import { describe, expect, it, vi } from 'vitest';
import { protobuf_decode, protobuf_encode } from '@snowluma/proton';
import type { OidbBase } from '@snowluma/proto-defs/oidb';
import type {
    OidbPrivateFileUploadReq,
    OidbPrivateFileUploadResp,
} from '@snowluma/proto-defs/oidb-actions/media';
import type { SendPacketResult } from '@snowluma/common/packet-sender';

import { UploadPrivateFileRequest } from '../../../src/oidb-services/group-file/upload-private-file-request';

function makeDeps(body?: OidbPrivateFileUploadResp) {
    const responseData =
        body !== undefined
            ? Buffer.from(protobuf_encode<OidbBase<OidbPrivateFileUploadResp>>({ body }))
            : Buffer.alloc(0);
    const r: SendPacketResult = {
        success: true,
        gotResponse: true,
        errorCode: 0,
        errorMessage: '',
        responseData,
    };
    return { sendRawPacket: vi.fn(async () => r) };
}

describe('UploadPrivateFileRequest namespace', () => {
    it('declares 0xE37_1700', () => {
        expect(UploadPrivateFileRequest.command).toBe(0xe37);
        expect(UploadPrivateFileRequest.subCommand).toBe(1700);
    });

    it('packages businessId=3, clientType=1, flagSupportMediaPlatform=1 alongside the upload body', async () => {
        const deps = makeDeps({ upload: { uuid: 'fid', boolFileExist: true } as any });
        await UploadPrivateFileRequest.invoke(deps, {
            senderUid: 's',
            receiverUid: 'r',
            fileName: 'f.pdf',
            fileSize: 4096,
            fileSha1: new Uint8Array(20),
            fileMd5: new Uint8Array(16),
            md510MCheckSum: new Uint8Array(16),
        });
        const [wire, bytes] = deps.sendRawPacket.mock.calls[0]!;
        expect(wire).toBe('OidbSvcTrpcTcp.0xe37_1700');
        const env = protobuf_decode<OidbBase<OidbPrivateFileUploadReq>>(bytes);
        expect(env.body).toMatchObject({
            command: 1700,
            businessId: 3,
            clientType: 1,
            flagSupportMediaPlatform: 1,
        });
        expect(env.body?.upload).toMatchObject({
            senderUid: 's',
            receiverUid: 'r',
            fileSize: 4096,
            fileName: 'f.pdf',
        });
    });

    it('returns the upload body for the facade host-selection step', async () => {
        const deps = makeDeps({
            upload: { uuid: 'fid-Y', fileAddon: 'hash', boolFileExist: true } as any,
        });
        const out = await UploadPrivateFileRequest.invoke(deps, {
            senderUid: 's',
            receiverUid: 'r',
            fileName: 'f',
            fileSize: 0,
            fileSha1: new Uint8Array(0),
            fileMd5: new Uint8Array(0),
            md510MCheckSum: new Uint8Array(0),
        });
        expect(out.uuid).toBe('fid-Y');
        expect(out.fileAddon).toBe('hash');
    });

    it('throws when the upload sub-message is missing', async () => {
        const deps = makeDeps({});
        await expect(
            UploadPrivateFileRequest.invoke(deps, {
                senderUid: 's',
                receiverUid: 'r',
                fileName: 'f',
                fileSize: 0,
                fileSha1: new Uint8Array(0),
                fileMd5: new Uint8Array(0),
                md510MCheckSum: new Uint8Array(0),
            }),
        ).rejects.toThrow(/upload response missing/);
    });
});