#!/bin/sh -e

download="$( cat "$__object/parameter/download" )"

state_is="$( cat "$__object/explorer/state" )"

if [ "$download" != 'local' ] || [ "$state_is" = 'present' ]
then
    exit 0
fi

url="$( cat "$__object/parameter/url" )"

tmp="$( mktemp )"

dst="/$__object_id"

if [ -f "$__object/parameter/cmd-get" ]
then
    cmd="$( cat "$__object/parameter/cmd-get" )"

elif command -v wget > /dev/null
then
    cmd="wget -O - '%s'"

elif command -v curl > /dev/null
then
    cmd="curl -o - '%s'"

elif command -v fetch > /dev/null
then
    cmd="fetch -o - '%s'"

else
    echo 'no usable locally installed utility for downloading' >&2
    exit 1
fi

printf "$cmd > %s\n" \
    "$url" \
    "$tmp"

if echo "$__target_host" | grep -Eq '^[0-9a-fA-F:]+$'
then
    target_host="[$__target_host]"
else
    target_host="$__target_host"
fi

printf '%s %s %s:%s\n' \
    "$__remote_copy" \
    "$tmp" \
    "$target_host" \
    "$dst"

echo "rm -f '$tmp'"

echo 'downloaded' > "$__messages_out"