"""
    :codeauthor: Pedro Algarvio (pedro@algarvio.me)
    :copyright: Copyright 2017 by the SaltStack Team, see AUTHORS for more details.
    :license: Apache 2.0, see LICENSE for more details.


    tests.support.paths
    ~~~~~~~~~~~~~~~~~~~

    Tests related paths
"""

import logging
import os
import re
import sys
import tempfile

import salt
import salt.utils.path

log = logging.getLogger(__name__)

SALT_CODE_DIR = os.path.dirname(os.path.normpath(os.path.abspath(salt.__file__)))
TESTS_DIR = os.path.dirname(
    os.path.dirname(os.path.normpath(os.path.abspath(__file__)))
)
if TESTS_DIR.startswith("//"):
    # Have we been given an initial double forward slash? Ditch it!
    TESTS_DIR = TESTS_DIR[1:]
if sys.platform.startswith("win"):
    TESTS_DIR = os.path.normcase(TESTS_DIR)
CODE_DIR = os.path.dirname(TESTS_DIR)
if sys.platform.startswith("win"):
    CODE_DIR = CODE_DIR.replace("\\", "\\\\")
UNIT_TEST_DIR = os.path.join(TESTS_DIR, "unit")
INTEGRATION_TEST_DIR = os.path.join(TESTS_DIR, "integration")

# Let's inject CODE_DIR so salt is importable if not there already
if TESTS_DIR in sys.path:
    sys.path.remove(TESTS_DIR)
if CODE_DIR in sys.path and sys.path[0] != CODE_DIR:
    sys.path.remove(CODE_DIR)
if CODE_DIR not in sys.path:
    sys.path.insert(0, CODE_DIR)
if TESTS_DIR not in sys.path:
    sys.path.insert(1, TESTS_DIR)

SYS_TMP_DIR = os.path.abspath(
    os.path.realpath(
        # Avoid ${TMPDIR} and gettempdir() on MacOS as they yield a base path too long
        # for unix sockets: ``error: AF_UNIX path too long``
        # Gentoo Portage prefers ebuild tests are rooted in ${TMPDIR}
        os.environ.get("TMPDIR", tempfile.gettempdir())
        if not sys.platform.startswith("darwin")
        else "/tmp"
    )
)
TMP = os.path.join(SYS_TMP_DIR, "salt-tests-tmpdir")
TMP_ROOT_DIR = os.path.join(TMP, "rootdir")
FILES = os.path.join(INTEGRATION_TEST_DIR, "files")
BASE_FILES = os.path.join(INTEGRATION_TEST_DIR, "files", "file", "base")
PROD_FILES = os.path.join(INTEGRATION_TEST_DIR, "files", "file", "prod")
PYEXEC = "python{}.{}".format(*sys.version_info)
MOCKBIN = os.path.join(INTEGRATION_TEST_DIR, "mockbin")
SCRIPT_DIR = os.path.join(CODE_DIR, "scripts")
TMP_STATE_TREE = os.path.join(SYS_TMP_DIR, "salt-temp-state-tree")
TMP_PILLAR_TREE = os.path.join(SYS_TMP_DIR, "salt-temp-pillar-tree")
TMP_PRODENV_STATE_TREE = os.path.join(SYS_TMP_DIR, "salt-temp-prodenv-state-tree")
TMP_PRODENV_PILLAR_TREE = os.path.join(SYS_TMP_DIR, "salt-temp-prodenv-pillar-tree")
TMP_CONF_DIR = TMP_MINION_CONF_DIR = os.path.join(TMP, "config")
TMP_SUB_MINION_CONF_DIR = os.path.join(TMP_CONF_DIR, "sub-minion")
TMP_SYNDIC_MINION_CONF_DIR = os.path.join(TMP_CONF_DIR, "syndic-minion")
TMP_SYNDIC_MASTER_CONF_DIR = os.path.join(TMP_CONF_DIR, "syndic-master")
TMP_SSH_CONF_DIR = TMP_MINION_CONF_DIR
CONF_DIR = os.path.join(INTEGRATION_TEST_DIR, "files", "conf")
PILLAR_DIR = os.path.join(FILES, "pillar")
TMP_SCRIPT_DIR = os.path.join(TMP, "scripts")
ENGINES_DIR = os.path.join(FILES, "engines")
LOG_HANDLERS_DIR = os.path.join(FILES, "log_handlers")


def list_test_mods():
    """
    A generator which returns all of the test files
    """
    test_re = re.compile(r"^test_.+\.py$")
    for dirname in (UNIT_TEST_DIR, INTEGRATION_TEST_DIR):
        test_type = os.path.basename(dirname)
        for root, _, files in salt.utils.path.os_walk(dirname):
            parent_mod = root[len(dirname) :].lstrip(os.sep).replace(os.sep, ".")
            for filename in files:
                if test_re.match(filename):
                    mod_name = test_type
                    if parent_mod:
                        mod_name += "." + parent_mod
                    mod_name += "." + filename[:-3]
                    yield mod_name
