# -*- coding: utf-8 -*-
"""57+ 어문(이미지없음) 행만 몽타주 — 이미지 있는 행 시각식별용."""
import os, glob
import openpyxl
from PIL import Image, ImageDraw, ImageFont
DIR = os.path.dirname(__file__)
SHOT = os.path.join(DIR, '_nshots2')
t = glob.glob(os.path.join(DIR, '*.xlsx'))
t = [p for p in t if 'backup' not in p and not os.path.basename(p).startswith(('~$', '_'))][0]
ws = openpyxl.load_workbook(t).active
rows = [r for r in range(57, ws.max_row + 1)
        if ws.cell(r, 12).value in ('페이지', '게시판') and '이미지' not in str(ws.cell(r, 14).value or '')
        and os.path.exists(os.path.join(SHOT, f'r{r}.png'))]
lab = {r: (ws.cell(r, 7).value or ws.cell(r, 6).value or ws.cell(r, 5).value or '') for r in rows}
Lof = {r: ws.cell(r, 12).value for r in rows}
CW, CH = 268, 470
COLS, ROWS = 4, 4
PER = COLS * ROWS
try:
    fnt = ImageFont.truetype('C:/Windows/Fonts/malgun.ttf', 19)
except Exception:
    fnt = ImageFont.load_default()
cells = []
for r in rows:
    im = Image.open(os.path.join(SHOT, f'r{r}.png')).convert('RGB')
    if im.height > 780:
        im = im.crop((0, 0, im.width, 780))
    im.thumbnail((CW, CH))
    cells.append((r, im))
for k in range((len(cells) + PER - 1) // PER):
    sub = cells[k * PER:(k + 1) * PER]
    cw, ch = CW + 12, CH + 32
    M = Image.new('RGB', (COLS * cw, ROWS * ch), (255, 255, 255))
    d = ImageDraw.Draw(M)
    for i, (r, im) in enumerate(sub):
        cx = (i % COLS) * cw
        cy = (i // COLS) * ch
        d.text((cx + 4, cy + 3), f"r{r}[{'B' if Lof[r]=='게시판' else 'P'}] {str(lab[r])[:13]}", fill=(200, 0, 0), font=fnt)
        M.paste(im, (cx + 6, cy + 28))
        d.rectangle([cx + 2, cy + 26, cx + cw - 4, cy + ch - 4], outline=(150, 150, 150))
    M.save(os.path.join(DIR, f'_nb{k+1:02d}.png'))
print('grids', (len(cells) + PER - 1) // PER, 'cells', len(cells), 'rows', rows[0], '~', rows[-1])