from flask import Flask, jsonify, request
import random
import datetime
import platform
import os
import math

app = Flask(__name__)

@app.route('/')
def home():
    return jsonify({
        'api': 'Python Flask Tools API',
        'version': '1.0.0',
        'description': 'A practical API with useful endpoints for testing and development',
        'endpoints': {
            '/': 'API information',
            '/time': 'Current timestamp',
            '/random': 'Random data and quotes',
            '/health': 'Health check',
            '/calc': 'Mathematical calculations',
            '/info': 'System information'
        },
        'examples': {
            'time': '/time',
            'random': '/random',
            'calc': '/calc?operation=add&a=5&b=3',
            'health': '/health'
        }
    })

@app.route('/time')
def get_time():
    return jsonify({
        'current_time': datetime.datetime.now().isoformat(),
        'timestamp': datetime.datetime.now().timestamp(),
        'timezone': 'UTC',
        'date': datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
    })

@app.route('/random')
def get_random():
    quotes = [
        'The only way to do great work is to love what you do. - Steve Jobs',
        'Life is what happens to you while you are busy making other plans. - John Lennon',
        'The future belongs to those who believe in the beauty of their dreams. - Eleanor Roosevelt',
        'It is during our darkest moments that we must focus to see the light. - Aristotle',
        'The only impossible journey is the one you never begin. - Tony Robbins',
        'In the middle of difficulty lies opportunity. - Albert Einstein',
        'Success is not final, failure is not fatal: it is the courage to continue that counts. - Winston Churchill',
        'The way to get started is to quit talking and begin doing. - Walt Disney'
    ]
    
    return jsonify({
        'quote': random.choice(quotes),
        'number': random.randint(1, 100),
        'boolean': random.choice([True, False]),
        'list_item': random.choice(['apple', 'banana', 'cherry', 'date', 'elderberry']),
        'uuid': str(random.randint(1000, 9999)) + '-' + str(random.randint(100, 999)),
        'color': random.choice(['#FF6B6B', '#4ECDC4', '#45B7D1', '#96CEB4', '#FFEAA7'])
    })

@app.route('/health')
def health_check():
    return jsonify({
        'status': 'healthy',
        'uptime': 'running',
        'service': 'Python Flask Tools API',
        'timestamp': datetime.datetime.now().isoformat()
    }), 200

@app.route('/calc')
def calculate():
    try:
        operation = request.args.get('operation', 'add')
        a = float(request.args.get('a', 0))
        b = float(request.args.get('b', 0)) if request.args.get('b') is not None else None
        
        operations = {
            'add': lambda x, y: x + y,
            'subtract': lambda x, y: x - y,
            'multiply': lambda x, y: x * y,
            'divide': lambda x, y: x / y if y != 0 else 'Cannot divide by zero',
            'power': lambda x, y: x ** y,
            'sqrt': lambda x, y: math.sqrt(x) if b is None else 'Only one parameter needed for sqrt',
            'modulo': lambda x, y: x % y
        }
        
        if operation not in operations:
            return jsonify({
                'error': f'Operation {operation} not supported',
                'available_operations': list(operations.keys())
            }), 400
        
        result = operations[operation](a, b)
        
        return jsonify({
            'operation': operation,
            'a': a,
            'b': b,
            'result': result,
            'calculation': f"{a} {operation} {b} = {result}"
        })
        
    except ValueError:
        return jsonify({'error': 'Invalid numbers provided. Use /calc?operation=add&a=5&b=3'}), 400
    except Exception as e:
        return jsonify({'error': str(e)}), 500

@app.route('/info')
def system_info():
    return jsonify({
        'python_version': platform.python_version(),
        'platform': platform.platform(),
        'processor': platform.processor(),
        'hostname': platform.node(),
        'machine': platform.machine(),
        'current_directory': os.getcwd(),
        'environment': {
            'HOSTNAME': os.getenv('HOSTNAME', 'N/A'),
            'POD_NAME': os.getenv('POD_NAME', 'N/A')
        }
    })

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5000, debug=False)