#!/bin/bash

# This script will generate a completely static website by downloading pages generated by PHP
# Working directory expected: root of the project

export PORT=8452
export SERVER_URL=127.0.0.1:$PORT

echo "Trying to start a PHP server on $SERVER_URL"
sh build_tools/server.sh start

sleep 0.1 
[ ! -d ./build ] && mkdir ./build

locales=('fr' 'en')
for locale in "${locales[@]}"; do
    echo "==== Start of build for locale '$locale'"
    p=./build/$locale

    mkdir -p $p

    # wget with custom header to not render link to change language because wget will follow them 
    cd $p
    wget -k -K -E -r -l 10 -p -N -F -nH --header="Enable-Locale-Switch: no" http://127.0.0.1:$PORT/$locale
    cd ../../

    resumePath=cv-matthieu-bessat-$locale
    
    # render latex resume
    # look for cache in .latex-cache
    if [ -d ./.latex_cache ] && [ -e ./.latex_cache/resume_$locale.pdf ] 
    then
        echo "using latex cache"
        cp .latex-cache/resume_$locale.pdf $p/$resumePath.pdf
    else
        echo "failed to find cache"
        compile_latex $locale $resumePath
        export TARGET_LOCALE=$locale
        sh build_tools/latex.sh 
        mv build/latex/resume_$locale.pdf $p/$resumePath.pdf
    fi

    mv $p/$locale.html $p/index.html
    
    # render json resume
    wget -O $p/$resumePath.json http://127.0.0.1:$PORT/json-resume --header="Accept-Language: $locale"
    rm $p/json-resume

    # 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" $p/index.html 

    # add proper link for alternate files

    sed -E -i "s%data-target\=\"pdf-resume\" href\=\".+\"%href\=\"/$locale/$resumePath\.pdf\"%g" $p/index.html
    sed -E -i "s%data-target\=\"json-resume\" href\=\".+\"%href\=\"/$locale/$resumePath\.json\"%g" $p/index.html
    
    # for each file other than index.html, put a proper link back to the main page 
    find $p -not -name "index.html" -name "*.html" -exec sed -E -i "s/\"(\.\.\/)?$locale\.html/\"\1index.html/g" {} \+ 
    
    # remove assets
    rm -rv $p/*.woff $p/dist $p/imgs

    echo "==== END of build for locale '$locale'"
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 ./build -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

find ./build -name '*.orig' -delete

# change the path of all assets
find ./build -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/* ./build
rm -r build/latex 
rm build/index.php

sh build_tools/server.sh stop

echo ""
echo "Done."