import os
import scipy.misc
import numpy as np

from utils import pp, visualize, to_json

import tensorflow as tf

flags = tf.app.flags
flags.DEFINE_integer("epoch", 25, "Epoch to train [25]")
flags.DEFINE_float("learning_rate", 0.0002, "Learning rate of for adam [0.0002]")
flags.DEFINE_float("beta1", 0.5, "Momentum term of adam [0.5]")
flags.DEFINE_integer("train_size", np.inf, "The size of train images [np.inf]")
flags.DEFINE_integer("batch_size", 128, "The size of batch images [64]")
flags.DEFINE_integer("output_size", 64, "The size of the output images to produce [64]")
flags.DEFINE_integer("c_dim", 3, "Dimension of image color. [3]")
flags.DEFINE_string("dataset", "mnist", "The name of dataset [celebA, mnist, lsun]")
flags.DEFINE_string("checkpoint_dir", "checkpoint", "Directory name to save the checkpoints [checkpoint]")
flags.DEFINE_string("sample_dir", "samples", "Directory name to save the image samples [samples]")
flags.DEFINE_boolean("is_train", True, "True for training, False for testing [False]")
flags.DEFINE_boolean("is_crop", False, "True for training, False for testing [False]")
flags.DEFINE_boolean("visualize", False, "True for visualizing, False for nothing [False]")
FLAGS = flags.FLAGS

def main(_):
    pp.pprint(flags.FLAGS.__flags)

    if not os.path.exists(FLAGS.checkpoint_dir):
        os.makedirs(FLAGS.checkpoint_dir)
    if not os.path.exists(FLAGS.sample_dir):
        os.makedirs(FLAGS.sample_dir)

    config = tf.ConfigProto()
    config.gpu_options.per_process_gpu_memory_fraction = 1/10
    config.gpu_options.allow_growth = True

    with tf.Session(config=config) as sess:
        if FLAGS.dataset == 'mnist':
	    from model import CoGAN
            dcgan = CoGAN(sess, image_size=28, batch_size=FLAGS.batch_size, y_dim=10, output_size=28, c_dim=1,
                    dataset_name=FLAGS.dataset, is_crop=FLAGS.is_crop, checkpoint_dir=FLAGS.checkpoint_dir)

        if FLAGS.is_train:
            dcgan.train(FLAGS)
        else:
            dcgan.load(FLAGS.checkpoint_dir)
	    dcgan.evaluate()


if __name__ == '__main__':
    tf.app.run()
