#!/bin/bash
# Demo 1: Server Creation with Provisioning Platform
# Time: ~30 seconds
# Shows: Configuration validation, dry-run preview, cost estimation

set -e

echo "╔════════════════════════════════════════════════════════╗"
echo "║  Demo 1: Server Creation with Provisioning Platform   ║"
echo "║  Time: ~30 seconds                                     ║"
echo "╚════════════════════════════════════════════════════════╝"
echo ""

# Step 1: Show command
echo "Step 1️⃣  Type-safe server creation command"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "$ provisioning server create web-01 \\"
echo "    --provider upcloud \\"
echo "    --plan 2xCPU-4GB \\"
echo "    --zone de-fra1 \\"
echo "    --infra demo \\"
echo "    --check"
echo ""
sleep 2

# Step 2: Configuration validation
echo "Step 2️⃣  Configuration validation (KCL schema checking)"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "✓ Server name: 'web-01' (valid)"
echo "✓ Provider: 'upcloud' (supported)"
echo "✓ Plan: '2xCPU-4GB' (valid configuration)"
echo "✓ Zone: 'de-fra1' (valid region)"
echo "✓ Infrastructure: 'demo' (exists)"
echo "✓ All validations passed!"
echo ""
sleep 2

# Step 3: Dry-run output
echo "Step 3️⃣  Dry-run preview (--check mode, no actual changes)"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "┌─────────────────────────────────────────┐"
echo "│ Server Configuration Preview (Dry-Run)  │"
echo "├─────────────────────────────────────────┤"
echo "│                                         │"
echo "│ Name:           web-01                  │"
echo "│ Provider:       UpCloud                 │"
echo "│ Plan:           2xCPU-4GB               │"
echo "│ Zone:           de-fra1                 │"
echo "│ Estimated Cost: €15/month               │"
echo "│ Deployment Time: ~45 seconds            │"
echo "│                                         │"
echo "│ Status: ✓ Ready to deploy               │"
echo "│ (No changes made - dry-run mode)        │"
echo "│                                         │"
echo "└─────────────────────────────────────────┘"
echo ""
sleep 2

# Step 4: Cost estimation
echo "Step 4️⃣  Cost estimation and impact analysis"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "Resource Cost Breakdown:"
echo "  • Compute (2 CPU):        €8.50/month"
echo "  • Memory (4GB):           €4.20/month"
echo "  • Storage (50GB):         €2.30/month"
echo "                            ───────────"
echo "  TOTAL MONTHLY COST:       €15.00/month"
echo ""
echo "Infrastructure Impact:"
echo "  • Total servers in 'demo': 1 → 2"
echo "  • Total cost in 'demo':    €10 → €25/month"
echo "  • Additional monthly cost: +€15.00"
echo ""
sleep 2

# Step 5: Summary
echo "Step 5️⃣  Summary"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "✓ Configuration validated (type-safe)"
echo "✓ Dry-run successful (no actual changes)"
echo "✓ Cost estimated: €15/month"
echo "✓ Ready for deployment"
echo ""
echo "To actually deploy, run:"
echo "  $ provisioning server create web-01 --infra demo"
echo ""
echo "To rollback after deployment:"
echo "  $ provisioning server delete web-01"
echo ""
echo "╔════════════════════════════════════════════════════════╗"
echo "║  Key Insight: Validation BEFORE deployment = 0 errors  ║"
echo "╚════════════════════════════════════════════════════════╝"