set-echo

#!/bin/bash

set -eu
set -o pipefail

function debug()
{
    if [ "$DEBUG" -ne 0 ]
    then
        echo "$@" >&2
    fi
}

if [ "$#" -eq 1 ]
then
    H="$1"
    T=""
elif [ "$#" -eq 2 ]
then
    H="$1"
    T="$2"
else
    echo "$0 <IP address> [token]" >&2
    echo
    exit 1
fi

if [[ ! -v XLED_DEBUG ]]
then
    if [ -t 1 ]
    then
        XLED_DEBUG_INTERNAL=1
    else
        XLED_DEBUG_INTERNAL=0
    fi
else
    XLED_DEBUG_INTERNAL="$XLED_DEBUG"
    unset XLED_DEBUG
fi

IFS= read -r -d '' content || true

escaped_content=$(echo "$content" | awk '{printf "%s\\n", $0}')

if [ -z "$T" ]
then
    T=$(./auth "$H")
fi

E="echo"
if [ "$XLED_DEBUG_INTERNAL" -ne 0 ]
then
    echo "POST $E" >&2
fi

read -r -d '' data <<EOF || true
{
  "message": "$escaped_content"
}
EOF
if [ "$XLED_DEBUG_INTERNAL" -ne 0 ]
then
    echo "payload:" >&2
    echo "$data" | jq
    echo "response:" >&2
    echo "$data" | XLED_DEBUG=0 ./post-json "$H" "$T" "$E" | jq
else
    echo "$data" | XLED_DEBUG=0 ./post-json "$H" "$T" "$E"
fi