#!/bin/bash

# Load shared libraries
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/../lib/init.sh"

# Script to set up shared infrastructure services

set -e

echo "🏗️  Setting up shared infrastructure services..."

# Check prerequisites
command -v kubectl >/dev/null 2>&1 || { echo "❌ kubectl not found"; exit 1; }
command -v helm >/dev/null 2>&1 || { echo "❌ helm not found"; exit 1; }

# Configuration
NAMESPACE="shared-services"
REGISTRY_NAMESPACE="container-registry"

echo "📋 Creating namespaces..."
kubectl create namespace "$NAMESPACE" --dry-run=client -o yaml | kubectl apply -f -
kubectl create namespace "$REGISTRY_NAMESPACE" --dry-run=client -o yaml | kubectl apply -f -

echo "📦 Setting up Prometheus/Grafana..."
# Add Prometheus Helm repo
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm repo update

# Install Prometheus Stack
helm upgrade --install prometheus prometheus-community/kube-prometheus-stack \
  --namespace "$NAMESPACE" \
  --create-namespace \
  --set prometheus.prometheusSpec.retention=30d \
  --wait || echo "⚠️  Prometheus installation skipped (may already exist)"

echo "📊 Setting up Loki for logging..."
helm repo add grafana https://grafana.github.io/helm-charts
helm repo update

helm upgrade --install loki grafana/loki-stack \
  --namespace "$NAMESPACE" \
  --create-namespace \
  --wait || echo "⚠️  Loki installation skipped (may already exist)"

echo "🐳 Setting up container registry (Harbor)..."
# Harbor setup would go here
echo "   → Harbor setup requires additional configuration"
echo "   → See: https://goharbor.io/docs/"

echo "✅ Shared infrastructure setup initiated!"
echo ""
echo "📝 Next steps:"
echo "   1. Configure Prometheus/Grafana dashboards"
echo "   2. Set up Loki log aggregation"
echo "   3. Deploy container registry"
echo "   4. Configure monitoring alerts"
echo "   5. Migrate projects to shared infrastructure"