Initial commits

backend/main.py

@@ -0,0 +1,55 @@
+# D:\GNPL-Private\TimeCraft\backend\main.py
+
+import os
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from dotenv import load_dotenv # For loading environment variables
+
+from app.api import endpoints # Import your API router
+
+# Load environment variables from the .env file.
+# This should be called early in your application's lifecycle.
+load_dotenv()
+
+# Initialize the FastAPI application instance
+# Add additional metadata for professional API documentation
+app = FastAPI(
+    title="AI-Powered Schedule and Task Planning Backend",
+    description="FastAPI backend for ingesting user tasks, using an LLM for intelligent scheduling, and returning structured schedules.",
+    version="1.0.0",
+    docs_url="/docs",       # Enable interactive API documentation (Swagger UI)
+    redoc_url="/redoc",     # Enable ReDoc documentation
+    openapi_url="/openapi.json" # Specify the OpenAPI schema URL
+)
+
+# Configure CORS (Cross-Origin Resource Sharing) middleware.
+# This is crucial for allowing your React frontend (running on a different port/domain)
+# to make requests to your FastAPI backend.
+origins = [
+    os.getenv("FRONTEND_URL", "http://localhost:3000"),  # Get frontend URL from .env, default to React's development port
+    # Add other origins if your frontend is deployed elsewhere or has multiple access points
+    # e.g., "https://your-production-frontend.com",
+    # "http://localhost:8080" # If testing with another local frontend setup
+]
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,          # List of allowed origins
+    allow_credentials=True,         # Allow cookies and authentication headers to be sent
+    allow_methods=["*"],            # Allow all HTTP methods (GET, POST, PUT, DELETE, etc.)
+    allow_headers=["*"],            # Allow all headers in the request
+)
+
+# Include the API router defined in app.api.endpoints.
+# All routes defined in endpoints.py will be prefixed with "/api/v1".
+app.include_router(endpoints.router, prefix="/api/v1")
+
+# Define a root endpoint for basic health check or welcome message
+@app.get("/", summary="Root Endpoint", description="Provides a welcome message for the API.")
+async def root():
+    """
+    Root endpoint for the API.
+    Returns a simple welcome message to indicate the API is running.
+    """
+    return {"message": "Welcome to the AI-Powered Schedule and Task Planning API! Access docs at /docs"}
+