#!/bin/sh
# This script is used for testing the build, primarily for use
# with travis, but may be used by hand as well.

set -e
set -x

# Test autoconf build
autoconf_build()
{
    autoreconf -ivf

    mkdir autoconf-build
    cd autoconf-build
    echo "Running ../configure --prefix=$(pwd)/../autoconf-install) ${opts}"
    ../configure --prefix=$(pwd)/../autoconf-install ${opts}
    make
    make install
    make check
    make distcheck
}

# Install needed tools
cmake_deps()
{
    mkdir -p download
    mkdir -p tools

    if [ "$(uname -s)" = "Linux" ]; then
        cmake_file="cmake-3.8.2-Linux-x86_64.tar.gz"
        cmake_hash="574673d3f37b0be6a0813b894a8bce9c4af08c13f1ec25c030a69f42e0e4b349e0192385ef20c8a9271055b7c3b24c5b20fb5009762131a3fba3d17576e641f1"
    elif [ "$(uname -s)" = "Darwin" ]; then
        cmake_file="cmake-3.8.2-Darwin-x86_64.tar.gz"
        cmake_hash="fd1c09dd73fe2b23fdc9ac915a90343d2e27409182dd1f2bf509ddf54ca926f97e1906fc18f119e8ea52797c05d4b919772f43500bffbcf2c3cdc86828d9067e"
    fi
    cmake_url="https://cmake.org/files/v3.8/${cmake_file}"

    if [ "$(uname -s)" = "Linux" ]; then
        ninja_file="ninja-linux.zip"
        ninja_hash="2dddc52750c5e6f841acd0d978b894c9a6562f12ddb4ba9e5118a213f54265f065682ffe1bc7bc2ac6146760145d17800a4b7373791cd1fbbaf0836faf050e19"
    elif [ "$(uname -s)" = "Darwin" ]; then
        ninja_file="ninja-mac.zip"
        ninja_hash="e008c9814447bbf356be7f2daf6d212657fb22b67e7de3885bd2f27766cd7c8a2ad61a4aace170674464ccf55813cbe2bf311485bc2058e89867f17b692642b9"
    fi
    ninja_url="https://github.com/ninja-build/ninja/releases/download/v1.7.2/${ninja_file}"

    (
        cd download
        if [ ! -f "$cmake_file" ] || [ "$(shasum -a 512 "$cmake_file")" != "$cmake_hash  $cmake_file" ]; then
            wget "$cmake_url"
            if [ "$(shasum -a 512 "$cmake_file")" != "$cmake_hash  $cmake_file" ]; then
                echo "Error: cmake download hash mismatch" >&2
                exit 1
            fi
        fi
        tar xf "$cmake_file"
        cp -a ${cmake_file%.tar.gz}/* ../tools

        if [ "$1" = "Ninja" ]; then
            if [ ! -f "$ninja_file" ] || [ "$(shasum -a 512 "$ninja_file")" != "$ninja_hash  $ninja_file" ]; then
                wget "$ninja_url"
                if [ "$(shasum -a 512 "$ninja_file")" != "$ninja_hash  $ninja_file" ]; then
                    echo "Error: ninja download hash mismatch" >&2
                    exit 1
                fi
            fi
            unzip "$ninja_file"
            mkdir -p ../tools/bin
            mv ninja ../tools/bin
        fi
    )
}

# Test autoconf build
cmake_build()
{
    PATH="$(pwd)/tools/bin:$PATH"
    if [ "$(uname -s)" = "Darwin" ]; then
        PATH="$(pwd)/tools/CMake.app/Contents/bin:$PATH"
    fi
    mkdir cmake-build
    cd cmake-build
    echo "Running cmake -G "$1" -DCMAKE_BUILD_TYPE="$2" -DCMAKE_INSTALL_PREFIX=../autoconf-install ${opts} .."
    cmake -G "$1" -DCMAKE_BUILD_TYPE="$2" -DCMAKE_INSTALL_PREFIX=../autoconf-install ${opts} ..
    cmake --build .
    cmake --build . --target install
    ctest -V
}

build=$1
shift

case $build in
    autoconf)
        echo "Testing Autoconf build"
        autoconf_build "$@"
        ;;
    cmake)
        echo "Testing CMake build"
        cmake_deps "$@"
        cmake_build "$@"
        ;;
    *)
        echo "Invalid argument: \"$arg\"" >&2
        exit 1
        ;;
esac

exit 0