#!/bin/sh
# Toots a sudo insult
# Author: tastytea <tastytea@tastytea.de>
# Version: 2018-06-15_2
# Licence: CC-0 / Public Domain

download()
{
    local files="https://www.sudo.ws/repos/sudo/raw-file/tip/plugins/sudoers/ins_{2001,classic,csops,goons,python}.h"
    curl -s ${files} | grep -Eho '^ +".*"' | sed -r 's/^ +"(.*)"/\1/' > "${1}"
}

send()
{
    local instance="${1}"
    local token="${2}"
    local db="${3}"
    local lines=$(wc -l ${db} | cut -d' ' -f1)
    local random=$(( ( RANDOM % ${lines} )  + 1 ))
    local text="$(sed ${random}\!d ${db})"

    curl -sS --header "Authorization: Bearer ${token}" -X POST \
        --data "spoiler_text=insult&status=${text}"$'\n\n#bot' https://${instance}/api/v1/statuses
}

main()
{
    local cfg=~/.config/sudobot.cfg
    local dir_db=~/.local/share/sudobot
    local token=""
    local instance=""

    if [[ -f "${cfg}" ]]; then
        exec 3<&0
        exec 0< "${cfg}"
        read token
        token=$(echo $token | sed 's/^.*=//')
        read instance
        instance=$(echo $instance | sed 's/^.*=//')
        exec 0<&3
    else
        echo "ERROR: no config file found in ${cfg}" >&2
        echo "Create it with the contents: token=<your token>" >&2
        echo "                             instance=<your instance>" >&2
        exit 1
    fi

    if [[ ! -d "${dir_db}" ]]; then
        mkdir -p "${dir_db}"
    fi
    if [[ ! -f "${dir_db}/insults.db" ]]; then
        download "${dir_db}/insults.db"
    fi

    send "${instance}" "${token}" "${dir_db}/insults.db"
}

main