const express = require("express");
const OpenApiValidator = require("express-openapi-validator");
const app = express();
const port = 3000;
const cors = require("cors")

//// Swagger
const swaggerUi = require("swagger-ui-express");
const YAML = require("yaml");
const fs = require("fs");

const file = fs.readFileSync("./open_api.yaml", "utf8");
const swaggerDocument = YAML.parse(file);

// Serve the swagger ui
app.use("/docs", swaggerUi.serve, swaggerUi.setup(swaggerDocument));

// use cors middleware
app.use(cors())

    
// Validator
app.use(express.json())
app.use(
    OpenApiValidator.middleware({
        apiSpec: './open_api.yaml',
        validateResponses: true
    })
);

app.use((err, req, res, next) => {
    res.status(err.status || 500).json ({
        code: err.status,
        message: err.message,
        additionalPropl: err.errors,
    });
});


// Routes
app.use(express.json());
app.use(express.urlencoded({ extended: true }))

app.use( express.static( __dirname + '/frontend'))


const accountsRoute = require("./routes/accounts");
const transactionsRoute = require("./routes/transactions");
const resetRoute = require("./routes/reset")
const { sse } = require("./sse")

const basepath = "/api/v1";

app.use(`${basepath}/accounts`, accountsRoute);
app.use(`${basepath}/transactions`, transactionsRoute);
app.use(`${basepath}/`, resetRoute.router);

app.get("/live", sse)


app.get("/", (req, res) => {
    res.sendFile( path.join( __dirname, 'client', 'index.html'))
});

app.listen(port, () => {
    console.log(`App listening on port ${port}`);
});