import { describe, it, expect } from './runner.js?v=4';
import { state, parseTags, sortedCards, getChildren, getGroupCards, getRecent, markRecent, getFavorites, toggleFavorite, isFavorite } from '../../js/modules/state.js';

describe('State: parseTags', () => {
    it('splits comma-separated tags', () => {
        expect(parseTags({ tags: 'alpha,beta,gamma' })).toEqual(['alpha', 'beta', 'gamma']);
    });

    it('handles empty tags', () => {
        expect(parseTags({ tags: '' })).toEqual([]);
        expect(parseTags({ tags: null })).toEqual([]);
        expect(parseTags({})).toEqual([]);
    });

    it('handles single tag', () => {
        expect(parseTags({ tags: 'solo' })).toEqual(['solo']);
    });

    it('handles hierarchical tags', () => {
        expect(parseTags({ tags: 'parent/child,other' })).toEqual(['parent/child', 'other']);
    });
});

describe('State: getChildren / getGroupCards', () => {
    it('getChildren returns child cards', () => {
        const parent = state.cards.find(c => {
            return state.cards.some(ch => ch.parent_id == c.id);
        });
        if (!parent) return; // no groups
        const children = getChildren(parent.id);
        expect(children.length).toBeGreaterThan(0);
        for (const ch of children) expect(ch.parent_id).toBe(parent.id);
    });

    it('getChildren returns empty for non-parent', () => {
        const orphan = state.cards.find(c => !c.parent_id && !state.cards.some(ch => ch.parent_id == c.id));
        if (!orphan) return;
        expect(getChildren(orphan.id).length).toBe(0);
    });

    it('getGroupCards returns parent + children', () => {
        const parent = state.cards.find(c => state.cards.some(ch => ch.parent_id == c.id));
        if (!parent) return;
        const group = getGroupCards(parent);
        expect(group.length).toBeGreaterThan(1);
        expect(group[0].id).toBe(parent.id);
    });

    it('getGroupCards returns null for solo card', () => {
        const solo = state.cards.find(c => !c.parent_id && !state.cards.some(ch => ch.parent_id == c.id));
        if (!solo) return;
        expect(getGroupCards(solo)).toBe(null);
    });
});

describe('State: Recent Cards', () => {
    it('markRecent adds card to recent list', () => {
        const id = 99999;
        markRecent(id);
        expect(getRecent()).toContain(String(id));
        // Clean up
        const r = getRecent().filter(i => i != id);
        localStorage.setItem('hyprcrd-recent', JSON.stringify(r));
    });

    it('markRecent puts card at front', () => {
        markRecent(88881);
        markRecent(88882);
        const r = getRecent();
        expect(r[0]).toBe('88882');
        expect(r[1]).toBe('88881');
        // Clean up
        const cleaned = r.filter(i => i != '88881' && i != '88882');
        localStorage.setItem('hyprcrd-recent', JSON.stringify(cleaned));
    });

    it('markRecent deduplicates', () => {
        markRecent(77771);
        markRecent(77772);
        markRecent(77771);
        const r = getRecent();
        const count = r.filter(i => i == '77771').length;
        expect(count).toBe(1);
        expect(r[0]).toBe('77771');
        const cleaned = r.filter(i => i != '77771' && i != '77772');
        localStorage.setItem('hyprcrd-recent', JSON.stringify(cleaned));
    });

    it('markRecent caps at 10', () => {
        for (let i = 0; i < 15; i++) markRecent(60000 + i);
        expect(getRecent().length).toBeLessThan(12);
        const cleaned = getRecent().filter(i => parseInt(i) < 60000 || parseInt(i) > 60020);
        localStorage.setItem('hyprcrd-recent', JSON.stringify(cleaned));
    });
});

describe('State: Favorites', () => {
    it('toggleFavorite adds and removes', () => {
        const id = 55555;
        const wasFav = isFavorite(id);
        toggleFavorite(id);
        expect(isFavorite(id)).toBe(!wasFav);
        toggleFavorite(id);
        expect(isFavorite(id)).toBe(wasFav);
    });

    it('isFavorite returns boolean', () => {
        expect(typeof isFavorite(1)).toBe('boolean');
    });

    it('getFavorites returns array', () => {
        expect(Array.isArray(getFavorites())).toBe(true);
    });
});