import requests
import time

class EvaluationProcessor:
    def __init__(self, api_key):
        self.api_key = api_key
        self.audio_url = 'https://test.aitanzou.com/web/api/submit_audio'
        self.video_url = 'https://test.aitanzou.com/web/api/submit_video'
        self.result_url = 'https://test.aitanzou.com/web/api/getEvaluationResult'
        self.headers = {
            'API-Key': self.api_key
        }

    def submit_evaluation(self, file_path, music_id=None, hand=-1, order_start=0, order_end=-1, repeat_type=0, is_video=False):
        url = self.video_url if is_video else self.audio_url
        
        files = {
            'file': ("video_file.mp4", open(file_path, 'rb'),  'video/mp4')  # 确保给文件指定一个名称
        }
        data = {
            'musicId': music_id,
            'hand': hand,
            'orderStart': order_start,
            'orderEnd': order_end,
            'repeatType': repeat_type
        }
        response = requests.post(url, headers=self.headers, files=files, data=data)
        if response.status_code == 200:
            data = response.json()
            task_id = data['data']['taskId']
            return task_id
        else:
            raise Exception(f'Error: {response.status_code}, {response.text}')

    def get_evaluation_result(self, task_id):
        params = {'taskId': task_id}
        while True:
            result_response = requests.get(self.result_url, headers=self.headers, params=params)
            if result_response.status_code == 200:
                result_data = result_response.json()
                status = result_data['data']['status']
                if status in ['pending', 'processing']:
                    print(f'Task is still {status}...')
                    time.sleep(2)
                elif status == 'completed':
                    return result_data['data']
                else:
                    raise Exception(f'Task failed: {result_data["message"]}')
            else:
                raise Exception(f'Error: {result_response.status_code}, {result_response.text}')
    
    def process_evaluation(self, file_path, music_id=None, hand=-1, order_start=0, order_end=-1, repeat_type=0, is_video=False):
        task_id = self.submit_evaluation(file_path, music_id, hand, order_start, order_end, repeat_type, is_video)
        return self.get_evaluation_result(task_id)