#!/bin/bash

# Complete Deploy and Test Script for nginx-nodeport
# This script does EVERYTHING from scratch in the correct order

set -e

echo "🚀 nginx-nodeport Deploy and Test"
echo "=================================="
echo ""

# Colors
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Step 1: Check if kubectl is available
echo "🔍 Step 1: Checking prerequisites..."
if ! command -v kubectl &> /dev/null; then
    echo "❌ kubectl is not installed or not in PATH"
    echo "   Please install kubectl and configure it to connect to your Mycelium Cloud cluster"
    exit 1
fi

# Test cluster connectivity
if ! kubectl cluster-info &> /dev/null; then
    echo "❌ Cannot connect to Kubernetes cluster"
    echo "   Please check your kubeconfig configuration"
    exit 1
fi

echo -e "${GREEN}✅ kubectl is available and connected to cluster${NC}"
echo ""

# Step 2: Deploy all resources
echo "🔍 Step 2: Deploying nginx-nodeport resources..."
echo ""

echo "  📦 Deploying ConfigMaps..."
kubectl apply -f nginx-nodeport-configmaps.yaml
echo -e "    ${GREEN}✅ ConfigMaps deployed${NC}"
echo ""

echo "  📦 Deploying nginx application..."
kubectl apply -f nginx-nodeport-deployment.yaml
echo -e "    ${GREEN}✅ nginx deployment created${NC}"
echo ""

echo "  📦 Creating NodePort service..."
kubectl apply -f nginx-nodeport-service.yaml
echo -e "    ${GREEN}✅ NodePort service created${NC}"
echo ""

# Step 3: Wait for deployment to be ready
echo "🔍 Step 3: Waiting for deployment to be ready..."
echo ""
echo "  This may take up to 60 seconds..."

if kubectl wait --for=condition=ready pod -l app=nginx-nodeport --timeout=60s 2>/dev/null; then
    echo -e "  ${GREEN}✅ nginx-nodeport pods are ready${NC}"
else
    echo -e "  ${YELLOW}⚠️  Pods taking longer than expected, continuing anyway...${NC}"
fi
echo ""

# Step 4: Check pod status
echo "🔍 Step 4: Checking pod status..."
POD_STATUS=$(kubectl get pods -l app=nginx-nodeport -o jsonpath='{.items[0].status.phase}' 2>/dev/null || echo "Unknown")
echo "  Pod status: $POD_STATUS"

if [ "$POD_STATUS" != "Running" ]; then
    echo -e "  ${YELLOW}⚠️  Pod is not in Running state. Check with:${NC}"
    echo "     kubectl get pods -l app=nginx-nodeport"
    echo "     kubectl describe pod -l app=nginx-nodeport"
    echo "     kubectl logs -l app=nginx-nodeport"
fi
echo ""

# Step 5: Check service configuration
echo "🔍 Step 5: Verifying service configuration..."
SERVICE_TYPE=$(kubectl get svc nginx-nodeport-service -o jsonpath='{.spec.type}' 2>/dev/null || echo "NotFound")
NODEPORT=$(kubectl get svc nginx-nodeport-service -o jsonpath='{.spec.ports[0].nodePort}' 2>/dev/null || echo "NotFound")
IP_FAMILIES=$(kubectl get svc nginx-nodeport-service -o jsonpath='{.spec.ipFamilies}' 2>/dev/null || echo "NotFound")

echo "  Service type: $SERVICE_TYPE"
echo "  NodePort: $NODEPORT"
echo "  IP families: $IP_FAMILIES"

if [ "$SERVICE_TYPE" != "NodePort" ]; then
    echo -e "  ${YELLOW}⚠️  Service type is not NodePort! Expected: NodePort, Got: $SERVICE_TYPE${NC}"
fi

if [ "$NODEPORT" != "30091" ]; then
    echo -e "  ${YELLOW}⚠️  NodePort is not 30091! Expected: 30091, Got: $NODEPORT${NC}"
fi

if [[ "$IP_FAMILIES" == *"IPv6"* ]]; then
    echo -e "  ${GREEN}✅ Dual-stack configured (includes IPv6)${NC}"
else
    echo -e "  ${YELLOW}⚠️  IPv6 not configured! Service will not be accessible via Mycelium IPv6${NC}"
    echo "     This is a critical requirement for Mycelium Cloud!"
fi
echo ""

