#!/bin/bash
# Sync dyno.yml from Hetzner host "im"
# Runs via cron every 5 minutes
# Auto-commits and pushes if changes detected

SCRIPTS_DIR=~/scripts
DEST_FILE="$SCRIPTS_DIR/configs/dyno.yml"
LOG_FILE="$SCRIPTS_DIR/logs/sync-dyno.log"

# Ensure dirs exist
mkdir -p "$SCRIPTS_DIR/configs"
mkdir -p "$SCRIPTS_DIR/logs"

# Logging function
log() {
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" >> "$LOG_FILE"
}

# Rotate log if > 1MB
if [ -f "$LOG_FILE" ] && [ $(stat -c%s "$LOG_FILE" 2>/dev/null || echo 0) -gt 1048576 ]; then
    mv "$LOG_FILE" "$LOG_FILE.old"
fi

# Sync file - use explicit SSH options for cron compatibility
if ! rsync -az -e "ssh -o StrictHostKeyChecking=no" maddox@192.168.12.3:/matrix/traefik/config/dyno.yml "$DEST_FILE" 2>> "$LOG_FILE"; then
    log "ERROR: rsync failed"
    exit 1
fi

log "Synced dyno.yml"

# Check for changes and auto-commit/push
cd "$SCRIPTS_DIR"
if [ -d .git ]; then
    if ! git diff --quiet configs/dyno.yml 2>/dev/null; then
        log "Changes detected in dyno.yml"
        
        # Auto-commit
        git add configs/dyno.yml
        git commit -m "Auto-sync dyno.yml $(date '+%Y-%m-%d %H:%M')" >> "$LOG_FILE" 2>&1
        log "Committed changes"
        
        # Auto-push (if remote configured)
        if git remote | grep -q origin; then
            if git push origin main >> "$LOG_FILE" 2>&1; then
                log "Pushed to origin"
            else
                log "ERROR: Push failed"
            fi
        else
            log "No remote configured, skipping push"
        fi
    fi
fi