app.js

// Voluntime app
const fs = require("fs");
const express = require("express");
const cors = require("cors");
const session = require("express-session");
const PgSimple = require("connect-pg-simple")(session);

// Import .env
require("dotenv").config();

const { pool } = require("./src/db");
const { authenticated } = require("./src/middleware");
const auth = require("./src/auth");
const interaction = require("./src/interaction");
const post = require("./src/post");
const attendance = require("./src/attendance");
const user = require("./src/user");

const initSql = fs.readFileSync("./db/schema.sql").toString();
const app = express();

const port = process.env.PORT || 8080;
const COOKIE_DOMAIN = process.env.COOKIE_DOMAIN || "localhost";
const COOKIE_SECRET  = process.env.COOKIE_SECRET || "voluntime";
const CORS_ORIGIN = process.env.CORS_ORIGIN || "http://localhost:3000"

app.use(cors({
    origin: CORS_ORIGIN,
    credentials: true
}));

// Dev cookie config
const cookieConfig = {
    maxAge: 86400000,
    domain: COOKIE_DOMAIN,
};

app.set("trust proxy", 1);

app.use(express.json());

app.use(session({
    secret: COOKIE_SECRET,
    name: "sess_id",
    store: new PgSimple({
        pool,
        createTableIfMissing: true
    }),
    cookie: cookieConfig, // cookie expires in 24hr
    saveUninitialized: false,
    resave: false
}));

// User routes
app.get("/v1/users", authenticated, user.getAllUsers);
app.get("/v1/user/:username", authenticated, user.getUser);

// Post routes
app.get("/v1/posts", authenticated, post.getAllPosts);
app.post("/v1/post", authenticated, post.createPost);
app.delete("/v1/post", authenticated, post.deletePost);

// Interaction routes
app.post("/v1/interaction/like", authenticated, interaction.likePost);
app.post("/v1/interaction/volunteer", authenticated, interaction.volunteer);

// Verify attendance
app.post("/v1/verifyAttendance", authenticated, attendance.verifyAttendance);
app.get("/v1/volunteers/:postid", authenticated, attendance.volunteers);


// Auth routes
app.post("/v1/login", auth.login);
app.post("/v1/signup", auth.signup);
app.post("/v1/logout", authenticated, auth.logout);

// TEST - session route
app.get("/session", (req, res, next) => {
    if (req.session.views) {
       req.session.views++;
       res.send(req.session);
    } else {
        req.session.views = 1;
        res.send(req.session);
    }
});

// Global err catchall
app.use((err, req, res, next) => {
    res.status(500).json({
        err: err.reason || err.toString()
    })
});

// Ensure all tables are loaded
pool.query(initSql, (err, res) => {
    app.listen(port, () => {
        console.log("Listening on port " + port);
    });
})