from flask import Flask, render_template, request, redirect, url_for
from content.posts import BLOG_POSTS
from content.logic import get_enriched_post, get_comments_for_post, save_comment

# 🌟 IMPORT THE content from separate files.
from content.posts import BLOG_POSTS
from content.about_text import ABOUT, TITLE
app = Flask(__name__)


import csv
import datetime
import os, math

COMMENT_FILE = 'content/comments.csv'
MAX_FILE_SIZE_BYTES = 5 * 1024 * 1024  # 5 Megabytes
POSTS_PER_PAGE = 5  # posts per page limit here

"""
import os
from flask import send_from_directory

@app.route('/content/images/<path:filename>')
def custom_static(filename):
    # This serves files from your private submodule folder
    return send_from_directory('content/images', filename)
"""

@app.route('/post/<int:post_id>/comment', methods=['POST'])
def post_comment(post_id):
    # Honeypot stays in app.py (it's a web-security concern)
    if request.form.get('honeypot'):
        return redirect(url_for('post_detail', post_id=post_id))

    author = request.form.get('author')
    content = request.form.get('content')

    # Just call the logic function
    success = save_comment(post_id, author, content)
    
    # Optional: You could flash a message if success is False
    return redirect(url_for('post_detail', post_id=post_id))
# --- Routes ---


@app.route('/')
def home():
    page = request.args.get('page', 1, type=int)
    blog_title = TITLE

    # 2. Sort posts by ID newest first
    all_posts = sorted(BLOG_POSTS, key=lambda x: x['id'], reverse=True)
    # Calculate totals
    total_posts = len(all_posts)
    total_pages = math.ceil(total_posts / POSTS_PER_PAGE) 
    # 3. Calculate start and end indices
    start = (page - 1) * POSTS_PER_PAGE
    end = start + POSTS_PER_PAGE
    
    # 4. Slice the list for the current page
    posts_to_show = all_posts[start:end]
    
    # 5. Determine if there is a next or previous page
    prev_url = url_for('home', page=page - 1) if page > 1 else None
    next_url = url_for('home', page=page + 1) if end < len(all_posts) else None
    
    return render_template('index.html', 
                           posts=posts_to_show, 
                           prev_url=prev_url, 
                           next_url=next_url,
                           current_page=page,
                           blog_title=blog_title,
                           total_pages=total_pages)






@app.route('/about')
def about():
    about_txt = ABOUT
    """Renders the About page."""
    return render_template('about.html', about_txt = about_txt, blog_title = TITLE)




@app.route('/post/<int:post_id>')
def post_detail(post_id):
    # One call to get the data + the extra logic (templates/timelines)
    post = get_enriched_post(post_id, BLOG_POSTS)
    
    if not post:
        return "Post not found", 404
        
    comments = get_comments_for_post(post_id)
    return render_template('post_detail.html', post=post, comments=comments, blog_title = TITLE)


if __name__ == '__main__':
    app.run(debug=True)