#!/bin/bash

#+--------------------------------------------------------------------------------------------
#|Description:  This shell script used download and compile cJSON for RaspberryPi
#|     Author:  GuoWenxue <guowenxue@gmail.com>
#|  ChangeLog:
#|           1, Initialize 1.0.0 on 2022.04.10
#+--------------------------------------------------------------------------------------------

JOBS=`cat /proc/cpuinfo |grep "processor"|wc -l`

PRJ_PATH=`pwd`
LIBS_PATH=$PRJ_PATH/../install

LYFTP_SRC=ftp://master.iot-yun.club/src/
CROSSTOOL=arm-linux-gnueabihf-

# display in red
function pr_error() {
    echo -e "\033[40;31m --E-- $1 \033[0m"
}

# display in yellow
function pr_warn() {
    echo -e "\033[40;33m --W-- $1 \033[0m"
}

# display in green
function pr_info() {
    echo -e "\033[40;32m --I-- $1 \033[0m"
}


function msg_banner()
{
    echo ""
    echo "+-----------------------------------------------------------------------"
    echo -e "|\033[40;33m  $1 \033[0m"
    echo "+-----------------------------------------------------------------------"
    echo ""
}

function check_result()
{
    if [ $? != 0 ] ; then
        pr_error $1
    fi  
}


function compile_cjson()
{
    SRC_NAME=cJSON-1.7.15
    PACK_SUFIX=tar.gz

    if [ -f ${LIBS_PATH}/lib/libcjson.so ] ; then
        msg_banner "$SRC_NAME already compile and installed"
        return 0;
    fi

    msg_banner "Start compile $SRC_NAME "

    if [ ! -f ${SRC_NAME}.${PACK_SUFIX} ] ; then
        #wget https://mosquitto.org/files/source//${SRC_NAME}.${PACK_SUFIX}
        wget ${LYFTP_SRC}/${SRC_NAME}.${PACK_SUFIX}

        check_result "ERROR: download ${SRC_NAME} failure"
    fi

    tar -xzf ${SRC_NAME}.${PACK_SUFIX}
    check_result "ERROR: decompress ${SRC_NAME} failure"

    cd ${SRC_NAME}

	sed -i "s|^CC =.*|CC = ${CROSSTOOL}gcc -std=c89|" Makefile

	make && make PREFIX=${LIBS_PATH} install
}


compile_cjson