import { afterEach, describe, expect, it, vi } from 'vitest';
import {
    GROUP_NOTICE_TYPE_NEW_MEMBERS,
    calculateBkn,
    getGroupNoticeWebAPI,
    groupNoticeImageUrl,
    parseGroupNoticeImageUploadResponse,
    resolveGroupNoticeOptions,
    setGroupNoticeWebAPI,
    type WebApiGroupNoticeRet,
} from '@snowluma/protocol/web/group-notice';
import { RequestUtil } from '@snowluma/protocol/web/request-util';

describe('group-notice / publish HTTP layer', () => {
    afterEach(() => vi.restoreAllMocks());

    const cookies = { skey: 'BODY_KEY', p_skey: 'URL_KEY', uin: 'o10000' };

    it('publishes a regular announcement with the exact options and image metadata', async () => {
        const request = vi.spyOn(RequestUtil, 'HttpGetJson').mockResolvedValue({ ec: 0 } as never);

        await setGroupNoticeWebAPI(cookies, '12345', 'regular notice', {
            pinned: 1,
            isShowEditCard: 0,
            tipWindowType: 0,
            confirmRequired: 0,
            picId: 'pic-id',
            imgWidth: 640,
            imgHeight: 360,
        });

        const [url, method, rawBody, headers, isJsonRet, isArgJson] = request.mock.calls[0]!;
        expect(url).toBe(
            `https://web.qun.qq.com/cgi-bin/announce/add_qun_notice?bkn=${calculateBkn('URL_KEY')}`,
        );
        expect(method).toBe('POST');
        const body = new URLSearchParams(rawBody as string);
        expect(Object.fromEntries(body)).toMatchObject({
            qid: '12345',
            bkn: calculateBkn('BODY_KEY'),
            text: 'regular notice',
            pinned: '1',
            type: '1',
            pic: 'pic-id',
            imgWidth: '640',
            imgHeight: '360',
        });
        expect(JSON.parse(body.get('settings')!)).toEqual({
            is_show_edit_card: 0,
            tip_window_type: 0,
            confirm_required: 0,
        });
        expect(headers).toMatchObject({ 'Content-Type': 'application/x-www-form-urlencoded' });
        expect(isJsonRet).toBe(true);
        expect(isArgJson).toBe(false);
    });

    it('routes semantic new-member announcements to the instruction endpoint with type 20', async () => {
        const request = vi.spyOn(RequestUtil, 'HttpGetJson').mockResolvedValue({ ec: 0 } as never);

        await setGroupNoticeWebAPI(cookies, '12345', 'welcome', { sendToNewMembers: true });

        const [url, , rawBody] = request.mock.calls[0]!;
        expect(url).toContain('/cgi-bin/announce/add_qun_instruction?');
        expect(new URLSearchParams(rawBody as string).get('type')).toBe(
            String(GROUP_NOTICE_TYPE_NEW_MEMBERS),
        );
    });

    it('keeps raw type=20 compatibility while selecting the correct endpoint', async () => {
        const request = vi.spyOn(RequestUtil, 'HttpGetJson').mockResolvedValue({ ec: 0 } as never);

        await setGroupNoticeWebAPI(cookies, '12345', 'welcome', { type: 20 });

        expect(request.mock.calls[0]![0]).toContain('/cgi-bin/announce/add_qun_instruction?');
    });

    it('fails before I/O when raw type and semantic target conflict', async () => {
        const request = vi.spyOn(RequestUtil, 'HttpGetJson');

        await expect(
            setGroupNoticeWebAPI(cookies, '12345', 'bad', {
                type: 1,
                sendToNewMembers: true,
            }),
        ).rejects.toThrow('conflicts');
        expect(request).not.toHaveBeenCalled();
    });

    it('rejects unsupported raw types and non-binary options', () => {
        expect(() => resolveGroupNoticeOptions({ type: 6 })).toThrow('type must be 1');
        expect(() => resolveGroupNoticeOptions({ pinned: 2 })).toThrow('pinned must be 0 or 1');
        expect(() => resolveGroupNoticeOptions({ tipWindowType: -1 })).toThrow(
            'tipWindowType must be 0 or 1',
        );
    });

    it('preserves the established regular-announcement defaults', () => {
        expect(resolveGroupNoticeOptions()).toMatchObject({
            pinned: 0,
            type: 1,
            sendToNewMembers: false,
            isShowEditCard: 1,
            tipWindowType: 1,
            confirmRequired: 1,
        });
    });

    it('propagates transport failures instead of returning undefined', async () => {
        vi.spyOn(RequestUtil, 'HttpGetJson').mockRejectedValue(
            new Error('Unexpected status code: 403'),
        );
        await expect(setGroupNoticeWebAPI(cookies, '12345', 'notice')).rejects.toThrow('403');
    });
});

describe('group-notice / image download url', () => {
    it('builds the public CDN url from a picture id', () => {
        expect(groupNoticeImageUrl('pic-1')).toBe('https://gdynamic.qpic.cn/gdynamic/pic-1/0');
    });

    it('rejects empty or path-like ids', () => {
        expect(() => groupNoticeImageUrl('')).toThrow('empty');
        expect(() => groupNoticeImageUrl('  ')).toThrow('empty');
        expect(() => groupNoticeImageUrl('a/b')).toThrow('malformed');
        expect(() => groupNoticeImageUrl('a?x=1')).toThrow('malformed');
    });
});

describe('group-notice / image upload response', () => {
    it('parses HTML-escaped image metadata', () => {
        expect(
            parseGroupNoticeImageUploadResponse(
                JSON.stringify({
                    ec: 0,
                    id: '{"id":"pic-1","w":"640","h":"360"}',
                }),
            ),
        ).toEqual({ id: 'pic-1', width: 640, height: 360 });
    });

    it('surfaces server and malformed-response failures', () => {
        expect(() =>
            parseGroupNoticeImageUploadResponse(JSON.stringify({ ec: 14, em: 'denied' })),
        ).toThrow('ec=14 em=denied');
        expect(() => parseGroupNoticeImageUploadResponse('not json')).toThrow('invalid JSON');
        expect(() =>
            parseGroupNoticeImageUploadResponse(
                JSON.stringify({ ec: 0, id: '{"id":"pic","w":0,"h":10}' }),
            ),
        ).toThrow('malformed image metadata');
    });
});

describe('group-notice / list HTTP layer', () => {
    afterEach(() => vi.restoreAllMocks());

    it('requests both regular and new-member collections and preserves server errors', async () => {
        const response: WebApiGroupNoticeRet = { ec: 14, em: 'permission denied' };
        const request = vi.spyOn(RequestUtil, 'HttpGetJson').mockResolvedValue(response as never);

        await expect(getGroupNoticeWebAPI({ skey: 'SK', p_skey: 'PSK' }, '9876')).resolves.toBe(
            response,
        );

        const [url, method, rawBody] = request.mock.calls[0]!;
        expect(url).toContain('/cgi-bin/announce/list_announce?');
        expect(method).toBe('POST');
        const body = new URLSearchParams(rawBody as string);
        expect(body.get('i')).toBe('1');
        expect(body.get('ni')).toBe('1');
    });

    it('propagates transport failures instead of hiding them as an empty list', async () => {
        vi.spyOn(RequestUtil, 'HttpGetJson').mockRejectedValue(new Error('socket closed'));
        await expect(getGroupNoticeWebAPI({ skey: 'SK' }, '9876')).rejects.toThrow('socket closed');
    });
});