backup3.app.py

import io
import re
import streamlit as st
import glob
import os
from PIL import Image
import fitz
from reportlab.lib.pagesizes import A4
from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib import colors
from reportlab.pdfbase import pdfmetrics
from reportlab.pdfbase.ttfonts import TTFont
import unicodedata

st.set_page_config(layout="wide", initial_sidebar_state="collapsed")

def create_pdf_tab(default_markdown):
    font_files = glob.glob("*.ttf")
    if not font_files:
        st.error("No .ttf font files found in the current directory. Please add some, e.g., NotoColorEmoji-Regular.ttf and DejaVuSans.ttf.")
        return
    available_fonts = {os.path.splitext(os.path.basename(f))[0]: f for f in font_files}

    with st.sidebar:
        selected_font_name = st.selectbox("Select Emoji Font", options=list(available_fonts.keys()), index=0 if "NotoColorEmoji-Regular" in available_fonts else 0)
        selected_font_path = available_fonts[selected_font_name]
        base_font_size = st.slider("Font Size (points)", min_value=6, max_value=16, value=9, step=1)
        plain_text_mode = st.checkbox("Render as Plain Text (Preserve Bold Only)", value=False)
        auto_bold_numbers = st.checkbox("Auto-Bold Numbered Lines", value=False)
        num_columns = st.selectbox("Number of Columns", options=[1, 2, 3, 4, 5, 6], index=3)

        if 'markdown_content' not in st.session_state:
            st.session_state.markdown_content = default_markdown
        
        edited_markdown = st.text_area("Modify the markdown content below:", value=st.session_state.markdown_content, height=300)
        if st.button("Update PDF"):
            st.session_state.markdown_content = edited_markdown
            st.rerun()
        
        st.download_button(label="Save Markdown", data=st.session_state.markdown_content, file_name="deities_guide.md", mime="text/markdown")

    try:
        pdfmetrics.registerFont(TTFont(selected_font_name, selected_font_path))
        pdfmetrics.registerFont(TTFont("DejaVuSans", "DejaVuSans.ttf"))
    except Exception as e:
        st.error(f"Failed to register fonts: {e}. Ensure both {selected_font_name}.ttf and DejaVuSans.ttf are in the directory.")
        return

    def apply_emoji_font(text, emoji_font):
        emoji_pattern = re.compile(
            r"([\U0001F300-\U0001F5FF"
            r"\U0001F600-\U0001F64F"
            r"\U0001F680-\U0001F6FF"
            r"\U0001F700-\U0001F77F"
            r"\U0001F780-\U0001F7FF"
            r"\U0001F800-\U0001F8FF"
            r"\U0001F900-\U0001F9FF"
            r"\U0001FA00-\U0001FA6F"
            r"\U0001FA70-\U0001FAFF"
            r"\u2600-\u26FF"
            r"\u2700-\u27BF]+)"
        )

        def replace_emoji(match):
            emoji = match.group(1)
            emoji = unicodedata.normalize('NFC', emoji)
            return f'<font face="{emoji_font}">{emoji}</font>'

        segments = []
        last_pos = 0
        for match in emoji_pattern.finditer(text):
            start, end = match.span()
            if last_pos < start:
                segments.append(f'<font face="DejaVuSans">{text[last_pos:start]}</font>')
            segments.append(replace_emoji(match))
            last_pos = end
        if last_pos < len(text):
            segments.append(f'<font face="DejaVuSans">{text[last_pos:]}</font>')
        return ''.join(segments)

    def markdown_to_pdf_content(markdown_text, plain_text_mode, auto_bold_numbers):
        lines = markdown_text.strip().split('\n')
        pdf_content = []
        number_pattern = re.compile(r'^\d+\.\s')

