const express = require('express');
const path = require('path');

const enemies = require('../data/enemies.json');
const spells = require('./static/spells');
const items = require('../data/items');
const exp = require('../data/exp');

const app = express();

app.set('view engine', 'pug');
app.set('views', path.join(__dirname, 'views'));
app.set('cache views', true);

app.use(express.static(path.join(__dirname)));

const render = (res, view, params) => {
	res.render(view, {
		...params,
		charSpells: spells.spells.concat([]).sort((a, b) => {
			if (a.power && !b.power) {
				return -1;
			}
			if (!a.power && b.power) {
				return 1;
			}

			if (a.power === b.power) {
				return a.name.localeCompare(b.name);
			}

			return a.power < b.power ? -1 : 1;
		}),
		charWeapons: items.weapons.concat([]).sort((a, b) => {
			if (a.attack === b.attack) {
				return a.name.localeCompare(b.name);
			}
			return a.attack === b.attack ? 0 : (a.attack < b.attack ? -1 : 1);
		}),
		charArmor: items.armor.concat([]).sort((a, b) => {
			if (a.defense === b.defense) {
				return a.name.localeCompare(b.name);
			}
			return a.defense === b.defense ? 0 : (a.defense < b.defense ? -1 : 1);
		}),
		charAccessories: items.accessories.concat([]).sort((a, b) => {
			if (a.defense === b.defense) {
				return a.name.localeCompare(b.name);
			}
			return a.defense === b.defense ? 0 : (a.defense < b.defense ? -1 : 1);
		}),
	});
}

app.get([ '/', '/index.html' ], (req, res) => {
	render(res, 'enemies', {
		context: 'enemies',
		enemies,
	});
});

app.get('/spells.html', (req, res) => {
	render(res, 'spells', {
		context: 'spells',
		spells: spells.spells.sort((a, b) => a.name.localeCompare(b.name)),
	});
});

app.get('/exp.html', (req, res) => {
	render(res, 'exp', {
		context: 'exp',
		exp: exp.exp,
	});
});

app.get('/weapons.html', (req, res) => {
	render(res, 'weapons', {
		context: 'weapons',
		weapons: items.weapons.sort((a, b) => {
			if (a.attack === b.attack) {
				return a.name.localeCompare(b.name);
			}
			return a.attack === b.attack ? 0 : (a.attack < b.attack ? -1 : 1 );
		})
	});
});

app.get('/armor.html', (req, res) => {
	render(res, 'armor', {
		context: 'armor',
		armor: items.armor.sort((a, b) => {
			if (a.defense === b.defense) {
				return a.name.localeCompare(b.name);
			}
			return a.defense === b.defense ? 0 : (a.defense < b.defense ? -1 : 1)
		},),
	});
});

app.get('/accessories.html', (req, res) => {
	render(res, 'accessories', {
		context: 'accessories',
		accessories: items.accessories,
	});
});

app.get('/items.html', (req, res) => {
	render(res, 'items', {
		context: 'items',
		items: items.items,
	});
});

app.get('/levels.html', (req, res) => {
	render(res, 'levels', {
		context: 'levels',
	});
});

const port = process.env.PORT || 18000;

const server = app.listen(port, () => {
	const addr = server.address();
	console.log(`listening on ${addr.address}:${addr.port}`);
});