from ast import excepthandler
from urllib import parse, response
from django import urls
from django.db import models
from django.conf import settings


class AdminAuditLog(models.Model):

    user = models.ForeignKey(
        settings.AUTH_USER_MODEL,
        on_delete=models.DO_NOTHING
    )
    referrer = models.CharField(max_length=255)
    path = models.CharField(max_length=255)
    request_method = models.CharField(max_length=16)
    request_body = models.TextField()
    response_code = models.CharField(max_length=8)
    response_body = models.TextField()
    ip = models.GenericIPAddressField(
        null=True, blank=True)
    ua = models.CharField(max_length=256)  # UserAgent
    created_at = models.DateTimeField(auto_now_add=True)

    class Meta:
        db_table = 'pingcap_admin_audit_logs'

    @property
    def description(self):
        _parse = parse.urlparse(parse.unquote(self.path or ''))
        _desc = ''
        try:
            _resolve = urls.resolve(_parse.path)
            view_class = _resolve.func.view_class
            request_method_name = self.request_method.lower()

            try:
                request_method = getattr(view_class, request_method_name)
            except AttributeError:
                return f'[Method Not Found] {_parse.path}'

            request_method_doc = request_method.__doc__
            if request_method_doc and request_method_doc.startswith('audit_log:'):
                _desc = request_method.__doc__.split('audit_log:')[1]

            for k, v in _resolve.kwargs.items():
                _desc += f' {k}: {v}'

            _desc = _desc.strip()
            if _parse.query:
                _query = dict(parse.parse_qsl(_parse.query))
                if 'search' in _query:
                    _desc += f' 搜索了: {_query["search"]}'
                if 'company_name' in _query:
                    _desc += f' 公司名称: {_query["company_name"]}'
        except urls.exceptions.Resolver404:
            return f'[URL Not Found] {_parse.path}'

        return _desc