#!/usr/bin/env bash
# Usage: ./deploy.sh [frontend|backend|all]
#   default: all
#
# SSH config (~/.ssh/config) — recommended:
#   Host innercontext
#       HostName <IP_LXC>
#       User innercontext
#
# The innercontext user needs passwordless sudo for systemctl only:
#   /etc/sudoers.d/innercontext-deploy:
#     innercontext ALL=(root) NOPASSWD: /usr/bin/systemctl restart innercontext, /usr/bin/systemctl restart innercontext-node, /usr/bin/systemctl is-active innercontext, /usr/bin/systemctl is-active innercontext-node
set -euo pipefail

SERVER="${DEPLOY_SERVER:-innercontext}"   # ssh host alias or user@host
REMOTE="/opt/innercontext"
SCOPE="${1:-all}"

# ── Frontend ───────────────────────────────────────────────────────────────
deploy_frontend() {
    echo "==> [frontend] Building locally..."
    (cd frontend && pnpm run build)

    echo "==> [frontend] Uploading build/ and package files..."
    rsync -az --delete frontend/build/ "$SERVER:$REMOTE/frontend/build/"
    rsync -az frontend/package.json frontend/pnpm-lock.yaml "$SERVER:$REMOTE/frontend/"

    echo "==> [frontend] Installing production dependencies on server..."
    ssh "$SERVER" "cd $REMOTE/frontend && pnpm install --prod --frozen-lockfile"

    echo "==> [frontend] Restarting service..."
    ssh "$SERVER" "sudo systemctl restart innercontext-node && echo OK"
}

# ── Backend ────────────────────────────────────────────────────────────────
deploy_backend() {
    echo "==> [backend] Uploading source..."
    rsync -az --delete \
        --exclude='.venv/' \
        --exclude='__pycache__/' \
        --exclude='*.pyc' \
        --exclude='.env' \
        backend/ "$SERVER:$REMOTE/backend/"

    echo "==> [backend] Syncing dependencies..."
    ssh "$SERVER" "cd $REMOTE/backend && uv sync --frozen"

    echo "==> [backend] Restarting service (alembic runs on start)..."
    ssh "$SERVER" "sudo systemctl restart innercontext && echo OK"
}

# ── Dispatch ───────────────────────────────────────────────────────────────
case "$SCOPE" in
    frontend) deploy_frontend ;;
    backend)  deploy_backend  ;;
    all)      deploy_frontend; deploy_backend ;;
    *)
        echo "Usage: $0 [frontend|backend|all]"
        exit 1
        ;;
esac

echo "==> Done."