#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Root routes and static file serving for SPA in production.

These were originally defined in the top-level app.py. Moving them into the
package allows a clean WSGI entry (wsgi:app) without importing app.py.
"""

from datetime import datetime
from flask import Blueprint, current_app, send_from_directory

root_bp = Blueprint('root', __name__)


@root_bp.route('/')
def index():
    try:
        return send_from_directory('/app/static', 'index.html')
    except Exception:
        # Fallback API info when frontend is not present
        return {
            'application': 'PANJIT Document Translator',
            'version': '1.0.0',
            'status': 'running',
            'api_base_url': '/api/v1',
            'note': 'Frontend files not found, serving API info'
        }


@root_bp.route('/<path:path>')
def serve_static(path):
    try:
        return send_from_directory('/app/static', path)
    except Exception:
        # SPA fallback
        return send_from_directory('/app/static', 'index.html')


@root_bp.route('/api')
def api_info():
    return {
        'api_version': 'v1',
        'base_url': '/api/v1',
        'endpoints': {
            'auth': '/api/v1/auth',
            'files': '/api/v1/files',
            'jobs': '/api/v1/jobs',
            'admin': '/api/v1/admin',
            'health': '/api/v1/health'
        },
        'documentation': 'Available endpoints provide RESTful API for document translation'
    }


@root_bp.route('/api/health')
def health_check():
    # Keep a simple health endpoint here for compatibility
    return {
        'status': 'healthy',
        'timestamp': datetime.utcnow().isoformat(),
        'service': 'PANJIT Document Translator API',
        'version': '1.0.0'
    }, 200