import datetime
import multiprocessing
import os
import shutil
from queue import Queue

from airtime_analyzer import config_file
from airtime_analyzer.analyzer_pipeline import AnalyzerPipeline
from nose.tools import *

DEFAULT_AUDIO_FILE = u"tests/test_data/44100Hz-16bit-mono.mp3"
DEFAULT_IMPORT_DEST = u"Test Artist/Test Album/44100Hz-16bit-mono.mp3"


def setup():
    pass


def teardown():
    # Move the file back
    shutil.move(DEFAULT_IMPORT_DEST, DEFAULT_AUDIO_FILE)
    assert os.path.exists(DEFAULT_AUDIO_FILE)


def test_basic():
    filename = os.path.basename(DEFAULT_AUDIO_FILE)
    q = Queue()
    file_prefix = u""
    storage_backend = "file"
    # This actually imports the file into the "./Test Artist" directory.
    AnalyzerPipeline.run_analysis(
        q, DEFAULT_AUDIO_FILE, u".", filename, storage_backend, file_prefix
    )
    metadata = q.get()
    assert metadata["track_title"] == u"Test Title"
    assert metadata["artist_name"] == u"Test Artist"
    assert metadata["album_title"] == u"Test Album"
    assert metadata["year"] == u"1999"
    assert metadata["genre"] == u"Test Genre"
    assert metadata["mime"] == "audio/mp3"  # Not unicode because MIMEs aren't.
    assert abs(metadata["length_seconds"] - 3.9) < 0.1
    assert metadata["length"] == str(
        datetime.timedelta(seconds=metadata["length_seconds"])
    )
    assert os.path.exists(DEFAULT_IMPORT_DEST)


@raises(TypeError)
def test_wrong_type_queue_param():
    AnalyzerPipeline.run_analysis(Queue(), u"", u"", u"")


@raises(TypeError)
def test_wrong_type_string_param2():
    AnalyzerPipeline.run_analysis(Queue(), "", u"", u"")


@raises(TypeError)
def test_wrong_type_string_param3():
    AnalyzerPipeline.run_analysis(Queue(), u"", "", u"")


@raises(TypeError)
def test_wrong_type_string_param4():
    AnalyzerPipeline.run_analysis(Queue(), u"", u"", "")