import { describe, expect, it } from 'vitest';
import {
    parseServerName,
    t5ZombieMapBySlug,
    T5_ZOMBIE_MAPS
} from '../../src/lib/server/fleet/map-aliases.js';

describe('parseServerName (new naming: t5_<mode>_<slug>_<n>)', () => {
    it('extracts game, mode, slug, canonical, and lobby from a T5 zombie name', () => {
        expect(parseServerName('t5_zombie_cosmodrome_1')).toEqual({
            game: 't5',
            gameMode: 'zombie',
            mapSlug: 'cosmodrome',
            mapCanonical: 'zombie_cosmodrome',
            lobby: 1
        });
        expect(parseServerName('t5_zombie_theater_2')).toEqual({
            game: 't5',
            gameMode: 'zombie',
            mapSlug: 'theater',
            mapCanonical: 'zombie_theater',
            lobby: 2
        });
        expect(parseServerName('t5_zombie_coast_1')).toEqual({
            game: 't5',
            gameMode: 'zombie',
            mapSlug: 'coast',
            mapCanonical: 'zombie_coast',
            lobby: 1
        });
    });

    it('joins multi-segment slugs and matches the catalog', () => {
        // 'shinonuma' is written in-catalog as one word, so a name with
        // separators still resolves via join-without-separators lookup.
        expect(parseServerName('t5_zombie_shi_no_numa_1')).toEqual({
            game: 't5',
            gameMode: 'zombie',
            mapSlug: 'shinonuma',
            mapCanonical: 'zombie_cod5_sumpf',
            lobby: 1
        });
    });

    it('treats an absent lobby number as null', () => {
        expect(parseServerName('t5_zombie_moon')).toEqual({
            game: 't5',
            gameMode: 'zombie',
            mapSlug: 'moon',
            mapCanonical: 'zombie_moon',
            lobby: null
        });
    });

    it('returns mapCanonical=null for unknown slugs so operators can spot the gap', () => {
        expect(parseServerName('t5_zombie_newmap_1')).toEqual({
            game: 't5',
            gameMode: 'zombie',
            mapSlug: 'newmap',
            mapCanonical: null,
            lobby: 1
        });
    });

    it('parses legacy names without a mode segment (mode=null)', () => {
        // Not the new format, but a name like 't5_theater_1' still returns
        // meaningful info so the seeder can surface it during migration.
        const parsed = parseServerName('t5_theater_1');
        expect(parsed).toEqual({
            game: 't5',
            gameMode: null,
            mapSlug: 'theater',
            mapCanonical: 'zombie_theater',
            lobby: 1
        });
    });

    it('rejects names with fewer than two segments', () => {
        expect(parseServerName('t5')).toBeNull();
        expect(parseServerName('')).toBeNull();
    });
});

describe('t5ZombieMapBySlug', () => {
    it('resolves each catalog slug to its canonical + friendly', () => {
        for (const entry of T5_ZOMBIE_MAPS) {
            const found = t5ZombieMapBySlug(entry.slug);
            expect(found?.canonical).toBe(entry.canonical);
            expect(found?.friendly).toBe(entry.friendly);
        }
    });

    it('is case-insensitive', () => {
        expect(t5ZombieMapBySlug('COSMODROME')?.canonical).toBe('zombie_cosmodrome');
    });

    it('every catalog entry canonical starts with zombie', () => {
        for (const entry of T5_ZOMBIE_MAPS) {
            expect(entry.canonical.startsWith('zombie')).toBe(true);
        }
    });
});