#!/usr/bin/env python
# Copyright 2016 gRPC authors.
#
# 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.
"""Definition of targets run distribution package tests."""

import os.path
import sys

sys.path.insert(0, os.path.abspath('..'))
import python_utils.jobset as jobset


def create_docker_jobspec(name,
                          dockerfile_dir,
                          shell_command,
                          environ={},
                          flake_retries=0,
                          timeout_retries=0,
                          copy_rel_path=None,
                          timeout_seconds=30 * 60):
    """Creates jobspec for a task running under docker."""
    environ = environ.copy()
    environ['RUN_COMMAND'] = shell_command
    # the entire repo will be cloned if copy_rel_path is not set.
    if copy_rel_path:
        environ['RELATIVE_COPY_PATH'] = copy_rel_path

    docker_args = []
    for k, v in environ.items():
        docker_args += ['-e', '%s=%s' % (k, v)]
    docker_env = {
        'DOCKERFILE_DIR': dockerfile_dir,
        'DOCKER_RUN_SCRIPT': 'tools/run_tests/dockerize/docker_run.sh'
    }
    jobspec = jobset.JobSpec(
        cmdline=['tools/run_tests/dockerize/build_and_run_docker.sh'] +
        docker_args,
        environ=docker_env,
        shortname='distribtest.%s' % (name),
        timeout_seconds=timeout_seconds,
        flake_retries=flake_retries,
        timeout_retries=timeout_retries)
    return jobspec


def create_jobspec(name,
                   cmdline,
                   environ=None,
                   shell=False,
                   flake_retries=0,
                   timeout_retries=0,
                   use_workspace=False,
                   timeout_seconds=10 * 60):
    """Creates jobspec."""
    environ = environ.copy()
    if use_workspace:
        environ['WORKSPACE_NAME'] = 'workspace_%s' % name
        cmdline = ['bash', 'tools/run_tests/artifacts/run_in_workspace.sh'
                  ] + cmdline
    jobspec = jobset.JobSpec(cmdline=cmdline,
                             environ=environ,
                             shortname='distribtest.%s' % (name),
                             timeout_seconds=timeout_seconds,
                             flake_retries=flake_retries,
                             timeout_retries=timeout_retries,
                             shell=shell)
    return jobspec


class CSharpDistribTest(object):
    """Tests C# NuGet package"""

    def __init__(self,
                 platform,
                 arch,
                 docker_suffix=None,
                 use_dotnet_cli=False):
        self.name = 'csharp_%s_%s' % (platform, arch)
        self.platform = platform
        self.arch = arch
        self.docker_suffix = docker_suffix
        self.labels = ['distribtest', 'csharp', platform, arch]
        self.script_suffix = ''
        if docker_suffix:
            self.name += '_%s' % docker_suffix
            self.labels.append(docker_suffix)
        if use_dotnet_cli:
            self.name += '_dotnetcli'
            self.script_suffix = '_dotnetcli'
            self.labels.append('dotnetcli')
        else:
            self.labels.append('olddotnet')

    def pre_build_jobspecs(self):
        return []

    def build_jobspec(self):
        if self.platform == 'linux':
            return create_docker_jobspec(
                self.name,
                'tools/dockerfile/distribtest/csharp_%s_%s' %
                (self.docker_suffix, self.arch),
                'test/distrib/csharp/run_distrib_test%s.sh' %
                self.script_suffix,
                copy_rel_path='test/distrib')
        elif self.platform == 'macos':
            return create_jobspec(self.name, [
                'test/distrib/csharp/run_distrib_test%s.sh' % self.script_suffix
            ],
                                  environ={'EXTERNAL_GIT_ROOT': '../../../..'},
                                  use_workspace=True)
        elif self.platform == 'windows':
            if self.arch == 'x64':
                # Use double leading / as the first occurrence gets removed by msys bash
                # when invoking the .bat file (side-effect of posix path conversion)
                environ = {
                    'MSBUILD_EXTRA_ARGS': '//p:Platform=x64',
                    'DISTRIBTEST_OUTPATH': 'DistribTest\\bin\\x64\\Debug'
                }
            else:
                environ = {'DISTRIBTEST_OUTPATH': 'DistribTest\\bin\\Debug'}
            return create_jobspec(self.name, [
                'test\\distrib\\csharp\\run_distrib_test%s.bat' %
                self.script_suffix
            ],
                                  environ=environ,
                                  use_workspace=True)
        else:
            raise Exception("Not supported yet.")

