#!/usr/bin/env python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.

import os
import shutil
import sys

import mozunit
import pytest
from moztest.selftest.fixtures import binary_fixture  # noqa: F401
from mozversion import errors, get_version

"""test getting application version information from a binary path"""


@pytest.fixture()
def fake_binary(tmpdir):
    binary = tmpdir.join("binary")
    binary.write("foobar")
    return str(binary)


@pytest.fixture(name="application_ini")
def fixture_application_ini(tmpdir):
    ini = tmpdir.join("application.ini")
    ini.write(
        """[App]
ID = AppID
Name = AppName
CodeName = AppCodeName
Version = AppVersion
BuildID = AppBuildID
SourceRepository = AppSourceRepo
SourceStamp = AppSourceStamp
Vendor = AppVendor"""
    )
    return str(ini)


@pytest.fixture(name="platform_ini")
def fixture_platform_ini(tmpdir):
    ini = tmpdir.join("platform.ini")
    ini.write(
        """[Build]
BuildID = PlatformBuildID
Milestone = PlatformMilestone
SourceStamp = PlatformSourceStamp
SourceRepository = PlatformSourceRepo"""
    )
    return str(ini)


def test_real_binary(binary):  # noqa: F811
    if not binary:
        pytest.skip("No binary found")
    v = get_version(binary)
    assert isinstance(v, dict)


def test_binary(fake_binary, application_ini, platform_ini):
    _check_version(get_version(fake_binary))


@pytest.mark.skipif(
    not hasattr(os, "symlink"), reason="os.symlink not supported on this platform"
)
def test_symlinked_binary(fake_binary, application_ini, platform_ini, tmpdir):
    # create a symlink of the binary in another directory and check
    # version against this symlink
    symlink = str(tmpdir.join("symlink"))
    os.symlink(fake_binary, symlink)
    _check_version(get_version(symlink))


def test_binary_in_current_path(fake_binary, application_ini, platform_ini, tmpdir):
    os.chdir(str(tmpdir))
    _check_version(get_version())


def test_with_ini_files_on_osx(
    fake_binary, application_ini, platform_ini, monkeypatch, tmpdir
):
    monkeypatch.setattr(sys, "platform", "darwin")
    # get_version is working with ini files next to the binary
    _check_version(get_version(binary=fake_binary))

    # or if they are in the Resources dir
    # in this case the binary must be in a Contents dir, next
    # to the Resources dir
    contents_dir = tmpdir.mkdir("Contents")
    moved_binary = str(contents_dir.join(os.path.basename(fake_binary)))
    shutil.move(fake_binary, moved_binary)

    resources_dir = str(tmpdir.mkdir("Resources"))
    shutil.move(application_ini, resources_dir)
    shutil.move(platform_ini, resources_dir)

    _check_version(get_version(binary=moved_binary))


def test_invalid_binary_path(tmpdir):
    with pytest.raises(IOError):
        get_version(str(tmpdir.join("invalid")))


def test_without_ini_files(fake_binary):
    """With missing ini files an exception should be thrown"""
    with pytest.raises(errors.AppNotFoundError):
        get_version(fake_binary)


def test_without_platform_ini_file(fake_binary, application_ini):
    """With a missing platform.ini file an exception should be thrown"""
    with pytest.raises(errors.AppNotFoundError):
        get_version(fake_binary)


def test_without_application_ini_file(fake_binary, platform_ini):
    """With a missing application.ini file an exception should be thrown"""
    with pytest.raises(errors.AppNotFoundError):
        get_version(fake_binary)


def test_with_exe(application_ini, platform_ini, tmpdir):
    """Test that we can resolve .exe files"""
    binary = tmpdir.join("binary.exe")
    binary.write("foobar")
    _check_version(get_version(os.path.splitext(str(binary))[0]))


def test_not_found_with_binary_specified(fake_binary):
    with pytest.raises(errors.LocalAppNotFoundError):
        get_version(fake_binary)


def _check_version(version):
    assert version.get("application_id") == "AppID"
    assert version.get("application_name") == "AppName"
    assert version.get("application_display_name") == "AppCodeName"
    assert version.get("application_version") == "AppVersion"
    assert version.get("application_buildid") == "AppBuildID"
    assert version.get("application_repository") == "AppSourceRepo"
    assert version.get("application_changeset") == "AppSourceStamp"
    assert version.get("application_vendor") == "AppVendor"
    assert version.get("platform_name") is None
    assert version.get("platform_buildid") == "PlatformBuildID"
    assert version.get("platform_repository") == "PlatformSourceRepo"
    assert version.get("platform_changeset") == "PlatformSourceStamp"
    assert version.get("invalid_key") is None
    assert version.get("platform_version") == "PlatformMilestone"


if __name__ == "__main__":
    mozunit.main()