import { describe, it, expect, vi, afterEach } from 'vitest';
import {
    commentQzoneMsg,
    deleteQzoneMsg,
    getQzoneFeeds,
    getQzoneMsgList,
    mapFeeds,
    mapMsgList,
    parseQzoneJson,
    publishQzoneMsg,
    setQzoneLike,
} from '@snowluma/protocol/web/qzone';
import { RequestUtil } from '@snowluma/protocol/web/request-util';

// The 说说 list comes from taotao.qzone.qq.com's emotion_cgi_msglist_v6 CGI,
// proxied through h5.qzone.qq.com. The body is JSONP (`_preloadCallback({…})`)
// so we pin both the JSONP-stripping and the field renames (created_time→time,
// cmtnum→comment_num, secret→is_private, pic→largest-url images), plus the
// auth-failure throw contract — these are the only real logic in an otherwise
// thin HTTP port and would be invisible end-to-end if they regressed.

const cookies = { p_skey: 'PSK', skey: 'SK', uin: 'o10000', p_uin: 'o10000' };
const expectedGtk = (() => {
    let h = 5381;

    for (const c of 'PSK') {
        h += (h << 5) + c.charCodeAt(0);
    }

    return (h & 0x7fffffff).toString();
})();

describe('qzone / parseQzoneJson', () => {
    it('parses a raw JSON body', () => {
        expect(parseQzoneJson<{ a: number }>('{"a":1}')).toEqual({ a: 1 });
    });

    it('strips a JSONP callback wrapper', () => {
        expect(parseQzoneJson<{ a: number }>('_preloadCallback({"a":1});')).toEqual({ a: 1 });
    });

    it('throws on a non-object body (HTML error page)', () => {
        expect(() => parseQzoneJson('<html>nope</html>')).toThrow(
            'invalid response from qzone api',
        );
    });
});

describe('qzone / mapMsgList', () => {
    it('renames fields, flags private, and picks the largest pic url', () => {
        const out = mapMsgList({
            code: 0,
            total: 42,
            msglist: [
                {
                    tid: 'T1',
                    content: 'hello',
                    created_time: 1700000000,
                    cmtnum: 3,
                    secret: 0,
                    pic: [{ url1: 'a', url2: 'b', url3: 'c' }],
                },
                {
                    tid: 'T2',
                    content: 'secret one',
                    created_time: 1700000050,
                    cmtnum: 0,
                    secret: 1,
                },
            ],
        });
        expect(out).toEqual({
            total: 42,
            msglist: [
                {
                    tid: 'T1',
                    content: 'hello',
                    time: 1700000000,
                    comment_num: 3,
                    is_private: false,
                    images: ['c'],
                },
                {
                    tid: 'T2',
                    content: 'secret one',
                    time: 1700000050,
                    comment_num: 0,
                    is_private: true,
                    images: [],
                },
            ],
        });
    });

    it('falls back to list length when total is absent and tolerates missing fields', () => {
        const out = mapMsgList({ msglist: [{ tid: 'T1' }] });
        expect(out).toEqual({
            total: 1,
            msglist: [
                { tid: 'T1', content: '', time: 0, comment_num: 0, is_private: false, images: [] },
            ],
        });
    });
});

describe('qzone / getQzoneMsgList (HTTP layer)', () => {
    afterEach(() => vi.restoreAllMocks());

    it('GETs the exact proxied url + params and maps the JSONP body', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue(
                '_preloadCallback({"code":0,"total":1,"msglist":[{"tid":"T1","content":"hi","created_time":1700000000,"cmtnum":2,"secret":0,"pic":[{"url1":"a","url3":"c"}]}]});',
            );

        const out = await getQzoneMsgList(cookies, '10000', 0, 20);

        expect(out).toEqual({
            total: 1,
            msglist: [
                {
                    tid: 'T1',
                    content: 'hi',
                    time: 1700000000,
                    comment_num: 2,
                    is_private: false,
                    images: ['c'],
                },
            ],
        });

        const [url, method, body, headers] = spy.mock.calls[0]!;
        expect(method).toBe('GET');
        expect(body).toBe('');
        expect((headers as Record<string, string>).Cookie).toContain('p_skey=PSK');
        expect(url).toContain(
            'https://h5.qzone.qq.com/proxy/domain/taotao.qzone.qq.com/cgi-bin/emotion_cgi_msglist_v6?',
        );
        const q = new URLSearchParams((url as string).split('?')[1]);
        expect(q.get('uin')).toBe('10000');
        expect(q.get('pos')).toBe('0');
        expect(q.get('num')).toBe('20');
        expect(q.get('g_tk')).toBe(expectedGtk);
        expect(q.get('format')).toBe('jsonp');
    });