        if plain_text_mode:
            for line in lines:
                line = line.strip()
                if not line or line.startswith('# '):
                    continue
                bold_pattern = re.compile(r'\*\*(.*?)\*\*')
                line = bold_pattern.sub(r'<b>\1</b>', line)
                pdf_content.append(line)
        else:
            for line in lines:
                line = line.strip()
                if not line or line.startswith('# '):
                    continue
                if line.startswith('## ') or line.startswith('### '):
                    text = line.replace('## ', '').replace('### ', '').strip()
                    pdf_content.append(f"<b>{text}</b>")
                elif auto_bold_numbers and number_pattern.match(line):
                    pdf_content.append(f"<b>{line}</b>")
                else:
                    pdf_content.append(line.strip())

        total_lines = len(pdf_content)
        return pdf_content, total_lines

    def create_pdf(markdown_text, base_font_size, plain_text_mode, num_columns, auto_bold_numbers):
        buffer = io.BytesIO()
        page_width = A4[0] * 2
        page_height = A4[1]
        doc = SimpleDocTemplate(buffer, pagesize=(page_width, page_height), leftMargin=36, rightMargin=36, topMargin=36, bottomMargin=36)
        styles = getSampleStyleSheet()
        story = []
        spacer_height = 10
        section_spacer_height = 15
        pdf_content, total_lines = markdown_to_pdf_content(markdown_text, plain_text_mode, auto_bold_numbers)

        item_font_size = base_font_size
        section_font_size = base_font_size * 1.1

        section_style = ParagraphStyle(
            'SectionStyle', parent=styles['Heading2'], fontName="DejaVuSans",
            textColor=colors.darkblue, fontSize=section_font_size, leading=section_font_size * 1.2, spaceAfter=2
        )
        item_style = ParagraphStyle(
            'ItemStyle', parent=styles['Normal'], fontName="DejaVuSans",
            fontSize=item_font_size, leading=item_font_size * 1.15, spaceAfter=1
        )

        story.append(Spacer(1, spacer_height))
        columns = [[] for _ in range(num_columns)]
        lines_per_column = total_lines / num_columns if num_columns > 0 else total_lines
        current_line_count = 0
        current_column = 0

        number_pattern = re.compile(r'^\d+\.\s')
        for i, item in enumerate(pdf_content):
            if i > 0 and number_pattern.match(item.replace('<b>', '').replace('</b>', '')):
                columns[current_column].append(Spacer(1, section_spacer_height))
            
            if current_line_count >= lines_per_column and current_column < num_columns - 1:
                current_column += 1
                current_line_count = 0
            columns[current_column].append(item)
            current_line_count += 1

        column_cells = [[] for _ in range(num_columns)]
        for col_idx, column in enumerate(columns):
            for item in column:
                if isinstance(item, Spacer):
                    column_cells[col_idx].append(item)
                elif isinstance(item, str) and item.startswith('<b>'):
                    text = item.replace('<b>', '').replace('</b>', '')
                    column_cells[col_idx].append(Paragraph(apply_emoji_font(text, selected_font_name), section_style))
                else:
                    column_cells[col_idx].append(Paragraph(apply_emoji_font(item, selected_font_name), item_style))

        max_cells = max(len(cells) for cells in column_cells) if column_cells else 0
        for cells in column_cells:
            cells.extend([Paragraph("", item_style)] * (max_cells - len(cells)))

        col_width = (page_width - 72) / num_columns if num_columns > 0 else page_width - 72
        table_data = list(zip(*column_cells)) if column_cells else [[]]
        table = Table(table_data, colWidths=[col_width] * num_columns, hAlign='CENTER')
        table.setStyle(TableStyle([
            ('VALIGN', (0, 0), (-1, -1), 'TOP'), ('ALIGN', (0, 0), (-1, -1), 'LEFT'),
            ('BACKGROUND', (0, 0), (-1, -1), colors.white), ('GRID', (0, 0), (-1, -1), 0, colors.white),
            ('LINEAFTER', (0, 0), (num_columns-1, -1), 0.5, colors.grey),
            ('LEFTPADDING', (0, 0), (-1, -1), 2), ('RIGHTPADDING', (0, 0), (-1, -1), 2),
            ('TOPPADDING', (0, 0), (-1, -1), 1), ('BOTTOMPADDING', (0, 0), (-1, -1), 1),
        ]))

        story.append(table)
        doc.build(story)
        buffer.seek(0)
        return buffer.getvalue()

