import { Signale } from 'signale';
import ConfigHandler from './assets/configHandler';
import express, { Request, Response } from 'express';
import * as Eta from 'eta';
import { PrismaClient } from '@prisma/client';
import { Status, Category } from '@prisma/client';
import * as Path from 'path';
import * as fs from 'fs';
import routes from './routes/index.js'

// Get app directory.
const __path = process.argv[1];

const logger_settings = {
	disabled: false,
	logLevel: 'info',
	scope: 'Core',
	stream: process.stdout,
	displayFilename: true
};

const coreLogger = new Signale(logger_settings);
const log = {
	core: coreLogger,
	db: coreLogger.scope('DB'),
	web: coreLogger.scope('WEB')
};

// Create a new config instance.
const config = new ConfigHandler(__path + '/config.json', {
	db_connection_string: 'mysql://USER:PASSWORD@HOST:3306/DATABASE',
	http_listen_address: '127.0.0.1',
	http_port: 3000
});

const prisma = new PrismaClient({
	datasources: {
		db: {
			url: config.global.db_connection_string
		}
	}
});

const app = express();

app.get('/dev/fillWithDemoData', (req, res) => {
	// fill database with demo data
	prisma.StorageBuilding.create({
		data: {
			name: "Test Storage Building",
			street: "Test Street",
			houseNumber: "1",
			zipCode: "12345",
			city: "Test City",
			country: "Test Country",
		}
	}).then(() => {
		prisma.StorageLocation.create({
			data: {
				name: "Test Storage Location",
				StorageBuilding: {
					connect: {
						id: 1
					}
				}
			}
		}).then(() => {
			prisma.item
			.create({
				data: {
					SKU: 'ee189749',
					Amount: 1,
					name: 'Test Item',
					manufacturer: 'Test Manufacturer',
					category: Category.Other,
					status: Status.normal,
					storageLocation: {
						connect: {
							id: 1
						}
					},
				}
			})
			.then(() => {
				res.send('Demo data added');
			})
			.catch((err) => {
				res.send('Error adding demo data: ' + err);
			});
		})
	})
	res.send('Demo data added (not)');
});

app.get('/:id', (req, res) => {
	// retrieve data from database using id from url
	prisma.item
		.findFirst({
			where: {
				SKU: req.params.id
			}
		})
		.then((item) => {
			if (item) {
				Eta.renderFile(__path + '/src/frontend/publicInfoPage.eta.html', item).then((html) => {
					res.send(html);
				});
			} else {
				res.send('Item not found');
			}
		});
});

// Load from allowsStaticPaths.json file
const allowedURLs: Array<string> = JSON.parse(fs.readFileSync("allowedStaticPaths.json", "utf8")).allowedStaticFiles;
const recordedURLs: Array<string> = [];
const debugMode: boolean = JSON.parse(fs.readFileSync("allowedStaticPaths.json", "utf8")).debugMode;

app.use('/static/*', function handleModuleFiles(req: Request, res: Response) {
	if(debugMode) {
		res.sendFile(Path.join(__dirname, 'node_modules', req.params[0]));
		recordedURLs.push(req.params[0]);
		log.web.debug(recordedURLs);
	} else {
		if (allowedURLs.indexOf(req.params[0]) > -1) {
			res.sendFile(Path.join(__dirname, 'node_modules', req.params[0]));
		} else {
			log.web.warn('Attempt to access restricted asset file ' + req.params[0]);
			res.status(403).json({ status: 'error', reason: 'Access to restricted asset file denied' });
		}
	}
	// console.log(recordedURLs)
});

routes(app);

app.listen(config.global.http_port, config.global.http_listen_address, () => {
	log.web.info(`Listening at http://${config.global.http_listen_address}:${config.global.http_port}`);
});