    it('retries via the user.qzone.qq.com route on a -10000 rate-limit', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValueOnce('{"code":-10000,"message":"使用人数过多，请稍后再试"}')
            .mockResolvedValueOnce(
                '{"code":0,"total":1,"msglist":[{"tid":"T1","content":"hi","created_time":1700000000,"cmtnum":0,"secret":0,"pic":[]}]}',
            );

        const out = await getQzoneMsgList(cookies, '10000', 0, 20);

        expect(out).toEqual({
            total: 1,
            msglist: [
                {
                    tid: 'T1',
                    content: 'hi',
                    time: 1700000000,
                    comment_num: 0,
                    is_private: false,
                    images: [],
                },
            ],
        });

        expect(spy).toHaveBeenCalledTimes(2);
        expect(spy.mock.calls[0]![0]).toContain(
            'https://h5.qzone.qq.com/proxy/domain/taotao.qzone.qq.com/',
        );
        const [retryUrl, , , retryHeaders] = spy.mock.calls[1]!;
        expect(retryUrl).toContain(
            'https://user.qzone.qq.com/proxy/domain/taotao.qq.com/cgi-bin/emotion_cgi_msglist_v6?',
        );
        expect((retryHeaders as Record<string, string>).Referer).toBe(
            'https://user.qzone.qq.com/10000',
        );
        const q = new URLSearchParams((retryUrl as string).split('?')[1]);
        expect(q.get('format')).toBe('json');
        expect(q.get('g_tk')).toBe(expectedGtk);
    });

    it('returns an empty list (not a throw) for a genuinely empty space', async () => {
        // The throw-on-auth-failure contract hinges on distinguishing a missing
        // msglist (cookie failure → throw) from an empty msglist (no 说说 → []).
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0,"total":0,"msglist":[]}');
        await expect(getQzoneMsgList(cookies, '10000')).resolves.toEqual({ total: 0, msglist: [] });
    });

    it('propagates a transport error instead of swallowing it', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockRejectedValue(
            new Error('Unexpected status code: 403'),
        );
        await expect(getQzoneMsgList(cookies, '10000')).rejects.toThrow('403');
    });

    it('throws on a non-zero qzone code (auth/permission), not an empty list', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '{"code":-3000,"message":"need login","subcode":0}',
        );
        await expect(getQzoneMsgList(cookies, '10000')).rejects.toThrow('code=-3000');
    });

    it('throws when msglist is absent (cookie failure), not an empty list', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0,"total":0}');
        await expect(getQzoneMsgList(cookies, '10000')).rejects.toThrow('无法获取空间说说列表');
    });
});

describe('qzone / mapFeeds', () => {
    it('maps structured fields, prefers key over feedskey, and reads has_more', () => {
        const out = mapFeeds({
            code: 0,
            data: {
                hasmore: 1,
                data: [
                    {
                        uin: 12345,
                        nickname: 'Alice',
                        abstime: 1700000000,
                        appid: 311,
                        key: 'K1',
                        html: '<div>a</div>',
                    },
                    {
                        uin: '67890',
                        nickname: 'Bob',
                        abstime: '1700000050',
                        appid: '4',
                        feedskey: 'FK2',
                        html: '<div>b</div>',
                    },
                ],
            },
        });
        expect(out).toMatchObject({
            has_more: true,
            feeds: [
                {
                    uin: 12345,
                    nickname: 'Alice',
                    time: 1700000000,
                    appid: 311,
                    key: 'K1',
                    html: '<div>a</div>',
                },
                {
                    uin: 67890,
                    nickname: 'Bob',
                    time: 1700000050,
                    appid: 4,
                    key: 'FK2',
                    html: '<div>b</div>',
                },
            ],
        });
    });

    it('tolerates missing fields and empty data', () => {
        expect(mapFeeds({ code: 0, data: { hasmore: 0, data: [] } })).toEqual({
            feeds: [],
            has_more: false,
            next_cursor: null,
        });
    });
});

describe('qzone / getQzoneFeeds (HTTP layer)', () => {
    afterEach(() => vi.restoreAllMocks());