# Step 6: Update content with current node information
echo "🔍 Step 6: Updating website content with current node information..."
echo ""

./update-content.sh

if [ $? -eq 0 ]; then
    echo -e "${GREEN}✅ Content updated successfully${NC}"
else
    echo -e "${YELLOW}⚠️  Content update failed, continuing anyway...${NC}"
fi
echo ""

# Step 7: Restart deployment to apply content changes
echo "🔍 Step 7: Restarting deployment to apply content changes..."
echo ""

kubectl rollout restart deployment/nginx-nodeport

if kubectl rollout status deployment/nginx-nodeport --timeout=60s 2>/dev/null; then
    echo -e "${GREEN}✅ Deployment rolled out successfully${NC}"
else
    echo -e "${YELLOW}⚠️  Rollout taking longer than expected, continuing...${NC}"
fi
echo ""

# Step 8: Run comprehensive tests
echo "🔍 Step 8: Running comprehensive tests..."
echo ""

./test-nodeport-ipv6.sh

echo ""
echo "=================================="
echo "🎉 Deploy and Test Complete!"
echo "=================================="
echo ""
echo "📊 Summary:"
echo "  • Resources deployed: ConfigMaps, Deployment, Service"
echo "  • Service type: NodePort with dual-stack (IPv4 + IPv6)"
echo "  • NodePort: 30091"
echo "  • Content updated: Yes"
echo "  • Tests run: Yes"
echo ""
echo "🌐 Access Information:"
POD_NAME=$(kubectl get pods -l app=nginx-nodeport -o name | head -1 2>/dev/null || echo "")
if [ -n "$POD_NAME" ]; then
    POD_NODE=$(kubectl get pods -l app=nginx-nodeport -o jsonpath='{.items[0].spec.nodeName}' 2>/dev/null || echo "Unknown")
    NODE_IPV6=$(kubectl get node "$POD_NODE" -o jsonpath='{range .status.addresses[?(@.type=="InternalIP")]}{.address}{"\n"}{end}' 2>/dev/null | grep -E '^[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+:[0-9a-f]+$' | head -1 || echo "Unknown")
    
    if [ "$NODE_IPV6" != "Unknown" ]; then
        echo "  • URL: http://[$NODE_IPV6]:30091"
        echo "  • Node: $POD_NODE"
        echo ""
        echo "  To access from a machine with Mycelium installed:"
        echo "    curl -6 \"http://[$NODE_IPV6]:30091/\""
        echo "  Or open in browser:"
        echo "    http://[$NODE_IPV6]:30091"
    else
        echo "  • Could not determine node IPv6 address automatically"
        echo "  • Check manually with:"
        echo "    kubectl get nodes -o wide"
    fi
else
    echo "  • Could not find nginx-nodeport pod"
    echo "  • Check status with:"
    echo "    kubectl get pods -l app=nginx-nodeport"
fi
echo ""
echo "📋 Next Steps:"
echo "  • Open the URL in a browser to see your website"
echo "  • Check logs: kubectl logs -f deployment/nginx-nodeport"
echo "  • Scale replicas: kubectl scale deployment nginx-nodeport --replicas=3"
echo "  • Update content: ./update-content.sh"
echo "  • Run tests: ./test-nodeport-ipv6.sh"
echo ""
echo "📚 Documentation:"
echo "  • Guide: nginx-nodeport.md"
echo "  • IPv6 Fix: IPV6_FIX.md"
echo "  • Troubleshooting: TROUBLESHOOTING.md"
echo "  • All variants: ../nginx-variants.md"
echo ""