import click
import os
import pytest

from glob import glob
from subprocess import CompletedProcess

from kupferbootstrap.config.state import config, CONFIG_DEFAULTS
from kupferbootstrap.constants import SRCINFO_METADATA_FILE
from kupferbootstrap.exec.cmd import run_cmd
from kupferbootstrap.exec.file import get_temp_dir
from kupferbootstrap.logger import setup_logging
from kupferbootstrap.packages.cli import (
    SRCINFO_CACHE_FILES,
    cmd_build,
    cmd_clean,
    cmd_init,
    cmd_update,
)
from kupferbootstrap.utils import git_get_branch

tempdir = None
config.try_load_file()
setup_logging(True)

PKG_TEST_PATH = "device/device-sdm845-oneplus-enchilada"
PKG_TEST_NAME = "device-sdm845-xiaomi-beryllium-ebbg"

INTEGRATION_TESTS_ENABLE_ENV_VAR = "INTEGRATION_TESTS_ENABLE"


integration_enabled = False
try:
    integration_enabled = bool(
        int(os.environ.get(INTEGRATION_TESTS_ENABLE_ENV_VAR, 0)) > 0
    )
except Exception:
    pass


pytestmark = [
    pytest.mark.skipif(
        condition=not integration_enabled,
        reason=(
            "Integration tests disabled by default, "
            f"set env var {INTEGRATION_TESTS_ENABLE_ENV_VAR}=1 to enable."
        ),
    ),
    pytest.mark.integration(),
    pytest.mark.order("first"),
]


@pytest.fixture()
def ctx() -> click.Context:
    global tempdir
    if not tempdir:
        tempdir = get_temp_dir()
    if (
        not os.environ.get(
            "INTEGRATION_TESTS_USE_GLOBAL_CONFIG", "false"
        ).lower()
        == "true"
    ):
        config.file.paths.update(
            CONFIG_DEFAULTS.paths | {"cache_dir": tempdir}
        )
    config_path = os.path.join(tempdir, "kupferbootstrap.toml")
    config.runtime.config_file = config_path
    if not os.path.exists(config_path):
        config.write()
    config.try_load_file(config_path)
    print(f"cache_dir: {config.file.paths.cache_dir}")
    return click.Context(click.Command("integration_tests"))


def test_main_import():
    from kupferbootstrap.main import cli

    assert cli


def test_config_load(ctx: click.Context):
    path = config.runtime.config_file
    assert path
    assert path.startswith("/tmp/")
    assert os.path.exists(path)
    config.enforce_config_loaded()


def test_packages_update(ctx: click.Context):
    pkgbuilds_path = config.get_path("pkgbuilds")
    assert config.runtime.script_source_dir
    kbs_branch = git_get_branch(
        os.path.join(config.runtime.script_source_dir, "../..")
    )
    # Gitlab CI integration: the CI checks out a detached commit, branch comes back empty.
    if not kbs_branch and os.environ.get("CI", "false") == "true":
        kbs_branch = os.environ.get("CI_COMMIT_BRANCH", "")
    branches: dict[str, bool] = {"main": False, "dev": False}
    if kbs_branch:
        branches[kbs_branch] = True
    for branch, may_fail in branches.items():
        config.file.pkgbuilds.git_branch = branch
        try:
            ctx.invoke(
                cmd_init,
                update=True,
                non_interactive=True,
                switch_branch=True,
                discard_changes=True,
                init_caches=False,
            )
        except Exception as ex:
            print(f"may_fail: {may_fail}; Exception: {ex}")
            if not may_fail:
                raise ex
            # check branch really doesn't exist
            res = run_cmd(
                f"git ls-remote {CONFIG_DEFAULTS.pkgbuilds.git_repo} 'refs/heads/*' | grep 'refs/heads/{branch}'"
            )
            assert isinstance(res, CompletedProcess)
            assert res.returncode != 0
            continue
        assert git_get_branch(pkgbuilds_path) == branch


def test_packages_clean(ctx: click.Context):
    if not glob(
        os.path.join(
            config.get_path("pkgbuilds"), "*", "*", SRCINFO_METADATA_FILE
        )
    ):
        ctx.invoke(cmd_update, non_interactive=True)
    ctx.invoke(cmd_clean, what=["git"], force=True)


def test_packages_cache_init(ctx: click.Context):
    ctx.invoke(
        cmd_update,
        non_interactive=True,
        switch_branch=False,
        discard_changes=False,
        init_caches=True,
    )

    for f in SRCINFO_CACHE_FILES:
        assert os.path.exists(
            os.path.join(config.get_path("pkgbuilds"), PKG_TEST_PATH, f)
        )


def build_pkgs(
    _ctx: click.Context, query: list[str], arch: str = "aarch64", **kwargs
):
    _ctx.invoke(cmd_build, paths=query, arch=arch, **kwargs)


def test_packages_build_by_path(ctx: click.Context):
    build_pkgs(ctx, [PKG_TEST_PATH], force=True)


def test_split_package_build_by_name(ctx: click.Context):
    build_pkgs(ctx, [PKG_TEST_NAME])