#!/bin/bash

OUTPUT_DIR='./prerender'
SCRIPT='/tmp/phantomjs_render.coffee'
SITEMAP_FILE='./src/pages/sitemap.txt'

cat > $SCRIPT <<END
url      = require('system').args[1]
page     = require('webpage').create()
path     = "#{url}".replace(/http:\/\/[^/]*/, '').replace(/^\//, '').replace(/\/$/, '')
localUrl = "http://localhost:8000/#{path}"

page.open localUrl, (status)->
    if status isnt 'success'
        console.error "Could not load #{url}"
        phantom.exit(1)

    setTimeout (->
        console.log page.content
        phantom.exit(0)
    ), 5000
END

./scripts/sitemap > $SITEMAP_FILE

cat $SITEMAP_FILE | while read URL; do
    OUTPUT_FILE=$(sed 's/http:\/\/[^/]*\///' <<< $URL)
    OUTPUT_FILE="$OUTPUT_DIR/$OUTPUT_FILE/index.html"
    OUTPUT_FILE=$(sed 's/\/\//\//' <<< $OUTPUT_FILE)

    if [[ ! -e "$OUTPUT_FILE" ]]; then
        mkdir -p $(dirname "$OUTPUT_FILE")
        echo "prerendering $URL into $OUTPUT_FILE"
        phantomjs --web-security=false --load-images=false $SCRIPT "$URL" >"$OUTPUT_FILE" 2>/dev/null
    else
        echo "Skipping $URL..."
    fi
done

rm $SCRIPT