#!/bin/bash

# This script will generate a completely static website by downloading page generated by PHP

PORT=8452
echo "Trying to start a PHP server on port $PORT"
php -S 127.0.0.1:$PORT -t ./public &
phpPID=$!
echo "PHP server running with PID $phpPID"

sleep 0.3 
mkdir ./build
cd build

locales=('fr' 'en')
for locale in "${locales[@]}"; do
    echo "Downloading $locale..."
    mkdir $locale
    cd $locale

    # wget with custom header to not render link to change language because wget will follow them 
    wget -k -K -E -r -l 10 -p -N -F -nH http://127.0.0.1:$PORT/$locale --header="Enable-Locale-Switch: no"
    
    mv $locale.html index.html
    
    # Multiple sed commands to clean up the mess made by wget replacing stuff
    # sed -E -i 's/\"([a-z]{2})\.html/\"\/\1/g' *.html

    # for the main page, remove broken link to the same page (because we renamed to index.html)
    sed -E -i "s/\"$locale\.html/\"/g" index.html 
    
    # for each file other than index.html, put a proper link back to the main page 
    find ./ -not -name "index.html" -name "*.html" -exec sed -E -i "s/\"(\.\.\/)?$locale\.html/\"\1index.html/g" {} \+ 
    

    cd ..
done

# repair the links of the footer locale switcher
# for each line with data-lang-switch="{locale}" replace the href with the link to /{locale}/path...
# attempt to do with pipe failed, so I use a non optimal for loop
# find ./ -name "*.html" -exec sh -c 'sed -E -i "s/data-lang-switch=\"([a-z]{2})\".+href\=\".*\"/href\=\"\/\1\/{}\"/g" {}' \;
for path in $(find ./ -name "*.html"); do
    pathM=`echo $path | cut -c 6-`
    sed -E -i "s%data-lang-switch=\"([a-z]{2})\".+href\=\".*\"%href\=\"/\1/$pathM\"%g" $path
done

# remove assets
rm -r *.woff dist imgs
find ./ -name '*.orig' -delete

# change the path of all assets
find ./ -name "*.html" -exec sed -E -i "s%\"\.\./dist/%\"/dist/%g; s%\"dist/%\"/dist/%g; s%\"\.\./imgs/%\"/imgs/%g; s%\"imgs/%\"/imgs/%g" {} \+ 


cp -r ../public/* ./
rm index.php

kill $phpPID

echo "Done."