import sys
import os
import re

sys.path.append(os.getcwd())
from display_utils import display_model

def create_dir_not_exist(path):
    if not os.path.exists(path):
        os.mkdir(path)
        
def save_pic(target, res, smpl_layer, file):
    pose_params, shape_params, verts, Jtr = res
    name=re.split('[/.]',file)[-2]
    gt_path="fit/output/HumanAct12/picture/gt/{}".format(name)
    fit_path="fit/output/HumanAct12/picture/fit/{}".format(name)
    create_dir_not_exist(gt_path)
    create_dir_not_exist(fit_path)
    for i in range(target.shape[0]):
        display_model(
            {'verts': verts.cpu().detach(),
             'joints': target.cpu().detach()},
            model_faces=smpl_layer.th_faces,
            with_joints=True,
            kintree_table=smpl_layer.kintree_table,
            savepath=os.path.join(gt_path+"/frame_{}".format(i)),
            batch_idx=i,
            show=False,
            only_joint=True)
        display_model(
            {'verts': verts.cpu().detach(),
             'joints': Jtr.cpu().detach()},
            model_faces=smpl_layer.th_faces,
            with_joints=True,
            kintree_table=smpl_layer.kintree_table,
            savepath=os.path.join(fit_path+"/frame_{}".format(i)),
            batch_idx=i,
            show=False)