#!/bin/bash

###############################################################################
#  
#  ./dev.sh build/layout/test/package [Debug/Release]
#
###############################################################################

set -e

DEV_CMD=$1
DEV_CONFIG=$2
DEV_TARGET_RUNTIME=$3

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LAYOUT_DIR="$SCRIPT_DIR/../_layout"
LAYOUT_TRIMS_DIR="$SCRIPT_DIR/../_layout_trims"
LAYOUT_TRIM_EXTERNALS_DIR="$LAYOUT_TRIMS_DIR/trim_externals"
LAYOUT_TRIM_RUNTIME_DIR="$LAYOUT_TRIMS_DIR/trim_runtime"
LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR="$LAYOUT_TRIMS_DIR/trim_runtime_externals"
DOWNLOAD_DIR="$SCRIPT_DIR/../_downloads/netcore2x"
PACKAGE_DIR="$SCRIPT_DIR/../_package"
PACKAGE_TRIMS_DIR="$SCRIPT_DIR/../_package_trims"
DOTNETSDK_ROOT="$SCRIPT_DIR/../_dotnetsdk"
DOTNETSDK_VERSION="6.0.300"
DOTNETSDK_INSTALLDIR="$DOTNETSDK_ROOT/$DOTNETSDK_VERSION"
RUNNER_VERSION=$(cat runnerversion)

pushd "$SCRIPT_DIR"

BUILD_CONFIG="Debug"
if [[ "$DEV_CONFIG" == "Release" ]]; then
    BUILD_CONFIG="Release"
fi

CURRENT_PLATFORM="windows"
if [[ ($(uname) == "Linux") || ($(uname) == "Darwin") ]]; then
    CURRENT_PLATFORM=$(uname | awk '{print tolower($0)}')
fi

if [[ "$CURRENT_PLATFORM" == 'windows' ]]; then
    RUNTIME_ID='win-x64'
    if [[ "$PROCESSOR_ARCHITECTURE" == 'x86' ]]; then
        RUNTIME_ID='win-x86'
    fi
elif [[ "$CURRENT_PLATFORM" == 'linux' ]]; then
    RUNTIME_ID="linux-x64"
    if command -v uname > /dev/null; then
        CPU_NAME=$(uname -m)
        case $CPU_NAME in
            armv7l) RUNTIME_ID="linux-arm";;
            aarch64) RUNTIME_ID="linux-arm64";;
        esac
    fi
elif [[ "$CURRENT_PLATFORM" == 'darwin' ]]; then
    RUNTIME_ID='osx-x64'
    if command -v uname > /dev/null; then
        CPU_NAME=$(uname -m)
        case $CPU_NAME in
            arm64) RUNTIME_ID="osx-arm64";;
        esac
    fi
fi

if [[ -n "$DEV_TARGET_RUNTIME" ]]; then
    RUNTIME_ID="$DEV_TARGET_RUNTIME"
fi

# Make sure current platform support publish the dotnet runtime
# Windows can publish win-x86/x64
# Linux can publish linux-x64/arm/arm64
# OSX can publish osx-x64/arm64
if [[ "$CURRENT_PLATFORM" == 'windows' ]]; then
    if [[ ("$RUNTIME_ID" != 'win-x86') && ("$RUNTIME_ID" != 'win-x64') ]]; then
        echo "Failed: Can't build $RUNTIME_ID package $CURRENT_PLATFORM" >&2
        exit 1
    fi
elif [[ "$CURRENT_PLATFORM" == 'linux' ]]; then
    if [[ ("$RUNTIME_ID" != 'linux-x64') && ("$RUNTIME_ID" != 'linux-x86') && ("$RUNTIME_ID" != 'linux-arm64') && ("$RUNTIME_ID" != 'linux-arm') ]]; then
       echo "Failed: Can't build $RUNTIME_ID package $CURRENT_PLATFORM" >&2
       exit 1
    fi
elif [[ "$CURRENT_PLATFORM" == 'darwin' ]]; then
    if [[ ("$RUNTIME_ID" != 'osx-x64') && ("$RUNTIME_ID" != 'osx-arm64') ]]; then
       echo "Failed: Can't build $RUNTIME_ID package $CURRENT_PLATFORM" >&2
       exit 1
    fi
fi

