#!/usr/bin/env bash
# Continue Chain-138 Infrastructure Deployment

set -e

cd "$(dirname "$0")/../.."

# Color codes

echo "==================================================================="
echo "  CONTINUING CHAIN-138 INFRASTRUCTURE DEPLOYMENT"
echo "==================================================================="

# Load environment variables
if [ -f .env ]; then
    source .env 2>/dev/null || true
fi

# Step 1: Fix and apply Terraform
log_info "Step 1: Applying Terraform (if needed)..."

cd terraform

# Get current cluster version
CURRENT_VERSION=$(az aks show --resource-group az-p-we-rg-comp-001 --name az-p-we-aks-main --query kubernetesVersion -o tsv 2>/dev/null || echo "1.33")

# Update terraform.tfvars properly
sed -i "s/kubernetes_version = \".*\"/kubernetes_version = \"$CURRENT_VERSION\"/" terraform.tfvars

# Validate
terraform validate

# Plan
terraform plan -out=tfplan 2>&1 | tail -20

# Check if there are changes
PLAN_CHANGES=$(terraform plan -out=tfplan 2>&1 | grep -E "to add|to change|to destroy" | head -1)

if echo "$PLAN_CHANGES" | grep -qE "[1-9]"; then
    log_warn "⚠️  Terraform plan shows changes"
    echo "  Review above, then run: terraform apply tfplan"
else
    log_success "✅ No Terraform changes needed"
fi

cd ..

# Step 2: Get kubeconfig
log_info "Step 2: Configuring Kubernetes access..."

RG_NAME="az-p-we-rg-comp-001"
CLUSTER_NAME="az-p-we-aks-main"

az aks get-credentials --resource-group "$RG_NAME" --name "$CLUSTER_NAME" --overwrite-existing

if kubectl cluster-info &> /dev/null 2>&1; then
    log_success "✅ Kubernetes cluster accessible"
    kubectl get nodes 2>&1 | head -5
else
    log_error "❌ Failed to access cluster"
    exit 1
fi

# Step 3: Deploy Kubernetes resources
log_info "Step 3: Deploying Kubernetes resources..."

kubectl create namespace besu-network --dry-run=client -o yaml | kubectl apply -f -
kubectl apply -k k8s/base 2>&1 | tail -10

# Step 4: Deploy Besu network
log_info "Step 4: Deploying Besu network..."

if [ -f helm/besu-network/values-validators.yaml ]; then
    if helm list -n besu-network | grep -q besu-validators; then
        log_success "✅ Validators already deployed"
    else
        helm install besu-validators ./helm/besu-network \
            -f helm/besu-network/values-validators.yaml \
            -n besu-network 2>&1 | tail -10
    fi
    
    if helm list -n besu-network | grep -q besu-sentries; then
        log_success "✅ Sentries already deployed"
    else
        helm install besu-sentries ./helm/besu-network \
            -f helm/besu-network/values-sentries.yaml \
            -n besu-network 2>&1 | tail -10
    fi
    
    if helm list -n besu-network | grep -q besu-rpc; then
        log_success "✅ RPC nodes already deployed"
    else
        helm install besu-rpc ./helm/besu-network \
            -f helm/besu-network/values-rpc.yaml \
            -n besu-network 2>&1 | tail -10
    fi
else
    log_warn "⚠️  Helm values files not found"
fi

# Step 5: Deploy monitoring
log_info "Step 5: Deploying monitoring..."

kubectl create namespace monitoring --dry-run=client -o yaml | kubectl apply -f -

if [ -f monitoring/k8s/prometheus.yaml ]; then
    kubectl apply -f monitoring/k8s/prometheus.yaml -n monitoring 2>&1 | tail -5
fi

# Step 6: Check status
log_info "Step 6: Checking deployment status..."

echo "Pods in besu-network:"
kubectl get pods -n besu-network 2>&1 | head -10

echo "Pods in monitoring:"
kubectl get pods -n monitoring 2>&1 | head -10

# Step 7: Get RPC endpoint
log_info "Step 7: Getting RPC endpoint..."

RPC_SVC=$(kubectl get svc -n besu-network -l app=besu-rpc -o jsonpath='{.items[0].metadata.name}' 2>/dev/null || echo "")
if [ -n "$RPC_SVC" ]; then
    RPC_IP=$(kubectl get svc -n besu-network "$RPC_SVC" -o jsonpath='{.status.loadBalancer.ingress[0].ip}' 2>/dev/null || echo "")
    if [ -n "$RPC_IP" ]; then
        log_success "✅ RPC endpoint: http://$RPC_IP:8545"
        echo "  Update .env with: CHAIN138_RPC_URL=http://$RPC_IP:8545"
    else
        log_warn "⚠️  RPC service exists but IP not assigned yet"
    fi
else
    log_warn "⚠️  RPC service not found"
fi

log_success "✅ Infrastructure deployment steps complete!"
echo "Next: Verify deployment and deploy contracts"