#!/bin/bash

set -e
pushd $(cd $(dirname ${0})/..; pwd) > /dev/null

case "${OSTYPE}" in
    msys*) python="winpty python";;
    *) python="python";;
esac

venv() {
    env_dir=./third_party/env/nnabla
    [ -d "${env_dir}" ] || ${python} -m venv ${env_dir}
    case "${OSTYPE}" in
        msys*) source ${env_dir}/Scripts/activate;;
        *) source ${env_dir}/bin/activate;;
    esac
    ${python} -m pip install --quiet --upgrade pip
}

clean() {
    echo "nnabla clean"
    rm -rf "./third_party/env/nnabla"
    rm -rf "./third_party/source/nnabla"
}

sync() {
    echo "nnabla sync"
    mkdir -p "./third_party/source/nnabla/build-tools/code_generator"
    curl --silent --location --output "./third_party/source/nnabla/build-tools/code_generator/functions.yaml" "https://github.com/sony/nnabla/raw/master/build-tools/code_generator/functions.yaml"
    curl --silent --location --output "./third_party/source/nnabla/build-tools/code_generator/solvers.yaml" "https://github.com/sony/nnabla/raw/master/build-tools/code_generator/solvers.yaml"
    mkdir -p "./third_party/source/nnabla/src/nbla/proto"
    curl --silent --location --output "./third_party/source/nnabla/src/nbla/proto/nnabla.proto.tmpl" "https://github.com/sony/nnabla/raw/master/src/nbla/proto/nnabla.proto.tmpl"
    echo 'package nnabla;' | cat - ./third_party/source/nnabla/src/nbla/proto/nnabla.proto.tmpl > ./third_party/source/nnabla/src/nbla/proto/nnabla.proto.tmpl.temp
    mv ./third_party/source/nnabla/src/nbla/proto/nnabla.proto.tmpl.temp ./third_party/source/nnabla/src/nbla/proto/nnabla.proto.tmpl
}

install() {
    echo "nnabla install"
    venv
    ${python} -m pip install --quiet --upgrade mako pyyaml
    deactivate
}

schema() {
    echo "nnabla schema"
    venv
    ${python} -m pip --quiet install pyyaml mako
    ${python} ./tools/nnabla_script.py schema
    deactivate
    [[ $(grep -U $'\x0D' ./source/nnabla-proto.js) ]] && crlf=1
    node ./tools/protoc.js --text --root nnabla --out ./source/nnabla-proto.js ./third_party/source/nnabla/src/nbla/proto/nnabla.proto
    if [[ -n ${crlf} ]]; then
        unix2dos --quiet --newfile ./source/nnabla-proto.js ./source/nnabla-proto.js
    fi
}

metadata() {
    echo "nnabla metadata"
    venv
    ${python} -m pip --quiet install pyyaml mako
    if [[ $(grep -U $'\x0D' ./source/nnabla-metadata.json) ]]; then crlf=1; else crlf=; fi
    ${python} ./tools/nnabla_script.py metadata
    deactivate
    if [[ -n ${crlf} ]]; then
        unix2dos --quiet --newfile ./source/nnabla-metadata.json ./source/nnabla-metadata.json
    fi
}

while [ "$#" != 0 ]; do
    command="$1" && shift
    case "${command}" in
        "clean") clean;;
        "sync") sync;;
        "install") install;;
        "schema") schema;;
        "metadata") metadata;;
    esac
done