seeder.js

const fs = require('fs');
const mongoose = require('mongoose');
const colors = require('colors');
const dotenv = require('dotenv');

//Load env vars
dotenv.config({path: './config/config.env'});

//Load models
const Bootcamp = require('./models/Bootcamp');
const Course = require('./models/Course');
const User = require('./models/User');
const Review = require('./models/Review')



//Connect DB
mongoose.connect(process.env.MONGO_URI, {
    useNewUrlParser: true,
    useCreateIndex: true,
    useFindAndModify: false,
    useUnifiedTopology: true
});

//Read JSON files
const bootcamp = JSON.parse(fs.readFileSync(`${__dirname}/_data/bootcamps.json`, 'utf-8'));

const courses = JSON.parse(fs.readFileSync(`${__dirname}/_data/courses.json`, 'utf-8'));

const users = JSON.parse(fs.readFileSync(`${__dirname}/_data/users.json`, 'utf-8'));

const reviews = JSON.parse(fs.readFileSync(`${__dirname}/_data/reviews.json`, 'utf-8'));





//Import into DB
const importData = async () =>{
    try{
        await Bootcamp.create(bootcamp);
        await Course.create(courses);
        await User.create(users);
        await Review.create(reviews);

        console.log('Data Imported.....'.green.inverse);
        process.exit();
    }catch(err){
        console.error(err);
        
    }
}

//Delete data
const deleteData = async () =>{
    try{
        await Bootcamp.deleteMany();
        await Course.deleteMany();
        await User.deleteMany();
        await Review.deleteMany();

        console.log('Data Destroyed.....'.red.inverse);
        process.exit();
    }catch(err){
        console.error(err);
        
    }
}

if(process.argv[2] === '-i'){
    importData();
}else if(process.argv[2] === '-d'){
    deleteData();
}