#!/usr/bin/env bash
set -o pipefail

# Colors
GREEN="\033[1;32m"
CYAN="\033[0;36m"
RESET="\033[0m"
RED="\033[0;31m"


# functions

__exec() {
    local cmd=$1
    shift

    local cmdname=$(basename $cmd)
    echo -e "${CYAN}> $cmdname $@${RESET}"
    $cmd "$@"
    local exitCode=$?
    if [ $exitCode -ne 0 ]; then
        echo -e "${RED}'$cmdname $@' failed with exit code $exitCode${RESET}" 1>&2
        exit $exitCode
    fi
}

msbuild_args=""
repoFolder=""
while [[ $# > 0 ]]; do
    case $1 in
        -r)
            shift
            repoFolder=$1
            ;;
        *)
            msbuild_args+="\"$1\"\n"
            ;;
    esac
    shift
done
if [ ! -e "$repoFolder" ]; then
    printf "Usage: $filename -r [repoFolder] [ [msbuild-args] ]\n\n"
    echo "       -r [repo]       The repository to build"
    echo "       [msbuild-args]  A space separated list of arguments to pass to MSBuild"
    exit 1
fi

echo "Building $repoFolder"
cd $repoFolder

scriptRoot="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

if [ "$(uname)" == "Darwin" ]; then
    ulimit -n 2048

    # Check that OS is 10.12 or newer
    osx_version="$(sw_vers | grep ProductVersion | awk '{print $2}')"
    minor_version="$(echo $osx_version | awk -F '.' '{print $2}')"
    if [ $minor_version -lt 12 ]; then
        echo -e "${RED}.NET Core 2.0 requires OSX 10.12 or newer. Current version is $osx_version.${RESET}"
        exit 1
    fi
fi

versionFile="$scriptRoot/cli.version"
version=$(<$versionFile)
sharedRuntimeVersionFile="$scriptRoot/shared-runtime.version"
sharedRuntimeVersion=$(<$sharedRuntimeVersionFile)

[ -z "$KOREBUILD_DOTNET_CHANNEL" ] && KOREBUILD_DOTNET_CHANNEL="preview"
[ -z "$KOREBUILD_DOTNET_VERSION" ] && KOREBUILD_DOTNET_VERSION=$version
[ -z "$KOREBUILD_DOTNET_SHARED_RUNTIME_CHANNEL" ] && KOREBUILD_DOTNET_SHARED_RUNTIME_CHANNEL="master"
[ -z "$KOREBUILD_DOTNET_SHARED_RUNTIME_VERSION" ] && KOREBUILD_DOTNET_SHARED_RUNTIME_VERSION=$sharedRuntimeVersion

install_shared_runtime() {
    eval $invocation

    local version=$1
    local channel=$2

    local sharedRuntimePath="$DOTNET_INSTALL_DIR/shared/Microsoft.NETCore.App/$version"
    if [ ! -d "$sharedRuntimePath" ]; then
        $scriptRoot/dotnet/dotnet-install.sh \
            --shared-runtime \
            --channel $channel \
            --version $version

        if [ $? -ne 0 ]; then
            exit 1
        fi
    fi
}

build_taskproject() {
    local taskProj="$repoFolder/build/tasks/RepoTasks.csproj"
    local publishFolder="$repoFolder/build/tasks/bin/publish/"

    if [[ ! -f $taskProj ]]; then
        # skipping
        return
    fi

    if [[ -d $publishFolder ]]; then
        rm -rf $publishFolder
    fi

    __exec dotnet restore $taskProj
    __exec dotnet publish $taskProj --configuration Release --output $publishFolder
}

if [ ! -z "$KOREBUILD_SKIP_RUNTIME_INSTALL" ]; then
    echo "Skipping runtime installation because KOREBUILD_SKIP_RUNTIME_INSTALL is set"

    # Add .NET installation directory to the path if it isn't yet included.
    # Add to the _end_ in case preferred .NET CLI is not in the default location.
    [[ ":$PATH:" != *":$DOTNET_INSTALL_DIR:"* ]] && export PATH="$PATH:$DOTNET_INSTALL_DIR"
else
    # Need to set this variable because by default the install script
    # requires sudo
    [ -z "$DOTNET_INSTALL_DIR" ] && DOTNET_INSTALL_DIR=~/.dotnet
    export DOTNET_INSTALL_DIR=$DOTNET_INSTALL_DIR
    chmod +x $scriptRoot/dotnet/dotnet-install.sh

    # Temporarily install these runtimes to prevent build breaks for repos not yet converted
    # 1.0.5 - for tools
    install_shared_runtime "1.0.5" "preview"
    # 1.1.2 - for test projects which haven't yet been converted to netcoreapp2.0
    install_shared_runtime "1.1.2" "release/1.1.0"

    if [ "$sharedRuntimeVersion" != "" ]; then
        install_shared_runtime $KOREBUILD_DOTNET_SHARED_RUNTIME_VERSION $KOREBUILD_DOTNET_SHARED_RUNTIME_CHANNEL
    fi

    $scriptRoot/dotnet/dotnet-install.sh \
        --channel $KOREBUILD_DOTNET_CHANNEL \
        --version $KOREBUILD_DOTNET_VERSION

    if [ $? -ne 0 ]; then
        exit 1
    fi

    # Add .NET installation directory to the path if it isn't yet included.
    [[ ":$PATH:" != *":$DOTNET_INSTALL_DIR:"* ]] && export PATH="$DOTNET_INSTALL_DIR:$PATH"
fi

netfxversion='4.6.1'
if [ "$NUGET_PACKAGES" == "" ]; then
    NUGET_PACKAGES="$HOME/.nuget/packages"
fi
export ReferenceAssemblyRoot=$NUGET_PACKAGES/netframeworkreferenceassemblies/$netfxversion/content

makeFileProj="$scriptRoot/KoreBuild.proj"
msbuildArtifactsDir="$repoFolder/artifacts/msbuild"
msbuildResponseFile="$msbuildArtifactsDir/msbuild.rsp"
msbuildLogFile="$msbuildArtifactsDir/msbuild.binlog"

if [ ! -f $msbuildArtifactsDir ]; then
    mkdir -p $msbuildArtifactsDir
fi

cat > $msbuildResponseFile <<ENDMSBUILDARGS
/nologo
/m
/p:RepositoryRoot="$repoFolder/"
/fl /flp:verbosity=diagnostic
/clp:Summary
"$makeFileProj"
ENDMSBUILDARGS
echo -e "$msbuild_args" >> $msbuildResponseFile

build_taskproject
__exec dotnet restore /p:PreflightRestore=true /p:NetFxVersion=$netfxversion "$makeFileProj"
__exec dotnet msbuild @"$msbuildResponseFile"