#!/bin/bash
set -euo pipefail
set -x

send() {
    local _msg=$1
    if [[ -z $_msg ]]; then
        return
    fi

    curl -X POST \
        -H "Content-Type: application/json" \
        -d "{\"content\":\"\`\`\`diff\n$_msg\`\`\`\"}" \
        "$DISCORD_WEBHOOK"
}

msg=""

while IFS= read -r line; do
    line="$(sed 's@"@\\"@g' <<< "$line")"  # Json screening
    len="$(wc -m <<< "$msg$line")"
    if [[ $len -ge 1985 ]]; then
        send "$msg"
        msg="$line"
    else
        msg+="$line\\n"
    fi
done

send "$msg"