    it('GETs the exact feeds url + params and maps the JSONP body', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue(
                '_preloadCallback({"code":0,"data":{"main":{"hasMoreFeeds":true,"pagenum":"2","externparam":"page=2","begintime":"1699999999"},"data":[{"uin":12345,"nickname":"Alice","abstime":1700000000,"appid":311,"key":"K1","html":"<div>a</div>"}]}});',
            );

        const out = await getQzoneFeeds(cookies, '10000', 1, 10);

        expect(out).toMatchObject({
            has_more: true,
            feeds: [
                {
                    uin: 12345,
                    nickname: 'Alice',
                    time: 1700000000,
                    appid: 311,
                    key: 'K1',
                    html: '<div>a</div>',
                },
            ],
        });

        const [url, method, body, headers] = spy.mock.calls[0]!;
        expect(method).toBe('GET');
        expect(body).toBe('');
        expect((headers as Record<string, string>).Cookie).toContain('p_skey=PSK');
        // Routed through the h5.qzone proxy gateway (NOT ic2 directly), because
        // the qzone.qq.com cookie jar only authenticates against the proxy origin.
        expect(url).toContain(
            'https://h5.qzone.qq.com/proxy/domain/ic2.qzone.qq.com/cgi-bin/feeds/feeds3_html_more?',
        );
        const q = new URLSearchParams((url as string).split('?')[1]);
        expect(q.get('uin')).toBe('10000');
        expect(q.get('pagenum')).toBe('1');
        expect(q.get('count')).toBe('10');
        expect(q.get('g_tk')).toBe(expectedGtk);
        // The request asks for JSONP — pin it so the JSONP-bodied response above
        // actually exercises the requested format (not just the tolerant parser).
        expect(q.get('format')).toBe('jsonp');
    });

    it('returns an empty list (not a throw) for a genuinely empty feed', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '_preloadCallback({"code":0,"data":{"data":[],"hasmore":0}});',
        );
        await expect(getQzoneFeeds(cookies, '10000')).resolves.toEqual({
            feeds: [],
            has_more: false,
            next_cursor: null,
        });
    });

    it('throws on a non-zero qzone code', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '_preloadCallback({"code":-3000,"message":"need login"});',
        );
        await expect(getQzoneFeeds(cookies, '10000')).rejects.toThrow('code=-3000');
    });

    it('throws when the data array is absent (cookie failure), not an empty list', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '_preloadCallback({"code":0,"data":{}});',
        );
        await expect(getQzoneFeeds(cookies, '10000')).rejects.toThrow('无法获取空间好友动态');
    });
});

describe('qzone / publishQzoneMsg (HTTP layer)', () => {
    afterEach(() => vi.restoreAllMocks());

    it('POSTs a form-urlencoded body and reads the real t1_tid/t1_time (string) success fields', async () => {
        // The real publish_v6 success envelope names the new feed id `t1_tid`
        // and the post time `t1_time` (a STRING) — reading `tid`/`now` would
        // false-throw on every successful publish.
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"t1_tid":"NEWTID","t1_time":"1700000000"}');

        const out = await publishQzoneMsg(cookies, '10000', 'hello 世界 & friends');

        expect(out).toEqual({ tid: 'NEWTID', time: 1700000000 });

        const [url, method, body, headers] = spy.mock.calls[0]!;
        expect(method).toBe('POST');
        expect(url).toBe(
            `https://h5.qzone.qq.com/proxy/domain/taotao.qzone.qq.com/cgi-bin/emotion_cgi_publish_v6?g_tk=${expectedGtk}`,
        );
        const h = headers as Record<string, string>;
        expect(h['Content-Type']).toBe('application/x-www-form-urlencoded');
        expect(h.Cookie).toContain('p_skey=PSK');
        // form body carries the content (urlencoded, incl. the `&`) and host uin
        const form = new URLSearchParams(body as string);
        expect(form.get('con')).toBe('hello 世界 & friends');
        expect(form.get('hostuin')).toBe('10000');
        expect(form.get('who')).toBe('1');
        expect(form.get('ugc_right')).toBe('1');
        expect(form.has('allow_uins')).toBe(false);
        expect(form.get('format')).toBe('json');
        expect(form.get('qzreferrer')).toBe('https://user.qzone.qq.com/10000');
    });

