# 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/.

# Integrates the web-platform-tests test runner with mach.

from __future__ import absolute_import, unicode_literals, print_function

import os
import sys

from six import iteritems

from mozbuild.base import (
    MachCommandBase,
    MachCommandConditions as conditions,
    MozbuildObject,
)

from mach.decorators import (
    CommandProvider,
    Command,
)

from mach_commands_base import WebPlatformTestsRunner, create_parser_wpt


class WebPlatformTestsRunnerSetup(MozbuildObject):
    default_log_type = "mach"

    def __init__(self, *args, **kwargs):
        super(WebPlatformTestsRunnerSetup, self).__init__(*args, **kwargs)
        self._here = os.path.join(self.topsrcdir, "testing", "web-platform")
        kwargs["tests_root"] = os.path.join(self._here, "tests")
        sys.path.insert(0, kwargs["tests_root"])
        build_path = os.path.join(self.topobjdir, "build")
        if build_path not in sys.path:
            sys.path.append(build_path)

    def kwargs_common(self, kwargs):
        """Setup kwargs relevant for all browser products"""

        tests_src_path = os.path.join(self._here, "tests")

        if (
            kwargs["product"] in {"firefox", "firefox_android"}
            and kwargs["specialpowers_path"] is None
        ):
            kwargs["specialpowers_path"] = os.path.join(
                self.distdir, "xpi-stage", "specialpowers@mozilla.org.xpi"
            )

        if kwargs["product"] == "firefox_android":
            # package_name may be different in the future
            package_name = kwargs["package_name"]
            if not package_name:
                kwargs["package_name"] = package_name = "org.mozilla.geckoview.test"

            # Note that this import may fail in non-firefox-for-android trees
            from mozrunner.devices.android_device import (
                get_adb_path,
                verify_android_device,
                InstallIntent,
            )

            kwargs["adb_binary"] = get_adb_path(self)
            install = (
                InstallIntent.NO if kwargs.pop("no_install") else InstallIntent.YES
            )
            verify_android_device(
                self, install=install, verbose=False, xre=True, app=package_name
            )

            if kwargs["certutil_binary"] is None:
                kwargs["certutil_binary"] = os.path.join(
                    os.environ.get("MOZ_HOST_BIN"), "certutil"
                )

            if kwargs["install_fonts"] is None:
                kwargs["install_fonts"] = True

        if kwargs["config"] is None:
            kwargs["config"] = os.path.join(
                self.topobjdir, "_tests", "web-platform", "wptrunner.local.ini"
            )

        if (
            kwargs["exclude"] is None
            and kwargs["include"] is None
            and not sys.platform.startswith("linux")
        ):
            kwargs["exclude"] = ["css"]

        if kwargs["ssl_type"] in (None, "pregenerated"):
            cert_root = os.path.join(tests_src_path, "tools", "certs")
            if kwargs["ca_cert_path"] is None:
                kwargs["ca_cert_path"] = os.path.join(cert_root, "cacert.pem")

            if kwargs["host_key_path"] is None:
                kwargs["host_key_path"] = os.path.join(
                    cert_root, "web-platform.test.key"
                )

            if kwargs["host_cert_path"] is None:
                kwargs["host_cert_path"] = os.path.join(
                    cert_root, "web-platform.test.pem"
                )

        if kwargs["reftest_screenshot"] is None:
            kwargs["reftest_screenshot"] = "fail"

        kwargs["capture_stdio"] = True

        return kwargs

    def kwargs_firefox(self, kwargs):
        """Setup kwargs specific to running Firefox and other gecko browsers"""
        import mozinfo
        from wptrunner import wptcommandline

        kwargs = self.kwargs_common(kwargs)

        if kwargs["binary"] is None:
            kwargs["binary"] = self.get_binary_path()

        if kwargs["certutil_binary"] is None:
            kwargs["certutil_binary"] = self.get_binary_path("certutil")

        if kwargs["webdriver_binary"] is None:
            kwargs["webdriver_binary"] = self.get_binary_path(
                "geckodriver", validate_exists=False
            )

        if kwargs["install_fonts"] is None:
            kwargs["install_fonts"] = True

        if (
            kwargs["install_fonts"]
            and mozinfo.info["os"] == "win"
            and mozinfo.info["os_version"] == "6.1"
        ):
            # On Windows 7 --install-fonts fails, so fall back to a Firefox-specific codepath
            self.setup_fonts_firefox()
            kwargs["install_fonts"] = False

        if kwargs["preload_browser"] is None:
            kwargs["preload_browser"] = False

        if kwargs["prefs_root"] is None:
            kwargs["prefs_root"] = os.path.join(self.topsrcdir, "testing", "profiles")

        if kwargs["stackfix_dir"] is None:
            kwargs["stackfix_dir"] = self.bindir

        kwargs = wptcommandline.check_args(kwargs)

        return kwargs

    def kwargs_wptrun(self, kwargs):
        """Setup kwargs for wpt-run which is only used for non-gecko browser products"""
        from tools.wpt import run

        kwargs = self.kwargs_common(kwargs)

