import express, {Application, Request, Response} from 'express';
import cors from 'cors';
import  {ENV} from './config/env';
import {connectDB, readyState} from './config/db';
import authRoutes from './routes/authRoutes';  
import todoRoutes from './routes/todoRoutes';

const app: Application = express()

app.use(cors ())
app.use(express.json())

app.get('/health', (_req: Request, res: Response)=> {
    res.json({
        status: 'ok',
        environment: ENV.NODE_ENV,
        timestamp: new Date().toISOString(),
    });
});

//for checking database connection

app.get('/health/db', (_req: Request, res: Response)=> {
    res.json({
        db_status: readyState(),
        environment: ENV.NODE_ENV,
        timestamp: new Date().toISOString()
    })
});


//api routes
app.use('/api/auth', authRoutes);
app.use('/api/todos', todoRoutes);



//start Server

const start = async (): Promise<void> => {
    await connectDB();
    app.listen(ENV.PORT, () => {
        console.log(`Server running on port ${ENV.PORT}`)
    });
};

start();