#!/bin/bash
if [ "$1" == "ver"  ] || [ "$1" == "-ver" ]; then
   echo '{"version":"03112022","compatible":"v5"}'
fi 

if [ "$1" == "info"  ] || [ "$1" == "-info" ]; then
    cid=$(sed -n '1p' /sys/block/mmcblk0/device/cid)
    csd=$(sed -n '1p' /sys/block/mmcblk0/device/csd)
    serial=$(sed -n '1p' /sys/block/mmcblk0/device/serial)
    manfid=$(sed -n '1p' /sys/block/mmcblk0/device/manfid)
    size1=$(df -h /dev/mmcblk0p1 | grep mmcblk |awk '{printf $2}')
    size2=$(df -h /dev/mmcblk0p2 | grep mmcblk |awk '{printf $2}')
    echo '{"cid":"'$cid'","csd":"'$csd'","serial":"'$serial'","manufacturer":"'$manfid'","size":["'$size1'","'$size2'"]}'
fi

if [ "$1" == "do"  ] || [ "$1" == "-do" ]; then
    umount -f /dev/mmcblk0p1
    umount -f /dev/mmcblk0p2
    sleep 1
    echo "delete MBR"
    dd if=/dev/zero of=/dev/mmcblk0 bs=512 count=1
    sleep 1
    echo "create partitions"
    printf "n\np\n1\n\n2000000\n\nn\np\n2\n2000001\n\nw\n" | fdisk /dev/mmcblk0
    sleep 1
    echo "create EXT4 SD"
    umount -f /dev/mmcblk0p1
    mkfs.ext4 -F -L sd /dev/mmcblk0p1
    sleep 1
    echo "create EXT4 LOG"
    umount -f /dev/mmcblk0p2
    mkfs.ext4 -F -L log /dev/mmcblk0p2
    mount /dev/mmcblk0p1 /mnt/mmc
fi