#! /usr/local/bin/zsh
#
# this file:
#   https://dataswamp.org/~incal/blog/meta/piles
#
# current output: [DNC]
#   https://dataswamp.org/~incal/blog/hits.txt

log=/var/www/logs/access-${USER}.log

data_files_path=${HOME}/public_html/blog
data_files_name=hits
data_files_type=txt
data=${data_files_path}/${data_files_name}.${data_files_type}
data_old=${data_files_path}/${data_files_name}-old.${data_files_type}

p=''
pages=(
    'blog/index.html'
    'box-10/marco-antonio-barrera.html'
    'box-10/top-10-modern-boxers.html'
    'climbing-gear/climbing-gear.html'
    'climbing-gear/harness.html'
    'tree-house/blodstensskogen-nature-reserve.html'
    'tree-house/summer-2021.html'
    'tree-house/tradkojan-i-blodstensskogen.html'
    'tree-house/tree-house-pulley.html'
    'tree-house/tree-house-rooftop.html'
    'tree-house/tree-house.html'
    'tree-house/winter-video.html'
    'ut/ut.png'
)

local -a name
local short_name

local hits
local hits_old
local diff
local diff_str=" "

local total=0
local total_old=0
local total_diff
local total_diff_str

# hit count to be done again,
# that means current data is now old data
if [[ -f $data ]]; then
    cp -f $data $data_old
fi

local pad_col=39
local pad_size

for p in $pages; do
    name=(${(s:/:)p})

    short_name=$name[2]

    hits=$(cut -d ' ' -f 2,8 $log | grep $p | sort | cut -d ' ' -f 1 | uniq -c | wc -l)

    total=$(( $total + $hits ))

    if [[ -f $data_old ]]; then
        hits_old=$(grep $short_name $data_old | tr -s ' ' | cut -d ' ' -f 2)
        total_old=$(( $total_old + $hits_old ))

        diff=$(( $hits - $hits_old ))
        if [[ $diff > 0 ]]; then
            diff_str="+$diff"
            pad_size=$(( $pad_col - ${#short_name} ))
            diff_str=${(l:$pad_size:: :)diff_str}
        else
            diff_str=""
        fi
     fi

     echo "$hits ${short_name}${diff_str}"
done > $data

sort -r $data | tee $data

total_diff=$(( $total - $total_old ))
if [[ $total_diff > 0 ]]; then
    total_diff_str="[+$total_diff]"
else
    total_diff_str="[±0]"
fi
echo "   -----\n    $total $total_diff_str" | tee -a $data