import pytest

import os
import glob
import yaml
import subprocess

project_root_path = os.path.realpath(os.path.join(__file__, '..', '..'))
script_path = os.path.join(project_root_path, 'scripts', 'order-confirmation-mail-parser')
test_data_path = os.path.join(project_root_path, 'tests', 'data')

def test_integration_stdin():
    for mail_path in glob.glob(os.path.join(test_data_path, '*', 'mail_*.eml')):
        with open(mail_path, 'r') as mail_file:
            process = subprocess.Popen([script_path], stdin = subprocess.PIPE, stdout = subprocess.PIPE)
            script_stdout, script_stderr = process.communicate(input = mail_file.read())
            result = yaml.load(script_stdout)
            with open(mail_path.replace('.eml', '.yml'), 'r') as expected_result_file:
                expected_result = yaml.load(expected_result_file.read())
                assert result == expected_result, 'unexpected result for ' + os.path.basename(mail_path)

def test_integration_path():
    result = yaml.load(subprocess.check_output([
        script_path,
        os.path.join(test_data_path, 'amazon', 'mail_1.eml'),
        os.path.join(test_data_path, 'oebb', 'mail_1.eml'),
        os.path.join(test_data_path, 'oebb', 'mail_2.eml'),
        ]))
    expected_result = []
    for result_path in [
            os.path.join(test_data_path, 'amazon', 'mail_1.yml'),
            os.path.join(test_data_path, 'oebb', 'mail_1.yml'),
            os.path.join(test_data_path, 'oebb', 'mail_2.yml'),
            ]:
        with open(result_path) as yaml_file:
            expected_result += yaml.load(yaml_file.read())
    assert result == expected_result

def test_catalogue(tmpdir):
    os.chdir(tmpdir.strpath)
    import shutil
    shutil.copyfile(os.path.join(test_data_path, 'amazon', 'mail_8.eml'), 'mail.eml')
    assert os.listdir('.') == ['mail.eml']
    orders = yaml.load(subprocess.check_output([
        script_path, 
        '--catalogue',
        'mail.eml',
        ]))
    assert os.listdir('.') == ['amazon.de']
    assert os.listdir('amazon.de') == ['028-6176648-7157123',  '028-0273468-3485109']
    assert os.listdir(os.path.join('amazon.de', '028-6176648-7157123')) == ['mail.eml']
    assert os.listdir(os.path.join('amazon.de', '028-0273468-3485109')) == ['mail.eml']