import { ribbit } from './setup';

const r = ribbit();

const macros = [
    {
        name: 'user',
        toHTML: () => '<a href="/user">TestUser</a>',
        selector: 'A[href="/user"]',
        toMarkdown: () => '@user',
    },
    {
        name: 'npc',
        toHTML: ({ keywords }: any) => {
            const name = keywords.join(' ');
            return '<a href="/NPC/' + name.replace(/ /g, '') + '">' + name + '</a>';
        },
        selector: 'A[href^="/NPC/"]',
        toMarkdown: (el: any) => '@npc(' + el.textContent + ')',
    },
    {
        name: 'style',
        toHTML: ({ keywords, content }: any) => '<div class="' + keywords.join(' ') + '">' + (content || '') + '</div>',
        selector: 'DIV[class]',
        toMarkdown: (el: any, convert: any) => '\n\n@style(' + el.className + '\n' + convert.children(el) + '\n)\n\n',
    },
    {
        name: 'toc',
        toHTML: ({ params }: any) => '<aside class="toc" data-depth="' + (params.depth || '3') + '"></aside>',
    },
];

const h = new r.HopDown({ macros });
const H = (md: string) => h.toHTML(md);
const M = (html: string) => h.toMarkdown(html);

describe('Macros', () => {
    describe('self-closing', () => {
        it('bare name', () => expect(H('hello @user world')).toBe('<p>hello <a href="/user">TestUser</a> world</p>'));
        it('empty parens', () => expect(H('hello @user() world')).toBe('<p>hello <a href="/user">TestUser</a> world</p>'));
        it('keywords', () => expect(H('@npc(Goblin King)')).toBe('<p><a href="/NPC/GoblinKing">Goblin King</a></p>'));
        it('params', () => expect(H('@toc(depth="2")')).toContain('data-depth="2"'));
    });

    describe('unknown macros', () => {
        it('renders error', () => expect(H('@bogus')).toContain('ribbit-error'));
        it('shows name', () => expect(H('@bogus')).toContain('@bogus'));
        it('block error', () => expect(H('@bogus(args\ncontent\n)')).toContain('ribbit-error'));
    });

    it('email not matched', () => expect(H('user@example.com')).toBe('<p>user@example.com</p>'));

    describe('block macros', () => {
        it('content processed', () => expect(H('@style(box\n**bold**\n)')).toContain('<strong>bold</strong>'));
        it('wraps in div', () => expect(H('@style(box\ncontent\n)')).toContain('<div class="box">'));
        it('multiple keywords', () => expect(H('@style(box center\ncontent\n)')).toContain('class="box center"'));
    });

    describe('verbatim', () => {
        it('skips markdown', () => expect(H('@style(box verbatim\n**bold**\n)')).toContain('**bold**'));
        it('no strong tag', () => expect(H('@style(box verbatim\n**bold**\n)')).not.toContain('<strong>'));
        it('escapes html', () => expect(H('@style(box verbatim\n<b>tag</b>\n)')).toContain('&lt;b&gt;'));
        it('preserves newlines', () => expect(H('@style(box verbatim\nline1\nline2\n)')).toContain('line1<br>'));
        it('strips keyword', () => expect(H('@style(box verbatim\ncontent\n)')).not.toContain('verbatim'));
    });

    describe('nesting', () => {
        it('inline inside bold', () => expect(H('**@npc(Goblin King)**')).toContain('<strong><a href="/NPC/GoblinKing">'));
        it('block contains list', () => expect(H('@style(box\n- item 1\n- item 2\n)')).toContain('<ul>'));
        it('inline inside block', () => expect(H('@style(box\nhello @user world\n)')).toContain('<a href="/user">TestUser</a>'));
    });

    describe('fenced code protection', () => {
        it('not in code block', () => expect(H('```\n@user\n```')).not.toContain('<a href="/user">'));
        it('literal in code block', () => expect(H('```\n@user\n```')).toContain('@user'));
        it('not in inline code', () => expect(H('`@user`')).not.toContain('<a href="/user">'));
    });

    describe('round-trips', () => {
        it('npc', () => expect(M(H('@npc(Goblin King)'))).toBe('@npc(Goblin King)'));
        it('user', () => expect(M(H('hello @user world'))).toBe('hello @user world'));
    });
});