import numpy as np
from PIL import Image, ImageDraw
from svgpathtools import svg2paths
import cv2
import argparse
import json
import os

# 使用示例

parser = argparse.ArgumentParser()

parser.add_argument('--dataset', type=str, default='00000')
parser.add_argument('--grids', type=int, nargs='+', default=[3,6])
parser.add_argument('--pieces', type=int, nargs='+', default=[8,9,14,15], help='1-based')

args = parser.parse_args()

svg_file = f'src/{args.dataset}.svg'
image_file = f'src/{args.dataset}.png'

ori_img = cv2.imread(image_file)
ori_img = cv2.resize(ori_img, (600, 400))
# ratio = 600 / max(ori_img.shape[0], ori_img.shape[1])
# ori_img = cv2.resize(ori_img, (int(ori_img.shape[1] * ratio), int(ori_img.shape[0] * ratio))) #

vis = np.zeros_like(ori_img[:,:,0], dtype=np.uint8)

def get_boundary(svg_file):
    # 读取 SVG 文件并解析路径
    paths, attributes = svg2paths(svg_file)

    for path in paths:
        points = []
        for segment in path:
            # print(segment)
            sample_num = max(ori_img.shape) * 2
            for i in range(sample_num):  # 采样点
                point = segment.point(i / sample_num)
                points.append((point.real, point.imag))

                vis[min(round(point.imag), ori_img.shape[0] - 1), min(round(point.real), ori_img.shape[1] - 1)] = 255 #

    # cv2.imwrite('mask.png', vis.astype(np.uint8))


get_boundary(svg_file)

# ... seg img
img = cv2.cvtColor(ori_img, cv2.COLOR_RGB2RGBA)
alpha_channel = np.full((img.shape[0], img.shape[1]), 255, dtype=np.uint8)
img = np.dstack((img[:, :, :3], alpha_channel))

height = ori_img.shape[0]
width = ori_img.shape[1]
h_size = height // args.grids[0]
w_size = width // args.grids[1]

correct = []
tot_mask = np.zeros_like(vis)

os.makedirs(f'{args.dataset}', exist_ok=True)

for y in range(args.grids[0]):
    for x in range(args.grids[1]):
        id = y * args.grids[1] + x + 1

        if id in args.pieces:

            new_mask = np.zeros((vis.shape[0]+2, vis.shape[1]+2), dtype=np.uint8)
            seed_point = (w_size * x + w_size // 2, h_size * y + h_size // 2)
            cv2.floodFill(vis, new_mask, seed_point, id, loDiff=(0,)*vis.ndim, upDiff=(0,)*vis.ndim, flags=4)
        
            img_mask = np.where(vis == id, 1, 0).astype(np.uint8)
            kernel = np.ones((3,3), dtype=np.uint8)
            img_mask = cv2.dilate(img_mask, kernel, iterations=1)
            rows, cols = np.where(img_mask == 1)

            piece = {}
            piece['id'] = args.pieces.index(id) + 1
            piece['image'] = f'{args.pieces.index(id) + 1}.png'
            piece['gt_x'] = int((cols.min() + cols.max()) // 2)
            piece['gt_y'] = int((rows.min() + rows.max()) // 2)

            correct.append(piece)
            piece_img = img.copy()
            piece_img[:,:, 3] = np.where(img_mask == 0, 0, piece_img[:,:, 3])
            piece_img = piece_img[rows.min():rows.max()+1,cols.min():cols.max()+1,:]
            cv2.imwrite(f'{args.dataset}/{piece["id"]}.png', piece_img)

            tot_mask |= img_mask

img[:,:, 0] = np.where(tot_mask, 0, img[:,:, 0])
img[:,:, 1] = np.where(tot_mask, 0, img[:,:, 1])
img[:,:, 2] = np.where(tot_mask, 0, img[:,:, 2])
img[:,:, 3] = np.where(tot_mask, 0, img[:,:, 3])

# cv2.imwrite('mask.png', vis)
cv2.imwrite(f'{args.dataset}/0.png', img)
with open(f'{args.dataset}/correct.json', 'w') as file:
    json.dump(correct, file, indent=4)

