import urllib.request
import os
from pathlib import Path
from bingart import BingArt

from custom_apps.utils import cookie_manager
from main_rest.app.utils.parsing_utils import prompt_to_filenames
from main_rest.app.utils.date_utils import D
from const import OUTPUT_FOLDER


class BingArtGenerator:
    
    model = 'dalle3'
    detail = 'art'
    output_folder = os.path.join(OUTPUT_FOLDER,"dalle","art")

    def __init__(self):
        self.bing_art = BingArt(auth_cookie_U=cookie_manager.get_cookie())
        self.prompt = ''
        self.datetime = D.date_file_name()
        Path(self.output_folder).mkdir(parents=True, exist_ok=True)

    def get_image_links(self, prompt, image_len:int):
        """
        이미지 url값 생성
        """
        results = None
        try:
            self.prompt = prompt_to_filenames(prompt)
            results = self.bing_art.generate_images(prompt)

        finally:
            self.bing_art.close_session()
            
            if results == None:
                raise Exception("result is null")
            
            images = results.get("images")
            
            if images != None:
                _temp = []
                for i in images:
                    _temp.append(i.get('url'))
                images = _temp
                
                #중복제거
                images = list(set(_temp))

                if len(images) < image_len:
                    return images[0:len(images)]
                else:
                    return images[0:image_len]
            else:
                return None
            
    def link_to_img(self, img_links:list):
        """
        이미지 링크로 이미지 파일 저장
        """
        jpeg_index = 1
        
        if img_links == None:
            raise Exception("result is null")
        
        for i in img_links:
            path= f"{self.model}_{self.detail}_{self.prompt}_{jpeg_index}_{self.datetime}.png"

            urllib.request.urlretrieve(i, os.path.join(self.output_folder,path))
            jpeg_index += 1
            
    def get_images(self, prompt, image_len):
        image_links = self.get_image_links(prompt,image_len)
        
        if image_links == None:
            return 0
        
        else:
            self.link_to_img(img_links=image_links)
            return len(image_links)