#!/bin/env python
# -*- coding: UTF-8 -*-

import os
import os.path
import sys
import cherrypy
from genshi.template import TemplateLoader

loader = TemplateLoader(
            os.path.join(os.path.dirname(__file__), 'templates'),
            auto_reload=True)

class Root(object):

    def __init__(self, data):
        self.data = data

    @cherrypy.expose
    def index(self):
        port = cherrypy.config['server.socket_port']
        return '''Server is running on port %s. <br/> 
            Try pointing a browser at 
            <a href="http://localhost:%s/www/index.html">http://localhost:%s/www/index.html</a>''' % (port, port, port)
    
    @cherrypy.expose
    def debug(self):
        port = cherrypy.config['server.socket_port']
        return '''Try right clicking on any element on the main canvas and choosing "Inspect Element".
            <br /><a href="http://localhost:%s/www/index.html">Return to main</a>''' % (port)
    
    @cherrypy.expose
    def candy(self):
        return '''Not yet implemented.
            <br /><a href="http://localhost:%s/www/index.html">Return to main</a>''' % (port)

    @cherrypy.expose
    def journal(self):
        port = cherrypy.config['server.socket_port']
        return '''Not yet implemented.
            <br /><a href="http://localhost:%s/www/index.html">Return to main</a>''' % (port)

    @cherrypy.expose
    def collaboration(self):
        port = cherrypy.config['server.socket_port']
        return '''Not yet implemented.
            <br /><a href="http://localhost:%s/www/index.html">Return to main</a>''' % (port)

    def list_files(self, directory):
        files=os.listdir(directory)
        print "showing %s" % directory
        return files 

    @cherrypy.expose
    def browse(self, directory="."):
        filelist = self.list_files(directory)
        files = []
        if not os.path.abspath(directory)==os.path.abspath("."):
            files.append( { 'name': '..',
                            'icon': 'folder.svg',
                            'href': 'browse?directory=%s' % os.path.join(directory,"..") })
        for filename in sorted(filelist):
            fullname = os.path.join(directory,filename)
            icon = 'document-generic.svg'
            href = 'edit?filename=%s&directory=%s' % (fullname,directory)
            if filename.endswith('.py'):
                icon = 'text-x-python.svg'
            if filename.endswith('.html'):
                icon = 'text-uri-list.svg'
            if filename.endswith('.css'):
                icon = 'text-uri-list.svg'
            if filename.endswith('.js'):
                icon = 'text-uri-list.svg'
            if os.path.isdir(fullname):
                icon = 'folder.svg'
                href = 'browse?directory=%s' % fullname
            if filename.endswith('.xo'):
                href = '#'
            if filename.startswith('.'):
                continue
            if filename.endswith('.pyc'):
                continue
            files.append( { 'name': filename,
                            'icon': icon,
                            'href': href } )
            
        tmpl = loader.load('filer.html')
        return tmpl.generate(files=files, absdir=os.path.normpath(directory)
                                ).render('html', doctype='html')
    @cherrypy.expose
    def vsplit(self, frame1="/browse", frame2="/browse"):
        tmpl = loader.load('split-view.html')
        return tmpl.generate(frame1=frame1, frame2=frame2
                                ).render('html', doctype='html')


    @cherrypy.expose
    def edit(self, directory=".", filename="activity.py"):
        icon = 'document-generic.svg'
        mode = ''
        if filename.endswith('.py'):
            icon = 'text-x-python.svg'
            mode = 'python'
        if filename.endswith('.html'):
            icon = 'text-uri-list.svg'
            mode = 'html'
        if filename.endswith('.css'):
            icon = 'text-uri-list.svg'
            mode = 'css'
        if filename.endswith('.js'):
            icon = 'text-uri-list.svg'
            mode = 'javascript'
        content = open(filename).read().decode('utf-8') 
        tmpl = loader.load('editor.html')
        return tmpl.generate(content=content, icon=icon,basename=os.path.basename(filename),
                filename=filename, directory=directory, absdir=os.path.normpath(directory),
                mode=mode).render('html', doctype='html', encoding='utf-8')

    @cherrypy.expose
    def save(self, filename, content, directory):
        f=open(filename,"wb")
        content = content.replace('\r\n', '\n').replace('\r', '\n') # HACK
        f.write(content)
        print "saving content: %s" % filename 
        f.close()
        href = "/browse?directory=%s" % directory
        cherrypy.tools.redirect.callable(url=href, internal=False) 
        return "content saved: %s" % content 
    
    @cherrypy.expose
    def delete(self, filename):
        os.unlink(filename)
        cherrypy.tools.redirect.callable(url='/browse', internal=True) 

def start(port=8080): 
    data = {} # We'll replace this later

    # Some global configuration; note that this could be moved into a
    # configuration file
    cherrypy.config.update({
        'server.socket_port': port,
        'tools.encode.on': True, 'tools.encode.encoding': 'utf-8',
        'tools.decode.on': True,
        'tools.trailing_slash.on': True,
        'tools.staticdir.root': os.path.abspath(os.path.dirname(__file__)),
    })

    cherrypy.quickstart(Root(data), '/', {
        '/www': {
        'tools.staticdir.on': True,
        'tools.staticdir.dir': 'www'
                                                }
    })

if __name__ == '__main__':
    start(int(sys.argv[1]))