function failed()
{
    local error=${1:-Undefined error}
    echo "Failed: $error" >&2
    popd
    exit 1
}

function warn()
{
    local error=${1:-Undefined error}
    echo "WARNING - FAILED: $error" >&2
}

function checkRC() {
    local rc=$?
    if [ $rc -ne 0 ]; then
        failed "${1} Failed with return code $rc"
    fi
}

function heading()
{
    echo
    echo
    echo "-----------------------------------------"
    echo "  ${1}"
    echo "-----------------------------------------"
}

function build ()
{
    heading "Building ..."
    dotnet msbuild -t:Build -p:PackageRuntime="${RUNTIME_ID}" -p:BUILDCONFIG="${BUILD_CONFIG}" -p:RunnerVersion="${RUNNER_VERSION}" ./dir.proj || failed build
}

function layout ()
{
    heading "Create layout ..."
    dotnet msbuild -t:layout -p:PackageRuntime="${RUNTIME_ID}" -p:BUILDCONFIG="${BUILD_CONFIG}" -p:RunnerVersion="${RUNNER_VERSION}" ./dir.proj || failed build

    #change execution flag to allow running with sudo
    if [[ ("$CURRENT_PLATFORM" == "linux") || ("$CURRENT_PLATFORM" == "darwin") ]]; then
        chmod +x "${LAYOUT_DIR}/bin/Runner.Listener"
        chmod +x "${LAYOUT_DIR}/bin/Runner.Worker"
        chmod +x "${LAYOUT_DIR}/bin/Runner.PluginHost"
        chmod +x "${LAYOUT_DIR}/bin/installdependencies.sh"
        chmod +x "${LAYOUT_DIR}/safe_sleep.sh"
    fi

    heading "Setup externals folder for $RUNTIME_ID runner's layout"
    bash ./Misc/externals.sh $RUNTIME_ID || checkRC externals.sh

    heading "Create layout (Trimmed) ..."

    rm -Rf "$LAYOUT_TRIMS_DIR"
    mkdir -p "$LAYOUT_TRIMS_DIR"
    mkdir -p "$LAYOUT_TRIMS_DIR/runtime"
    cp -r "$LAYOUT_DIR/bin/." "$LAYOUT_TRIMS_DIR/runtime"
    mkdir -p "$LAYOUT_TRIMS_DIR/externals"
    cp -r "$LAYOUT_DIR/externals/." "$LAYOUT_TRIMS_DIR/externals"

    pushd "$LAYOUT_TRIMS_DIR/runtime" > /dev/null
    if [[ ("$CURRENT_PLATFORM" == "windows") ]]; then
        sed -i 's/\n$/\r\n/' "$SCRIPT_DIR/Misc/runnercoreassets"
    fi

    cat "$SCRIPT_DIR/Misc/runnercoreassets" | xargs rm -f
    find . -empty -type d -delete
    find . -type f > "$LAYOUT_TRIMS_DIR/runnerdotnetruntimeassets"
    popd > /dev/null

    heading "Create layout with externals trimmed ..."
    mkdir -p "$LAYOUT_TRIM_EXTERNALS_DIR"
    cp -r "$LAYOUT_DIR/." "$LAYOUT_TRIM_EXTERNALS_DIR/"
    rm -Rf "$LAYOUT_TRIM_EXTERNALS_DIR/externals"
    echo "Created... $LAYOUT_TRIM_EXTERNALS_DIR"