        # Add additional kwargs consumed by the run frontend. Currently we don't
        # have a way to set these through mach
        kwargs["channel"] = None
        kwargs["prompt"] = True
        kwargs["install_browser"] = False
        kwargs["install_webdriver"] = None
        kwargs["affected"] = None

        # Install the deps
        # We do this explicitly to avoid calling pip with options that aren't
        # supported in the in-tree version
        wptrunner_path = os.path.join(self._here, "tests", "tools", "wptrunner")
        browser_cls = run.product_setup[kwargs["product"]].browser_cls
        requirements = ["requirements.txt"]
        if hasattr(browser_cls, "requirements"):
            requirements.append(browser_cls.requirements)

        for filename in requirements:
            path = os.path.join(wptrunner_path, filename)
            if os.path.exists(path):
                self.virtualenv_manager.install_pip_requirements(
                    path, require_hashes=False
                )

        venv = run.virtualenv.Virtualenv(
            self.virtualenv_manager.virtualenv_root, skip_virtualenv_setup=True
        )
        try:
            kwargs = run.setup_wptrunner(venv, **kwargs)
        except run.WptrunError as e:
            print(e, file=sys.stderr)
            sys.exit(1)

        # This is kind of a hack; override the metadata paths so we don't use
        # gecko metadata for non-gecko products
        for key, value in list(iteritems(kwargs["test_paths"])):
            meta_suffix = key.strip("/")
            meta_dir = os.path.join(
                self._here, "products", kwargs["product"], meta_suffix
            )
            value["metadata_path"] = meta_dir
            if not os.path.exists(meta_dir):
                os.makedirs(meta_dir)
        return kwargs

    def setup_fonts_firefox(self):
        # Ensure the Ahem font is available
        if not sys.platform.startswith("darwin"):
            font_path = os.path.join(os.path.dirname(self.get_binary_path()), "fonts")
        else:
            font_path = os.path.join(
                os.path.dirname(self.get_binary_path()),
                os.pardir,
                "Resources",
                "res",
                "fonts",
            )
        ahem_src = os.path.join(
            self.topsrcdir, "testing", "web-platform", "tests", "fonts", "Ahem.ttf"
        )
        ahem_dest = os.path.join(font_path, "Ahem.ttf")
        if not os.path.exists(ahem_dest) and os.path.exists(ahem_src):
            with open(ahem_src, "rb") as src, open(ahem_dest, "wb") as dest:
                dest.write(src.read())


class WebPlatformTestsServeRunner(MozbuildObject):
    def run(self, **kwargs):
        sys.path.insert(
            0,
            os.path.abspath(os.path.join(os.path.dirname(__file__), "tests", "tools")),
        )
        from serve import serve
        from wptrunner import wptcommandline
        import manifestupdate

        import logging

        logger = logging.getLogger("web-platform-tests")

        src_root = self.topsrcdir
        obj_root = self.topobjdir
        src_wpt_dir = os.path.join(src_root, "testing", "web-platform")

        config_path = manifestupdate.generate_config(
            logger,
            src_root,
            src_wpt_dir,
            os.path.join(obj_root, "_tests", "web-platform"),
            False,
        )

        test_paths = wptcommandline.get_test_paths(
            wptcommandline.config.read(config_path)
        )

        def get_route_builder(*args, **kwargs):
            route_builder = serve.get_route_builder(*args, **kwargs)

            for url_base, paths in iteritems(test_paths):
                if url_base != "/":
                    route_builder.add_mount_point(url_base, paths["tests_path"])

            return route_builder

        return 0 if serve.run(route_builder=get_route_builder, **kwargs) else 1


class WebPlatformTestsUpdater(MozbuildObject):
    """Update web platform tests."""

