#!/bin/sh -e

if [ "${TARGET_RASPI}" = "1" ]; then
    BOOKSHELF_URL="https://magpi.raspberrypi.org/bookshelf.xml"
    GUIDE_URL="$(curl -s "$BOOKSHELF_URL" | awk -F '[<>]' "/<TITLE>Raspberry Pi Beginner's Guide 4th Edition<\/TITLE>/ {f=1; next} f==1 && /PDF/ {print \$3; exit}")"
    OUTPUT="$(basename "$GUIDE_URL" | cut -f1 -d'?')"

    if [ ! -f "files/$OUTPUT" ]; then
        rm files/*.pdf -f
        curl -s "$GUIDE_URL" -o "files/$OUTPUT"
    fi

    file "files/$OUTPUT" | grep -q "PDF document"

    install -v -o 1000 -g 1000 -d "${ROOTFS_DIR}/home/${FIRST_USER_NAME}/Bookshelf"
    install -v -o 1000 -g 1000 -m 644 "files/$OUTPUT" "${ROOTFS_DIR}/home/${FIRST_USER_NAME}/Bookshelf/"
fi