#!/usr/bin/env bash

. ~/bin/i3blocks/_utils

# Check if updated Arch packages can be installed
pkgupdate() {
    local pkgcount=$(checkupdates | wc -l)
    local seconds_since_last_patched=$(echo "$(date +%s) - $(stat -c %Y /var/log/pacman.log)" | bc -l)
    local hours_since_last_patched=$(echo "scale=0; $seconds_since_last_patched / 60 / 60" | bc -l)
    local hours_to_consider_stale=168
    # Few updates
    if [[ $pkgcount -ge 1 && $pkgcount -lt 35 ]]; then
        if [[ $hours_since_last_patched -gt $hours_to_consider_stale ]]; then
            local bg=$warn1_bg
            local fg=$warn1_fg
        else
            local bg=$info_bg
            local fg=$info_fg
        fi
    # Many updates
    elif [[ $pkgcount -ge 35 ]]; then
        if [[ $hours_since_last_patched -gt $hours_to_consider_stale ]]; then
            local bg=$crit_bg
            local fg=$crit_fg
        else
            local bg=$warn2_bg
            local fg=$warn2_fg
        fi
    fi
    if ((hours_since_last_patched >= 24)); then
        local time_str="$(awk "BEGIN {printf \"%.1f\", int($hours_since_last_patched / 24 * 2 + 0.5) / 2}")d"
    else
        local time_str="${hours_since_last_patched}h"
    fi
    local stat="$pkgcount pkg updates (last update: ${time_str} ago)"

    if [[ -n "$bg" ]]; then
        echo -e "<span background=\"$bg\" color=\"$fg\">$stat</span>\n"
    fi
}

pkgupdate