#!/bin/bash
FILE_PATH=/data/stupid-natalieee.net-uptime-tracker

function other_websites_reacheable() {
    # ensure it is not reacheable because natalie issue, not network issue
    for site in {'google.com','duckduckgo.com','mozilla.org'}; do 
        ping -W1 -c1 "${site}" > /dev/null 2>&1 || return 1;
    done
}

function set_state() {
    sed -i "s/${1}/${2}/" $FILE_PATH
}

function update_count() {
    set_state "$(grep "${1} count: " "${FILE_PATH}")" "${1} count: $(($(grep "${1} count: " "${FILE_PATH}" | cut -d: -f2) + 1))"
}

ping -W1 -c1 natalieee.net > /dev/null 2>&1 && {
    # natalieee.net reacheable
    set_state "$(grep 'last update:' "${FILE_PATH}")" "last update: up"
    update_count 'up'
} || {
    # natalieee.net unreacheable or ping error
    other_websites_reacheable && {
        update_count 'down'
        date +"natalieee.net unreacheable %s" >> "${FILE_PATH}"
        set_state "$(grep 'last update:' "${FILE_PATH}")" 'last update: down (ping failed to only natalieee.net)'
    } || {
        update_count 'unknown'
        date +"natalieee.net and other domains unreacheable %s" >> "${FILE_PATH}"
        set_state "$(grep 'last update:' "${FILE_PATH}")" 'last update: down (ping failed to natalieee.net and some other domain(s))'
    }
}