"""Quart + Hypercorn 应用工厂 —— 内建 DB + 日志服务 + XXL-JOB 生命周期"""

import logging

from quart import Quart
from quart_cors import cors

from supply.core.bootstrap import AppContext
from supply.config import (
    AigcDatabaseConfig,
    LongArticlesDatabaseConfig,
    PiaoquanCrawlerDatabaseConfig,
    AliyunLogConfig,
)
from supply.infra.database.manager import DatabaseManager, create_backend
from supply.infra.observability.logging import LogService
import supply.jobs.test_handler  # noqa: F401 — 触发 @xxl_job 装饰器注册
from supply.jobs.xxl_config import XxlJobConfig
from supply.jobs.xxl_executor import XxlJobExecutor
from supply.server.xxl_endpoints import set_xxl_executor

logger = logging.getLogger(__name__)

_db_configs = {
    "aigc": AigcDatabaseConfig(),
    "long_articles": LongArticlesDatabaseConfig(),
    "piaoquan_crawler": PiaoquanCrawlerDatabaseConfig(),
}


def _build_backends() -> dict:
    """将配置字典转换为后端实例字典"""
    return {
        name: create_backend(name, config)
        for name, config in _db_configs.items()
    }


def create_app() -> Quart:
    """创建 Quart 应用，内建 DB 连接池、日志服务和 XXL-JOB 执行器的生命周期管理"""
    logging.basicConfig(level=logging.INFO)

    log_service = LogService(AliyunLogConfig())
    db = DatabaseManager(_build_backends())
    xxl_config = XxlJobConfig()
    xxl_executor = XxlJobExecutor(xxl_config)

    set_xxl_executor(xxl_executor)

    app = Quart(__name__)
    app = cors(app, allow_origin="*")

    ctx = AppContext()
    ctx.on_startup(log_service.start)
    ctx.on_startup(db.init_pools)
    ctx.on_startup(xxl_executor.start)
    ctx.on_shutdown(xxl_executor.stop)
    ctx.on_shutdown(db.close_pools)
    ctx.on_shutdown(log_service.stop)

    @app.before_serving
    async def startup():
        logger.info("Starting application...")
        await ctx.start_up()
        logger.info("Application started successfully")

    @app.after_serving
    async def shutdown():
        logger.info("Shutting down application...")
        await ctx.shutdown()
        logger.info("Application shutdown successfully")

    return app