#!/usr/bin/env bash
#
# Download and prepare the 3rd-party libraries
#
# Author: donkey <anjingyu_ws@foxmail.com>

readonly CUR_DIR=$(cd `dirname $0`; pwd)
readonly PROJ_DIR=`dirname $CUR_DIR`

function fetch_imgui()
{
    local _REPO="https://github.com/ocornut/imgui"
    local _TAG=$(git ls-remote --refs -t --sort=-v:refname $_REPO | grep "/v[0-9]\+\.[0-9]\+\.[0-9]\+-docking$" | head -n 1 | cut -f 2 | cut -d "/" -f 3)

    git clone --branch ${_TAG} --depth 1 $_REPO $PROJ_DIR/3rd-party/imgui
}

function fetch_node_editor()
{
    local _REPO="https://github.com/thedmd/imgui-node-editor"
    local _TAG=$(git ls-remote --refs -t --sort=-v:refname $_REPO | grep "/v[0-9]\+\.[0-9]\+\.[0-9]\+$" | head -n 1 | cut -f 2 | cut -d "/" -f 3)

    git clone --branch ${_TAG} --depth 1 $_REPO $PROJ_DIR/3rd-party/imgui-node-editor
}

function main()
{
    if [ ! -d "$PROJ_DIR/3rd-party" ]; then
        mkdir -p "${PROJ_DIR}/3rd-party"
    fi

    fetch_imgui
    fetch_node_editor
}

main "$@"