    it('threads image richType/richval into the publish form', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"t1_tid":"NEWTID","t1_time":"1700000000"}');
        const richval = ',12345,abc,abc,22,800,600,,800,600\t,12346,def,def,22,640,480,,640,480';

        await publishQzoneMsg(cookies, '10000', 'with images', 1, richval);

        const form = new URLSearchParams(spy.mock.calls[0]![2] as string);
        expect(form.get('richtype')).toBe('1');
        expect(form.get('richval')).toBe(richval);
    });

    it('threads publish permission fields for restricted visibility', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"t1_tid":"RIGHTTID","t1_time":"1700000000"}');

        await expect(
            publishQzoneMsg(
                cookies,
                '10000',
                'limited',
                undefined,
                undefined,
                16,
                '10001 | 10002|10001',
            ),
        ).resolves.toEqual({
            tid: 'RIGHTTID',
            time: 1700000000,
        });

        const [, , body] = spy.mock.calls[0]!;
        const form = new URLSearchParams(body as string);
        expect(form.get('ugc_right')).toBe('16');
        expect(form.get('allow_uins')).toBe('10001|10002');
        expect(form.get('who')).toBe('1');
    });

    it('ignores target_uins for non-restricted visibility', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"t1_tid":"FRIENDTID","t1_time":"1700000000"}');

        await expect(
            publishQzoneMsg(cookies, '10000', 'friends', undefined, undefined, 4, 'not-a-uin'),
        ).resolves.toEqual({
            tid: 'FRIENDTID',
            time: 1700000000,
        });

        const [, , body] = spy.mock.calls[0]!;
        const form = new URLSearchParams(body as string);
        expect(form.get('ugc_right')).toBe('4');
        expect(form.has('allow_uins')).toBe(false);
    });

    it('falls back to tid/now for alternate client builds', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '{"code":0,"tid":"ALT","now":1700000001}',
        );
        await expect(publishQzoneMsg(cookies, '10000', 'hi')).resolves.toEqual({
            tid: 'ALT',
            time: 1700000001,
        });
    });

    it('rejects empty content before any request', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText');
        await expect(publishQzoneMsg(cookies, '10000', '')).rejects.toThrow('content is required');
        expect(spy).not.toHaveBeenCalled();
    });

    it('rejects incomplete publish rich params before any request', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText');
        await expect(publishQzoneMsg(cookies, '10000', 'hi', 1)).rejects.toThrow(
            'richType and richval',
        );
        await expect(publishQzoneMsg(cookies, '10000', 'hi', undefined, ',123')).rejects.toThrow(
            'richType and richval',
        );
        expect(spy).not.toHaveBeenCalled();
    });

    it('rejects restricted visibility without target_uins before any request', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText');
        await expect(
            publishQzoneMsg(cookies, '10000', 'hi', undefined, undefined, 128),
        ).rejects.toThrow('target_uins is required');
        expect(spy).not.toHaveBeenCalled();
    });

    it('throws on a non-zero qzone code (rejected/rate-limited)', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '{"code":-10000,"message":"too frequent"}',
        );
        await expect(publishQzoneMsg(cookies, '10000', 'hi')).rejects.toThrow('code=-10000');
    });

    it('throws when the success body carries no feed id (neither t1_tid nor tid)', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0,"t1_time":"1700000000"}');
        await expect(publishQzoneMsg(cookies, '10000', 'hi')).rejects.toThrow('缺少 tid');
    });
});

describe('qzone / deleteQzoneMsg (HTTP layer)', () => {
    afterEach(() => vi.restoreAllMocks());

    it('POSTs the tid form body (format=fs) to the proxied delete CGI and resolves on code 0', async () => {
        // NB: the success-body shape is a guess extrapolated from sibling CGIs —
        // no public delete impl parses the response — so this mock pins our
        // success contract, not a verified server envelope (see helper comment).
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"subcode":0,"message":""}');

        await expect(deleteQzoneMsg(cookies, '10000', 'TID123')).resolves.toBeUndefined();

        const [url, method, body, headers] = spy.mock.calls[0]!;
        expect(method).toBe('POST');
        expect(url).toBe(
            `https://h5.qzone.qq.com/proxy/domain/taotao.qzone.qq.com/cgi-bin/emotion_cgi_delete_v6?g_tk=${expectedGtk}`,
        );
        const h = headers as Record<string, string>;
        expect(h['Content-Type']).toBe('application/x-www-form-urlencoded');
        expect(h.Cookie).toContain('p_skey=PSK');
        const form = new URLSearchParams(body as string);
        expect(form.get('tid')).toBe('TID123');
        expect(form.get('hostuin')).toBe('10000');
        // delete_v6 wants format=fs (NOT json), per the working community script
        expect(form.get('format')).toBe('fs');
        expect(form.get('json')).toBeNull(); // no bogus json param
    });