    def setup_logging(self, **kwargs):
        import update

        return update.setup_logging(kwargs, {"mach": sys.stdout})

    def update_manifest(self, logger, **kwargs):
        import manifestupdate

        return manifestupdate.run(
            logger=logger, src_root=self.topsrcdir, obj_root=self.topobjdir, **kwargs
        )

    def run_update(self, logger, **kwargs):
        import update
        from update import updatecommandline

        self.update_manifest(logger, **kwargs)

        if kwargs["config"] is None:
            kwargs["config"] = os.path.join(
                self.topobjdir, "_tests", "web-platform", "wptrunner.local.ini"
            )
        if kwargs["product"] is None:
            kwargs["product"] = "firefox"

        kwargs["store_state"] = False

        kwargs = updatecommandline.check_args(kwargs)

        try:
            update.run_update(logger, **kwargs)
        except Exception:
            import traceback

            traceback.print_exc()


class WebPlatformTestsUnittestRunner(MozbuildObject):
    def run(self, **kwargs):
        import unittestrunner

        return unittestrunner.run(self.topsrcdir, **kwargs)


class WebPlatformTestsTestPathsRunner(MozbuildObject):
    """Update web platform tests."""

    def run(self, **kwargs):
        sys.path.insert(
            0,
            os.path.abspath(os.path.join(os.path.dirname(__file__), "tests", "tools")),
        )
        from wptrunner import wptcommandline
        from manifest import testpaths
        import manifestupdate

        import logging

        logger = logging.getLogger("web-platform-tests")

        src_root = self.topsrcdir
        obj_root = self.topobjdir
        src_wpt_dir = os.path.join(src_root, "testing", "web-platform")

        config_path = manifestupdate.generate_config(
            logger,
            src_root,
            src_wpt_dir,
            os.path.join(obj_root, "_tests", "web-platform"),
            False,
        )

        test_paths = wptcommandline.get_test_paths(
            wptcommandline.config.read(config_path)
        )
        results = {}
        for url_base, paths in iteritems(test_paths):
            if "manifest_path" not in paths:
                paths["manifest_path"] = os.path.join(
                    paths["metadata_path"], "MANIFEST.json"
                )
            results.update(
                testpaths.get_paths(
                    path=paths["manifest_path"],
                    src_root=src_root,
                    tests_root=paths["tests_path"],
                    update=kwargs["update"],
                    rebuild=kwargs["rebuild"],
                    url_base=url_base,
                    cache_root=kwargs["cache_root"],
                    test_ids=kwargs["test_ids"],
                )
            )
        testpaths.write_output(results, kwargs["json"])
        return True


class WebPlatformTestsFissionRegressionsRunner(MozbuildObject):
    def run(self, **kwargs):
        import mozlog
        import fissionregressions

        src_root = self.topsrcdir
        obj_root = self.topobjdir
        logger = mozlog.structuredlog.StructuredLogger("web-platform-tests")

        try:
            return fissionregressions.run(logger, src_root, obj_root, **kwargs)
        except Exception:
            import traceback
            import pdb

            traceback.print_exc()
            pdb.post_mortem()


def create_parser_update():
    from update import updatecommandline

    return updatecommandline.create_parser()


def create_parser_manifest_update():
    import manifestupdate

    return manifestupdate.create_parser()


def create_parser_metadata_summary():
    import metasummary

    return metasummary.create_parser()


def create_parser_metadata_merge():
    import metamerge

    return metamerge.get_parser()


def create_parser_serve():
    sys.path.insert(
        0, os.path.abspath(os.path.join(os.path.dirname(__file__), "tests", "tools"))
    )
    import serve

    return serve.serve.get_parser()


def create_parser_unittest():
    import unittestrunner

    return unittestrunner.get_parser()


def create_parser_fission_regressions():
    import fissionregressions

    return fissionregressions.get_parser()


def create_parser_testpaths():
    import argparse
    from mozboot.util import get_state_dir

    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--no-update",
        dest="update",
        action="store_false",
        default=True,
        help="Don't update manifest before continuing",
    )
    parser.add_argument(
        "-r",
        "--rebuild",
        action="store_true",
        default=False,
        help="Force a full rebuild of the manifest.",
    )
    parser.add_argument(
        "--cache-root",
        action="store",
        default=os.path.join(get_state_dir(), "cache", "wpt"),
        help="Path in which to store any caches (default <tests_root>/.wptcache/)",
    )
    parser.add_argument(
        "test_ids", action="store", nargs="+", help="Test ids for which to get paths"
    )
    parser.add_argument(
        "--json", action="store_true", default=False, help="Output as JSON"
    )
    return parser


@CommandProvider
class MachCommands(MachCommandBase):
    def setup(self):
        self.activate_virtualenv()

