#!/usr/bin/python3

from renderlib import *
from easing import *

def introFrames(p):
	move=50

	# five initial frames
	for i in range(0, 5):
		yield (
			('text', 'style',    'opacity', "%.4f" % 0),
			('text', 'attr',     'transform', 'translate(%.4f, 0)' % -move),
		)

	# 3 Sekunde Text Fadein
	frames = 3*fps
	for i in range(0, frames):
		yield (
			('text', 'style',    'opacity', "%.4f" % easeLinear(i, 0, 1, frames)),
			('text', 'attr',     'transform', 'translate(%.4f, 0)' % easeOutQuad(i, move, -move, frames)),
		)

	# 2 Sekunden stehen lassen
	frames = 2*fps
	for i in range(0, frames):
		yield ()

	# 3 Sekunde Text Fadeout
	frames = 3*fps
	for i in range(0, frames):
		yield (
			('text', 'style',    'opacity', "%.4f" % easeLinear(i, 1, -1, frames)),
			('text', 'attr',     'transform', 'translate(%.4f, 0)' % easeInQuad(i, 0, -move, frames)),
		)

	# two final frames
	for i in range(0, 2):
		yield (
			('text', 'style',    'opacity', "%.4f" % 0),
			('text', 'attr',     'transform', 'translate(%.4f, 0)' % move),
		)

def outroFrames(p):
	# 3 Sekunden animation bleiben
	frames = 5*fps

	# five initial frames
	for i in range(0, 5):
		yield (
			('g1', 'style',    'opacity', "%.4f" % 0),
			('g2', 'style',    'opacity', "%.4f" % 0),
			('g3', 'style',    'opacity', "%.4f" % 0),
		)

	# 3 Sekunden
	frames = 6*fps
	for i in range(0, frames):
		yield (
			('g1', 'style',    'opacity', "%.4f" % easeDelay(easeLinear, 0*fps, i, 0, 1, 4*fps)),
			('g2', 'style',    'opacity', "%.4f" % easeDelay(easeLinear, 1*fps, i, 0, 1, 4*fps)),
			('g3', 'style',    'opacity', "%.4f" % easeDelay(easeLinear, 2*fps, i, 0, 1, 4*fps)),
		)

	# five final frames
	for i in range(0, 5):
		yield (
			('g1', 'style',    'opacity', "%.4f" % 1),
			('g2', 'style',    'opacity', "%.4f" % 1),
			('g3', 'style',    'opacity', "%.4f" % 1),
		)

def debug():
	render(
		'intro.svg',
		'../intro.ts',
		introFrames,
		{
			'$id': 65,
			'$title': 'Passwort, Karte oder Gesicht',
			'$subtitle': 'zur Sicherheit von Authentifizierungssystemen',
			'$personnames': 'starbug'
		}
	)

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

def tasks(queue, args):
	raise NotImplementedError('call with --debug to render your intro/outro')