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

DEPLOY_HOST="${DEPLOY_HOST:-43.160.220.141}"
DEPLOY_USER="${DEPLOY_USER:-root}"
SSH_KEY="${SSH_KEY:-$HOME/.ssh/aslan-test-singapore-ed25519}"
REMOTE_BASE="${REMOTE_BASE:-/opt/aslan-test}"
REMOTE_SRC="${REMOTE_SRC:-$REMOTE_BASE/source/aslan-server}"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

usage() {
  cat <<'EOF'
Usage:
  .deploy/test-deploy/sync-and-deploy.sh [remote deploy args...]

Examples:
  .deploy/test-deploy/sync-and-deploy.sh
  .deploy/test-deploy/sync-and-deploy.sh status
  .deploy/test-deploy/sync-and-deploy.sh --fast other

Environment:
  DEPLOY_HOST  default 43.160.220.141
  DEPLOY_USER  default root
  SSH_KEY      default ~/.ssh/aslan-test-singapore-ed25519
EOF
}

if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
  usage
  exit 0
fi

ssh_base=(ssh -i "$SSH_KEY" -o StrictHostKeyChecking=accept-new "$DEPLOY_USER@$DEPLOY_HOST")
rsync_ssh="ssh -i $SSH_KEY -o StrictHostKeyChecking=accept-new"

"${ssh_base[@]}" "mkdir -p '$REMOTE_BASE/ops' '$REMOTE_SRC'"

rsync -az \
  -e "$rsync_ssh" \
  "$SCRIPT_DIR/deploy-likei-services.sh" "$DEPLOY_USER@$DEPLOY_HOST:$REMOTE_BASE/deploy-likei-services.sh"

rsync -az --delete \
  --exclude 'runs/' \
  -e "$rsync_ssh" \
  "$SCRIPT_DIR/ops/" "$DEPLOY_USER@$DEPLOY_HOST:$REMOTE_BASE/ops/"

"${ssh_base[@]}" "flock -n '$REMOTE_BASE/deploy.lock' sh -c 'chmod +x \"\$0/deploy-likei-services.sh\" \"\$0/ops/aslan_ops.py\" && cp \"\$0/ops/aslan-test-ops.service\" /etc/systemd/system/aslan-test-ops.service && systemctl daemon-reload && systemctl enable aslan-test-ops.service >/dev/null && systemctl restart aslan-test-ops.service' '$REMOTE_BASE'"

if [[ "$#" -gt 0 ]]; then
  printf -v remote_script_q '%q' "$REMOTE_BASE/deploy-likei-services.sh"
  remote_cmd="$remote_script_q"
  printf -v remote_args_q ' %q' "$@"
  remote_cmd+="$remote_args_q"
  "${ssh_base[@]}" "$remote_cmd"
fi