    def pdf_to_image(pdf_bytes):
        try:
            doc = fitz.open(stream=pdf_bytes, filetype="pdf")
            images = []
            for page in doc:
                pix = page.get_pixmap(matrix=fitz.Matrix(2.0, 2.0))
                img = Image.frombytes("RGB", [pix.width, pix.height], pix.samples)
                images.append(img)
            doc.close()
            return images
        except Exception as e:
            st.error(f"Failed to render PDF preview: {e}")
            return None

    with st.spinner("Generating PDF..."):
        pdf_bytes = create_pdf(st.session_state.markdown_content, base_font_size, plain_text_mode, num_columns, auto_bold_numbers)

    with st.container():
        pdf_images = pdf_to_image(pdf_bytes)
        if pdf_images:
            for img in pdf_images:
                st.image(img, use_container_width=True)
        else:
            st.info("Download the PDF to view it locally.")

    with st.sidebar:
        st.download_button(label="Download PDF", data=pdf_bytes, file_name="deities_guide.pdf", mime="application/pdf")

default_markdown = """# Deities Guide: Mythology and Moral Lessons 🌟✨

1. 📜 **Introduction**  
   - **Purpose**: Explore deities, spirits, saints, and beings with their epic stories and morals! 🌍📖  
   - **Usage**: A guide for learning and storytelling across traditions. 🎭✍️  
   - **Themes**: Justice ⚖️, faith 🙏, hubris 😤, redemption 🌈, cosmic order 🌌.

2. 🛠️ **Core Concepts of Divinity**  
   - **Powers**: Creation 🌍, omniscience 👁️‍🗨️, shapeshifting 🦋 across entities.  
   - **Life Cycle**: Mortality 💀, immortality ✨, transitions like saints and avatars 🌟.  
   - **Communication**: Omens 🌩️, visions 👁️, miracles ✨ from gods and spirits.

3. ⚡ **Standard Abilities**  
   - **Creation**: Gods and spirits shape worlds, e.g., Allah 🌍 and Vishnu 🌀.  
   - **Influence**: Saints and prophets intercede, like Muhammad 🕌 and Paul ✝️.  
   - **Transformation**: Angels and avatars shift forms, e.g., Gabriel 😇 and Krishna 🦚.  
   - **Knowledge**: Foresight 🔮 or revelation 📜, as with the Holy Spirit 🕊️ and Brahma 🧠.  
   - **Judgment**: Divine authority 👑, e.g., Yahweh ⚖️ and Yama 💀.

4. ⏳ **Mortality and Immortality**  
   - **Gods**: Eternal ⏰, like Allah 🌟 and Shiva 🕉️.  
   - **Spirits**: Realm-bound 🌠, e.g., jinn 🔥 and devas ✨.  
   - **Saints/Prophets**: Mortal to divine 🌍➡️🌌, e.g., Moses 📜 and Rama 🏹.  
   - **Beings**: Limbo states ❓, like cherubim 😇 and rakshasas 👹.  
   - **Lessons**: Faith 🙏 and duty ⚙️ define transitions.

5. 🌠 **Ascension and Signs**  
   - **Paths**: Birth 👶, deeds 🛡️, revelation 📖, as with Jesus ✝️ and Arjuna 🏹.  
   - **Signs**: Miracles ✨ and prophecies 🔮, like those in the Quran 📘 and Gita 📚.  
   - **Morals**: Obedience 🧎 and devotion ❤️ shape destiny 🌟.

6. 🎲 **Storytelling and Games**  
   - **Portrayal**: Gods, spirits, and saints in narratives or RPGs 🎮📜.  
   - **Dynamics**: Clerics ⛪, imams 🕌, and sadhus 🧘 serve higher powers.  
   - **Balance**: Power 💪 vs. personality 😊 for depth.

7. 🎮 **Dungeon Mastering Beings**  
   - **Gods**: Epic scope 🌌, e.g., Allah ✨ and Vishnu 🌀.  
   - **Spirits**: Local influence 🏞️, like jinn 🔥 and apsaras 💃.  
   - **Saints**: Moral anchors ⚓, e.g., St. Francis 🐾 and Ali ⚔️.

