#!/bin/bash
# Lingble Production Cluster Deployment Script
# This script deploys services from cluster-all.yaml to the new Singapore ACK cluster

set -e

CLUSTER_ALL_FILE="${CLUSTER_ALL_FILE:-/Users/dingo/cluster-all.yaml}"
TEMP_DIR="/tmp/lingble-deploy-$$"

echo "=== Lingble Production Cluster Deployment ==="
echo "Cluster All File: $CLUSTER_ALL_FILE"
echo "Target Region: Singapore (ap-southeast-1)"

# Check if kubeconfig exists
if [ ! -f "./kubeconfig" ]; then
    echo "Error: kubeconfig file not found. Run 'terraform apply' first."
    exit 1
fi

# Check if cluster-all.yaml exists
if [ ! -f "$CLUSTER_ALL_FILE" ]; then
    echo "Error: cluster-all.yaml not found at $CLUSTER_ALL_FILE"
    exit 1
fi

# Export kubeconfig
export KUBECONFIG=./kubeconfig

# Verify cluster connectivity
echo "Verifying cluster connectivity..."
kubectl cluster-info

# Create temp directory
mkdir -p "$TEMP_DIR"

# Extract namespaces from cluster-all.yaml
echo "Extracting namespaces..."
NAMESPACES=$(grep "namespace:" "$CLUSTER_ALL_FILE" | sed 's/.*namespace: //' | sort -u)
echo "Found namespaces: $NAMESPACES"

# Create namespaces
echo "Creating namespaces..."
for ns in $NAMESPACES; do
    kubectl create namespace "$ns" --dry-run=client -o yaml | kubectl apply -f - 2>/dev/null || true
done

# Extract and apply resources
echo "Extracting resources from cluster-all.yaml..."

# Apply ServiceAccounts first
echo "Applying ServiceAccounts..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "ServiceAccount") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply RBAC
echo "Applying RBAC resources..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "Role" or .kind == "RoleBinding" or .kind == "ClusterRole" or .kind == "ClusterRoleBinding") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply ConfigMaps
echo "Applying ConfigMaps..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "ConfigMap") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply Secrets
echo "Applying Secrets..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "Secret") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply PersistentVolumeClaims
echo "Applying PersistentVolumeClaims..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "PersistentVolumeClaim") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply Services
echo "Applying Services..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "Service") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply Deployments
echo "Applying Deployments..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "Deployment") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply StatefulSets
echo "Applying StatefulSets..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "StatefulSet") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply Ingress
echo "Applying Ingress resources..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "Ingress") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Apply remaining resources (DaemonSet, CronJob, Job, etc.)
echo "Applying other resources..."
kubectl get -f "$CLUSTER_ALL_FILE" --dry-run=client -o json 2>/dev/null | \
    jq -r '.items[] | select(.kind == "DaemonSet" or .kind == "CronJob" or .kind == "Job" or .kind == "HorizontalPodAutoscaler") | del(.status, .metadata.resourceVersion, .metadata.uid, .metadata.creationTimestamp, .metadata.generation)' | \
    jq -s '.' | kubectl apply -f - 2>/dev/null || true

# Cleanup
rm -rf "$TEMP_DIR"

echo "=== Deployment Complete ==="

# Show results
echo ""
echo "Namespaces:"
kubectl get ns

echo ""
echo "Deployments:"
kubectl get deployments -A 2>/dev/null | head -40

echo ""
echo "StatefulSets:"
kubectl get statefulsets -A 2>/dev/null | head -20

echo ""
echo "Services:"
kubectl get svc -A 2>/dev/null | head -40