"""
AmkyawDev AI Agent - Gradio Interface
Simple chat interface for AI code generation
"""

import gradio as gr
from typing import Iterator, List

# System prompt for the AI
SYSTEM_PROMPT = """You are an expert AI Developer Agent.
You help users write code, debug issues, and explain programming concepts.
Provide clean, well-documented code with explanations."""

# Chat history
chat_history: List[dict] = []


def predict(message: str, history: List[list]) -> Iterator[str]:
    """Process user message and generate response"""
    global chat_history
    
    # Add user message to history
    history.append([message, None])
    
    # Simple responses for demo (in production, connect to AI model)
    responses = [
        "I've analyzed your request. Here's what I can help you with:\n\n"
        "1. **Code Generation** - Tell me what you want to build\n"
        "2. **Debugging** - Share your code and I'll find the issue\n"
        "3. **Explanations** - Ask me about any programming concept\n\n"
        "What would you like me to help you with?",
        
        "## Available Commands\n\n"
        "- `Create a [type] app` - Generate a new application\n"
        "- `Fix this code` - Debug your code\n"
        "- `Explain [topic]` - Teach you something new\n"
        "- `Refactor [code]` - Improve existing code",
        
        "## Getting Started\n\n"
        "Try these examples:\n"
        "1. 'Create a Python calculator'\n"
        "2. 'Build a REST API with FastAPI'\n"
        "3. 'Write a web scraper in Python'\n\n"
        "I'm ready to help! 🚀",
    ]
    
    # Rotate through responses
    response = responses[len(history) % len(responses)]
    
    # Yield response token by token (simulated streaming)
    for word in response.split():
        yield word + " "
        history[-1][1] = word + " "
    
    chat_history.append({"role": "user", "content": message})
    chat_history.append({"role": "assistant", "content": response})


# Create Gradio interface
with gr.Blocks(
    title="AmkyawDev AI Agent",
    theme=gr.themes.Soft(),
    css="""
    .gradio-container {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    }
    .message {
        background: rgba(255,255,255,0.1) !important;
        border-radius: 12px;
    }
    """
) as demo:
    gr.Markdown("""
    # 🤖 AmkyawDev AI Agent
    
    Your AI-powered developer assistant
    
    ---
    """)
    
    chat = gr.Chatbot(
        placeholder="Ask me anything about coding...",
        show_label=False,
        bubble_full_width=False,
        height=500,
    )
    
    with gr.Row():
        msg = gr.Textbox(
            placeholder="Type your message here...",
            show_label=False,
            scale=4,
        )
        submit = gr.Button("Send", variant="primary", scale=1)
    
    gr.Examples(
        examples=[
            ["Create a Python calculator"],
            ["Build a REST API with FastAPI"],
            ["Write a web scraper in Python"],
            ["Explain React hooks"],
        ],
        inputs=msg,
    )
    
    # Event handlers
    submit_event = submit.click(
        predict,
        inputs=[msg, chat],
        outputs=[chat],
    )
    submit_event = msg.submit(
        predict,
        inputs=[msg, chat],
        outputs=[chat],
    )
    # Clear input after submission
    msg.submit(lambda: "", None, msg)

# Launch the app
demo.launch()