#!/usr/bin/env bash

SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
  SOURCE="$(readlink "$SOURCE")"
  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
REPOROOT="$( cd -P "$DIR/.." && pwd )"

echo "Bootstrapping dotnet.exe using DNX"

UNAME=$(uname)
if [ "$UNAME" == "Darwin" ]; then
    RID=osx.10.10-x64
elif [ "$UNAME" == "Linux" ]; then
    # Detect Distro?
    RID=ubuntu.14.04-x64
else
    echo "Unknown OS: $UNAME" 1>&2
    exit 1
fi

OUTPUT_ROOT=$REPOROOT/artifacts/$RID
STAGE1_DIR=$OUTPUT_ROOT/stage1
STAGE2_DIR=$OUTPUT_ROOT/stage2

STAGE0_PUBLISH=$REPOROOT/scripts/stage0/dotnet-publish

export DOTNET_CLR_HOSTS_PATH=$REPOROOT/ext/CLRHost/$RID
export DOTNET_CSC_PATH=$REPOROOT/src/cscthingy/bin/Debug/dnxcore50/publish

type -p dnx >/dev/null
if [ ! $? ]; then
    echo "DNX is required to bootstrap stage1" 1>&2
    exit 1
fi

echo "Running 'dnu restore' to restore packages for DNX-hosted projects"

dnu restore "$REPOROOT" --runtime osx.10.10-x64 --runtime osx.10.11-x64

# Clean up stage1
[ -d "$STAGE1_DIR" ] && rm -Rf "$STAGE1_DIR"

echo "Building basic dotnet tools using Stage 0 (DNX hosted)"
$STAGE0_PUBLISH --framework dnxcore50 --runtime $RID --output "$STAGE1_DIR" "$REPOROOT/src/Microsoft.DotNet.Cli"
$STAGE0_PUBLISH --framework dnxcore50 --runtime $RID --output "$STAGE1_DIR" "$REPOROOT/src/Microsoft.DotNet.Tools.Compiler"
$STAGE0_PUBLISH --framework dnxcore50 --runtime $RID --output "$STAGE1_DIR" "$REPOROOT/src/Microsoft.DotNet.Tools.Publish"

# Add stage1 to the path and use it to build stage2
export PATH=$STAGE1_DIR:$PATH

echo "Building stage2 dotnet using stage1 ..."
dotnet publish --framework dnxcore50 --runtime $RID --output "$STAGE2_DIR" "$REPOROOT/src/Microsoft.DotNet.Cli"
dotnet publish --framework dnxcore50 --runtime $RID --output "$STAGE2_DIR" "$REPOROOT/src/Microsoft.DotNet.Tools.Compiler"
dotnet publish --framework dnxcore50 --runtime $RID --output "$STAGE2_DIR" "$REPOROOT/src/Microsoft.DotNet.Tools.Publish"