from genericpath import isdir
import os
import pandas as pd
import copy
from jinja2 import Environment, BaseLoader, FileSystemLoader
import importlib
import importlib.util
import json
from . import sites
from . import apexchart
from . import meta
from . import secure

# def get_manifest (manifest):
#     if not manifest.endswith('json') and os.path.isdir(manifest):
#         manifest = manifest if not manifest.endswith(os.sep) else os.sep.join(manifest.split(os.sep)[:-1])
#         return os.sep.join([manifest,'qcms-manifest.json'])
#     else:
#         return manifest

class Plugin :
    #
    # decorator for plugin functions, this is a preliminary to enable future developement
    #
    def __init__(self,**_args):
        self._mimetype = _args['mimetype']
        if 'method' in _args :
            _method = _args['method']
            if type(_method) != list :
                _method = [_method]
        else:
            _method = ['POST','GET']
        self._method = _method
    def __call__(self,_callback):
        def wrapper(**_args):
            return _callback(**_args)
        setattr(wrapper,'method',self._method)
        setattr(wrapper,'mimetype',self._mimetype)
        return wrapper
 
    @staticmethod
    def call(**_args):
        """
        This function will execute a plugged-in function given 
        """
        # _uri = _args['uri'] if 'uri' in _args else '/'.join([_args['module'],_args['name']])
        _handler= _args['handler']  #-- handler
        _request= _args['request']
        _uri = _args['uri'] #_request.path[1:]
        #
        # we need to update the _uri (if context/embeded apps)
        #
        _context = _handler.system()['context']
        if _context :
            _uri = f'{_context}/{_uri}'
        _plugins = _handler.plugins()
        _code = 200
        if _uri in _plugins :
            _config = _handler.config() #_args['config']
            

            _pointer = _plugins[_uri]
            if hasattr(_pointer,'mimetype') and _request.method in _pointer.method:
                #
                # we constraint the methods given their execution ...
                _mimeType = _pointer.mimetype
                _data = _pointer(request=_request,config=_config)
            else:
                _mimeType = 'application/octet-stream'
                try:
                    _data,_mimeType = _pointer(request=_request,config=_config)
                    
                except Exception as e:
                    
                    _data = _pointer(request=_request,config=_config)
            if type(_data) == pd.DataFrame :
                _data = _data.to_json(orient='records')
            elif type(_data) in [dict,list] :
                _data = json.dumps(_data)
            pass
        else:
            _code = 404
            #
            # We should generate a 500 error in this case with a message ...
            #
            _mimeType = 'plain/html'
            _data = f"""
                <script>
                    
                </script>
            """
        
        return _data,_code,{'Content-Type':_mimeType}
        pass




@Plugin(mimetype="application/json")
def authorizationURL (**_args):
    # _config = _args['config']
    _source = _args['config']['system']['source']
    #
    # 
    if 'secure' in _source :
        _path = _source['secure']['path']
        f = open(_path)
        _config = json.loads(f.read())
        if _config['method'] in  ['oauth2','oauth20','oauth2.0'] :
            _url = [f"{_key}={_config[_key]}" for _key in _config if _key not in  ['method','authorization_url']]
            
            
        # return _url
        _url = _config['authorization_url']+'?'+'&'.join(_url)
        return {"url":_url,"label":f"Login with {_source['secure']['provider']}"}
    else:
        return {}

@Plugin(mimetype="text/html")
def oauthFinalize (**_args):
    _request = _args['request']
    
    _html = """
        <script src="/static/js/fontawesome/js/all.js"></script>
        
        <script src="/static/js/jx/rpc.js"></script>

        <script>
            var _args =  urlparser(window.location.search)
            if (_args.code){
                var http = HttpClient.instance()
                var _uri = '/login?code='+_args.code
                http.post(_uri,(x)=>{
                    if(x.status == 200){
                        sessionStorage.redirect = x.responseURL
                        window.open(x.responseURL,'_self')
                        console.log(x.responseURL)
                        
                        window.close()
                            
                        
                    }else{
                        
                    }
                })
            }
        </script>
        <div align="center" style="margin-top:35%; justify-items:center">
        <i class="fa-solid fa-cog fa-spin fa-5x" style="color:#CAD5E0"></i>
        <i class="fa-solid fa-cog fa-spin fa-2x" style="color:#ff6500"></i>
        <div style="font-size:13px">Please wait ...</div>
        </div>
    """
    return _html