import asyncio
import json
import aiohttp
import pytest
from main import create_app, load_config


@pytest.fixture
async def app():
    config = load_config()
    config["proxy_port"] = 8546  # Use different port for testing
    app = create_app(config)
    return app


@pytest.fixture
async def client(app, aiohttp_client):
    return await aiohttp_client(app)


async def test_http_proxy_getBalance(client):
    """Test basic HTTP RPC request"""
    request_data = {
        "jsonrpc": "2.0",
        "id": 1,
        "method": "getBalance",
        "params": ["11111111111111111111111111111112"]  # System program ID
    }
    
    async with client.post('/', json=request_data) as response:
        assert response.status == 200
        data = await response.json()
        
        assert data["jsonrpc"] == "2.0"
        assert data["id"] == 1
        assert "result" in data or "error" in data
        assert "_provider" in data
        assert data["_provider"] != "proxy_error"


async def test_cache_functionality(client):
    """Test that responses are cached"""
    request_data = {
        "jsonrpc": "2.0",
        "id": 1,
        "method": "getBalance",
        "params": ["11111111111111111111111111111112"]
    }
    
    # First request
    async with client.post('/', json=request_data) as response:
        data1 = await response.json()
        provider1 = data1["_provider"]
        cached1 = data1["_cached"]
    
    # Second request (should be cached)
    async with client.post('/', json=request_data) as response:
        data2 = await response.json()
        provider2 = data2["_provider"]
        cached2 = data2["_cached"]
    
    # First request shouldn't be cached, second should be
    assert not cached1
    assert cached2
    assert provider2 == "cache"



async def test_invalid_json_request(client):
    """Test invalid JSON handling"""
    async with client.post('/', data="invalid json") as response:
        assert response.status == 400
        data = await response.json()
        
        assert "error" in data
        assert data["error"]["code"] == -32700


async def test_missing_method(client):
    """Test missing method handling"""
    request_data = {
        "jsonrpc": "2.0",
        "id": 1,
        "params": []
    }
    
    async with client.post('/', json=request_data) as response:
        assert response.status == 400
        data = await response.json()
        
        assert "error" in data
        assert data["error"]["code"] == -32600


async def test_websocket_connection(client):
    """Test WebSocket connection establishment"""
    try:
        async with client.ws_connect('/ws') as ws:
            # Send a simple subscription request
            subscribe_request = {
                "jsonrpc": "2.0",
                "id": 1,
                "method": "accountSubscribe",
                "params": [
                    "11111111111111111111111111111112",
                    {"encoding": "jsonParsed"}
                ]
            }
            
            await ws.send_str(json.dumps(subscribe_request))
            
            # Wait for response (with timeout)
            try:
                msg = await asyncio.wait_for(ws.receive(), timeout=10.0)
                if msg.type == aiohttp.WSMsgType.TEXT:
                    response = json.loads(msg.data)
                    assert "result" in response or "error" in response
                    if "_provider" in response:
                        assert response["_provider"] != "proxy_error"
                
            except asyncio.TimeoutError:
                # WebSocket might timeout if providers are unavailable
                # This is acceptable for the test
                pass
    
    except Exception as e:
        # WebSocket connection might fail if no providers are available
        # This is acceptable for testing environment
        pytest.skip(f"WebSocket test skipped due to provider unavailability: {e}")


if __name__ == "__main__":
    # Run tests manually if executed directly
    import sys
    
    async def run_tests():
        config = load_config()
        config["proxy_port"] = 8546
        app = create_app(config)
        
        # Start the application
        runner = aiohttp.web.AppRunner(app)
        await runner.setup()
        site = aiohttp.web.TCPSite(runner, 'localhost', config["proxy_port"])
        await site.start()
        
        print(f"Test server started on port {config['proxy_port']}")
        
        try:
            # Simple manual test
            async with aiohttp.ClientSession() as session:
                request_data = {
                    "jsonrpc": "2.0",
                    "id": 1,
                    "method": "getBalance",
                    "params": ["11111111111111111111111111111112"]
                }
                
                async with session.post(
                    f"http://localhost:{config['proxy_port']}/",
                    json=request_data
                ) as response:
                    data = await response.json()
                    print("Response:", json.dumps(data, indent=2))
                    
                # Test second request (should be cached)
                async with session.post(
                    f"http://localhost:{config['proxy_port']}/",
                    json=request_data
                ) as response:
                    cached_data = await response.json()
                    print("Cached response:", json.dumps(cached_data, indent=2))
                    
        except Exception as e:
            print(f"Test error: {e}")
        
        finally:
            await runner.cleanup()
    
    asyncio.run(run_tests())