# -*- coding: utf-8 -*-
import logging
import sys
from odoo import models, fields, api, SUPERUSER_ID

_logger_db = logging.getLogger('yuthon.db_log')


class SystemLogs(models.Model):
    _name = 'system.logs'
    _description = '系统日志'
    _order = 'date desc'

    name = fields.Char(string="标题")
    date = fields.Datetime(string="时间", default=fields.Datetime.now)
    level = fields.Char(string="级别")
    logger_name = fields.Char(string="来源")
    content = fields.Text(string="内容")


class OdooDBLogHandler(logging.Handler):
    """将日志写入 system.logs 模型"""

    def emit(self, record):
        if record.levelno < logging.INFO:
            return
        try:
            import odoo
            db_name = getattr(odoo.tools.config, 'db_name', None)
            if not db_name:
                return
            db = odoo.sql_db.db_connect(db_name)
            with db.cursor() as cr:
                env = api.Environment(cr, SUPERUSER_ID, {})
                msg = record.getMessage() or ''
                env['system.logs'].create({
                    'name': msg[:80],
                    'date': fields.Datetime.now(),
                    'level': record.levelname,
                    'logger_name': record.name,
                    'content': msg,
                })
                cr.commit()
        except Exception as e:
            # 写 DB 失败时 fallback 到 stderr，避免静默吞掉
            sys.stderr.write(f"[system.logs] DB write failed: {e}\n")


# 注册 Handler（只注册一次）
_handler_key = 'odoo_db_log_handler'
_root_logger = logging.getLogger()
if not any(getattr(h, 'name', None) == _handler_key for h in _root_logger.handlers):
    handler = OdooDBLogHandler()
    handler.name = _handler_key
    handler.setLevel(logging.INFO)
    _root_logger.addHandler(handler)
    sys.stderr.write("[system.logs] Handler registered\n")