    heading "Create layout with dotnet runtime trimmed ..."
    mkdir -p "$LAYOUT_TRIM_RUNTIME_DIR"
    cp -r "$LAYOUT_DIR/." "$LAYOUT_TRIM_RUNTIME_DIR/"
    pushd "$LAYOUT_TRIM_RUNTIME_DIR/bin" > /dev/null
    cat "$LAYOUT_TRIMS_DIR/runnerdotnetruntimeassets" | xargs rm -f
    echo "Created... $LAYOUT_TRIM_RUNTIME_DIR"
    popd > /dev/null

    heading "Create layout with externals and dotnet runtime trimmed ..."
    mkdir -p "$LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR"
    cp -r "$LAYOUT_DIR/." "$LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR/"
    rm -Rf "$LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR/externals"
    pushd "$LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR/bin" > /dev/null
    cat "$LAYOUT_TRIMS_DIR/runnerdotnetruntimeassets" | xargs rm -f
    echo "Created... $LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR"
    popd > /dev/null
}

function runtest ()
{
    heading "Testing ..."

    if [[ ("$CURRENT_PLATFORM" == "linux") || ("$CURRENT_PLATFORM" == "darwin") ]]; then
        ulimit -n 1024
    fi

    dotnet msbuild -t:test -p:PackageRuntime="${RUNTIME_ID}" -p:BUILDCONFIG="${BUILD_CONFIG}" -p:RunnerVersion="${RUNNER_VERSION}" ./dir.proj || failed "failed tests" 
}

function package ()
{
    if [ ! -d "${LAYOUT_DIR}/bin" ]; then
        echo "You must build first.  Expecting to find ${LAYOUT_DIR}/bin"
    fi

    # TODO: We are cross-compiling arm on x64 so we cant exec Runner.Listener. Remove after building on native arm host
    runner_ver=$("${LAYOUT_DIR}/bin/Runner.Listener" --version) || runner_ver=$(cat runnerversion) || failed "version"
    runner_pkg_name="actions-runner-${RUNTIME_ID}-${runner_ver}"

    heading "Packaging ${runner_pkg_name}"

    rm -Rf "${LAYOUT_DIR:?}/_diag"
    find "${LAYOUT_DIR}/bin" -type f -name '*.pdb' -delete

    mkdir -p "$PACKAGE_DIR"
    mkdir -p "$PACKAGE_TRIMS_DIR"
    rm -Rf "${PACKAGE_DIR:?}"/*
    rm -Rf "${PACKAGE_TRIMS_DIR:?}"/*

    pushd "$PACKAGE_DIR" > /dev/null

    if [[ ("$CURRENT_PLATFORM" == "linux") || ("$CURRENT_PLATFORM" == "darwin") ]]; then
        tar_name="${runner_pkg_name}.tar.gz"
        echo "Creating $tar_name in ${LAYOUT_DIR}"
        tar -czf "${tar_name}" -C "${LAYOUT_DIR}" .
    elif [[ ("$CURRENT_PLATFORM" == "windows") ]]; then
        zip_name="${runner_pkg_name}.zip"
        echo "Convert ${LAYOUT_DIR} to Windows style path"
        window_path=${LAYOUT_DIR:1}
        window_path=${window_path:0:1}:${window_path:1}
        echo "Creating $zip_name in ${window_path}"
        powershell -NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command "Add-Type -Assembly \"System.IO.Compression.FileSystem\"; [System.IO.Compression.ZipFile]::CreateFromDirectory(\"${window_path}\", \"${zip_name}\")"
    fi

    popd > /dev/null

    runner_trim_externals_pkg_name="actions-runner-${RUNTIME_ID}-${runner_ver}-noexternals"
    heading "Packaging ${runner_trim_externals_pkg_name} (Trimmed)" 