    @Command(
        "web-platform-tests",
        category="testing",
        conditions=[conditions.is_firefox_or_android],
        description="Run web-platform-tests.",
        parser=create_parser_wpt,
    )
    def run_web_platform_tests(self, command_context, **params):
        self.setup()
        if params["product"] is None:
            if conditions.is_android(self):
                params["product"] = "firefox_android"
            else:
                params["product"] = "firefox"
        if "test_objects" in params:
            include = []
            test_types = set()
            for item in params["test_objects"]:
                include.append(item["name"])
                test_types.add(item.get("subsuite"))
            if None not in test_types:
                params["test_types"] = list(test_types)
            params["include"] = include
            del params["test_objects"]
        if params.get("debugger", None):
            import mozdebug

            if not mozdebug.get_debugger_info(params.get("debugger")):
                sys.exit(1)

        wpt_setup = self._spawn(WebPlatformTestsRunnerSetup)
        wpt_setup._mach_context = self._mach_context
        wpt_runner = WebPlatformTestsRunner(wpt_setup)

        logger = wpt_runner.setup_logging(**params)

        if conditions.is_android(self) and params["product"] != "firefox_android":
            logger.warning(
                "Must specify --product=firefox_android in Android environment."
            )

        return wpt_runner.run(logger, **params)

    @Command(
        "wpt",
        category="testing",
        conditions=[conditions.is_firefox_or_android],
        description="Run web-platform-tests.",
        parser=create_parser_wpt,
    )
    def run_wpt(self, command_context, **params):
        return self.run_web_platform_tests(command_context, **params)

    @Command(
        "web-platform-tests-update",
        category="testing",
        description="Update web-platform-test metadata.",
        parser=create_parser_update,
    )
    def update_web_platform_tests(self, command_context, **params):
        self.setup()
        self.virtualenv_manager.install_pip_package("html5lib==1.0.1")
        self.virtualenv_manager.install_pip_package("ujson")
        self.virtualenv_manager.install_pip_package("requests")

        wpt_updater = self._spawn(WebPlatformTestsUpdater)
        logger = wpt_updater.setup_logging(**params)
        return wpt_updater.run_update(logger, **params)

    @Command(
        "wpt-update",
        category="testing",
        description="Update web-platform-test metadata.",
        parser=create_parser_update,
    )
    def update_wpt(self, command_context, **params):
        return self.update_web_platform_tests(command_context, **params)

    @Command(
        "wpt-manifest-update",
        category="testing",
        description="Update web-platform-test manifests.",
        parser=create_parser_manifest_update,
    )
    def wpt_manifest_update(self, command_context, **params):
        self.setup()
        wpt_setup = self._spawn(WebPlatformTestsRunnerSetup)
        wpt_runner = WebPlatformTestsRunner(wpt_setup)
        logger = wpt_runner.setup_logging(**params)
        logger.warning(
            "The wpt manifest is now automatically updated, "
            "so running this command is usually unnecessary"
        )
        return 0 if wpt_runner.update_manifest(logger, **params) else 1

    @Command(
        "wpt-serve",
        category="testing",
        description="Run the wpt server",
        parser=create_parser_serve,
    )
    def wpt_serve(self, command_context, **params):
        self.setup()
        import logging

        logger = logging.getLogger("web-platform-tests")
        logger.addHandler(logging.StreamHandler(sys.stdout))
        wpt_serve = self._spawn(WebPlatformTestsServeRunner)
        return wpt_serve.run(**params)

    @Command(
        "wpt-metadata-summary",
        category="testing",
        description="Create a json summary of the wpt metadata",
        parser=create_parser_metadata_summary,
    )
    def wpt_summary(self, command_context, **params):
        import metasummary

        wpt_setup = self._spawn(WebPlatformTestsRunnerSetup)
        return metasummary.run(wpt_setup.topsrcdir, wpt_setup.topobjdir, **params)

    @Command(
        "wpt-metadata-merge", category="testing", parser=create_parser_metadata_merge
    )
    def wpt_meta_merge(self, command_context, **params):
        import metamerge

        if params["dest"] is None:
            params["dest"] = params["current"]
        return metamerge.run(**params)

    @Command(
        "wpt-unittest",
        category="testing",
        description="Run the wpt tools and wptrunner unit tests",
        parser=create_parser_unittest,
    )
    def wpt_unittest(self, command_context, **params):
        self.setup()
        self.virtualenv_manager.install_pip_package("tox")
        runner = self._spawn(WebPlatformTestsUnittestRunner)
        return 0 if runner.run(**params) else 1

    @Command(
        "wpt-test-paths",
        category="testing",
        description="Get a mapping from test ids to files",
        parser=create_parser_testpaths,
    )
    def wpt_test_paths(self, command_context, **params):
        runner = self._spawn(WebPlatformTestsTestPathsRunner)
        runner.run(**params)
        return 0

    @Command(
        "wpt-fission-regressions",
        category="testing",
        description="Dump a list of fission-specific regressions",
        parser=create_parser_fission_regressions,
    )
    def wpt_fission_regressions(self, command_context, **params):
        runner = self._spawn(WebPlatformTestsFissionRegressionsRunner)
        runner.run(**params)
        return 0