf '%s' "$MIRRORS" | jq -r '.[].id' 2>/dev/null || true)

  if [[ -z "$MIRROR_IDS" ]]; then
    log_info "No push mirrors found for ${repo} — already clean"
  else
    for mirror_id in $MIRROR_IDS; do
      gitea_api DELETE "/repos/${GITEA_ORG_NAME}/${repo}/push_mirrors/${mirror_id}" >/dev/null 2>&1 || true
      log_success "Removed push mirror '${mirror_id}' from ${repo}"
    done
  fi

  # Re-enable GitHub Actions
  github_api PUT "/repos/${GITHUB_USERNAME}/${repo}/actions/permissions" \
    '{"enabled": true}' >/dev/null 2>&1 || true
  log_info "GitHub Actions re-enabled for ${repo}"
done

log_success "Phase 6 teardown complete"