#!/bin/sh


set -euf


# absolute paths
script="$(realpath $0)"
tools="$(dirname "${script}")"
src="$(dirname "${tools}")"
doc="${src}/doc"

documents='
ft232r.pdf	https://www.ftdichip.com/old2020/Support/Documents/DataSheets/ICs/DS_FT232R.pdf	9dc583a87fdd8cc20f538197bb4cf807
'


mkdir -pv "$doc"

echo "$documents" | while read line
do
	if [ "$line" == '' ]
	then
		continue
	fi

	name="$(echo "$line" | cut -d$'\t' -f1)"
	url="$(echo "$line" | cut -d$'\t' -f2)"
	checksum="$(echo "$line" | cut -d$'\t' -f3)"
	path="${doc}/${name}"

	if [ ! -f "$path" ]
	then
		curl "$url" > "$path"
	fi

	if [ "${checksum}  ${path}" == "$(md5sum "$path")" ]
	then
		echo "OK     ${name}"
	else
		echo "NOT OK ${name}"
	fi
done