feat: Add NaliiaBot API

src/naliiabotapi/api/dependencies.py

@@ -0,0 +1,16 @@
+
+import os
+from src.naliiabot.bot.agent.agent import Agent
+from src.naliiabot.bot.factories.llm_factory import LLMFactory
+
+MODEL_NAME = os.getenv("LLM_MODEL", "anthropic")
+
+def get_agent():
+    """
+    Dependency function to get an instance of the Agent class.
+
+    Returns:
+        Agent: An instance of the Agent class.
+    """
+    model = LLMFactory(MODEL_NAME).get_model()
+    return Agent(model=model)

src/naliiabotapi/api/v1/endpoints/chat.py

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+from fastapi import APIRouter, Depends
+from ...dependencies import get_agent
+from langchain_core.messages import HumanMessage
+
+router = APIRouter()
+
+@router.post("/chat")
+def chat(messages: dict, agent = Depends(get_agent)):
+    """
+    Simulate a chat response based on the input message.
+
+    Args:
+        message (str): The input message from the user.
+
+    Returns:
+        dict: A dictionary containing the response message.
+    """
+
+    messages = [HumanMessage(content=messages["messages"])] 
+    response_message = agent.invoke({"messages": messages})
+    
+    return {"response": response_message}

src/naliiabotapi/main.py

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+from fastapi import FastAPI
+from src.naliiabotapi.api.v1.endpoints.chat import router as chat_router
+
+app = FastAPI(
+    title="NaliiaBot API",
+    description="API for NaliiaBot, a chatbot that provides customer service and related topics.",
+    version="1.0.0"
+)
+
+app.include_router(chat_router)
+
+@app.get("/")
+def read_root():
+    return {"Hello": "World"}
+
+@app.get("/health")
+def health_check():
+    return {"status": "ok"}