{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "1877ad68",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import requests\n",
    "from openai import OpenAI\n",
    "import gradio as gr\n",
    "from dotenv import load_dotenv  \n",
    "import google.generativeai as genai\n",
    "from IPython.display import Markdown, display, update_display\n",
    "load_dotenv(override=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "008056a2",
   "metadata": {},
   "outputs": [],
   "source": [
    "openai_api_key = os.getenv('OPENAI_API_KEY')\n",
    "google_api_key = os.getenv('GOOGLE_API_KEY')\n",
    "\n",
    "if openai_api_key:\n",
    "    print(f'OpenAi api key exists and its starts with {openai_api_key[:3]}')\n",
    "else:\n",
    "    print(\"OpenAi api key doesn't exist\")\n",
    "\n",
    "if google_api_key:\n",
    "    print('Google api key exists')\n",
    "else:\n",
    "    print(\"Google api key doesn't exist\")\n",
    "\n",
    "OPENAI_MODEL = \"gpt-4o-mini\"\n",
    "GOOGLE_MODEL = \"gemini-1.5-flash\"\n",
    "\n",
    "openai = OpenAI()\n",
    "\n",
    "genai.configure()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5013ed7b",
   "metadata": {},
   "outputs": [],
   "source": [
    "system_msg = \"\"\"\n",
    "You are CodeCopilot, an adaptive AI coding assistant that helps users solve problems in any programming language.\n",
    "Always provide correct, runnable, and well-formatted code with clear explanations.\n",
    "Adjust your style based on the user’s expertise: for beginners, break concepts down step by step with simple examples and commented code;\n",
    "for advanced users, deliver concise, production-ready, optimized solutions with best practices and trade-off insights.\n",
    "Ask clarifying questions when requirements are ambiguous, highlight pitfalls and edge cases,\n",
    "and act as a collaborative pair programmer or mentor whose goal is to help users learn, build, and ship high-quality code efficiently.\n",
    "\"\"\"\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "35c480a1",
   "metadata": {},
   "outputs": [],
   "source": [
    "def create_prompt(prompt, history):\n",
    "    messages = [{\"role\": \"system\", \"content\": system_msg}]\n",
    "\n",
    "    # history is a list of (user_msg, assistant_msg) tuples\n",
    "    for user_msg, assistant_msg in history:\n",
    "        if user_msg:\n",
    "            messages.append({\"role\": \"user\", \"content\": user_msg})\n",
    "        if assistant_msg:\n",
    "            messages.append({\"role\": \"assistant\", \"content\": assistant_msg})\n",
    "\n",
    "    # new user prompt\n",
    "    messages.append({\"role\": \"user\", \"content\": prompt})\n",
    "    return messages"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5dfbecd0",
   "metadata": {},
   "outputs": [],
   "source": [
    "def openai_agent(prompt, history):\n",
    "    openai.api_key = openai_api_key\n",
    "    messages = create_prompt(prompt, history)\n",
    "    response = openai.chat.completions.create(\n",
    "        model=OPENAI_MODEL,\n",
    "        messages=messages,\n",
    "        stream=True\n",
    "    )\n",
    "    sent_any = False\n",
    "    for chunk in response:\n",
    "        delta = chunk.choices[0].delta\n",
    "        if delta and delta.content:\n",
    "            sent_any = True\n",
    "            yield delta.content\n",
    "    if not sent_any:\n",
    "        yield \"(no response)\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "535f7e3d",
   "metadata": {},
   "outputs": [],
   "source": [
    "def gemini_agent(prompt, history):\n",
    "    genai.configure(api_key=google_api_key)\n",
    "\n",
    "    # reuse OpenAI-style messages\n",
    "    messages = create_prompt(prompt, history)\n",
    "\n",
    "    gemini_history = []\n",
    "    for m in messages:\n",
    "        # Gemini does NOT support system role\n",
    "        if m[\"role\"] == \"system\":\n",
    "            continue\n",
    "        gemini_history.append({\n",
    "            \"role\": m[\"role\"],\n",
    "            \"parts\": [m[\"content\"]]\n",
    "        })\n",
    "    prompt_with_system = f\"{system_msg}\\n\\n{prompt}\"\n",
    "    model = genai.GenerativeModel(GOOGLE_MODEL)\n",
    "    chat = model.start_chat(history=gemini_history)\n",
    "\n",
    "    response = chat.send_message(prompt_with_system, stream=True)\n",
    "    for chunk in response:\n",
    "        if chunk and getattr(chunk, \"text\", None):\n",
    "            yield chunk.text\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "21f61ff0",
   "metadata": {},
   "outputs": [],
   "source": [
    "def chat_agent(prompt, history, modelType):\n",
    "    if modelType == \"OpenAI\":\n",
    "        for token in openai_agent(prompt, history):\n",
    "            yield token\n",
    "    else:\n",
    "        for token in gemini_agent(prompt, history):\n",
    "            yield token\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "56686c1d",
   "metadata": {},
   "outputs": [],
   "source": [
    "def chat_fn(prompt, history, model):\n",
    "    assistant_response = \"\"\n",
    "    for token in chat_agent(prompt, history, model):\n",
    "        assistant_response += token\n",
    "        yield assistant_response \n",
    "\n",
    "# -------------------------------------------------------------------\n",
    "# UI\n",
    "# -------------------------------------------------------------------\n",
    "with gr.Blocks() as demo:\n",
    "    model_choice = gr.Radio([\"OpenAI\", \"Gemini\"], value=\"OpenAI\", label=\"Model\")\n",
    "\n",
    "    chat_ui = gr.ChatInterface(\n",
    "        fn=chat_fn,\n",
    "        additional_inputs=[model_choice],\n",
    "        title=\"CodeCopilot\",\n",
    "        description=\"An adaptive AI coding assistant that helps developers build and ship high-quality code.\"\n",
    "    )\n",
    "\n",
    "demo.launch()"
   ]
  }
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