8. 🙏 **Devotee Relationships**  
   - **Clerics**: Serve gods, e.g., Krishna’s priests 🦚.  
   - **Mediums**: Channel spirits, like jinn whisperers 🔥👁️.  
   - **Faithful**: Venerate saints and prophets, e.g., Fatima’s followers 🌹.

9. 🦅 **American Indian Traditions**  
   - **Coyote, Raven, White Buffalo Woman**: Trickster kin 🦊🐦 and wise mother 🐃.  
   - **Relation**: Siblings and guide teach balance ⚖️.  
   - **Lesson**: Chaos 🌪️ breeds wisdom 🧠.

10. ⚔️ **Arthurian Legends**  
    - **Merlin, Morgan le Fay, Arthur**: Mentor 🧙, rival 🧙‍♀️, son 👑.  
    - **Relation**: Family tests loyalty 🤝.  
    - **Lesson**: Honor 🛡️ vs. betrayal 🗡️.

11. 🏛️ **Babylonian Mythology**  
    - **Marduk, Tiamat, Ishtar**: Son ⚔️, mother 🌊, lover ❤️.  
    - **Relation**: Kinship drives order 🏰.  
    - **Lesson**: Power 💪 reshapes chaos 🌪️.

12. ✝️ **Christian Trinity**  
    - **God (Yahweh), Jesus, Holy Spirit**: Father 👑, Son ✝️, Spirit 🕊️.  
    - **Relation**: Divine family redeems 🌈.  
    - **Lesson**: Faith 🙏 restores grace ✨.

13. 😇 **Christian Saints & Angels**  
    - **St. Michael, Gabriel, Mary**: Warrior ⚔️, messenger 📜, mother 🌹.  
    - **Relation**: Heavenly kin serve God 👑.  
    - **Lesson**: Duty ⚙️ upholds divine will 🌟.

14. 🍀 **Celtic Mythology**  
    - **Lugh, Morrigan, Cernunnos**: Son ☀️, mother 🦇, father 🦌.  
    - **Relation**: Family governs cycles 🌍.  
    - **Lesson**: Courage 💪 in fate 🎲.

15. 🌄 **Central American Traditions**  
    - **Quetzalcoatl, Tezcatlipoca, Huitzilopochtli**: Brothers 🐍🐆 and war son ⚔️.  
    - **Relation**: Sibling rivalry creates 🌍.  
    - **Lesson**: Sacrifice 🩸 builds worlds 🏰.

16. 🐉 **Chinese Mythology**  
    - **Jade Emperor, Nuwa, Sun Wukong**: Father 👑, mother 🐍, rebel son 🐒.  
    - **Relation**: Family enforces harmony 🎶.  
    - **Lesson**: Duty ⚙️ curbs chaos 🌪️.

17. 🐙 **Cthulhu Mythos**  
    - **Cthulhu, Nyarlathotep, Yog-Sothoth**: Elder kin 🐙👁️‍🗨️🌌.  
    - **Relation**: Cosmic trio overwhelms 😱.  
    - **Lesson**: Insignificance 🌌 humbles 🙇.

18. ☥ **Egyptian Mythology**  
    - **Ra, Osiris, Isis**: Father ☀️, son ⚰️, mother 🌟.  
    - **Relation**: Family ensures renewal 🔄.  
    - **Lesson**: Justice ⚖️ prevails.

19. ❄️ **Finnish Mythology**  
    - **Väinämöinen, Louhi, Ukko**: Son 🎶, mother ❄️, father ⚡.  
    - **Relation**: Kinship tests wisdom 🧠.  
    - **Lesson**: Perseverance 🏋️ wins.

20. 🏛️ **Greek Mythology**  
    - **Zeus, Hera, Athena**: Father ⚡, mother 👑, daughter 🦇.  
    - **Relation**: Family rules with tension ⚔️.  
    - **Lesson**: Hubris 😤 meets wisdom 🧠.

