app.js

// Import dependencies
import express from "express";
import dotenv from "dotenv";
import cors from "cors";
import path from "path";
import { fileURLToPath } from "url";
import connectDB from "./config/db.js";
import swaggerJsdoc from "swagger-jsdoc";
import swaggerUi from "swagger-ui-express";

// Initialize environment variables
dotenv.config();

// Initialize Express app
const app = express();

// Connect to MongoDB
connectDB();
const PORT = process.env.PORT || 5000;

// Middleware
app.use(express.json()); // Parse JSON data in requests
app.use(cors()); // Enable Cross-Origin Resource Sharing
app.use(express.urlencoded({ extended: true })); // Parse URL-encoded data

// Determine __dirname for ES module compatibility
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

// Import routes
import movieRoutes from "./routes/movieRoutes.js";
import authRoutes from "./routes/authRoutes.js";

const swaggerOptions = {
  definition: {
    openapi: "3.0.0",
    info: {
      title: "Movie Streaming API",
      version: "1.0.0",
      description: "API for movie streaming and downloading",
      contact: {
        name: "Developer Name",
        email: "developer@example.com",
      },
    },
    servers: [
      {
        // url: process.env.BASE_URL || `http://localhost:${PORT}`,
        url:
          "https://movie-express-app.vercel.app/" ,
        description: "Production server",
      },
    ],
    components: {
      securitySchemes: {
        bearerAuth: {
          type: "http",
          scheme: "bearer",
          bearerFormat: "JWT",
        },
      },
    },
    security: [{ bearerAuth: [] }],
  },
  apis: [path.join(__dirname, "routes/*.js")],
};

// Swagger setup
const swaggerDocs = swaggerJsdoc(swaggerOptions);
app.use("/api-docs", cors(), swaggerUi.serve, swaggerUi.setup(swaggerDocs));
// Use routes
app.use("/api/movies", movieRoutes);
app.use("/api/auth", authRoutes);

// Static files for uploads (if needed for local testing)
app.use("/uploads", express.static(path.join(__dirname, "uploads")));

// Default Route
app.get("/", (req, res) => {
  res.send("Welcome to the Movie Streaming App API!");
});

// Error Handling Middleware
app.use((err, req, res, next) => {
  console.error(err.stack);
  res.status(500).json({ error: "Something went wrong!" });
});

// Set Port and Start Server
app.listen(PORT, () => {
  console.log(`Server is running on port ${PORT}`);
  console.log(`Swagger docs available at http://localhost:${PORT}/api-docs`);
});