import { describe, expect, it, vi } from 'vitest';
import { protobuf_decode } from '@snowluma/proton';
import type { OidbBase } from '@snowluma/proto-defs/oidb';
import type { Oidb0x112aReq } from '@snowluma/proto-defs/oidb-actions/base';
import type { SendPacketResult } from '@snowluma/common/packet-sender';

import { SetSelfLongNick } from '../../../src/oidb-services/profile/set-self-long-nick';

function makeDeps() {
    const r: SendPacketResult = {
        success: true,
        gotResponse: true,
        errorCode: 0,
        errorMessage: '',
        responseData: Buffer.alloc(0),
    };
    return {
        sendRawPacket: vi.fn(async () => r),
        identity: { uin: '10001' } as any,
    };
}

describe('SetSelfLongNick namespace', () => {
    it('declares 0x112A_2', () => {
        expect(SetSelfLongNick.command).toBe(0x112a);
        expect(SetSelfLongNick.subCommand).toBe(2);
    });

    describe('invoke', () => {
        it('routes to OidbSvcTrpcTcp.0x112a_2', async () => {
            const deps = makeDeps();
            await SetSelfLongNick.invoke(deps, { longNick: 'hello world' });
            expect(deps.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0x112a_2');
        });

        it('wraps the long nick in profile { tag: 102, value }', async () => {
            const deps = makeDeps();
            await SetSelfLongNick.invoke(deps, { longNick: 'hello world' });
            const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<Oidb0x112aReq>>(bytes);
            expect(env.body?.uin).toBe(10001n);
            expect(env.body?.profile).toEqual({ tag: 102, value: 'hello world' });
        });

        it('omits the value field when clearing the signature', async () => {
            const deps = makeDeps();
            await SetSelfLongNick.invoke(deps, { longNick: '' });
            const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
            expect(Buffer.from(bytes).toString('hex')).toBe('08aa221002220708914e12020866');
        });

        it('coerces non-string longNick into a string (defensive)', async () => {
            const deps = makeDeps();
            // simulate a misbehaving caller passing a number
            await SetSelfLongNick.invoke(deps, { longNick: 12345 as any });
            const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<Oidb0x112aReq>>(bytes);
            expect(env.body?.profile?.value).toBe('12345');
        });
    });
});