# routes/main_routes.py - Main Application Routes

import os
from flask import Blueprint, jsonify, send_from_directory, session

from config import DATABASE, VOICES
from auth import login_required, get_current_user

main_bp = Blueprint('main', __name__)


@main_bp.route('/')
@login_required
def index():
    """Serve main application page."""
    return send_from_directory('templates', 'index.html')


@main_bp.route('/static/<path:filename>')
def serve_static(filename):
    """Serve static files."""
    return send_from_directory('static', filename)


@main_bp.route('/api/voices', methods=['GET'])
@login_required
def get_voices():
    """Get available TTS voices."""
    return jsonify({'voices': VOICES})


@main_bp.route('/api/stats', methods=['GET'])
@login_required
def get_stats():
    """Get database statistics."""
    from db import get_db
    
    db = get_db()
    cursor = db.cursor()
    
    cursor.execute('SELECT COUNT(*) as count FROM projects')
    project_count = cursor.fetchone()['count']
    
    cursor.execute('SELECT COUNT(*) as count FROM chapters')
    chapter_count = cursor.fetchone()['count']
    
    cursor.execute('SELECT COUNT(*) as count FROM markdown_blocks')
    block_count = cursor.fetchone()['count']
    
    cursor.execute('SELECT COUNT(*) as count FROM pdf_documents')
    pdf_count = cursor.fetchone()['count']
    
    db_size = os.path.getsize(DATABASE) if os.path.exists(DATABASE) else 0
    
    return jsonify({
        'projects': project_count,
        'chapters': chapter_count,
        'blocks': block_count,
        'pdf_documents': pdf_count,
        'database_size_mb': round(db_size / (1024 * 1024), 2)
    })