#!/bin/bash
# Automated backup script for SignalCore repository
# Runs every 15 minutes to ensure all work is versioned and backed up

# Configuration
REPO_DIR="/data/adaptai/platform/signalcore"
LOG_FILE="/data/adaptai/platform/signalcore/backup.log"
MAX_LOG_SIZE=10485760  # 10MB

# Colors for output
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m' # No Color

# Log function
log() {
    echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a "$LOG_FILE"
}

# Error function
error() {
    echo "$(date '+%Y-%m-%d %H:%M:%S') - ERROR: $1" | tee -a "$LOG_FILE"
    exit 1
}

# Rotate log if too large
rotate_log() {
    if [ -f "$LOG_FILE" ] && [ $(stat -c%s "$LOG_FILE") -gt $MAX_LOG_SIZE ]; then
        mv "$LOG_FILE" "${LOG_FILE}.$(date +%Y%m%d_%H%M%S)"
        log "Rotated log file"
    fi
}

# Main backup function
backup_repository() {
    cd "$REPO_DIR" || error "Cannot change to repository directory"
    
    log "Starting automated backup of SignalCore repository..."
    
    # Check if there are changes
    if git diff --quiet && git diff --staged --quiet; then
        log "${YELLOW}No changes to commit${NC}"
        return 0
    fi
    
    # Add all changes
    git add . || error "Failed to add changes"
    
    # Commit with descriptive message
    COMMIT_MESSAGE="Auto-backup: $(date '+%Y-%m-%d %H:%M:%S') - SignalCore work"
    git commit -m "$COMMIT_MESSAGE" || error "Failed to commit changes"
    
    # Push to both branches
    git push origin main || error "Failed to push main branch"
    git push origin development || error "Failed to push development branch"
    
    log "${GREEN}Backup completed successfully${NC}"
    log "Changes committed and pushed to GitHub"
    
    # Show brief status
    git status --short | head -10 | while read line; do
        log "  $line"
    done
}

# Main execution
main() {
    rotate_log
    log "=== Starting SignalCore Backup ==="
    
    # Check if git is available
    if ! command -v git &> /dev/null; then
        error "Git is not available"
    fi
    
    # Check if in repository
    if ! git rev-parse --git-dir > /dev/null 2>&1; then
        error "Not in a git repository"
    fi
    
    # Perform backup
    backup_repository
    
    log "=== Backup Completed ==="
    echo "" >> "$LOG_FILE"
}

# Run main function
main "$@"