    def __str__(self):
        return self.name


class PythonDistribTest(object):
    """Tests Python package"""

    def __init__(self, platform, arch, docker_suffix, source=False):
        self.source = source
        if source:
            self.name = 'python_dev_%s_%s_%s' % (platform, arch, docker_suffix)
        else:
            self.name = 'python_%s_%s_%s' % (platform, arch, docker_suffix)
        self.platform = platform
        self.arch = arch
        self.docker_suffix = docker_suffix
        self.labels = ['distribtest', 'python', platform, arch, docker_suffix]

    def pre_build_jobspecs(self):
        return []

    def build_jobspec(self):
        if not self.platform == 'linux':
            raise Exception("Not supported yet.")

        if self.source:
            return create_docker_jobspec(
                self.name,
                'tools/dockerfile/distribtest/python_dev_%s_%s' %
                (self.docker_suffix, self.arch),
                'test/distrib/python/run_source_distrib_test.sh',
                copy_rel_path='test/distrib')
        else:
            return create_docker_jobspec(
                self.name,
                'tools/dockerfile/distribtest/python_%s_%s' %
                (self.docker_suffix, self.arch),
                'test/distrib/python/run_binary_distrib_test.sh',
                copy_rel_path='test/distrib')

    def __str__(self):
        return self.name


class RubyDistribTest(object):
    """Tests Ruby package"""

    def __init__(self,
                 platform,
                 arch,
                 docker_suffix,
                 ruby_version=None,
                 source=False):
        self.package_type = 'binary'
        if source:
            self.package_type = 'source'
        self.name = 'ruby_%s_%s_%s_version_%s_package_type_%s' % (
            platform, arch, docker_suffix, ruby_version or
            'unspecified', self.package_type)
        self.platform = platform
        self.arch = arch
        self.docker_suffix = docker_suffix
        self.ruby_version = ruby_version
        self.labels = ['distribtest', 'ruby', platform, arch, docker_suffix]

    def pre_build_jobspecs(self):
        return []

    def build_jobspec(self):
        arch_to_gem_arch = {
            'x64': 'x86_64',
            'x86': 'x86',
        }
        if not self.platform == 'linux':
            raise Exception("Not supported yet.")

        dockerfile_name = 'tools/dockerfile/distribtest/ruby_%s_%s' % (
            self.docker_suffix, self.arch)
        if self.ruby_version is not None:
            dockerfile_name += '_%s' % self.ruby_version
        return create_docker_jobspec(
            self.name,
            dockerfile_name,
            'test/distrib/ruby/run_distrib_test.sh %s %s %s' %
            (arch_to_gem_arch[self.arch], self.platform, self.package_type),
            copy_rel_path='test/distrib')

    def __str__(self):
        return self.name


class PHP7DistribTest(object):
    """Tests PHP7 package"""

    def __init__(self, platform, arch, docker_suffix=None):
        self.name = 'php7_%s_%s_%s' % (platform, arch, docker_suffix)
        self.platform = platform
        self.arch = arch
        self.docker_suffix = docker_suffix
        self.labels = ['distribtest', 'php7', platform, arch]
        if docker_suffix:
            self.labels.append(docker_suffix)

    def pre_build_jobspecs(self):
        return []

    def build_jobspec(self):
        if self.platform == 'linux':
            return create_docker_jobspec(
                self.name,
                'tools/dockerfile/distribtest/php7_%s_%s' %
                (self.docker_suffix, self.arch),
                'test/distrib/php/run_distrib_test.sh',
                copy_rel_path='test/distrib')
        elif self.platform == 'macos':
            return create_jobspec(
                self.name, ['test/distrib/php/run_distrib_test_macos.sh'],
                environ={'EXTERNAL_GIT_ROOT': '../../../..'},
                timeout_seconds=15 * 60,
                use_workspace=True)
        else:
            raise Exception("Not supported yet.")

    def __str__(self):
        return self.name


class CppDistribTest(object):
    """Tests Cpp make install by building examples."""

    def __init__(self, platform, arch, docker_suffix=None, testcase=None):
        if platform == 'linux':
            self.name = 'cpp_%s_%s_%s_%s' % (platform, arch, docker_suffix,
                                             testcase)
        else:
            self.name = 'cpp_%s_%s_%s' % (platform, arch, testcase)
        self.platform = platform
        self.arch = arch
        self.docker_suffix = docker_suffix
        self.testcase = testcase
        self.labels = [
            'distribtest',
            'cpp',
            platform,
            arch,
            testcase,
        ]
        if docker_suffix:
            self.labels.append(docker_suffix)

    def pre_build_jobspecs(self):
        return []

    def build_jobspec(self):
        if self.platform == 'linux':
            return create_docker_jobspec(
                self.name,
                'tools/dockerfile/distribtest/cpp_%s_%s' %
                (self.docker_suffix, self.arch),
                'test/distrib/cpp/run_distrib_test_%s.sh' % self.testcase,
                timeout_seconds=45 * 60)
        elif self.platform == 'windows':
            return create_jobspec(
                self.name,
                ['test\\distrib\\cpp\\run_distrib_test_%s.bat' % self.testcase],
                environ={},
                timeout_seconds=30 * 60,
                use_workspace=True)
        else:
            raise Exception("Not supported yet.")

