from pathlib import Path
from xml.sax.saxutils import escape
from reportlab.pdfgen import canvas
from reportlab.platypus import SimpleDocTemplate,Paragraph,Spacer,KeepTogether
from reportlab.lib.styles import ParagraphStyle
from reportlab.lib.enums import TA_CENTER,TA_JUSTIFY
from reportlab.lib.colors import HexColor
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.lib.pagesizes import A4
from pypdf import PdfReader
base=Path('work/trilium');out=Path('output/pdf');out.mkdir(parents=True,exist_ok=True)
pdfmetrics.registerFont(TTFont('Korean','C:/Windows/Fonts/malgun.ttf'))
pdfmetrics.registerFont(TTFont('KoreanBold','C:/Windows/Fonts/malgunbd.ttf'))
body=ParagraphStyle('body',fontName='Korean',fontSize=10.5,leading=18,spaceAfter=9,wordWrap='CJK',textColor=HexColor('#20252c'),allowWidows=0,allowOrphans=0)
title=ParagraphStyle('title',parent=body,fontName='KoreanBold',fontSize=24,leading=32,spaceAfter=12)
author=ParagraphStyle('author',parent=body,fontSize=12,leading=19,spaceAfter=24)
section=ParagraphStyle('section',parent=body,alignment=TA_CENTER,spaceBefore=18,spaceAfter=18,textColor=HexColor('#697386'),keepWithNext=True)
parts=(base/'last-question.ko.txt').read_text(encoding='utf8').replace('제로이드','제로드').split('\n\n')
# First block contains title and author; all subsequent paragraphs follow the source narrative.
story=[Paragraph('마지막 질문',title),Paragraph('아이작 아시모프',author)]
for block in parts[1:]:
 text=block.strip()
 if not text:continue
 story.append(Paragraph(escape(text),section if text=='* * *' else body))
def footer(c,doc):
 c.saveState();c.setFont('Korean',8);c.setFillColor(HexColor('#697386'))
 c.drawString(48,29,'마지막 질문 · 아이작 아시모프')
 c.drawRightString(A4[0]-48,29,str(doc.page));c.restoreState()
target=out/'마지막-질문-한국어.pdf'
doc=SimpleDocTemplate(str(target),pagesize=A4,rightMargin=48,leftMargin=48,topMargin=48,bottomMargin=49,title='마지막 질문',author='아이작 아시모프',subject='Trilium 기본 제공 예제의 한국어 번역')
paragraphs=len(story)
doc.build(story,onFirstPage=footer,onLaterPages=footer)
r=PdfReader(str(target));text='\n'.join(p.extract_text() for p in r.pages)
assert '빛이 있으라' in text and '작품' in text
assert '\ufffd' not in text
print({'file':str(target),'pages':len(r.pages),'bytes':target.stat().st_size,'paragraphs':paragraphs})