import requests
import base64
import os

def create_voice_and_play():
    api_key = os.getenv("DASHSCOPE_API_KEY")
    
    if not api_key:
        print("Error: The DASHSCOPE_API_KEY environment variable was not found. Please set the API Key first")
        return None, None, None
    
    headers = {
        "Authorization": f"Bearer {api_key}",
        "Content-Type": "application/json"
    }
    
    data = {
        "model": "qwen-voice-design",
        "input": {
            "action": "create",
            "target_model": "qwen3-tts-vd-realtime-2025-12-16",
            "voice_prompt": "A composed middle-aged male announcer with a deep, rich and magnetic voice, a steady speaking speed and clear articulation, is suitable for news broadcasting or documentary commentary.",
            "preview_text": "Dear listeners, hello everyone. Welcome to the evening news.",
            "preferred_name": "announcer",
            "language": "en"
        },
        "parameters": {
            "sample_rate": 24000,
            "response_format": "wav"
        }
    }
    
    url = "https://dashscope-intl.aliyuncs.com/api/v1/services/audio/tts/customization"
    
    try:
        response = requests.post(
            url,
            headers=headers,
            json=data,
            timeout=60
        )
        
        if response.status_code == 200:
            result = response.json()
            
            voice_name = result["output"]["voice"]
            print(f"voice name: {voice_name}")
            
            base64_audio = result["output"]["preview_audio"]["data"]
            
            audio_bytes = base64.b64decode(base64_audio)
            
            filename = f"{voice_name}_preview.wav"
            
            with open(filename, 'wb') as f:
                f.write(audio_bytes)
            
            print(f"The audio has been saved to a local file: {filename}")
            print(f"File path: {os.path.abspath(filename)}")
            
            return voice_name, audio_bytes, filename
        else:
            print(f"Request failed. Status code: {response.status_code}")
            print(f"Response: {response.text}")
            return None, None, None
            
    except requests.exceptions.RequestException as e:
        print(f"Net error: {e}")
        return None, None, None
    except KeyError as e:
        print(f"The response data format is incorrect and necessary fields are missing: {e}")
        print(f"Response: {response.text if 'response' in locals() else 'No response'}")
        return None, None, None
    except Exception as e:
        print(f"An unknown error occurred: {e}")
        return None, None, None

if __name__ == "__main__":
    voice_name, audio_data, saved_filename = create_voice_and_play()
    
    if voice_name:
        print(f"\nThe voice was successfully created '{voice_name}'")
        print(f"The audio file has been saved: '{saved_filename}'")
        print(f"File size: {os.path.getsize(saved_filename)} ")
    else:
        print("\nThe voice creation failed")