// image-upload tests: with the pipeline mocked out, these check the
// shape of the params each call passes — oidbCmd / serviceCmd / pic
// extBizInfo, the Highway cmdId mapping for group vs c2c, and the
// fast-upload (fingerprint) path.

import { describe, it, expect, vi, beforeEach } from 'vitest';

vi.mock('@snowluma/protocol/highway/pipeline', () => ({
    runNtv2Upload: vi.fn(async () => ({
        msgInfo: { msgInfoBody: [{ index: { fileUuid: 'uploaded-image' } }], extBizInfo: {} },
    })),
    finalizeMediaMsgInfo: vi.fn(() => new Uint8Array([0xca, 0xfe])),
    hexToBytes: vi.fn((hex: string) => new Uint8Array(hex.length / 2)),
}));

vi.mock('@snowluma/protocol/highway/utils', () => ({
    loadBinarySource: vi.fn(async () => ({
        bytes: new Uint8Array([1, 2, 3]),
        fileName: 'src.jpg',
    })),
    computeHashes: vi.fn(() => ({
        md5: new Uint8Array(16),
        sha1: new Uint8Array(20),
        md5Hex: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
        sha1Hex: 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',
    })),
    detectImageFormat: vi.fn(() => ({ format: 1000, width: 800, height: 600 })),
}));

import * as pipeline from '@snowluma/protocol/highway/pipeline';
import * as utils from '@snowluma/protocol/highway/utils';
import { uploadImageMsgInfo } from '@snowluma/protocol/highway/image-upload';
import { GROUP_IMAGE_CMD_ID, PRIVATE_IMAGE_CMD_ID } from '@snowluma/protocol/highway';

describe('image-upload', () => {
    beforeEach(() => {
        vi.mocked(pipeline.runNtv2Upload).mockClear();
        vi.mocked(pipeline.finalizeMediaMsgInfo).mockClear();
        vi.mocked(utils.loadBinarySource).mockClear();
    });

    it('group: uses 0x11C4_100 + GROUP_IMAGE_CMD_ID and tags scene as group', async () => {
        const out = await uploadImageMsgInfo({} as any, true, 12345, { url: 'http://x' } as any);
        expect(out).toEqual(new Uint8Array([0xca, 0xfe]));

        const args = vi.mocked(pipeline.runNtv2Upload).mock.calls[0]![0];
        expect(args.oidbCmd).toBe(0x11c4);
        expect(args.serviceCmd).toBe('OidbSvcTrpcTcp.0x11c4_100');
        expect(args.requestId).toBe(1);
        expect(args.businessType).toBe(1);
        expect(args.compatQmsgSceneType).toBe(2);
        expect(args.uploads[0]!.cmdId).toBe(GROUP_IMAGE_CMD_ID);
        expect(args.extBizInfo.pic?.extData).toBeDefined();
        expect(args.extBizInfo.pic?.bytesPbReserveC2c).toBeUndefined();
    });

    it('c2c: uses 0x11C5_100 + PRIVATE_IMAGE_CMD_ID and tags scene as c2c', async () => {
        await uploadImageMsgInfo({} as any, false, 'recipient-uid', { url: 'http://x' } as any);
        const args = vi.mocked(pipeline.runNtv2Upload).mock.calls[0]![0];
        expect(args.oidbCmd).toBe(0x11c5);
        expect(args.serviceCmd).toBe('OidbSvcTrpcTcp.0x11c5_100');
        expect(args.compatQmsgSceneType).toBe(1);
        expect(args.uploads[0]!.cmdId).toBe(PRIVATE_IMAGE_CMD_ID);
        expect(args.extBizInfo.pic?.bytesPbReserveC2c).toBeDefined();
        expect(args.extBizInfo.pic?.extData).toBeUndefined();
    });

    it('uses receive-side imageUrl when url/fileId are absent', async () => {
        await uploadImageMsgInfo({} as any, true, 12345, {
            type: 'image',
            imageUrl: 'https://gchat.qpic.cn/received.jpg',
        });
        expect(utils.loadBinarySource).toHaveBeenCalledWith(
            'https://gchat.qpic.cn/received.jpg',
            'image',
        );
    });

    it('encodes the detected picFormat and image dimensions into fileInfo', async () => {
        await uploadImageMsgInfo({} as any, true, 12345, { url: 'http://x' } as any);
        const fileInfo = (vi.mocked(pipeline.runNtv2Upload).mock.calls[0]![0].uploadInfo[0] as any)
            .fileInfo;
        expect(fileInfo.type.picFormat).toBe(1000);
        expect(fileInfo.width).toBe(800);
        expect(fileInfo.height).toBe(600);
        expect(fileInfo.original).toBe(1);
    });

    it('forwards subType=1 (sticker) into bizType + Chinese textSummary `[动画表情]`', async () => {
        // QQ chat-list bubble preview text — must match the literal
        // strings mobile QQ / Lagrange.Core / NapCat all emit.
        await uploadImageMsgInfo({} as any, true, 12345, { url: 'http://x', subType: 1 } as any);
        const args = vi.mocked(pipeline.runNtv2Upload).mock.calls[0]![0];
        expect((args.extBizInfo as any).pic.bizType).toBe(1);
        expect((args.extBizInfo as any).pic.textSummary).toBe('[动画表情]');
    });

    it('fingerprint path (noByteFallback): zero bytes, fastOnly error message ready', async () => {
        await uploadImageMsgInfo({} as any, true, 12345, {
            noByteFallback: true,
            md5Hex: 'aa',
            sha1Hex: 'bb',
            summary: '[图片]',
        } as any);
        const sub = vi.mocked(pipeline.runNtv2Upload).mock.calls[0]![0].uploads[0]!;
        expect(sub.bytes.length).toBe(0);
        expect(sub.fastOnlyError).toMatch(/fast-upload not available/);
    });

    it('fingerprint path rejects when md5Hex or sha1Hex is missing', async () => {
        await expect(
            uploadImageMsgInfo({} as any, true, 12345, {
                noByteFallback: true,
            } as any),
        ).rejects.toThrow(/requires md5Hex/);
    });

    it('finalize is invoked with pic defaults for image (Chinese `[图片]`)', async () => {
        await uploadImageMsgInfo({} as any, true, 12345, { url: 'http://x', subType: 0 } as any);
        expect(pipeline.finalizeMediaMsgInfo).toHaveBeenCalledOnce();
        const [, defaultPic] = vi.mocked(pipeline.finalizeMediaMsgInfo).mock.calls[0]!;
        expect(defaultPic).toEqual({
            bizType: 0,
            textSummary: '[图片]',
            extData: { subType: 0, textSummary: '[图片]' },
        });
    });

    it('caller-supplied summary wins over the Chinese default', async () => {
        // OneBot clients can pass `summary: '[心形图片]'` (or any custom
        // text) — that overrides our default and goes through verbatim.
        await uploadImageMsgInfo({} as any, true, 12345, {
            url: 'http://x',
            subType: 0,
            summary: '[custom-bubble]',
        } as any);
        const [, defaultPic] = vi.mocked(pipeline.finalizeMediaMsgInfo).mock.calls[0]!;
        expect(defaultPic).toEqual({
            bizType: 0,
            textSummary: '[custom-bubble]',
            extData: { subType: 0, textSummary: '[custom-bubble]' },
        });
    });
});