import streamlit as st
import os
import glob
import re
import datetime
from urllib.parse import quote

# Define the markdown variables
Boxing_and_MMA_Commentary_and_Knowledge = """
# Boxing and UFC Study of 1971 - 2024 The Greatest Fights History

1. In Boxing, the most heart breaking fight in Boxing was the Boom Boom Mancini fight with Duku Kim.
2. After changes to Boxing made it more safe due to the heart break.
3. Rehydration of the brain after weight ins loss preparation for a match is life saving change.
4. Fighting went from 15 rounds to 12.

# UFC By Contrast..
1. 5 Rounds of 5 Minutes each.
2. Greatest UFC Fighters:
    - Jon Jones could be the greatest of all time (GOAT) since he never lost.
    - George St. Pierre
    - BJ Penn
    - Anderson Silva
    - Mighty Mouse MMA's heart at 125 pounds
    - Kabib retired 29 and 0
    - Fedor Milliano
    - Alex Pereira
    - James Tony
    - Randy Couture
3. You have to Judge them in their Championship Peak
4. Chris Weidman
5. Connor McGregor
6. Leg Breaking - Shin calcification and breaking baseball bats

# References:
1. Joe Rogan - Interview #2219
2. Donald J Trump
"""

Multiplayer_Custom_Hosting_Game_Servers_For_Simulated_Worlds = """

# Multiplayer Simulated Worlds

1. 7 Days To Die PC 
2. ARK: Survival Evolved PC 
3. Arma 3 PC 
4. Atlas PC 
5. Conan Exiles PC 
6. Craftopia PC 
7. DayZ PC 
8. Eco - Global Survival PC 
9. Empyrion - Galactic Survival PC 
10. Factorio PC 
11. Farming Simulator 19 PC 
12. Crossplay
13. Farming Simulator 22 
14. Last Oasis PC 
15. Last Oasis Classic PC 
16. Minecraft (Vanilla) PC 
17. Crossplay
18. Path of Titans
19. Rust PC 
20. SCP: Secret Laboratory PC 
21. SCUM PC
22. Satisfactory PC
23. Satisfactory (Experimental) PC 
24. Crossplay
25. Space Engineers 
26. Terraria (tShock & Vanilla) PC 
27. The Forest PC 
28. Crossplay
29. Valheim

"""

# Function to parse markdown text and create external links for terms
def display_external_links(term):
    search_urls = {
        "ArXiv": lambda k: f"https://arxiv.org/search/?query={quote(k)}",
        "Wikipedia": lambda k: f"https://en.wikipedia.org/wiki/{quote(k)}",
        "Google": lambda k: f"https://www.google.com/search?q={quote(k)}",
        "YouTube": lambda k: f"https://www.youtube.com/results?search_query={quote(k)}",
    }
    links_md = ' | '.join([f"[{name}]({url(term)})" for name, url in search_urls.items()])
    st.markdown(f"- **{term}** - {links_md}")

# Function to parse markdown text and extract terms
def extract_terms(markdown_text):
    # Split text into lines
    lines = markdown_text.strip().split('\n')
    terms = []
    for line in lines:
        # Remove markdown special characters
        line = re.sub(r'^[#*\->\d\.\s]+', '', line).strip()
        if line:
            terms.append(line)
    return terms

# Function to create internal links with query parameters
def display_internal_links(term):
    app_url = st.experimental_get_query_params()
    # Reconstruct the app URL without parameters
    base_url = st.request.host_url
    link = f"{base_url}?q={quote(term)}"
    st.markdown(f"- [{term}]({link})")

# Function to automatically generate filenames based on date and content
def generate_filename(prefix, content):
    timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
    safe_content = re.sub(r'\W+', '_', content[:50])
    filename = f"{prefix}_{timestamp}_{safe_content}.md"
    return filename

# Sidebar for file management
def file_management_sidebar():
    st.sidebar.title("📁 File Management")

    # Get list of .md files excluding README.md
    md_files = [file for file in glob.glob("*.md") if os.path.basename(file).lower() != 'readme.md']
    md_files.sort()

    if md_files:
        selected_file = st.sidebar.selectbox("Select a markdown file to view/edit", md_files)

        # Navigation buttons
        file_index = md_files.index(selected_file)
        col1, col2 = st.sidebar.columns([1,1])
        if col1.button("Previous"):
            if file_index > 0:
                selected_file = md_files[file_index -1]
                st.experimental_set_query_params(selected_file=selected_file)
                st.experimental_rerun()
        if col2.button("Next"):
            if file_index < len(md_files) -1:
                selected_file = md_files[file_index +1]
                st.experimental_set_query_params(selected_file=selected_file)
                st.experimental_rerun()

        # Load file content
        with open(selected_file, 'r', encoding='utf-8') as f:
            file_content = f.read()

        # Tabs for Markdown View and Code Editor
        tab1, tab2 = st.tabs(["Markdown View", "Code Editor"])

        with tab1:
            st.markdown(f"### {selected_file}")
            st.markdown(file_content)

        with tab2:
            edited_content = st.text_area("Edit the markdown content", file_content, height=400)
            if st.button("Save Changes"):
                with open(selected_file, 'w', encoding='utf-8') as f:
                    f.write(edited_content)
                st.success(f"Changes saved to {selected_file}")
                st.experimental_rerun()
    else:
        st.sidebar.write("No markdown files found.")

    # Option to create a new markdown file
    if st.sidebar.button("Create New Markdown File"):
        # Generate automatic filename
        timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
        new_filename = f"note_{timestamp}.md"
        with open(new_filename, 'w', encoding='utf-8') as f:
            f.write("# New Markdown File\n")
        st.sidebar.success(f"Created new file: {new_filename}")
        st.experimental_set_query_params(selected_file=new_filename)
        st.experimental_rerun()

# Main application logic
def main():
    st.title("Markdown Content with Links and File Management")

    # Display the original markdown content
    st.markdown("## Original Markdown Content")
    st.markdown(Boxing_and_MMA_Commentary_and_Knowledge)
    st.markdown(Multiplayer_Custom_Hosting_Game_Servers_For_Simulated_Worlds)

    # Parse and display external links
    st.markdown("## External Links Generated from Markdown Content")
    terms = extract_terms(Boxing_and_MMA_Commentary_and_Knowledge)
    for term in terms:
        display_external_links(term)

    terms = extract_terms(Multiplayer_Custom_Hosting_Game_Servers_For_Simulated_Worlds)
    for term in terms:
        display_external_links(term)

    # Parse and display internal links
    st.markdown("## Internal Links Generated from Markdown Content")
    terms = extract_terms(Boxing_and_MMA_Commentary_and_Knowledge)
    for term in terms:
        display_internal_links(term)

    terms = extract_terms(Multiplayer_Custom_Hosting_Game_Servers_For_Simulated_Worlds)
    for term in terms:
        display_internal_links(term)

    # Process 'q' query parameter from the URL
    query_params = st.experimental_get_query_params()
    if 'q' in query_params:
        search_query = query_params['q'][0]
        st.write(f"### Search query received: {search_query}")
        # Here you can implement your search logic
        # For demonstration, we'll create a markdown file with the search query
        filename = generate_filename("search", search_query)
        content = f"# Search Results for '{search_query}'\n\n"
        content += f"Here are the results for your search query: '{search_query}'.\n"
        with open(filename, 'w', encoding='utf-8') as f:
            f.write(content)
        st.write(f"Generated file **{filename}** with search results.")

    # File management sidebar
    file_management_sidebar()

if __name__ == "__main__":
    main()