import os
import ffmpeg
from .get import *
from .. import helpers

def getPreview(request):
    answer = get(request, "previews")
    try:
        if answer['status'] == "error": return answer
        if answer['error']: return answer
    except KeyError: pass
    except Exception as e: return {"status": "error", "details": { "error_code": 123, "error_details": e }}
    urlcode = answer['urlcode']
    bitrate = answer['bitrate']
    quality = answer['quality']
    error_code = answer['ytdlp-code']
    
    try:
        if request.method == 'POST': duration = int(request.form['duration'])
        else: duration = int(request.args['duration'])
        if duration >= 60: duration = 60
    except Exception as e:
        print(e)
        duration = 30
    
    try:
        if request.method == 'POST': extension = request.form['extension']
        else: extension = request.args['extension']
    except: extension = "ogg"
    
    config = helpers.configFile()
    if answer['done-or-not']:
        return {"status": "pass", "details": {"code": error_code, "name":f"{urlcode}.{extension}", "result": f"{config['url']}/static/previews/{urlcode}.{extension}"}}
    
    if os.path.exists(f"{config['previews-path']}/{urlcode}.{extension}"):
        return {"status": "pass", "details": {"code": 0, "name":f"{urlcode}.{extension}", "result": f"{config['url']}/static/previews/{urlcode}.{extension}"}}
    
    try:
        audio_input = ffmpeg.input(answer['path'])
        audio_cut = audio_input.audio.filter('atrim', duration=duration)
        audio_output = ffmpeg.output(audio_cut, f"{config['previews-path']}/{urlcode}.{extension}", audio_bitrate=bitrate)
        ffmpeg.run(audio_output)
        helpers.deleteAudio(f"temp/{urlcode}.{extension}")
    except Exception as e: return {"status": "error", "details": {"error_code": 102, "error_details": str(e), "result": f"{config['url']}/static/temp/{urlcode}.{extension}"}}
    return {"status": "pass", "details": {"code": error_code, "name":f"{urlcode}.{extension}", "result": f"{config['url']}/static/previews/{urlcode}.{extension}"}}