# -*- coding: utf-8 -*-
import re
import os

project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

def check_bitmap(filepath):
    with open(filepath, 'r', encoding='utf-8') as f:
        content = f.read()
    m = re.search(r'/\* U\+4E2D.*?\*/(.*?)(?:/\* U\+|static const lv_font_fmt_txt_glyph_dsc_t)', content, re.DOTALL)
    if m:
        data_str = m.group(1)
        bytes_vals = []
        for x in data_str.split(','):
            x = x.strip()
            if not x:
                continue
            if x.startswith('0x') or x.startswith('0X'):
                bytes_vals.append(int(x, 16))
            else:
                try:
                    bytes_vals.append(int(x))
                except:
                    pass
        pixels = []
        for b in bytes_vals:
            pixels.append((b >> 4) & 0x0F)
            pixels.append(b & 0x0F)
        max_val = max(pixels)
        nonzero = [v for v in pixels if v > 0]
        min_nonzero = min(nonzero) if nonzero else 0
        avg_nonzero = sum(nonzero) / len(nonzero) if nonzero else 0
        print(f'{filepath}: max={max_val}/15, min_nonzero={min_nonzero}/15, avg_nonzero={avg_nonzero:.1f}/15')
    else:
        print(f'{filepath}: no match')

check_bitmap(os.path.join(project_root, 'app/tasks/custom_cjk_40.c'))
check_bitmap(os.path.join(project_root, 'app/tasks/custom_cjk_30.c'))
check_bitmap(os.path.join(project_root, 'app/tasks/custom_cjk_20.c'))
check_bitmap(os.path.join(project_root, 'app/tasks/custom_cjk_16.c'))