#!/bin/bash

LOG_FILE="/var/log/hugo_sync.log"
SYNC_TO_PRO_LOG="/var/log/sync-to-pro.log"

# Run sync-to-pro first every time with logging
echo "🔄 Running sync-to-pro to update log... (logged to $SYNC_TO_PRO_LOG)"
/home/arul/auto-scripts/professional-site-scripts/sync-content-pro-site/sync-to-pro >> "$SYNC_TO_PRO_LOG" 2>&1

# Function for deployment chain
run_deployment_chain() {
    echo "Changing directory to working path..."
    cd /home/arul/auto-scripts/professional-site-scripts || {
        echo "❌ Failed to cd to working directory."
        exit 1
    }

    echo "1. 🚀 Generating summaries..."
    python3 generate-summaries/summarize.py
    
    echo "2. 📤 Syncing contents from personal site to professional site..."
    sync-content-pro-site/sync-to-pro

    echo "3. 🧐 Checking sync logs..."
    sync-content-pro-site/check-sync-logs

    echo "4. 🗺️ Generating redirect map..."
    python3 redirect-site-upload-map/generate-nginx-map.py

    echo "5. ☁️  Uploading map via SFTP..."
    bash redirect-site-upload-map/upload-map.sftp.sh

    echo "6. 🔄 Restarting Hugo Professional site to update latest contents on Local Home Server 🏠📰"
    cd /var/www/html/professional-site/ && sudo hugo

    echo "7. 🔃 Restarting reverse proxy tunnel in remote tunnel"
    cd /home/arul/auto-scripts/professional-site-scripts && bash sync-content-pro-site/tunnel-reverseproxy-restart

    echo "🎉 Deployment chain completed"
}

# Check log for latest sync status
if [ ! -f "$LOG_FILE" ]; then
    echo "❌ Log file not found: $LOG_FILE"
    exit 1
fi

LATEST_TIMESTAMP=$(tac "$LOG_FILE" | grep -m 1 -oP '^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}' | head -1)

if [ -z "$LATEST_TIMESTAMP" ]; then
    echo "❌ Could not find any timestamp in the log."
    exit 1
fi

LOG_BLOCK=$(awk -v ts="$LATEST_TIMESTAMP" '{
    if ($0 ~ ts) start=1
    if (start) print
}' "$LOG_FILE")

if echo "$LOG_BLOCK" | grep -q "✅ Synced files:"; then
    echo "🔁 Changes detected in latest log block. Proceeding with deployment."
    run_deployment_chain
    exit 0
elif echo "$LOG_BLOCK" | grep -q "☑️ Already in sync. No changes needed."; then
    echo "✅ No changes detected in latest log block. Skipping deployment."
    exit 1
else
    echo "⚠️ Could not determine sync status from latest log block."
    exit 1
fi