#!/bin/bash
# Copyright (c) 2021 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.

set -e
set +e
echo "++++++++++++++++++++++++++++++++++++++++"
function check_shell_environment() {
  case $(uname -s) in 
    Linux)
          shell_result=$(/bin/sh -c 'echo ${BASH_VERSION}')
          if [ -n "${shell_result}" ]; then
            echo "The system shell is bash ${shell_result}"
          else
            echo -e "\033[33m Your system shell isn't bash, we recommend you to use bash, because some commands may not be supported in other shells, such as pushd and shopt are not supported in dash. \n You can follow these tips to modify the system shell to bash on Ubuntu: \033[0m"
            echo -e "\033[33m [1]:Open the Terminal tool and execute the following command: sudo dpkg-reconfigure dash \n [2]:Enter the password and select <no>  \033[0m"
          fi
          ;;
    Darwin)
          echo "Darwin system is not supported yet"
          ;;
    *)
          echo "Unsupported this system: $(uname -s)"
          exit 1
  esac
}

check_shell_environment 

echo "++++++++++++++++++++++++++++++++++++++++"
date +%F' '%H:%M:%S
echo $@

function help() {
  echo
  echo "Usage:"
  echo "  ./build.sh --product-name {product-name} [options]"
  echo
  echo "Examples:"
  echo "  ./build.sh --product-name rk3568 --ccache"
  echo
  echo "options"
  echo "  --ccache              use ccache, default: false"
  echo "  --jobs N              run N jobs in parallel"
  echo "  --build-target        build target name"

  echo "  --gn-args             specifies gn build arguments, eg: --gn-args=\"foo=\"bar\" enable=true blah=7\""
  echo "  --export-para         export env"
  echo "  --help, -h            print help info"
  echo "  --source-root-dir     source root directory"
  echo "  --product-name        build product name"
  echo "  --device-name         build device name"
  echo "  --target-cpu          select cpu"
  echo "  --target-os           target os"
  echo "  --compile-config      compile config"
  echo "  --ninja args          ninja args"
  echo "  --verbose, -v         show all command lines while building"
  echo "  --keep-ninja-going    keeps ninja going until 1000000 jobs fail"
  echo "  --sparse-image        sparse image, default: true"
  echo "  --build-only-gn       only do gn parse, do not run ninja"
  echo "  --fast-rebuild        it will skip prepare, preloader, gn_gen steps so we can enable it only"
  echo "  --log-level           specifies the log level during compilation, three levels are optional: debug, info and error, default: info"
  echo "  --device-type         specifies device type"
  echo "  --build-variant       specifies device operating mode"
  echo "  --share-ccache        it is customized path to place ccache, which allow one ccache shared with many project"
  echo "  --disable-post-build  it will skip post build process, you can enable it if you do not need post build. Post build include post_build.patch_ohos_para, 
                                post_build.package_image(), stat_ccache(), generate_ninja_trace(start_time), get_warning_list(), compute_overlap_rate()"
  echo "  --disable-package-image  it will skip compress image process, you can enable it if you do not need compress image"
  exit 1
}

export source_root_dir=$(cd $(dirname $0);pwd)

while [[ ! -f "${source_root_dir}/.gn" ]]; do
    source_root_dir="$(dirname "${source_root_dir}")"
    if [[ "${source_root_dir}" == "/" ]]; then
        echo "Cannot find source tree containing $(pwd)"
        exit 1
    fi
done

if [[ "${source_root_dir}x" == "x" ]]; then
  echo "Error: source_root_dir cannot be empty."
  exit 1
fi

case $(uname -s) in
    Darwin)
        HOST_DIR="darwin-x86"
        HOST_OS="mac"
        ;;
    Linux)
        HOST_DIR="linux-x86"
        HOST_OS="linux"
        ;;
    *)
        echo "Unsupported host platform: $(uname -s)"
        RET=1
        exit $RET
esac

# set python3
PYTHON3_DIR=${source_root_dir}/prebuilts/python/${HOST_DIR}/3.9.2/
PYTHON3=${PYTHON3_DIR}/bin/python3
PYTHON=${PYTHON3_DIR}/bin/python
if [[ ! -f "${PYTHON3}" ]]; then
  echo -e "\033[33m Please execute the build/prebuilts_download.sh \033[0m"
  exit 1
else
  if [[ ! -f "${PYTHON}" ]]; then
    ln -sf "${PYTHON3}" "${PYTHON}"
  fi
fi

export PATH=${source_root_dir}/prebuilts/build-tools/${HOST_DIR}/bin:${PYTHON3_DIR}/bin:$PATH

${PYTHON3} ${source_root_dir}/build/scripts/tools_checker.py

${PYTHON3} ${source_root_dir}/build/scripts/entry.py --source-root-dir ${source_root_dir} $@

if [[ "$?" -ne 0 ]]; then
    echo -e "\033[31m=====build ${product_name} error=====\033[0m"
    exit 1
fi
echo -e "\033[32m=====build ${product_name} successful=====\033[0m"

date +%F' '%H:%M:%S
echo "++++++++++++++++++++++++++++++++++++++++"