#!/usr/bin/python3

import svg.path, random
from lxml import etree
from renderlib import *

# URL to Schedule-XML
scheduleUrl = 'http://fahrplan.mrmcd.net/schedule.xml'

def introFrames(parameters):
	title = parameters['$title']
	rnd = random.Random()
	rnd.seed(title)
	frames = 0

	yield (
		('namesbar', 'style', 'opacity', 0),
		('title', 'text', None, ''),
	)

	for char in range(0, len(title) + 1):
		for holdframe in range(0, rnd.randint(2, 10)):
			frames += 1
			yield (
				('title', 'text', None, title[:char]),
			)

	frames = 4*fps
	for i in range(0, frames):
		yield (
			('namesbar', 'style', 'opacity', 1),
		)

def outroFrames(parameters):

	frames = int(0.5*fps)
	for i in range(0, frames):
		yield (
			('license', 'style', 'opacity', 0),
			('bar1', 'style', 'opacity', 0),
			('bar2', 'style', 'opacity', 0),
			('bar3', 'style', 'opacity', 0),
		)

	frames = int(0.5*fps)+1
	for i in range(0, frames):
		yield (
			('license', 'style', 'opacity', 1),
			('bar1', 'style', 'opacity', 0),
			('bar2', 'style', 'opacity', 0),
			('bar3', 'style', 'opacity', 0),
		)

	frames = int(0.5*fps)
	for i in range(0, frames):
		yield (
			('license', 'style', 'opacity', 1),
			('bar1', 'style', 'opacity', 1),
			('bar2', 'style', 'opacity', 0),
			('bar3', 'style', 'opacity', 0),
		)

	frames = int(0.5*fps)+1
	for i in range(0, frames):
		yield (
			('license', 'style', 'opacity', 1),
			('bar1', 'style', 'opacity', 1),
			('bar2', 'style', 'opacity', 1),
			('bar3', 'style', 'opacity', 0),
		)

	frames = int(3.5*fps)
	for i in range(0, frames):
		yield (
			('license', 'style', 'opacity', 1),
			('bar1', 'style', 'opacity', 1),
			('bar2', 'style', 'opacity', 1),
			('bar3', 'style', 'opacity', 1),
		)

def debug():
	# render('intro.svg',
	# 	'../intro.dv',
	# 	introFrames,
	# 	{
	# 		'$id': 5985,
	# 		'$title': 'Dem Stromnetz auf die Finger geguckt',
	# 		'$subtitle': 'Netzfrequenz messen for fun and profit',
	# 		'$personnames': 'gonium'
	# 	}
	# )

	render('outro.svg',
		'../outro.dv',
		outroFrames
	)

def tasks(queue):
	# iterate over all events extracted from the schedule xml-export
	for event in events(scheduleUrl):

		# generate a task description and put them into the queue
		queue.put(Rendertask(
			infile = 'intro.svg',
			outfile = str(event['id'])+".dv",
			sequence = introFrames,
			parameters = {
				'$id': event['id'],
				'$title': event['title'],
				'$subtitle': event['subtitle'],
				'$personnames': event['personnames']
			}
		))