#!/bin/bash

BUILDDIR="build"
CSS=('static/css/lib/normalize.css' 'static/css/style.css')

function clean {
    rm -r "$BUILDDIR"/*
}

function copytobuild {
    cp -R src/* "$BUILDDIR"
}

function buildcss {
    cd $BUILDDIR

    CSSTEMP="$(mktemp)"
    cat "${CSS[@]}" | npx postcss --no-map --use autoprefixer postcss-csso -o "$CSSTEMP"

    CSSMD5="$(md5sum $CSSTEMP | cut -c1-8)"

    rm -r static/css/*

    mv "$CSSTEMP" "static/css/style.css"
    sed -i "s:{{style.css}}:/static/css/style.css?$CSSMD5:" "index.html"

    cd ..
}

function buildjs {
    cd $BUILDDIR

    JSMD5="$(md5sum static/js/common.js | cut -c1-8)"
    sed -i "s:{{common.js}}:/static/js/common.js?$JSMD5:" "index.html"

    cd ..
}

function build {
    copytobuild
    buildcss
    buildjs
}

function serve {
    cd build
    python3 -m http.server $1
}

"$@"