#!/bin/bash

# Deployment script that ensures APIs are enabled before deploying Cloud Functions
set -e

echo "🚀 Starting Terraform deployment with API enablement..."

# Get project ID from terraform.tfvars or environment
PROJECT_ID=${GOOGLE_CLOUD_PROJECT:-$(grep 'project_id' terraform.tfvars | cut -d'"' -f2)}

if [ -z "$PROJECT_ID" ]; then
    echo "❌ Error: PROJECT_ID not found. Set GOOGLE_CLOUD_PROJECT or ensure terraform.tfvars has project_id"
    exit 1
fi

echo "📋 Project ID: $PROJECT_ID"

# Step 1: Enable APIs first
echo "🔧 Step 1: Enabling required APIs..."
terraform apply -target=google_project_service.services -auto-approve

# Step 2: Wait for APIs to propagate
echo "⏳ Step 2: Waiting for APIs to propagate (30 seconds)..."
sleep 30

# Step 3: Verify critical APIs are enabled
echo "✅ Step 3: Verifying API enablement..."
REQUIRED_APIS=(
    "cloudfunctions.googleapis.com"
    "eventarc.googleapis.com"
    "pubsub.googleapis.com"
    "cloudbuild.googleapis.com"
)

for api in "${REQUIRED_APIS[@]}"; do
    echo "  Checking $api..."
    if gcloud services list --enabled --project="$PROJECT_ID" --filter="name:$api" --format="value(name)" | grep -q "$api"; then
        echo "  ✅ $api is enabled"
    else
        echo "  ❌ $api is not enabled yet, waiting longer..."
        sleep 15
    fi
done

# Step 4: Deploy infrastructure
echo "🏗️  Step 4: Deploying infrastructure..."
terraform apply -target=google_storage_bucket.app_bucket -target=google_firestore_database.database -target=google_compute_instance.vector_db_vm -auto-approve

# Step 5: Deploy Pub/Sub resources
echo "📨 Step 5: Deploying Pub/Sub resources..."
terraform apply -target=google_pubsub_topic.image_processing -target=google_pubsub_topic.image_processing_dlq -auto-approve

# Step 6: Deploy Cloud Function
echo "⚡ Step 6: Deploying Cloud Function..."
terraform apply -target=google_cloudfunctions2_function.image_processor -auto-approve

# Step 7: Deploy remaining resources
echo "🎯 Step 7: Deploying remaining resources..."
terraform apply -auto-approve

echo "🎉 Deployment completed successfully!"
echo ""
echo "📊 Deployment Summary:"
terraform output deployment_summary 2>/dev/null || echo "  Run 'terraform output' to see all outputs"