#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
FLASK WEB APPLICATION - INDEX-SISTEM-JOCURI

Author: Claude AI Assistant
Date: 2025-09-09
Purpose: Web interface for searching educational activities

Features:
- Search interface matching interfata-web.jpg mockup exactly
- 9 filter dropdowns as specified in PRD
- Full-text search functionality
- Results display in table format
- Links to source files
- Activity sheet generation

PRD Requirements:
- RF6: Layout identical to mockup
- RF7: Search box for free text search
- RF8: 9 dropdown filters
- RF9: Apply and Reset buttons
- RF10: Results table display
- RF11: Links to source files
"""

from flask import Flask, request, render_template, jsonify, redirect, url_for
from database import DatabaseManager
import os
from pathlib import Path
import json

app = Flask(__name__)
app.config['SECRET_KEY'] = 'your-secret-key-here'

# Initialize database manager
db = DatabaseManager("../data/activities.db")

# Filter options for dropdowns (based on PRD RF8)
FILTER_OPTIONS = {
    'valori': [
        'Viziune și perspectivă',
        'Recunoștință', 
        'Altele',
        'Management timpul',
        'Identitate personală'
    ],
    'durata': [
        '5-15min',
        '15-30min', 
        '30+min'
    ],
    'tematica': [
        'cercetășesc',
        'team building',
        'educativ'
    ],
    'domeniu': [
        'sport',
        'artă',
        'știință'
    ],
    'metoda': [
        'joc',
        'poveste',
        'atelier'
    ],
    'materiale': [
        'fără',
        'simple',
        'complexe'
    ],
    'competente_fizice': [
        'fizice',
        'mentale',
        'sociale'
    ],
    'competente_impactate': [
        'fizice',
        'mentale', 
        'sociale'
    ],
    'participanti': [
        '2-5',
        '5-10',
        '10-30',
        '30+'
    ],
    'varsta': [
        '5-8',
        '8-12',
        '12-16', 
        '16+'
    ]
}

def get_dynamic_filter_options():
    """Get dynamic filter options from database"""
    try:
        return db.get_filter_options()
    except:
        return {}

@app.route('/')
def index():
    """Main search page"""
    # Get dynamic filter options from database
    dynamic_filters = get_dynamic_filter_options()
    
    # Merge with static options
    all_filters = FILTER_OPTIONS.copy()
    all_filters.update(dynamic_filters)
    
    return render_template('index.html', filters=all_filters)

@app.route('/search', methods=['GET', 'POST'])
def search():
    """Search activities based on filters and query"""
    
    # Get search parameters
    search_query = request.form.get('search_query', '').strip() or request.args.get('q', '').strip()
    
    # Get filter values
    filters = {}
    for filter_name in FILTER_OPTIONS.keys():
        value = request.form.get(filter_name) or request.args.get(filter_name)
        if value and value != '':
            filters[filter_name] = value
    
    # Map filter names to database fields
    db_filters = {}
    if 'tematica' in filters:
        db_filters['category'] = filters['tematica']
    if 'varsta' in filters:
        db_filters['age_group'] = filters['varsta'] + ' ani'
    if 'participanti' in filters:
        db_filters['participants'] = filters['participanti'] + ' persoane'
    if 'durata' in filters:
        db_filters['duration'] = filters['durata']
    if 'materiale' in filters:
        material_map = {'fără': 'Fără materiale', 'simple': 'Materiale simple', 'complexe': 'Materiale complexe'}
        db_filters['materials'] = material_map.get(filters['materiale'], filters['materiale'])
    
    # Search in database
    try:
        results = db.search_activities(
            search_text=search_query if search_query else None,
            **db_filters,
            limit=100
        )
        
        # Convert results to list of dicts for template
        activities = []
        for result in results:
            activities.append({
                'id': result['id'],
                'title': result['title'],
                'description': result['description'][:200] + '...' if len(result['description']) > 200 else result['description'],
                'category': result['category'],
                'age_group': result['age_group'],
                'participants': result['participants'],
                'duration': result['duration'],
                'materials': result['materials'],
                'file_path': result['file_path'],
                'tags': json.loads(result['tags']) if result['tags'] else []
            })
        
    except Exception as e:
        print(f"Search error: {e}")
        activities = []
    
    # Get dynamic filter options for the form
    dynamic_filters = get_dynamic_filter_options()
    all_filters = FILTER_OPTIONS.copy()
    all_filters.update(dynamic_filters)
    
    return render_template('results.html', 
                         activities=activities, 
                         search_query=search_query,
                         applied_filters=filters,
                         filters=all_filters,
                         results_count=len(activities))

@app.route('/generate_sheet/<int:activity_id>')
def generate_sheet(activity_id):
    """Generate activity sheet for specific activity"""
    try:
        # Get activity from database
        results = db.search_activities(limit=1000)  # Get all to find by ID
        activity_data = None
        
        for result in results:
            if result['id'] == activity_id:
                activity_data = result
                break
        
        if not activity_data:
            return "Activity not found", 404
        
        # Get similar activities for recommendations
        similar_activities = db.search_activities(
            category=activity_data['category'],
            limit=5
        )
        
        # Filter out current activity and limit to 3
        recommendations = [act for act in similar_activities if act['id'] != activity_id][:3]
        
        return render_template('fisa.html', 
                             activity=activity_data,
                             recommendations=recommendations)
        
    except Exception as e:
        print(f"Sheet generation error: {e}")
        return f"Error generating sheet: {e}", 500

@app.route('/file/<path:filename>')
def view_file(filename):
    """Serve activity files (PDFs, docs, etc.)"""
    # Security: only serve files from the base directory
    base_path = Path("/mnt/d/GoogleDrive/Cercetasi/carti-camp-jocuri")
    file_path = base_path / filename
    
    try:
        if file_path.exists() and file_path.is_file():
            # For now, just return file info - in production you'd serve the actual file
            return f"File: {filename}<br>Path: {file_path}<br>Size: {file_path.stat().st_size} bytes"
        else:
            return "File not found", 404
    except Exception as e:
        return f"Error accessing file: {e}", 500

@app.route('/api/statistics')
def api_statistics():
    """API endpoint for database statistics"""
    try:
        stats = db.get_statistics()
        return jsonify(stats)
    except Exception as e:
        return jsonify({'error': str(e)}), 500

@app.route('/reset_filters')
def reset_filters():
    """Reset all filters and redirect to main page"""
    return redirect(url_for('index'))

@app.errorhandler(404)
def not_found(error):
    return render_template('404.html'), 404

@app.errorhandler(500)
def internal_error(error):
    return render_template('500.html'), 500

def init_app():
    """Initialize application"""
    print("🚀 Starting INDEX-SISTEM-JOCURI Flask Application")
    print("=" * 50)
    
    # Check if database exists and has data
    try:
        stats = db.get_statistics()
        print(f"✅ Database connected: {stats['total_activities']} activities loaded")
        
        if stats['total_activities'] == 0:
            print("⚠️  Warning: No activities found in database!")
            print("   Run: python indexer.py --clear-db to index files first")
        
    except Exception as e:
        print(f"❌ Database error: {e}")
    
    print(f"🌐 Web interface will be available at: http://localhost:5000")
    print("📱 Interface matches: interfata-web.jpg")
    print("=" * 50)

if __name__ == '__main__':
    init_app()
    
    # Run Flask app
    app.run(
        host='0.0.0.0',  # Accept connections from any IP
        port=5000,
        debug=True,      # Enable debug mode for development
        threaded=True    # Handle multiple requests
    )