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

# =============================================================================
# phase5_teardown.sh — Remove .gitea/workflows/ from all repos
# Clones each repo, removes the .gitea/workflows/ directory, commits + pushes.
# Safe to run if .gitea/workflows/ doesn't exist (skips with info message).
# =============================================================================

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 \
             GITEA_ADMIN_USER \
             REPO_1_NAME REPO_2_NAME REPO_3_NAME

log_warn "=== Phase 5 Teardown: Remove Gitea Workflows ==="

REPOS=("$REPO_1_NAME" "$REPO_2_NAME" "$REPO_3_NAME")
TEMP_BASE="/tmp/gitea-migration-teardown"

cleanup() {
  rm -rf "$TEMP_BASE"
}
trap cleanup EXIT

printf 'This will remove .gitea/workflows/ from all repos. 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} ---"

  # Check if .gitea/workflows/ exists before cloning (avoid unnecessary work)
  if ! gitea_api GET "/repos/${GITEA_ORG_NAME}/${repo}/contents/.gitea/workflows" >/dev/null 2>&1; then
    log_info "No .gitea/workflows/ in ${repo} — already clean"
    continue
  fi

  # Clone, remove, commit, push
  CLONE_DIR="${TEMP_BASE}/${repo}"
  rm -rf "$CLONE_DIR"

  CLONE_URL=$(echo "${GITEA_INTERNAL_URL}" | sed "s|://|://${GITEA_ADMIN_USER}:${GITEA_ADMIN_TOKEN}@|")
  git clone -q "${CLONE_URL}/${GITEA_ORG_NAME}/${repo}.git" "$CLONE_DIR"

  if [[ -d "${CLONE_DIR}/.gitea/workflows" ]]; then
    rm -rf "${CLONE_DIR}/.gitea/workflows"
    cd "$CLONE_DIR"
    git config user.name "Gitea Migration"
    git config user.email "migration@gitea.local"
    git add -A
    git commit -q -m "Remove Gitea Actions workflows (teardown)"
    git push -q origin HEAD
    cd "$SCRIPT_DIR"
    log_success "Removed .gitea/workflows/ from ${repo}"
  else
    log_info ".gitea/workflows/ not found in clone — already clean"
  fi
done

log_success "Phase 5 teardown complete"