from flask import request, Blueprint
from flask_restful import Resource, Api
from os import path, remove, listdir
import logging
from models.config import STATIC_DIR

statics_app = Blueprint('statics', __name__)
api = Api(statics_app)
logger = logging.getLogger(__name__)


class StaticImg(Resource):
    IMG_DIR = path.join(STATIC_DIR, 'img')

    def post(self):
        img_data = request.files['image']
        img_dir = path.join(self.IMG_DIR,
                            request.args.get('type', type=str),
                            request.args.get('filename', type=str))
        img_data.save(img_dir)
        return {'filename': request.args.get('filename', type=str)}

    def delete(self):
        img_dir = path.join(self.IMG_DIR,
                            request.args.get('type', type=str),
                            request.args.get('filename', type=str))
        remove(img_dir)
        return {'filename': request.args.get('filename', type=str)} 


def get_static_imgs_src(type_):
    def allow_ext(filename):
        return '.' in filename and \
           filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
    result = []
    ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif', 'webp'}
    TYPE_IMG_DIR = path.join(STATIC_DIR, 'img', type_)
    base_src = path.join('/img', type_)
    for f in listdir(TYPE_IMG_DIR):
        if not allow_ext(f):
            continue
        result.append(path.join(base_src, f))
    return result


api.add_resource(StaticImg, '/api/statics/img')