'''
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00001 --grids 3 6 --pieces 8 9 14 15
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00002 --grids 3 6 --pieces 7 8 13 14
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00002 --grids 3 6 --pieces 7 8 9 10
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00002 --grids 3 6 --pieces 7 8 13 14
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00003 --grids 3 6 --pieces 7 8 13 14
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00003 --grids 3 6 --pieces 7 8 9 10
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00004 --grids 3 5 --pieces 8 9 13 14
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00005 --grids 3 5 --pieces 1 2 3 8
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00006 --grids 3 5 --pieces 2 4 5 9
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00007 --grids 3 5 --pieces 3 4 8 9 
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00008 --grids 4 5 --pieces 5 10 11 17 
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00008 --grids 4 6 --pieces 5 10 11 17 
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00008 --grids 4 6 --pieces 5 10 11 16
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00008 --grids 4 6 --pieces 5 9 10 11
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00009 --grids 4 6 --pieces 10 16 22 23
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00010 --grids 4 6 --pieces 6 12 16 22
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00011 --grids 4 6 --pieces 14 19 20 22
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00012 --grids 3 4 --pieces 1 5 9 12
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00013 --grids 3 4 --pieces 3 4 7 8
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00013 --grids 3 4 --pieces 3 4 8 12
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00014 --grids 3 4 --pieces 7 8 11 12
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00015 --grids 3 4 --pieces 1 5 6 9
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00015 --grids 3 3 --pieces 1 2 3 4
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00015 --grids 3 4 --pieces 1 5 6 9
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00016 --grids 3 4 --pieces 1 5 6 9
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00016 --grids 3 4 --pieces 1 5 6 12
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00016 --grids 3 4 --pieces 1 5 9 12
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00016 --grids 3 3 --pieces 1 2 4 7
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00016 --grids 3 4 --pieces 1 5 9 12
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00017 --grids 3 3 --pieces 1 2 4 7
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00018 --grids 3 3 --pieces 3 5 6 9
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00018 --grids 3 3 --pieces 3 5 6 9
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00019 --grids 3 3 --pieces 3 5 6 9
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00019 --grids 3 6 --pieces 8 9 15 16
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00019 --grids 3 6 --pieces 8 9 15 16


(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00011 --grids 5 6 --pieces 7 8 13 14 19 20
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00011 --grids 4 6 --pieces 1 2 7 8 13 14
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00011 --grids 4 7 --pieces 1 2 7 8 13 14
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00011 --grids 4 7 --pieces 1 2 8 9 15 16
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00011 --grids 4 7 --pieces 10 11 12 17 18 19
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00011 --grids 4 7 --pieces 1 2 8 9 15 16
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00012 --grids 4 7 --pieces 1 2 8 9 15 16
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00012 --grids 4 7 --pieces 10 11 12 17 18 19
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00013 --grids 4 7 --pieces 13 14 20 21 27 28
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00013 --grids 5 7 --pieces 17 18 19 20 26 27
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00013 --grids 4 7 --pieces 13 14 20 21 27 28
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00014 --grids 5 7 --pieces 13 14 20 21 27 28
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00014 --grids 5 7 --pieces 17 18 19 20 26 27
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00014 --grids 5 7 --pieces 17 18 19 20 25 26
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00015 --grids 5 7 --pieces 15 16 17 22 23 24
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00015 --grids 5 7 --pieces 17 18 19 25 26 27
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00016 --grids 5 7 --pieces 17 18 19 24 25 26
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00016 --grids 5 7 --pieces 10 11 12 17 18 19


(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00017 --grids 5 7 --pieces 10 11 12 17 18 19
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00017 --grids 5 8 --pieces 14 15 21 22 28 29
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00018 --grids 5 8 --pieces 9 10 22 23 26 27
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00018 --grids 5 8 --pieces 10 11 22 23 27 28
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00019 --grids 5 8 --pieces 9 10 17 18 29 30
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00019 --grids 5 8 --pieces 10 11 18 19 29 30
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00019 --grids 5 8 --pieces 9 10 17 18 29 30
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00020 --grids 6 9 --pieces 14 23 31 32 40 41
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00020 --grids 6 9 --pieces 13 14 22 23 31 32 40 41
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00021 --grids 6 9 --pieces 13 14 22 23 31 32 40 41
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00021 --grids 6 9 --pieces 22 23 24 25 31 32 33 34

(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00022 --grids 5 6 --pieces 13 14 15 19 20 21
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00022 --grids 5 6 --pieces 8 9 14 15 20 21
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00022 --grids 5 6 --pieces 13 14 15 19 20 21
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00023 --grids 5 6 --pieces 15 16 21 22 29 30
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00023 --grids 5 6 --pieces 15 16 21 22 27 28
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00024 --grids 5 6 --pieces 9 11 13 15 17 21
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00024 --grids 5 6 --pieces 7 9 11 21 13 25
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00024 --grids 5 6 --pieces 7 9 11 21 23 25
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00024 --grids 5 6 --pieces 7 9 11 19 21 23
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00025 --grids 5 6 --pieces 3 9 10 15 16 17
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00025 --grids 5 6 --pieces 3 9 10 15 16 22
(sam2) liujm@FI-GPU-1:~/code/llm-puzzle/dataset$ python gen.py --dataset 00025 --grids 5 6 --pieces 3 9 10 21 22 27
'''