21. 🕉️ **Hindu Trimurti**  
    - **Brahma, Vishnu, Shiva**: Creator 🌀, preserver 🛡️, destroyer 🔥.  
    - **Relation**: Divine trio cycles existence 🔄.  
    - **Lesson**: Balance ⚖️ sustains life 🌍.

22. 🌺 **Hindu Avatars & Devis**  
    - **Krishna, Rama, Durga**: Sons 🦚🏹 and fierce mother 🗡️.  
    - **Relation**: Avatars and goddess protect dharma ⚖️.  
    - **Lesson**: Duty ⚙️ defeats evil 👹.

23. 🌸 **Japanese Mythology**  
    - **Amaterasu, Susanoo, Tsukuyomi**: Sister ☀️, brothers 🌊🌙.  
    - **Relation**: Siblings balance cosmos 🌌.  
    - **Lesson**: Harmony 🎶 vs. chaos 🌪️.

24. 🗡️ **Melnibonean Legends**  
    - **Arioch, Xiombarg, Elric**: Lords 👑 and mortal son ⚔️.  
    - **Relation**: Pact binds chaos 🌪️.  
    - **Lesson**: Power 💪 corrupts 😈.

25. ☪️ **Muslim Divine & Messengers**  
    - **Allah, Muhammad, Gabriel**: God 🌟, prophet 🕌, angel 😇.  
    - **Relation**: Messenger reveals divine will 📜.  
    - **Lesson**: Submission 🙇 brings peace ☮️.

26. 👻 **Muslim Spirits & Kin**  
    - **Jinn, Iblis, Khidr**: Spirits 🔥😈 and guide 🌿 defy or aid.  
    - **Relation**: Supernatural kin test faith 🙏.  
    - **Lesson**: Obedience 🧎 vs. rebellion 😡.

27. 🏰 **Nehwon Legends**  
    - **Death, Ningauble, Sheelba**: Fateful trio 💀👁️‍🗨️🌿.  
    - **Relation**: Guides shape destiny 🎲.  
    - **Lesson**: Cunning 🧠 defies fate ⚰️.

28. 🧝 **Nonhuman Traditions**  
    - **Corellon, Moradin, Gruumsh**: Elf 🧝, dwarf ⛏️, orc 🗡️ fathers.  
    - **Relation**: Rivals define purpose ⚔️.  
    - **Lesson**: Community 🤝 endures.

29. ᚱ **Norse Mythology**  
    - **Odin, Frigg, Loki**: Father 👁️, mother 👑, trickster son 🦊.  
    - **Relation**: Family faces doom ⚡.  
    - **Lesson**: Sacrifice 🩸 costs.

30. 🗿 **Sumerian Mythology**  
    - **Enki, Inanna, Anu**: Son 🌊, daughter ❤️, father 🌌.  
    - **Relation**: Kin wield knowledge 🧠.  
    - **Lesson**: Ambition 🌟 shapes.

31. 📚 **Appendices**  
    - **Planes**: Realms of gods, spirits, saints, e.g., Paradise 🌈 and Svarga ✨.  
    - **Symbols**: Rituals 🕉️ and artifacts 🗿 of faith.  
    - **Charts**: Domains and duties for devotees 📊.

32. 🌌 **Planes of Existence**  
    - **Heaven/Paradise**: Christian/Muslim abode 🌟.  
    - **Svarga**: Hindu divine realm ✨.  
    - **Underworld**: Spirits linger, e.g., Sheol ⚰️ and Naraka 🔥.

33. 🕍 **Temple Trappings**  
    - **Cross/Crescent**: Christian/Muslim faith ✝️☪️.  
    - **Mandalas**: Hindu devotion 🌀.  
    - **Relics**: Saints’ and prophets’ legacy 🗝️.

34. 📊 **Clerical Chart**  
    - **Gods**: Domains, e.g., creation 🌍 and mercy ❤️.  
    - **Spirits**: Influence, like guidance 🌿 and mischief 😈.  
    - **Saints/Prophets**: Virtues, e.g., justice ⚖️ and prophecy 🔮.
"""

create_pdf_tab(default_markdown)