#!/usr/bin/env bash
# ==============================================================================
# deploy.sh — Deploy Meridian LXC
#
# Usage:
#   ./deploy.sh                  # full deploy
#   ./deploy.sh --tags meridian  # meridian role only
#   ./deploy.sh -v               # verbose output
# ==============================================================================
set -euo pipefail

HOST_IP="$(grep -E '^[0-9]' inventory.ini | head -1 | awk '{print $1}')"
HOST_USER="$(grep -o 'ansible_user=[^ ]*' inventory.ini | head -1 | cut -d= -f2)"

echo "==> Checking connectivity to ${HOST_USER}@${HOST_IP} ..."
if ! ssh -o ConnectTimeout=5 -o BatchMode=yes "${HOST_USER}@${HOST_IP}" true 2>/dev/null; then
    echo "    Cannot SSH to ${HOST_IP} — refreshing host key ..."
    ssh-keygen -R "$HOST_IP" 2>/dev/null || true
    ssh-keyscan -H "$HOST_IP" >> ~/.ssh/known_hosts 2>/dev/null
fi

echo "==> Installing Ansible collections ..."
ansible-galaxy collection install -r requirements.yml --force 2>/dev/null

echo "==> Running deploy playbook ..."
ansible-playbook -i inventory.ini site.yml "$@"

echo "==> Verifying ..."
ssh "${HOST_USER}@${HOST_IP}" bash -s <<'VERIFY'
echo "Node: $(node --version 2>/dev/null || echo missing)"
echo "Meridian binary: $(which meridian 2>/dev/null || echo missing)"
echo "Service:"
systemctl is-enabled meridian 2>&1
systemctl is-active meridian 2>&1
if systemctl is-active --quiet meridian; then
  curl -sf --max-time 3 http://127.0.0.1:3456/v1/messages -X POST -H 'Content-Type: application/json' -d '{}' >/dev/null 2>&1 && echo "API reachable on :3456" || echo "API on :3456 not responding (expected if OAuth creds missing)"
fi
VERIFY

echo "==> Done."