#!/usr/bin/env python
from __future__ import print_function
import os
import sys
import time
import codecs


# make sure it's running the mincss here and not anything installed
sys.path.insert(0, os.path.dirname(__file__))
from mincss.processor import Processor


def run(args):
    options = {'debug': args.verbose}
    if args.phantomjs_path:
        options['phantomjs'] = args.phantomjs_path
    elif args.phantomjs:
        options['phantomjs'] = True
    p = Processor(**options)
    t0 = time.time()
    p.process(args.url)
    t1 = time.time()
    print("TOTAL TIME ", t1 - t0)
    for inline in p.inlines:
        print("ON", inline.url)
        print("AT line", inline.line)
        print("BEFORE ".ljust(79, '-'))
        print(inline.before)
        print("AFTER ".ljust(79, '-'))
        print(inline.after)
        print()

    output_dir = args.outputdir
    if not os.path.isdir(output_dir):
        os.mkdir(output_dir)
    for link in p.links:
        print("FOR", link.href)
        #print("BEFORE ".ljust(79, '-'))
        #print(link.before)
        #print("AFTER ".ljust(79, '-'))
        #print(link.after)
        orig_name = link.href.split('/')[-1]
        fn = os.path.join(output_dir, orig_name)
        with codecs.open(fn, 'w', 'utf-8') as f:
            f.write(link.after)
        before_name = 'before_' + link.href.split('/')[-1]
        fn = os.path.join(output_dir, before_name)
        with codecs.open(fn, 'w', 'utf-8') as f:
            f.write(link.before)
        print("Files written to", output_dir)
        print()
        print(
            '(from %d to %d saves %d)' %
            (len(link.before), len(link.after),
             len(link.before) - len(link.after))
        )

    return 0


if __name__ == '__main__':
    import argparse
    parser = argparse.ArgumentParser()
    add = parser.add_argument
    add("url", type=str,
        help="URL to process")
    add("--outputdir", action="store",
        default="./output",
        help="directory where to put output (default ./output)")
    add("-v", "--verbose", action="store_true",
        help="increase output verbosity")
    add("--phantomjs", action="store_true",
        help="Use PhantomJS to download the source")
    add("--phantomjs-path", action="store",
        default="",
        help="Where is the phantomjs executable")

    args = parser.parse_args()
    sys.exit(run(args))