# 视图和调度模块：views.py
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
from django.views.decorators.http import require_POST
from .backup_utils import backup_database
from apscheduler.schedulers.background import BackgroundScheduler
from django.conf import settings
import logging

logger = logging.getLogger(__name__)

# 初始化调度器
scheduler = BackgroundScheduler()

def scheduled_backup():
    """定时备份任务"""
    try:
        backup_path = backup_database()
        logger.info(f"定时备份完成: {backup_path}")
    except Exception as e:
        logger.error(f"定时备份失败: {str(e)}")

# 启动定时备份（每小时执行一次）
if not scheduler.running:
    scheduler.add_job(
        scheduled_backup,
        'cron',
        hour='*/6',  # 每6小时执行一次
        minute=0,    # 在0分钟时执行
        id='db_backup_job'
    )
    scheduler.start()

@csrf_exempt
@require_POST
def trigger_backup(request):
    """手动触发备份的API接口"""
    try:
        backup_path = backup_database()
        return JsonResponse({
            'status': 'success',
            'message': 'Database backup completed',
            'path': backup_path
        })
    except Exception as e:
        return JsonResponse({
            'status': 'error',
            'message': str(e)
        }, status=500)