#!/bin/bash
# S3 Log Monitor Demo - Usage examples for foxhunt-deploy monitor command

set -e

echo "=== S3 Log Monitor Demo ==="
echo ""

# Check prerequisites
if [[ -z "$AWS_ACCESS_KEY_ID" ]]; then
    echo "ERROR: AWS_ACCESS_KEY_ID not set"
    echo "Please set RunPod S3 credentials:"
    echo "  export AWS_ACCESS_KEY_ID='your_key'"
    echo "  export AWS_SECRET_ACCESS_KEY='your_secret'"
    exit 1
fi

# Example pod ID (replace with your actual pod ID)
POD_ID="${1:-dy2bn5ninzaxma}"

echo "Pod ID: $POD_ID"
echo ""

# Function to run example
run_example() {
    local description="$1"
    local command="$2"

    echo "────────────────────────────────────────────────────────────────"
    echo "Example: $description"
    echo "Command: $command"
    echo "────────────────────────────────────────────────────────────────"
    echo ""
    echo "Press Enter to run (or Ctrl+C to skip)..."
    read -r

    eval "$command"
    echo ""
}

# Example 1: List available log files
run_example \
    "List all log files for the pod" \
    "foxhunt-deploy monitor $POD_ID --list"

# Example 2: Show last 20 lines
run_example \
    "Show last 20 lines of logs" \
    "foxhunt-deploy monitor $POD_ID --tail 20"

# Example 3: Show last 50 lines
run_example \
    "Show last 50 lines of logs" \
    "foxhunt-deploy monitor $POD_ID --tail 50"

# Example 4: Follow logs in real-time
echo "────────────────────────────────────────────────────────────────"
echo "Example: Follow logs in real-time (Ctrl+C to exit)"
echo "Command: foxhunt-deploy monitor $POD_ID --follow"
echo "────────────────────────────────────────────────────────────────"
echo ""
echo "This will stream logs continuously. Press Ctrl+C to stop."
echo "Press Enter to start..."
read -r

foxhunt-deploy monitor "$POD_ID" --follow

# Example 5: Follow with initial tail
echo ""
echo "────────────────────────────────────────────────────────────────"
echo "Example: Follow logs with initial 10 lines"
echo "Command: foxhunt-deploy monitor $POD_ID --follow --tail 10"
echo "────────────────────────────────────────────────────────────────"
echo ""
echo "Press Enter to start (Ctrl+C to stop)..."
read -r

foxhunt-deploy monitor "$POD_ID" --follow --tail 10

# Example 6: Filter by pattern
echo ""
echo "────────────────────────────────────────────────────────────────"
echo "Example: Filter logs for 'epoch' or 'loss'"
echo "Command: foxhunt-deploy monitor $POD_ID --follow --filter 'epoch|loss'"
echo "────────────────────────────────────────────────────────────────"
echo ""
echo "Press Enter to start (Ctrl+C to stop)..."
read -r

foxhunt-deploy monitor "$POD_ID" --follow --filter "epoch|loss"

# Example 7: Filter for errors only
echo ""
echo "────────────────────────────────────────────────────────────────"
echo "Example: Show only errors and warnings"
echo "Command: foxhunt-deploy monitor $POD_ID --follow --filter 'ERROR|WARN'"
echo "────────────────────────────────────────────────────────────────"
echo ""
echo "Press Enter to start (Ctrl+C to stop)..."
read -r

foxhunt-deploy monitor "$POD_ID" --follow --filter "ERROR|WARN"

echo ""
echo "=== Demo Complete ==="
echo ""
echo "Common usage patterns:"
echo ""
echo "1. Quick check: Show last 20 lines"
echo "   foxhunt-deploy monitor $POD_ID --tail 20"
echo ""
echo "2. Monitor training: Follow in real-time"
echo "   foxhunt-deploy monitor $POD_ID --follow"
echo ""
echo "3. Debug errors: Filter for problems"
echo "   foxhunt-deploy monitor $POD_ID --follow --filter 'ERROR|WARN|CRITICAL'"
echo ""
echo "4. Track metrics: Filter for training stats"
echo "   foxhunt-deploy monitor $POD_ID --follow --filter 'epoch.*loss|accuracy'"
echo ""
echo "5. List logs: See all available log files"
echo "   foxhunt-deploy monitor $POD_ID --list"
echo ""