# Copyright 2014-present PlatformIO <contact@platformio.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from glob import glob
from os import listdir, walk
from os.path import dirname, getsize, isdir, isfile, join, normpath

import pytest

from platformio import util


def pytest_generate_tests(metafunc):
    if "pioproject_dir" not in metafunc.fixturenames:
        return
    example_dirs = normpath(join(dirname(__file__), "..", "examples"))
    project_dirs = []
    for root, _, files in walk(example_dirs):
        if "platformio.ini" not in files or ".skiptest" in files:
            continue
        project_dirs.append(root)
    project_dirs.sort()
    metafunc.parametrize("pioproject_dir", project_dirs)


@pytest.mark.examples
def test_run(pioproject_dir):
    if isdir(join(pioproject_dir, ".pioenvs")):
        util.rmtree_(join(pioproject_dir, ".pioenvs"))

    result = util.exec_command(
        ["platformio", "--force", "run", "--project-dir", pioproject_dir]
    )
    if result['returncode'] != 0:
        pytest.fail(result)

    # check .elf file
    pioenvs_dir = join(pioproject_dir, ".pioenvs")
    for item in listdir(pioenvs_dir):
        if not isdir(item):
            continue
        assert isfile(join(pioenvs_dir, item, "firmware.elf"))
        # check .hex or .bin files
        firmwares = []
        for ext in ("bin", "hex"):
            firmwares += glob(join(pioenvs_dir, item, "firmware*.%s" % ext))
        if not firmwares:
            pytest.fail("Missed firmware file")
        for firmware in firmwares:
            assert getsize(firmware) > 0