# Copyright (c) 2021 Project CHIP 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.

import os
from enum import Enum, auto

from .builder import BuilderOutput
from .gn import GnBuilder


class InfineonApp(Enum):
    LOCK = auto()
    LIGHT = auto()
    ALL_CLUSTERS = auto()
    ALL_CLUSTERS_MINIMAL = auto()

    def ExampleName(self):
        if self == InfineonApp.LOCK:
            return 'lock-app'
        elif self == InfineonApp.LIGHT:
            return 'lighting-app'
        elif self == InfineonApp.ALL_CLUSTERS:
            return 'all-clusters-app'
        elif self == InfineonApp.ALL_CLUSTERS_MINIMAL:
            return 'all-clusters-minimal-app'
        else:
            raise Exception('Unknown app type: %r' % self)

    def AppNamePrefix(self):
        if self == InfineonApp.LOCK:
            return 'chip-psoc6-lock-example'
        elif self == InfineonApp.LIGHT:
            return 'chip-psoc6-lighting-example'
        elif self == InfineonApp.ALL_CLUSTERS:
            return 'chip-psoc6-clusters-example'
        elif self == InfineonApp.ALL_CLUSTERS_MINIMAL:
            return 'chip-psoc6-clusters-minimal-example'
        else:
            raise Exception('Unknown app type: %r' % self)

    def FlashBundleName(self):
        if self == InfineonApp.LOCK:
            return 'lock_app.flashbundle.txt'
        elif self == InfineonApp.ALL_CLUSTERS:
            return 'clusters_app.flashbundle.txt'
        elif self == InfineonApp.ALL_CLUSTERS_MINIMAL:
            return 'clusters_minimal_app.flashbundle.txt'
        elif self == InfineonApp.LIGHT:
            return 'lighting_app.flashbundle.txt'
        else:
            raise Exception('Unknown app type: %r' % self)

    def BuildRoot(self, root):
        return os.path.join(root, 'examples', self.ExampleName(), 'infineon/psoc6')


class InfineonBoard(Enum):
    PSOC6BOARD = 1

    def GnArgName(self):
        if self == InfineonBoard.PSOC6BOARD:
            return 'CY8CKIT-062S2-43012'


class InfineonBuilder(GnBuilder):

    def __init__(self,
                 root,
                 runner,
                 app: InfineonApp = InfineonApp.LOCK,
                 board: InfineonBoard = InfineonBoard.PSOC6BOARD,
                 enable_ota_requestor: bool = False,
                 update_image: bool = False,
                 enable_trustm: bool = False):
        super(InfineonBuilder, self).__init__(
            root=app.BuildRoot(root),
            runner=runner)

        self.app = app
        self.extra_gn_options = ['psoc6_board="%s"' % board.GnArgName()]

        if enable_ota_requestor:
            self.extra_gn_options.append('chip_enable_ota_requestor=true')
        if update_image:
            self.extra_gn_options.append('build_update_image=true')
        if enable_trustm:
            self.extra_gn_options.append('chip_crypto=\"platform\"')
        if enable_trustm is False:
            self.extra_gn_options.append('chip_crypto=\"mbedtls\"')

    def GnBuildArgs(self):
        return self.extra_gn_options

    def build_outputs(self):
        extensions = ['out']
        if self.options.enable_link_map_file:
            extensions.append('out.map')
        for ext in extensions:
            name = f"{self.app.AppNamePrefix()}.{ext}"
            yield BuilderOutput(os.path.join(self.output_dir, name), name)

    def bundle_outputs(self):
        with open(os.path.join(self.output_dir, self.app.FlashBundleName())) as f:
            for line in filter(None, [x.strip() for x in f.readlines()]):
                yield BuilderOutput(os.path.join(self.output_dir, line), line)