    it('rejects an empty tid before any request', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText');
        await expect(deleteQzoneMsg(cookies, '10000', '')).rejects.toThrow('tid is required');
        expect(spy).not.toHaveBeenCalled();
    });

    it('throws on a non-zero qzone code (foreign/unknown tid or auth failure)', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '{"code":-4001,"message":"no permission"}',
        );
        await expect(deleteQzoneMsg(cookies, '10000', 'TID123')).rejects.toThrow('code=-4001');
    });

    it('throws on a non-zero subcode even when code is 0', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '{"code":0,"subcode":-12,"message":"sub error"}',
        );
        await expect(deleteQzoneMsg(cookies, '10000', 'TID123')).rejects.toThrow('subcode=-12');
    });

    it('resolves when neither code nor subcode is present (extrapolated success branch)', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"message":""}');
        await expect(deleteQzoneMsg(cookies, '10000', 'TID123')).resolves.toBeUndefined();
    });
});

describe('qzone / setQzoneLike (HTTP layer)', () => {
    afterEach(() => vi.restoreAllMocks());

    it('POSTs to internal_dolike_app with the mood unikey/curkey/fid/abstime when liking', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"subcode":0}');

        await expect(
            setQzoneLike(cookies, '10000', '20002', 'TIDX', true, 1700000000),
        ).resolves.toBeUndefined();

        const [url, method, body, headers] = spy.mock.calls[0]!;
        expect(method).toBe('POST');
        // like CGI + unikey/curkey shape + opuin + appid CONFIRMED (QLiker.py, CSDN)
        expect(url).toBe(
            `https://h5.qzone.qq.com/proxy/domain/w.qzone.qq.com/cgi-bin/likes/internal_dolike_app?g_tk=${expectedGtk}`,
        );
        const h = headers as Record<string, string>;
        expect(h['Content-Type']).toBe('application/x-www-form-urlencoded');
        expect(h.Cookie).toContain('p_skey=PSK');
        const form = new URLSearchParams(body as string);
        // unikey/curkey address the target's 说说 (mood), fid is the tid, opuin is self
        expect(form.get('unikey')).toBe('http://user.qzone.qq.com/20002/mood/TIDX');
        expect(form.get('curkey')).toBe('http://user.qzone.qq.com/20002/mood/TIDX');
        expect(form.get('fid')).toBe('TIDX');
        expect(form.get('opuin')).toBe('10000');
        expect(form.get('appid')).toBe('311');
        // abstime threaded through (every real dolike impl sends it)
        expect(form.get('abstime')).toBe('1700000000');
    });

    it('defaults abstime to 0 when not supplied', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0}');
        await setQzoneLike(cookies, '10000', '20002', 'TIDX', true);
        const form = new URLSearchParams(spy.mock.calls[0]![2] as string);
        expect(form.get('abstime')).toBe('0');
    });

    it('hits internal_unlike_app when unliking (NB: unlike endpoint UNVERIFIED, pending a live capture)', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0}');
        await setQzoneLike(cookies, '10000', '10000', 'TIDX', false);
        const [url] = spy.mock.calls[0]!;
        expect(url).toContain('/cgi-bin/likes/internal_unlike_app?');
    });

    it('rejects an empty tid before any request', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText');
        await expect(setQzoneLike(cookies, '10000', '10000', '', true)).rejects.toThrow(
            'tid is required',
        );
        expect(spy).not.toHaveBeenCalled();
    });

    it('throws on a non-zero code (no permission / unknown tid)', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '{"code":-3000,"message":"no perm"}',
        );
        await expect(setQzoneLike(cookies, '10000', '20002', 'TIDX', true)).rejects.toThrow(
            'like failed: code=-3000',
        );
    });

    it('throws on a non-zero subcode too', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0,"subcode":-7}');
        await expect(setQzoneLike(cookies, '10000', '20002', 'TIDX', false)).rejects.toThrow(
            'unlike failed: subcode=-7',
        );
    });
});

