import requests
from urllib.parse import urljoin
from datetime import date, datetime
import json
class django_crud_api():
    def __init__(self,**kwargs):
        self.endpoint=kwargs.get('endpoint')
        
    def find(self, filter):
        try:
            r = requests.request('GET', self.endpoint, params={'format':'json',**filter})
            r.raise_for_status()
            r=r.json()
        except requests.exceptions.RequestException as e:
            print(e)
            return None
        return r
    def find_one(self,filter):
        r=self.find(filter)
        if r is None:
            return None
        if len(r)>1:
            raise LookupError("Mehr als ein Objekt von der API zurückgegeben filter: %s" % str(filter))
        if len(r)==0:
            return None
        return r[0]

    def get(self,pk):
        try:
            r = requests.request('GET', urljoin(self.endpoint,pk), params={'format':'json'})
            r=r.json()
        except requests.exceptions.RequestException as e:
            print(e)
            return None
        return r
        
    def update(self,pk,d):
        try: 
            files=d.pop("files",None)
            headers = None #{'Content-type': 'multipart/form-data'}
            print("Updated %s " % pk)
            r = requests.request('PUT', urljoin(self.endpoint,pk)+"/", headers=headers,data=d,files=files)
            r.raise_for_status()           
        except requests.exceptions.RequestException as e:
            print(e)
            if r:
                print(r.text)
            print(d.keys())
            print("Tryed to reach %s with PUT Action" % urljoin(self.endpoint,pk))
            return None
        
        
        if r.status_code==200:
            r=r.json()
        
        return r

    def create(self, d):
        try:
            files=d.pop("files",None)
            headers = None #{'Content-type': 'application/json'}
            #print("Create %s" % d["slug"])
            # print("Create with data  %s" % str(d))
            #for k in d:
            #    if type(d[k]) is date:
            #        d[k]=str(d[k])
            r = requests.post(self.endpoint,headers=headers,data=d,files=files)
            r.raise_for_status()
        except requests.exceptions.RequestException as e:
            print(e)
            if r and r.status_code==400:
                print(r.text)
            print("Tryed to reach %s with POST Action" % self.endpoint)

            
            return r.status_code, None
        if r.status_code==201:
            return r.status_code, r.json()
        #print(r)    
        return r.status_code, r