    def __str__(self):
        return self.name


def targets():
    """Gets list of supported targets"""
    return [
        # C++
        CppDistribTest('linux', 'x64', 'jessie', 'cmake_as_submodule'),
        CppDistribTest('linux', 'x64', 'stretch', 'cmake'),
        CppDistribTest('linux', 'x64', 'stretch', 'cmake_as_externalproject'),
        CppDistribTest('linux', 'x64', 'stretch', 'cmake_fetchcontent'),
        CppDistribTest('linux', 'x64', 'stretch', 'cmake_module_install'),
        CppDistribTest('linux', 'x64', 'stretch',
                       'cmake_module_install_pkgconfig'),
        CppDistribTest('linux', 'x64', 'stretch', 'cmake_pkgconfig'),
        CppDistribTest('linux', 'x64', 'stretch', 'raspberry_pi'),
        CppDistribTest('windows', 'x86', testcase='cmake'),
        CppDistribTest('windows', 'x86', testcase='cmake_as_externalproject'),
        # C#
        CSharpDistribTest('linux', 'x64', 'jessie'),
        CSharpDistribTest('linux', 'x64', 'stretch'),
        CSharpDistribTest('linux', 'x64', 'stretch', use_dotnet_cli=True),
        CSharpDistribTest('linux', 'x64', 'centos7'),
        CSharpDistribTest('linux', 'x64', 'ubuntu1604'),
        CSharpDistribTest('linux', 'x64', 'ubuntu1604', use_dotnet_cli=True),
        CSharpDistribTest('linux', 'x64', 'alpine', use_dotnet_cli=True),
        CSharpDistribTest('linux', 'x64', 'dotnet31', use_dotnet_cli=True),
        CSharpDistribTest('linux', 'x64', 'dotnet5', use_dotnet_cli=True),
        CSharpDistribTest('macos', 'x64'),
        CSharpDistribTest('windows', 'x86'),
        CSharpDistribTest('windows', 'x64'),
        # Python
        PythonDistribTest('linux', 'x64', 'jessie'),
        PythonDistribTest('linux', 'x86', 'jessie'),
        PythonDistribTest('linux', 'x64', 'centos6'),
        PythonDistribTest('linux', 'x64', 'centos7'),
        PythonDistribTest('linux', 'x64', 'fedora23'),
        PythonDistribTest('linux', 'x64', 'opensuse'),
        PythonDistribTest('linux', 'x64', 'arch'),
        PythonDistribTest('linux', 'x64', 'ubuntu1604'),
        PythonDistribTest('linux', 'x64', 'ubuntu1804'),
        PythonDistribTest('linux', 'x64', 'alpine3.7', source=True),
        PythonDistribTest('linux', 'x64', 'jessie', source=True),
        PythonDistribTest('linux', 'x86', 'jessie', source=True),
        PythonDistribTest('linux', 'x64', 'centos7', source=True),
        PythonDistribTest('linux', 'x64', 'fedora23', source=True),
        PythonDistribTest('linux', 'x64', 'arch', source=True),
        PythonDistribTest('linux', 'x64', 'ubuntu1604', source=True),
        PythonDistribTest('linux', 'x64', 'ubuntu1804', source=True),
        # Ruby
        RubyDistribTest('linux', 'x64', 'jessie', ruby_version='ruby_2_4'),
        RubyDistribTest('linux', 'x64', 'jessie', ruby_version='ruby_2_5'),
        RubyDistribTest('linux', 'x64', 'jessie', ruby_version='ruby_2_6'),
        RubyDistribTest('linux', 'x64', 'jessie', ruby_version='ruby_2_7'),
        # TODO(apolcyn): add a ruby 3.0 test once protobuf adds support
        RubyDistribTest('linux',
                        'x64',
                        'jessie',
                        ruby_version='ruby_2_4',
                        source=True),
        RubyDistribTest('linux', 'x64', 'centos7'),
        RubyDistribTest('linux', 'x64', 'fedora23'),
        RubyDistribTest('linux', 'x64', 'opensuse'),
        RubyDistribTest('linux', 'x64', 'ubuntu1604'),
        RubyDistribTest('linux', 'x64', 'ubuntu1804'),
        # PHP7
        PHP7DistribTest('linux', 'x64', 'stretch'),
        PHP7DistribTest('macos', 'x64'),
    ]