#!/usr/bin/env python3
# -*- coding: utf-8 -*-

#
# Copyright (c) 2023 Huawei Device Co., Ltd.
# 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 modules.interface.indep_build_module_interface import IndepBuildModuleInterface
from resolver.interface.args_resolver_interface import ArgsResolverInterface
from exceptions.ohos_exception import OHOSException
from services.interface.build_file_generator_interface import BuildFileGeneratorInterface
from util.log_util import LogUtil
from containers.status import throw_exception
from resolver.indep_build_args_resolver import get_part_name
from containers.arg import BuildPhase
import argparse
import sys
import os


class OHOSIndepBuildModule(IndepBuildModuleInterface):
    _instance = None

    def __init__(self, args_dict: dict, args_resolver: ArgsResolverInterface, prebuilts: BuildFileGeneratorInterface, hpm: BuildFileGeneratorInterface,
                 indep_build: BuildFileGeneratorInterface):
        super().__init__(args_dict, args_resolver)
        self._prebuilts = prebuilts
        self._hpm = hpm
        self._indep_build = indep_build
        OHOSIndepBuildModule._instance = self
    
    @property
    def prebuilts(self):
        return self._prebuilts

    @property
    def hpm(self):
        return self._hpm

    @property
    def indep_build(self):
        return self._indep_build

    @staticmethod
    def get_instance():
        if OHOSIndepBuildModule._instance is not None:
            return OHOSIndepBuildModule._instance
        else:
            raise OHOSException(
                'OHOSIndepBuildModule has not been instantiated', '0000')
    
    @staticmethod
    def parse_build_args(args):
        parser = argparse.ArgumentParser(add_help=False)
        parser.add_argument('-i', action='store_true', help='Src option')
        parser.add_argument('-t', '--test', action='store_true', help='Test option')
        parsed, _ = parser.parse_known_args(args)
        return parsed

    @throw_exception
    def run(self):
        try:
            super().run()
        except OHOSException as exception:
            raise exception
        else:
            if len(sys.argv) < 2:
                LogUtil.hb_error("Insufficient arguments")
                return
            arg_value = "onlysrc"
            if sys.argv[1] == 'build':
                build_args = sys.argv[2:] if len(sys.argv) > 2 else []
                parsed = self.parse_build_args(build_args)

                has_i = parsed.i
                has_test = parsed.test

                if has_i and has_test:
                    arg_value = "both"
                elif has_test and not has_i:
                    arg_value = "onlytest"
            try:
                message = {
                    'both': 'build src and test success',
                    'onlytest': 'build test success',
                    'onlysrc': 'build src success'
                }[arg_value]
                LogUtil.hb_info(f'{",".join(get_part_name())} {message}')
            except KeyError as e:
                raise e

    def _target_compilation(self):
        self._rename_buildlog()
        self._run_prebuilts()
        self._run_hpm()
        self._run_indep_build()

    def _rename_buildlog(self):
        variant = self.args_dict.get("variant").arg_value
        logpath = os.path.join('out', variant, 'build.log')
        if os.path.exists(logpath):
            mtime = os.stat(logpath).st_mtime
            os.rename(logpath, '{}/build.{}.log'.format(os.path.dirname(logpath), mtime))
    
    def _run_prebuilts(self):
        self._run_phase(BuildPhase.PRE_BUILD)
        self._prebuilts.run()

    def _run_hpm(self):
        self._run_phase(BuildPhase.HPM_DOWNLOAD)
        self.hpm.run()

    def _run_indep_build(self):
        self._run_phase(BuildPhase.INDEP_COMPILATION)
        self.indep_build.run()

    def _run_phase(self, phase: BuildPhase):
        '''Description: Traverse all registered parameters in build process and 
            execute the resolver function of the corresponding phase
        @parameter: [phase]:  Build phase corresponding to parameter
        @return :none
        '''
        for arg in self.args_dict.values():
            if isinstance(arg.arg_phase, list):
                if phase in arg.arg_phase:
                    self.args_resolver.resolve_arg(arg, self)
            else:
                if phase == arg.arg_phase:
                    self.args_resolver.resolve_arg(arg, self)