import logging
import os
import uuid
import tempfile
import shutil
import sys
from fastapi import APIRouter, UploadFile, File, Form

# 配置日志
logger = logging.getLogger(__name__)
router = APIRouter(prefix="/api/xunFeiCn", tags=["讯飞"])

# 音频保存目录
UPLOAD_DIR = os.path.join(os.path.dirname(__file__), "..", "static", "audio")
os.makedirs(UPLOAD_DIR, exist_ok=True)

# 讯飞配置
sys.path.append(os.path.join(os.path.dirname(__file__), ".."))
from Config.Config import XF_APPID, XF_APIKEY, XF_APISECRET

@router.post("/save-audio")
async def save_audio(audio: UploadFile = File(...), txt: str = Form(...), language: str = Form("english")):  # 添加语言参数，默认英文
    """保存音频文件并评分"""
    temp_file = None
    try:
        # 1. 保存音频到临时文件
        temp_dir = tempfile.mkdtemp()
        temp_file = os.path.join(temp_dir, f"temp_{uuid.uuid4().hex}.wav")
        
        content = await audio.read()
        with open(temp_file, "wb") as f:
            f.write(content)

        # 3. 保存到正式目录
        file_name = f"audio_{uuid.uuid4().hex}.wav"
        file_path = os.path.join(UPLOAD_DIR, file_name)
        shutil.copy2(temp_file, file_path)
        logger.info(f"已保存文件到: {file_path}")

        # 添加wav转mp3功能
        import subprocess
        mp3_temp_file = os.path.join(temp_dir, f"temp_{uuid.uuid4().hex}.mp3")
        try:
            # 使用ffmpeg将wav转换为mp3
            subprocess.run(
                ["ffmpeg", "-i", temp_file, "-y", mp3_temp_file],
                check=True,
                stdout=subprocess.PIPE,
                stderr=subprocess.PIPE
            )
            logger.info(f"已将wav转换为mp3: {mp3_temp_file}")
        except subprocess.CalledProcessError as e:
            logger.error(f"ffmpeg转换失败: {e.stderr.decode()}")
            raise Exception(f"音频格式转换失败: {e.stderr.decode()}")

        # 2. 讯飞评分
        from KeDaXunFei.XunFeiAudioEvaluator_cn import XunFeiAudioEvaluator_cn
        evaluator = XunFeiAudioEvaluator_cn(
            appid=XF_APPID,
            api_key=XF_APIKEY, 
            api_secret=XF_APISECRET, 
            audio_file=mp3_temp_file,  
            language=language,  # 使用动态参数
            txt=txt
        )
        results, eval_time = evaluator.run_evaluation()
        print(evaluator.get_evaluation_summary())

        
        return {
            "success": True,
            "file_name": file_name,
            "file_path": f"/static/audio/{file_name}",
            "evaluation": results,
            "evaluation_time": str(eval_time)
        }
        
    except Exception as e:
        logger.error(f"处理失败: {str(e)}")
        return {"success": False, "error": str(e)}
        
    finally:
        # 4. 清理临时文件
        if temp_file and os.path.exists(temp_file):
            shutil.rmtree(os.path.dirname(temp_file), ignore_errors=True)