    PACKAGE_TRIM_EXTERNALS_DIR="$PACKAGE_TRIMS_DIR/trim_externals"
    mkdir -p "$PACKAGE_TRIM_EXTERNALS_DIR"
    pushd "$PACKAGE_TRIM_EXTERNALS_DIR" > /dev/null
    if [[ ("$CURRENT_PLATFORM" == "linux") || ("$CURRENT_PLATFORM" == "darwin") ]]; then
        tar_name="${runner_trim_externals_pkg_name}.tar.gz"
        echo "Creating $tar_name in ${LAYOUT_TRIM_EXTERNALS_DIR}"
        tar -czf "${tar_name}" -C "${LAYOUT_TRIM_EXTERNALS_DIR}" .
    elif [[ ("$CURRENT_PLATFORM" == "windows") ]]; then
        zip_name="${runner_trim_externals_pkg_name}.zip"
        echo "Convert ${LAYOUT_TRIM_EXTERNALS_DIR} to Windows style path"
        window_path=${LAYOUT_TRIM_EXTERNALS_DIR:1}
        window_path=${window_path:0:1}:${window_path:1}
        echo "Creating $zip_name in ${window_path}"
        powershell -NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command "Add-Type -Assembly \"System.IO.Compression.FileSystem\"; [System.IO.Compression.ZipFile]::CreateFromDirectory(\"${window_path}\", \"${zip_name}\")"
    fi
    popd > /dev/null

    runner_trim_runtime_pkg_name="actions-runner-${RUNTIME_ID}-${runner_ver}-noruntime"
    heading "Packaging ${runner_trim_runtime_pkg_name} (Trimmed)" 

    PACKAGE_TRIM_RUNTIME_DIR="$PACKAGE_TRIMS_DIR/trim_runtime"
    mkdir -p "$PACKAGE_TRIM_RUNTIME_DIR"
    pushd "$PACKAGE_TRIM_RUNTIME_DIR" > /dev/null
    if [[ ("$CURRENT_PLATFORM" == "linux") || ("$CURRENT_PLATFORM" == "darwin") ]]; then
        tar_name="${runner_trim_runtime_pkg_name}.tar.gz"
        echo "Creating $tar_name in ${LAYOUT_TRIM_RUNTIME_DIR}"
        tar -czf "${tar_name}" -C "${LAYOUT_TRIM_RUNTIME_DIR}" .
    elif [[ ("$CURRENT_PLATFORM" == "windows") ]]; then
        zip_name="${runner_trim_runtime_pkg_name}.zip"
        echo "Convert ${LAYOUT_TRIM_RUNTIME_DIR} to Windows style path"
        window_path=${LAYOUT_TRIM_RUNTIME_DIR:1}
        window_path=${window_path:0:1}:${window_path:1}
        echo "Creating $zip_name in ${window_path}"
        powershell -NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command "Add-Type -Assembly \"System.IO.Compression.FileSystem\"; [System.IO.Compression.ZipFile]::CreateFromDirectory(\"${window_path}\", \"${zip_name}\")"
    fi
    popd > /dev/null

    runner_trim_runtime_externals_pkg_name="actions-runner-${RUNTIME_ID}-${runner_ver}-noruntime-noexternals"
    heading "Packaging ${runner_trim_runtime_externals_pkg_name} (Trimmed)" 

    PACKAGE_TRIM_RUNTIME_EXTERNALS_DIR="$PACKAGE_TRIMS_DIR/trim_runtime_externals"
    mkdir -p "$PACKAGE_TRIM_RUNTIME_EXTERNALS_DIR"
    pushd "$PACKAGE_TRIM_RUNTIME_EXTERNALS_DIR" > /dev/null
    if [[ ("$CURRENT_PLATFORM" == "linux") || ("$CURRENT_PLATFORM" == "darwin") ]]; then
        tar_name="${runner_trim_runtime_externals_pkg_name}.tar.gz"
        echo "Creating $tar_name in ${LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR}"
        tar -czf "${tar_name}" -C "${LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR}" .
    elif [[ ("$CURRENT_PLATFORM" == "windows") ]]; then
        zip_name="${runner_trim_runtime_externals_pkg_name}.zip"
        echo "Convert ${LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR} to Windows style path"
        window_path=${LAYOUT_TRIM_RUNTIME_EXTERNALS_DIR:1}
        window_path=${window_path:0:1}:${window_path:1}
        echo "Creating $zip_name in ${window_path}"
        powershell -NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command "Add-Type -Assembly \"System.IO.Compression.FileSystem\"; [System.IO.Compression.ZipFile]::CreateFromDirectory(\"${window_path}\", \"${zip_name}\")"
    fi
    popd > /dev/null
}

