from account.decorators import login_required
from .models import Folder
from account.models import get_user
from utils.debug import debug_view
from utils.http import make_json_response
from utils.permission import can_delete
from utils.crypto import secure_transport

# Create your views here.


@secure_transport
# @debug_view()
@login_required
def get_root_folder(request):
    # 获取根目录
    user = get_user(request)
    return make_json_response(root_folder_id=user.get_root_folder().folder_id)


# 在根目录下列出所有文件夹与文件
@secure_transport
# @debug_view('folder_id')
@login_required
def folder_list(request):
    data = request.POST
    user = get_user(request)
    folder_id = data.get('folder_id')
    try:
        folder = Folder.objects.get(folder_id=folder_id)
    except:
        return make_json_response(code=400, error='文件夹不存在')
    if not folder.check_permission(user=user):
        return make_json_response(code=404, error='没有权限')
    children_folders = folder.children_folders.all()
    children_files = folder.children_files.all()
    children = [*map(lambda f: {'type': 'folder', **f.to_json()}, children_folders),
                *map(lambda f: {'type': 'file', **f.to_json()}, children_files)]
    return make_json_response(children=children)


# 增文件夹
@secure_transport
# @debug_view('father_folder_id', 'folder_name')
@login_required
def add_folder(request):
    data = request.POST
    user = get_user(request)
    # folder_id_random = ''.join(random.sample(string.digits, 8))
    # father_folder = Folder.objects.filter(folder_id=data.get('father_folder_id')).get()

    father_folder_id = data.get('father_folder_id')
    try:
        father_folder = Folder.objects.get(folder_id=father_folder_id)
    except:
        return make_json_response(code=400, error='文件夹不存在')

    if not father_folder.check_permission(user):
        return make_json_response(code=404, error='没有权限')

    folder_name = data.get('folder_name')
    print(f'folder_name={folder_name} father_folder_id={father_folder_id}')
    Folder.objects.create(folder_name=folder_name, father_folder=father_folder, owner=user, group=father_folder.group)
    return make_json_response()


# 删除文件夹
@secure_transport
# @debug_view('folder_id')
@login_required
def delete_folder(request):
    data = request.POST
    user = get_user(request)
    folder_id = data.get('folder_id')
    try:
        folder = Folder.objects.get(folder_id=folder_id)
    except:
        return make_json_response(code=400, error='无此文件夹')
    if not can_delete(user=user, f=folder):
        return make_json_response(code=404, error='没有删除文件的权限')
    folder.delete()
    return make_json_response()