#!/bin/bash

# Copyright (c) Microsoft. All rights reserved.
# Licensed under the MIT license. See LICENSE file in the project root for full license information.

# WARNING. This will run in Microsoft Internal Environment ONLY
# Generating CNTK Binary drops in Jenkins environment

# Stop on Error
set -e

# Define variables to be set via command parameters
buildConfig=
targetConfig=
verbose=false

# Process Command line parameters

usage="Usage: make_binary_drop_linux -b build_configuration -t target_configuration [-v] [-h]\nBuild and Target configurations should correspond to Jenkins environment\n-v Verbose output\n-h Displays this message\nExample: make_binary_drop_linux -b Release -t gpu -v"

if [[ $# == 0 ]]; then
    echo "Command line parameters are missing" >&2
    echo -e $usage >&2
    exit 1
fi

while getopts ":b::t::v" opt; do
    case $opt in
    b)
        # Supposed to be taken from Jenkins BUILD_CONFIGURATION
        buildConfig=$OPTARG
        ;;
    t)
        # Supposed to be taken from Jenkins TARGET_CONFIGURATION
        targetConfig=$OPTARG
        ;;
    v)
        # Enables verbose output
        verbose=true
        ;;
    h)
        # Display Usage message and exit
        echo -e $usage
        exit 0
        ;;
    \?)
        echo "Invalid parameter: -$OPTARG" >&2
        echo -e $usage >&2
        exit 1
        ;;
    :)
        echo "Parameter -$OPTARG requires an argument." >&2
        echo -e $usage >&2
        exit 1
        ;;
    esac
done

# Check mandatory parameters presence
if [[ -z "$buildConfig" ]]; then
    echo "Parameter -b is missing." >&2
    echo -e $usage >&2
    exit 1
fi

if [[ -z "$targetConfig" ]]; then
    echo "Parameter -t is missing." >&2
    echo -e $usage >&2
    exit 1
fi

# Make buildConfig and targetConfig lowercase
buildConfig=$(echo ${buildConfig} | tr '[:upper:]' '[:lower:]')
targetConfig=$(echo ${targetConfig} | tr '[:upper:]' '[:lower:]')

# Enable "verbose" mode if needed
# stderr is NOT changed
if [[ "$verbose" == true ]]; then
    exec 3>&1
else
    exec 3>/dev/null
fi

# Define helper function

# File List Copy function
# usage: CopyFilesFromList source_path file_name_array destination_path
function CopyFilesFromList ()
{
    declare -a fileNames=(${!2})
    for fileName in  "${fileNames[@]}"
    do
        cp "$1/$fileName" "$3"
    done
}

# Main script

echo "Making binary drops..." >&3

# If not a Release build quit
if [[ $buildConfig != "release" ]]; then
    echo "Not a release build. No binary drops generation" >&3
    exit 0
fi

# Dependency files

# MKL
declare -a mklFiles=("libmkl_cntk_p.so" "libiomp5.so")

# Open CV
declare -a opencvFiles=("libopencv_core.so.3.1" "libopencv_imgproc.so.3.1" "libopencv_imgproc.so.3.1" "libopencv_imgcodecs.so.3.1")

# libzip
declare -a libzipFiles=("libzip.so")

# CUDA
declare -a cudaFiles=("libcudart.so.7.5" "libcublas.so.7.5" "libcurand.so.7.5" "libcusparse.so.7.5")

# cuDNN
declare -a cudnnFiles=("libcudnn.so.4")

# Set dependency sources paths
mklPath="/usr/local/CNTKCustomMKL/1/x64/parallel"
opencvPath="/usr/local/opencv-3.1.0/lib"
libzipPath="/usr/local/lib"
cudaPath="/usr/local/cuda/lib64"
cudnnPath="/usr/local/cudnn-4.0/cuda/lib64"

# Set build paths
buildPath="build/$targetConfig/release"
basePath="BinaryDrops"
baseDropPath="$basePath/cntk"
baseBinariesPath="$baseDropPath/cntk"
baseDependenciesPath="$baseBinariesPath/dependencies/lib"
extrasPath="Tools/cntk-binary-drop/linux/$targetConfig"
gzipFile="BinaryDrops.tar.gz"

# Make BinaryDrops directory
mkdir -p $baseBinariesPath

# Copy build binaries
echo "Copying build binaries..." >&3
cp -r $buildPath/* $baseBinariesPath

# Copy Examples
echo "Copying Examples..." >&3
cp -r Examples $baseDropPath

# Copy Scripts (Scripts folder from the root of the Repo)
echo "Copying Scripts..." >&3
cp -r Scripts $baseDropPath
# Remove test related file(s) if exist(s)
set +e
rm $baseDropPath/Scripts/pytest.ini
set -e

# Copy Extras
echo "Copying Extras..." >&3
cp -r $extrasPath/* $baseDropPath

# Copy Dependencies
echo "Copying Dependencies..." >&3

# Make dependencies directory
mkdir -p $baseDependenciesPath

# Copy MKL
echo "Copying MKL" >&3
CopyFilesFromList $mklPath mklFiles[@] $baseDependenciesPath

# Copy Open CV
echo "Copying Open CV..." >&3
CopyFilesFromList $opencvPath opencvFiles[@] $baseDependenciesPath

# Copy libzip
echo "Copying libzip..." >&3
CopyFilesFromList $libzipPath libzipFiles[@] $baseDependenciesPath

# GPU Drops only
if [[ $targetConfig != "cpu" ]]; then

    # Copy CUDA
    echo "Copying CUDA..." >&3
    CopyFilesFromList $cudaPath cudaFiles[@] $baseDependenciesPath

    # Copy cuDNN
    echo "Copying cuDNN..." >&3
    CopyFilesFromList $cudnnPath cudnnFiles[@] $baseDependenciesPath

fi

echo "Making Archive and cleaning up..." >&3
# Make GZipped TAR
cd $basePath
if [[ "$verbose" == true ]]; then
    tar -cvzf $gzipFile cntk
else
    tar -czf $gzipFile cntk
fi

# Remove TAR sources
rm -r cntk