if [[ (! -d "${DOTNETSDK_INSTALLDIR}") || (! -e "${DOTNETSDK_INSTALLDIR}/.${DOTNETSDK_VERSION}") || (! -e "${DOTNETSDK_INSTALLDIR}/dotnet") ]]; then
    
    # Download dotnet SDK to ../_dotnetsdk directory
    heading "Ensure Dotnet SDK"

    # _dotnetsdk
    #           \1.0.x
    #                            \dotnet
    #                            \.1.0.x
    echo "Download dotnetsdk into ${DOTNETSDK_INSTALLDIR}"
    rm -Rf "${DOTNETSDK_DIR}"

    # run dotnet-install.ps1 on windows, dotnet-install.sh on linux
    if [[ ("$CURRENT_PLATFORM" == "windows") ]]; then
        echo "Convert ${DOTNETSDK_INSTALLDIR} to Windows style path"
        sdkinstallwindow_path=${DOTNETSDK_INSTALLDIR:1}
        sdkinstallwindow_path=${sdkinstallwindow_path:0:1}:${sdkinstallwindow_path:1}
        powershell -NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command "& \"./Misc/dotnet-install.ps1\" -Version ${DOTNETSDK_VERSION} -InstallDir \"${sdkinstallwindow_path}\" -NoPath; exit \$LastExitCode;" || checkRC dotnet-install.ps1
    else
        bash ./Misc/dotnet-install.sh --version ${DOTNETSDK_VERSION} --install-dir "${DOTNETSDK_INSTALLDIR}" --no-path || checkRC dotnet-install.sh
    fi

    echo "${DOTNETSDK_VERSION}" > "${DOTNETSDK_INSTALLDIR}/.${DOTNETSDK_VERSION}"
fi

echo "Prepend ${DOTNETSDK_INSTALLDIR} to %PATH%"
export PATH=${DOTNETSDK_INSTALLDIR}:$PATH

heading "Dotnet SDK Version"
dotnet --version

heading "Pre-cache external resources for $RUNTIME_ID package ..."
bash ./Misc/externals.sh $RUNTIME_ID "Pre-Cache" || checkRC "externals.sh Pre-Cache"

if [[ "$CURRENT_PLATFORM" == 'windows' ]]; then
    vswhere=$(find "$DOWNLOAD_DIR" -name vswhere.exe | head -1)
    vs_location=$("$vswhere" -prerelease -latest -property installationPath)
    msbuild_location="$vs_location""\MSBuild\15.0\Bin\msbuild.exe"

    if [[ ! -e "${msbuild_location}" ]]; then
        msbuild_location="$vs_location""\MSBuild\Current\Bin\msbuild.exe"

        if [[ ! -e "${msbuild_location}" ]]; then
            failed "Can not find msbuild location, failing build"
        fi
    fi

    export DesktopMSBuild="$msbuild_location"
fi

case $DEV_CMD in
    "build") build;;
    "b") build;;
    "test") runtest;;
    "t") runtest;;
    "layout") layout;;
    "l") layout;;
    "package") package;;
    "p") package;;
    *) echo "Invalid cmd.  Use build(b), test(t), layout(l) or package(p)";;
esac

popd
echo
echo Done.
echo