import xml.etree.ElementTree as ET
import requests, json
import logging

# 로거 인스턴스 가져오기
logger = logging.getLogger('default_logger')

class Kipris_API:
    def __init__(self, apikey=None):
        self.url = 'http://kipo-api.kipi.or.kr/openapi/service/trademarkInfoSearchService/getWordSearch'
        self.apikey = apikey
        self.results = {}
        filename = 'kiprisCategories.json'
        self.category_description = self.load_category_descriptions(filename)

    def fetch_and_decode(self, params):
        # API 요청 및 응답 받기
        try:
            response = requests.get(self.url, params=params)
            decoded_data = response.content.decode('utf-8')
            return decoded_data
        except Exception as e:
            logger.error(f"키프리스 요청 중 에러발생 : {e}")

    def parse_xml(self, xml_data, status):
        # XML 데이터 파싱
        root = ET.fromstring(xml_data)
        total_items = 0
        status_registered = 0
        status_published = 0
        
        # 'body/items/item' 경로에 맞춰 'item' 태그를 순회하면서 필요한 데이터 추출
        for i, item in enumerate(root.findall('.//body/items/item')):
            total_items += 1
            application_status = item.find('applicationStatus').text if item.find('applicationStatus') is not None else None

            product_category = item.find('classificationCode').text if item.find('classificationCode') is not None else None
            if product_category:
                category_desc = self.add_category_description(product_category) if product_category else "No category description"
            else:
                category_desc = None
            # 각 상태의 개수를 카운트
            if application_status == "등록":
                status_registered += 1
            if application_status == "공개":
                status_published += 1

            # if application_status in ["등록", "공개"]:
            if application_status in status:  # status는 self.set_status 리스트를 참조

                self.results[f"result_{i+1}"] = {
                    "index_no": item.find('indexNo').text if item.find('indexNo') is not None else None,
                    "application_number": item.find('applicationNumber').text if item.find('applicationNumber') is not None else None,
                    "application_date": item.find('applicationDate').text if item.find('applicationDate') is not None else None,
                    "publication_number": item.find('publicationNumber').text if item.find('publicationNumber') is not None else None,
                    "publication_date": item.find('publicationDate').text if item.find('publicationDate') is not None else None,
                    "registration_date": item.find('registrationDate').text if item.find('registrationDate') is not None else None,
                    "registration_number": item.find('registrationNumber').text if item.find('registrationNumber') is not None else None,
                    "applicant_name": item.find('applicantName').text if item.find('applicantName') is not None else None,
                    "agent_name": item.find('agentName').text if item.find('agentName') is not None else None,
                    "title": item.find('title').text if item.find('title') is not None else None,
                    "drawing_url": item.find('drawing').text if item.find('drawing') is not None else None,
                    "big_drawing_url": item.find('bigDrawing').text if item.find('bigDrawing') is not None else None,
                    "full_text": item.find('fullText').text if item.find('fullText') is not None else None,
                    "application_status": application_status,
                    "classification_code": item.find('classificationCode').text if item.find('classificationCode') is not None else None,
                    "category_description": category_desc
                }
                # self.results.append(result)

        # 상태 개수와 총 아이템 개수 출력
        logger.debug(f"검색된 item 총 개수: {total_items}")
        self.results['total_count'] = total_items
        logger.debug(f"등록 상태인 item 개수: {status_registered}")
        logger.debug(f"공개 상태인 item 개수: {status_published}")

    def get_results(self):
        return self.results

    def run(self, keyword, status):
        params = {
            'serviceKey': self.apikey,
            'searchString': keyword,
            'searchRecentYear': '0',
            'title': '',
            'fullText': '',
            'drawing': '',
            'bigDrawing': ''
        }
        logger.debug(f" Search params : {params}")
        try:
            xml_data = self.fetch_and_decode(params)
            self.parse_xml(xml_data, status)
        except Exception as e:
            logger.error(f"API 요청 중 에러발생 : {e}")

        return self.get_results()

    def close_Kipris(self):
        pass

    def load_category_descriptions(self, filename):
        """JSON 파일에서 카테고리 설명을 로드합니다."""
        with open(filename, 'r', encoding='utf-8') as file:
            return json.load(file)

    def add_category_description(self, category_code):
        """각 분류 코드를 설명과 함께 포맷합니다."""
        descriptions = []
        codes = category_code.split('|')
        for code in codes:
            description = self.category_description.get(code, "카테고리 설명을 찾을 수 없습니다.")
            descriptions.append(f"[{code}] - {description}")
        return "; ".join(descriptions)