from flask import Flask, render_template
from flask_flatpages import FlatPages

app = Flask(__name__)

# Consolidate Configs
app.config.update(
    FLATPAGES_AUTO_RELOAD = True,
    FLATPAGES_EXTENSION = '.md',
    FLATPAGES_MARKDOWN_EXTENSIONS = ['fenced_code', 'tables']
)

pages = FlatPages(app)

@app.route('/')
def index():
    # Sort posts by date metadata
    posts = sorted(pages, key=lambda p: p.meta.get('date'), reverse=True)
    return render_template('index.html', posts=posts)

@app.route('/about')
def about():
    return render_template('about.html')


@app.route('/post/<path:path>/') # Adding /post/ prefix helps organize URLs
def post(path):
    page = pages.get_or_404(path)
    return render_template('post.html', page=page)

@app.route('/tag/<string:tag_name>/')
def tag(tag_name):
    tagged_pages = [p for p in pages if tag_name in p.meta.get('tags', [])]
    return render_template('tag.html', pages=tagged_pages, tag_name=tag_name)

@app.context_processor
def inject_tags():
    all_tags = set()
    for page in pages:
        t = page.meta.get('tags', [])
        if isinstance(t, list):
            all_tags.update(t)
    return dict(all_cloud_tags=sorted(list(all_tags)))

if __name__ == "__main__":
    app.run(port=5001, debug=True)