import time
from apscheduler.schedulers.background import BackgroundScheduler
from utils.logger import logger
from config.settings import YAML_OUTPUT_PATH,SCHEDULE_EXPORT, SCHEDULE_DELETE
from core.get_vm_snapshots import get_all_vms
from core.data_exporter import create_excel_report, export_yaml
from core.remove_snapshots import load_old_snapshots, remove_snapshot


def export_files():
    """导出Excel和Yaml文件的函数"""
    logger.info("🔍 开始收集VM和快照信息...")
    vms = get_all_vms()  # 主函数入口，获取虚拟机信息

    # 导出Excel报表
    logger.info("📝 开始导出Excel报表...")
    old_snapshots = create_excel_report(vms)  # 生成Excel报告并获取旧快照

    # 导出Yaml文件
    logger.info("📝 开始导出 Yaml 文件...")
    export_yaml(old_snapshots)
    logger.info("========== Excel和Yaml文件导出完成 ==========")


def delete_old_snapshots():
    """删除旧快照的函数"""
    logger.info("🗑️  开始删除过旧快照...")
    old_snapshots = load_old_snapshots(YAML_OUTPUT_PATH)
    remove_snapshot(old_snapshots)
    logger.info("========== VM快照清理任务执行完成 ==========")


def main():
    """主执行函数"""
    export_conf = SCHEDULE_EXPORT    # 从配置读取导出任务时间
    delete_conf = SCHEDULE_DELETE    # 从配置读取删除任务时间

    scheduler = BackgroundScheduler()    # 设置定时任务调度器
    scheduler.start()  # 开始调度器

    logger.info(f"✓ 导出任务已设置: 每周 {export_conf['day_of_week']} {export_conf['hour']:02d}:{export_conf['minute']:02d}")  # :02d 数字格式化选项，用于让数字显示为至少2位，不足补零。
    logger.info(f"✓ 删除任务已设置: 每周 {delete_conf['day_of_week']} {delete_conf['hour']:02d}:{delete_conf['minute']:02d}")

    try:
        # 保持主程序运行，以便调度器能正常工作
        while True:
            time.sleep(1)

    except (KeyboardInterrupt, SystemExit):
        scheduler.shutdown()


if __name__ == "__main__":
    main()