#!/bin/bash
# Demo 3: Batch Workflow - Multi-Cloud Orchestration
# Time: ~2 minutes
# Shows: Multi-provider orchestration, dependency management, real-time progress

set -e

echo "╔════════════════════════════════════════════════════════╗"
echo "║  Demo 3: Batch Workflow - Multi-Cloud Orchestration   ║"
echo "║  Time: ~2 minutes                                      ║"
echo "╚════════════════════════════════════════════════════════╝"
echo ""

# Step 1: Show command
echo "Step 1️⃣  Batch workflow submission"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "$ provisioning batch submit workflows/web_app.k"
echo ""
sleep 2

# Step 2: Show batch definition
echo "Step 2️⃣  Batch Workflow Definition (KCL)"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "batch_workflow: BatchWorkflow = {"
echo "    name = \"web_app_deployment\""
echo "    parallel_limit = 5"
echo ""
echo "    operations = ["
echo "        {id = \"upcloud_db\", provider = \"upcloud\"},"
echo "        {id = \"aws_compute\", provider = \"aws\","
echo "         dependencies = [\"upcloud_db\"]},"
echo "        {id = \"local_cache\", provider = \"local\","
echo "         dependencies = [\"aws_compute\"]}"
echo "    ]"
echo "}"
echo ""
sleep 2

# Step 3: Parsing and validation
echo "Step 3️⃣  Parsing & Validation"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "✓ KCL syntax validated"
echo "✓ Schema compliance checked"
echo "✓ Dependency graph validated (no cycles)"
echo "✓ Provider credentials verified"
echo "  • UpCloud: ✓ authenticated"
echo "  • AWS: ✓ authenticated (role: provisioning-deployer)"
echo "  • Local: ✓ accessible"
echo "✓ All validations passed"
echo ""
sleep 2

# Step 4: Orchestration plan
echo "Step 4️⃣  Dependency Resolution & Orchestration Plan"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "Execution Graph:"
echo ""
echo "    upcloud_db (2 min)"
echo "        ↓"
echo "    aws_compute (3 min)"
echo "        ↓"
echo "    local_cache (1 min)"
echo ""
echo "Sequential Dependency Chain: ✓ Verified"
echo "Total estimated time: ~6 minutes (sequential)"
echo ""
sleep 2

# Step 5: Real-time progress
echo "Step 5️⃣  Real-Time Workflow Progress"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

# Simulate progress
for i in {1..5}; do
    echo "[$(date +%H:%M:%S)] Workflow ID: batch-20241114-001234"
    echo "Status: RUNNING"
    echo ""
    echo "Task Progress:"

    if [ $i -ge 1 ]; then
        echo "  ✓ upcloud_db            [████████████████████] 100% (2min 00sec)"
    else
        echo "  ⧖ upcloud_db            [████░░░░░░░░░░░░░░░░] 20%"
    fi

    if [ $i -ge 2 ]; then
        echo "  ✓ aws_compute           [████████████████████] 100% (3min 00sec)"
    elif [ $i -gt 1 ]; then
        echo "  ⧖ aws_compute           [████████░░░░░░░░░░░░] 40%"
    else
        echo "  ⏳ aws_compute           [░░░░░░░░░░░░░░░░░░░░] 0% (waiting)"
    fi

    if [ $i -ge 3 ]; then
        echo "  ✓ local_cache           [████████████████████] 100% (1min 00sec)"
    elif [ $i -gt 2 ]; then
        echo "  ⧖ local_cache           [██░░░░░░░░░░░░░░░░░░] 10%"
    else
        echo "  ⏳ local_cache           [░░░░░░░░░░░░░░░░░░░░] 0% (waiting)"
    fi

    echo ""
    echo "Overall Progress: $(($i * 20))%"
    echo "Elapsed: ~$(($i))min Remaining: ~$((6 - $i))min"
    echo ""
    echo "─────────────────────────────────────────────────────"
    echo ""

    sleep 1
done

# Final status
echo "Step 6️⃣  Final Status"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "╔════════════════════════════════════════════════════╗"
echo "║ Batch Workflow: SUCCESS ✓                          │"
echo "├────────────────────────────────────────────────────┤"
echo "│ Workflow ID:     batch-20241114-001234            │"
echo "│ Total Duration:  6 minutes 2 seconds              │"
echo "│                                                  │"
echo "│ Tasks Completed:                                 │"
echo "│   ✓ upcloud_db      (2 servers created)          │"
echo "│   ✓ aws_compute     (1 auto-scaling group)       │"
echo "│   ✓ local_cache     (1 cache instance)           │"
echo "│                                                  │"
echo "│ Resources Created:                               │"
echo "│   • 2 servers @ UpCloud (Frankfurt)              │"
echo "│   • 4 instances @ AWS EC2 (us-east-1)            │"
echo "│   • 1 cache @ Local (Redis)                      │"
echo "│                                                  │"
echo "│ Network Configuration:                           │"
echo "│   • VPN tunnel: UpCloud ↔ AWS ✓                  │"
echo "│   • DNS: Configured ✓                            │"
echo "│   • Load balancer: Active ✓                      │"
echo "│                                                  │"
echo "│ Cost Estimation:                                 │"
echo "│   • Monthly: €450 (UpCloud) + $200 (AWS)         │"
echo "│   • Hourly: €19.50/hr                            │"
echo "│                                                  │"
echo "│ Audit Trail: Complete ✓                          │"
echo "│   Logged all actions for compliance               │"
echo "│                                                  │"
echo "╚════════════════════════════════════════════════════╝"
echo ""

# Step 7: Access details
echo "Step 7️⃣  Access Your Deployment"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""
echo "Your web application is now running!"
echo ""
echo "Access Points:"
echo "  • Web API: https://api.demo.example.com"
echo "  • Admin Dashboard: https://admin.demo.example.com"
echo "  • Database: db-01.upcloud.example.com:5432"
echo "  • Cache: cache-01.local.example.com:6379"
echo ""
echo "Management:"
echo "  $ provisioning batch status batch-20241114-001234"
echo "  $ provisioning batch monitor batch-20241114-001234 --logs"
echo "  $ provisioning audit query --workflow batch-20241114-001234"
echo ""
echo "To rollback in case of issues:"
echo "  $ provisioning batch rollback batch-20241114-001234"
echo ""
echo "╔════════════════════════════════════════════════════════╗"
echo "║  Key Insights:                                        ║"
echo "║  • Single workflow, multiple clouds                    ║"
echo "║  • Automatic dependency sequencing                     ║"
echo "║  • Type-safe configuration (KCL)                       ║"
echo "║  • Real-time monitoring & audit trail                  ║"
echo "║  • Easy rollback if needed                             ║"
echo "╚════════════════════════════════════════════════════════╝"