import requests
import json
import base64
from odoo import http
from odoo.http import request
class SharePointController(http.Controller):
    # --- Konfigurasi (Sebaiknya simpan di ir.config_parameter) ---
    TENANT_ID = 'your-tenant-id'
    CLIENT_ID = 'your-client-id'
    CLIENT_SECRET = 'your-client-secret'
    # Site ID didapat via API request ke Graph (lihat poin 5)
    SITE_ID = 'your-sharepoint-site-id' 
    DRIVE_ID = 'your-drive-id-usually-documents-library'
    def _get_access_token(self):
        """Mendapatkan Token OAuth dari Azure AD"""
        url = f"https://login.microsoftonline.com/{self.TENANT_ID}/oauth2/v2.0/token"
        headers = {'Content-Type': 'application/x-www-form-urlencoded'}
        data = {
            'client_id': self.CLIENT_ID,
            'scope': 'https://graph.microsoft.com/.default',
            'client_secret': self.CLIENT_SECRET,
            'grant_type': 'client_credentials',
        }
        
        response = requests.post(url, headers=headers, data=data)
        if response.status_code == 200:
            return response.json().get('access_token')
        else:
            raise Exception(f"Gagal Auth: {response.text}")
    @http.route('/integrasi/upload_sharepoint', type='json', auth='user')
    def upload_file(self, filename, file_content_base64):
        """
        Endpoint untuk menerima file dari Odoo dan push ke SharePoint.
        file_content_base64: Binary file dalam format base64
        """
        token = self._get_access_token()
        
        # Endpoint Graph API untuk upload file kecil (<4MB)
        # Untuk file besar, gunakan metode 'createUploadSession'
        endpoint = f"https://graph.microsoft.com/v1.0/sites/{self.SITE_ID}/drives/{self.DRIVE_ID}/root:/{filename}:/content"
        
        headers = {
            'Authorization': f'Bearer {token}',
            'Content-Type': 'application/octet-stream' # Sesuaikan mime type jika perlu
        }
        
        # Decode base64 ke binary
        file_data = base64.b64decode(file_content_base64)
        response = requests.put(endpoint, headers=headers, data=file_data)
        
        if response.status_code in [200, 201]:
            return {
                'status': 'success', 
                'sharepoint_url': response.json().get('webUrl'),
                'id': response.json().get('id')
            }
        else:
            return {'status': 'error', 'message': response.text}