#!/bin/sh

VERSION="1"
RUNTIME_PACKAGES="python3 udev alsa-utils alsa-utils-doc alsa-lib alsaconf py3-rpigpio"
BUILD_PACKAGES="alsa-lib-dev gcc g++ python3-dev musl-dev"

# put back the resolv.conf to keep apk working
rm ${ROOTFS_PATH}/etc/resolv.conf # remove symlink
cp /etc/resolv.conf ${ROOTFS_PATH}/etc/resolv.conf

# install things
chroot_exec apk add $RUNTIME_PACKAGES $BUILD_PACKAGES


# setup udev
chroot_exec rc-update add udev sysinit
chroot_exec rc-update add udev-trigger default
chroot_exec rc-update add udev-settle default
# udev_postmount's purpose is to write stuff to / which is not possible now

# make audio work
echo "snd_bcm2835" >> ${ROOTFS_PATH}/etc/modules # Actually this is also loaded by udev, but it wouldn't hurt
echo "dtparam=audio=on" >> ${BOOTFS_PATH}/config.txt
echo "hdmi_drive=1" >> ${BOOTFS_PATH}/config.txt # disable HDMI audio
chroot_exec addgroup root audio
sed -i -e "s/^defaults.ctl.card [0-9]*$/defaults.ctl.card 0/" ${ROOTFS_PATH}/usr/share/alsa/alsa.conf
sed -i -e "s/^defaults.pcm.card [0-9]*$/defaults.pcm.card 0/" ${ROOTFS_PATH}/usr/share/alsa/alsa.conf
chroot_exec rc-update add alsa default
sed -i -e "s%alsastatedir=/var/lib/alsa%alsastatedir=/data/var/lib/alsa%" ${ROOTFS_PATH}/etc/init.d/alsa
mkdir -p ${DATAFS_PATH}/var/lib/alsa

# make serial work
sed -i -e 's%#ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100%ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100%' ${ROOTFS_PATH}/etc/inittab

# mark this version
echo "Version: ${VERSION}\nBuild: $(date)\nUpdate: " > ${ROOTFS_PATH}/version

# install things
mkdir -p ${ROOTFS_PATH}/opt/

for repo in iot-platform-raspberry iot-logic; do
	archive="${repo}.tar.gz"
	wget https://git.kmlabz.com/birbnetes/$repo/archive/master.tar.gz -O "${archive}"
	tar xvf "${archive}" -C ${ROOTFS_PATH}/opt/
done

chroot_exec pip3 install /opt/iot-platform-raspberry/
chroot_exec pip3 install -r /opt/iot-logic/requirements.txt

# clean build dependencies
chroot_exec apk del $BUILD_PACKAGES

# Put back resolv.conf where it was
rm ${ROOTFS_PATH}/etc/resolv.conf
ln -fs /data/etc/resolv.conf ${ROOTFS_PATH}/etc/resolv.conf