#!/bin/sh
#
#  Copyright (c) 2017, The OpenThread Authors.
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#  3. Neither the name of the copyright holder nor the
#     names of its contributors may be used to endorse or promote products
#     derived from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
#
#    Description:
#      This file installs all needed dependencies and toolchains needed for
#      example compilation and programming.
#

die()
{
    echo " *** ERROR: " $*
    exit 1
}

install_packages_apt()
{
    # apt update and install dependencies
    sudo apt-get update || die
    sudo apt-get -y install automake g++ libtool lsb-release make || die

    PLATFORM=$(lsb_release -is)

    if [ $PLATFORM = "Raspbian" ]; then
        sudo apt-get -y install binutils-arm-none-eabi gcc-arm-none-eabi gdb-arm-none-eabi libnewlib-arm-none-eabi libstdc++-arm-none-eabi-newlib || die
    else
        # add gcc-arm-embedded ppa
        sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa || die
        sudo apt-get update || die
        sudo apt-get -y install gcc-arm-embedded || die
    fi

    # add clang-format for pretty
    sudo apt-get -y install clang-format-6.0
}

install_packages_opkg()
{
    echo 'opkg not supported currently' && false
}

install_packages_rpm()
{
    echo 'rpm not supported currently' && false
}

install_packages_brew()
{
    # add autotools
    brew install automake libtool

    # add ARM toolchain
    brew tap PX4/homebrew-px4
    brew install gcc-arm-none-eabi

    # check for gcc for posix examples
    if ! which gcc; then
        echo 'warning: clang/gcc needed for posix examples'
        echo 'warning: please install Command Line Tools from https://developer.apple.com/download/more/'
    fi

    # add clang-format for pretty
    CLANG_FORMAT_VERSION="clang-format version 6.0"
    which clang-format-6.0 || (which clang-format && (clang-format --version | grep -q "${CLANG_FORMAT_VERSION}")) || {
        brew install llvm@6
        sudo ln -s "$(brew --repo)/opt/llvm@6/bin/clang-format" /usr/local/bin/clang-format-6.0
    }
}

install_packages_source()
{
    echo 'source not supported currently' && false
}

install_packages()
{
    PM=source
    if which apt-get; then
        PM=apt
    elif which rpm; then
        PM=rpm
    elif which opkg; then
        PM=opkg
    elif which brew; then
        PM=brew
    fi
    install_packages_$PM
}

main()
{
    install_packages
}

main