#!/bin/bash
set -e
set -o pipefail

if [ -z "${WILD_INSTANCE}" ]; then
    echo "ERROR: WILD_INSTANCE is not set"
    exit 1
fi

if [ -z "${WILD_API_DATA_DIR}" ]; then
    echo "ERROR: WILD_API_DATA_DIR is not set"
    exit 1
fi

if [ -z "${KUBECONFIG}" ]; then
    echo "ERROR: KUBECONFIG is not set"
    exit 1
fi

INSTANCE_DIR="${WILD_API_DATA_DIR}/instances/${WILD_INSTANCE}"
METALLB_DIR="${INSTANCE_DIR}/apps/metallb"

echo "=== Setting up MetalLB ==="
echo ""

echo "Using compiled MetalLB templates..."
if [ ! -f "${METALLB_DIR}/kustomization.yaml" ]; then
    echo "ERROR: Compiled templates not found at ${METALLB_DIR}"
    echo "Templates should be compiled before deployment."
    exit 1
fi

echo "Deploying MetalLB installation..."
kubectl apply -k ${METALLB_DIR}/installation

echo "Waiting for MetalLB controller to be ready..."
kubectl wait --for=condition=Available deployment/controller -n metallb-system --timeout=60s
echo "Extra buffer for webhook initialization..."
sleep 10

echo "Applying MetalLB configuration..."
kubectl apply -k ${METALLB_DIR}/configuration

echo ""
echo "MetalLB installed and configured successfully"
echo ""
echo "To verify the installation:"
echo "  kubectl get pods -n metallb-system"
echo "  kubectl get ipaddresspools.metallb.io -n metallb-system"
echo ""
echo "MetalLB will now provide LoadBalancer IPs for your services"