const express = require('express');
const { requireAuth, requireAdmin } = require('../auth');
const { LayaRequestError, LayaService } = require('../services/layaService');

const router = express.Router();
const laya = new LayaService();

function sendError(res, error) {
    const status = error instanceof LayaRequestError ? error.statusCode : 500;
    const message = error instanceof LayaRequestError ? error.message : 'Internal server error';
    res.status(status).json({ runtimeAvailable: false, error: message });
}

router.get('/status', requireAuth, async (req, res) => {
    res.json(await laya.status());
});

router.post('/model/download', requireAuth, requireAdmin, async (req, res) => {
    try {
        res.json(await laya.downloadModel(req.body?.model));
    } catch (error) {
        sendError(res, error);
    }
});

router.delete('/model', requireAuth, requireAdmin, async (req, res) => {
    try {
        res.json(await laya.deleteModel());
    } catch (error) {
        sendError(res, error);
    }
});

router.post('/language/batch', requireAuth, async (req, res) => {
    try {
        res.json(await laya.detectBatch(req.body));
    } catch (error) {
        sendError(res, error);
    }
});

module.exports = router;