🗨️ NLP Character Chatbot

A Flask-based chatbot that allows users to chat with fictional or real-world characters using Google's Gemini API. The app features a simple web interface where users can enter a character's name once and then engage in continuous conversation.

🚀 Features

• 🌟 Chat with any character of your choice
• 💬 Simple web-based interface
• 📏 Limits response length for concise conversations
• ☁️ Easily deployable to Render

📂 Project Structure

📁 nlp-character-chatbot
│── 📁 templates
│   └── index.html          # Web interface for the chatbot
│── app.py                  # Flask application
│── requirements.txt        # Dependencies
│── render.yaml (optional)  # Render deployment config
│── README.md               # Project documentation

🛠️ Installation & Setup

🔹 Prerequisites

Ensure you have Python 3.8+ installed on your machine.

🔹 Clone the Repository

git clone https://github.com/Swaraj-sync/ChatChar.git
cd ChatChar

🔹 Install Dependencies

pip install -r requirements.txt

🔹 Set Up API Key

You need a valid Google Gemini API Key to run the chatbot. Set it as an environment variable:

export GEMINI_API_KEY="your_gemini_api_key"

For Windows (Command Prompt):

set GEMINI_API_KEY=your_gemini_api_key

🔹 Run the Flask App

python app.py

The app will be available at http://127.0.0.1:5000.

🌍 Deploying to Render

🔹 Steps

1. Push your code to GitHub/GitLab.
2. Log in to Render and create a new web service.
3. Connect your repository.
4. Set up the environment variable GEMINI_API_KEY.
5. Configure build and start commands:
   • Build Command: pip install -r requirements.txt
   • Start Command: gunicorn app:app
6. Deploy and get a public URL!

🔎 API Usage

You can also test the chatbot via cURL or Postman:

curl -X POST -H "Content-Type: application/json" \
     -d '{"character_name":"Sherlock Holmes","user_input":"How do you solve a case?"}' \
     (https://chatchar-fuzu.onrender.com/)

🏗️ Future Improvements

✅ Add chat history feature
✅ Improve response formatting
✅ Enhance UI with Bootstrap/Tailwind

🤝 Contributing

Feel free to fork this repository, make improvements, and submit a pull request. Contributions are welcome!