#!/usr/bin/env bash
# Ansible-managed deploy script
set -euo pipefail

REPO_URL="{{ app_repo_url }}"
BRANCH="{{ app_repo_branch }}"
APP_ROOT="{{ app_repo_dest }}"
BACKEND_DIR="{{ app_backend_dir }}"
FRONTEND_DIR="{{ app_frontend_dir }}"
ENV_FILE="{{ app_root }}/.env.{{ app_env }}"

echo "[deploy] repo=${REPO_URL} branch=${BRANCH} root=${APP_ROOT}"

if [[ ! -d "${APP_ROOT}/.git" ]]; then
  echo "[deploy] cloning repo"
  install -d -m 0755 "${APP_ROOT}"
  git clone --branch "${BRANCH}" --single-branch "${REPO_URL}" "${APP_ROOT}"
fi

echo "[deploy] syncing branch"
git -C "${APP_ROOT}" fetch origin --prune
if ! git -C "${APP_ROOT}" rev-parse --verify --quiet "refs/remotes/origin/${BRANCH}" >/dev/null; then
  echo "[deploy] ERROR: branch '${BRANCH}' not found on origin"
  exit 2
fi
git -C "${APP_ROOT}" checkout -B "${BRANCH}" "origin/${BRANCH}"
git -C "${APP_ROOT}" pull --ff-only origin "${BRANCH}"

if [[ "{{ app_enable_backend | bool }}" == "True" ]]; then
echo "[deploy] backend install"
cd "${BACKEND_DIR}"
{{ app_backend_install_cmd }}

echo "[deploy] backend migrations"
{{ app_backend_migrate_cmd }}
fi

if [[ "{{ app_enable_frontend | bool }}" == "True" ]]; then
echo "[deploy] frontend install"
cd "${FRONTEND_DIR}"
{{ app_frontend_install_cmd }}

echo "[deploy] frontend build"
{{ app_frontend_build_cmd }}
fi

echo "[deploy] restarting services"
{% if app_enable_backend | bool %}
systemctl restart app-backend.service
{% endif %}
{% if app_enable_frontend | bool %}
systemctl restart app-frontend.service
{% endif %}

echo "[deploy] done"