describe('qzone / commentQzoneMsg (HTTP layer)', () => {
    afterEach(() => vi.restoreAllMocks());

    it('POSTs to re_feeds with the topicId/uin/hostUin/content and returns the comment id', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"commentid":987}');

        const out = await commentQzoneMsg(cookies, '10000', '20002', 'TIDX', '说得好 & 顶');

        expect(out).toEqual({ comment_id: '987' });

        const [url, method, body, headers] = spy.mock.calls[0]!;
        expect(method).toBe('POST');
        expect(url).toBe(
            `https://h5.qzone.qq.com/proxy/domain/taotao.qzone.qq.com/cgi-bin/emotion_cgi_re_feeds?g_tk=${expectedGtk}`,
        );
        const h = headers as Record<string, string>;
        expect(h['Content-Type']).toBe('application/x-www-form-urlencoded');
        expect(h.Cookie).toContain('p_skey=PSK');
        const form = new URLSearchParams(body as string);
        // topicId base <hostUin>_<tid> is confirmed; the __1 suffix is on 2/3
        // impls (one omits it) — kept as the default, not asserted as canonical.
        expect(form.get('topicId')).toBe('20002_TIDX__1');
        // uin=commenter(self), hostUin=feed owner — verified not-swapped
        expect(form.get('uin')).toBe('10000');
        expect(form.get('hostUin')).toBe('20002');
        expect(form.get('content')).toBe('说得好 & 顶');
        expect(form.get('format')).toBe('json');
        // qzreferrer carries the commenter's own space (matches the impls)
        expect(form.get('qzreferrer')).toBe('https://user.qzone.qq.com/10000');
        // the re_feeds param family (3/3 impls) the publish sibling also sends
        expect(form.get('feedsType')).toBe('100');
        expect(form.get('private')).toBe('0');
        expect(form.get('paramstr')).toBe('1');
    });

    it('threads image direct-url richval into the comment form', async () => {
        const spy = vi
            .spyOn(RequestUtil, 'HttpGetText')
            .mockResolvedValue('{"code":0,"commentid":987}');
        const richval = 'https://example.qzone.qq.com/a.jpg\thttps://example.qzone.qq.com/b.jpg';

        await commentQzoneMsg(cookies, '10000', '20002', 'TIDX', 'pics', 1, richval);

        const form = new URLSearchParams(spy.mock.calls[0]![2] as string);
        expect(form.get('richtype')).toBe('1');
        expect(form.get('richval')).toBe(richval);
    });

    it('resolves with empty comment_id on success when the response carries no id (field name varies)', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0}');
        await expect(commentQzoneMsg(cookies, '10000', '20002', 'TIDX', 'hi')).resolves.toEqual({
            comment_id: '',
        });
    });

    it('reads the commentId (camelCase) fallback field', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue('{"code":0,"commentId":"abc"}');
        await expect(commentQzoneMsg(cookies, '10000', '20002', 'TIDX', 'hi')).resolves.toEqual({
            comment_id: 'abc',
        });
    });

    it('rejects empty tid or content before any request', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText');
        await expect(commentQzoneMsg(cookies, '10000', '20002', '', 'hi')).rejects.toThrow(
            'tid is required',
        );
        await expect(commentQzoneMsg(cookies, '10000', '20002', 'TIDX', '')).rejects.toThrow(
            'content is required',
        );
        expect(spy).not.toHaveBeenCalled();
    });

    it('rejects incomplete comment rich params before any request', async () => {
        const spy = vi.spyOn(RequestUtil, 'HttpGetText');
        await expect(commentQzoneMsg(cookies, '10000', '20002', 'TIDX', 'hi', 1)).rejects.toThrow(
            'richType and richval',
        );
        await expect(
            commentQzoneMsg(
                cookies,
                '10000',
                '20002',
                'TIDX',
                'hi',
                undefined,
                'https://example.com/img.jpg',
            ),
        ).rejects.toThrow('richType and richval');
        expect(spy).not.toHaveBeenCalled();
    });

    it('throws on a non-zero code (comments disabled / no permission)', async () => {
        vi.spyOn(RequestUtil, 'HttpGetText').mockResolvedValue(
            '{"code":-3000,"message":"forbidden"}',
        );
        await expect(commentQzoneMsg(cookies, '10000', '20002', 'TIDX', 'hi')).rejects.toThrow(
            'comment failed: code=-3000',
        );
    });
});