# Copyright (c) 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.

import re
from os.path import join

from platformio.commands.check.defect import DefectItem
from platformio.commands.check.tools.base import CheckToolBase
from platformio.managers.core import get_core_package_dir


class ClangtidyCheckTool(CheckToolBase):
    def tool_output_filter(self, line):
        if not self.options.get("verbose") and "[clang-diagnostic-error]" in line:
            return ""

        if "[CommonOptionsParser]" in line:
            self._bad_input = True
            return line

        if any(d in line for d in ("note: ", "error: ", "warning: ")):
            return line

        return ""

    def parse_defect(self, raw_line):
        match = re.match(r"^(.*):(\d+):(\d+):\s+([^:]+):\s(.+)\[([^]]+)\]$", raw_line)
        if not match:
            return raw_line

        file_, line, column, category, message, defect_id = match.groups()

        severity = DefectItem.SEVERITY_LOW
        if category == "error":
            severity = DefectItem.SEVERITY_HIGH
        elif category == "warning":
            severity = DefectItem.SEVERITY_MEDIUM

        return DefectItem(severity, category, message, file_, line, column, defect_id)

    def configure_command(self):
        tool_path = join(get_core_package_dir("tool-clangtidy"), "clang-tidy")

        cmd = [tool_path, "--quiet"]
        flags = self.get_flags("clangtidy")
        if not self.is_flag_set("--checks", flags):
            cmd.append("--checks=*")

        cmd.extend(flags)
        cmd.extend(self.get_project_target_files())
        cmd.append("--")

        cmd.extend(["-D%s" % d for d in self.cpp_defines + self.toolchain_defines])
        cmd.extend(["-I%s" % inc for inc in self.cpp_includes])

        return cmd