from django.shortcuts import render
from ninja import Router
from django.http import JsonResponse
from django.views.decorators.http import require_http_methods
from django.views.decorators.csrf import csrf_exempt
from django.conf import settings
import os
import uuid
from datetime import datetime

# Create your views here.
router = Router(tags=['content'])


@csrf_exempt
@require_http_methods(["POST"])
def custom_upload_file(request):
    """
    自定义 CKEditor 5 上传视图
    支持：图片 + PDF / Word / Excel / ZIP 等所有文件
    """
    file = request.FILES.get('upload')
    if not file:
        return JsonResponse({"error": "请选择文件"}, status=400)

    # 安全处理文件名（避免中文/特殊字符报错）
    ext = file.name.split('.')[-1].lower()
    filename = f"{uuid.uuid4().hex}_{datetime.now().strftime('%Y%m%d%H%M%S')}.{ext}"

    # 保存路径
    upload_dir = os.path.join(settings.MEDIA_ROOT, 'uploads')
    os.makedirs(upload_dir, exist_ok=True)
    file_path = os.path.join(upload_dir, filename)

    # 保存文件
    with open(file_path, 'wb+') as f:
        for chunk in file.chunks():
            f.write(chunk)

    # 返回文件 URL（CKEditor 规范格式）
    file_url = f"{settings.MEDIA_URL}uploads/{filename}"
    return JsonResponse({
        "url": file_url,
        "default": file_url
    })