import { describe, expect, it, vi } from 'vitest';
import { protobuf_decode } from '@snowluma/proton';
import type { OidbBase } from '@snowluma/proto-defs/oidb';
import type { Oidb0xcd4Req } from '@snowluma/proto-defs/oidb-actions/base';
import type { SendPacketResult } from '@snowluma/common/packet-sender';

import { SetInputStatus } from '../../../src/oidb-services/profile/set-input-status';

function makeDeps(uid: string | null = 'resolved-uid') {
    const r: SendPacketResult = {
        success: true,
        gotResponse: true,
        errorCode: 0,
        errorMessage: '',
        responseData: Buffer.alloc(0),
    };
    return {
        sendRawPacket: vi.fn(async () => r),
        resolveUserUid: vi.fn(async () => uid as string),
    };
}

describe('SetInputStatus namespace', () => {
    it('declares 0xCD4_1', () => {
        expect(SetInputStatus.command).toBe(0xcd4);
        expect(SetInputStatus.subCommand).toBe(1);
    });

    describe('invoke', () => {
        it('routes to OidbSvcTrpcTcp.0xcd4_1', async () => {
            const deps = makeDeps();
            await SetInputStatus.invoke(deps, { userId: 10001, eventType: 1 });
            expect(deps.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0xcd4_1');
        });

        it('resolves the target uid before encoding', async () => {
            const deps = makeDeps();
            await SetInputStatus.invoke(deps, { userId: 10001, eventType: 1 });
            expect(deps.resolveUserUid).toHaveBeenCalledWith(10001);
        });

        it('packages uid + chatType=0 + eventType into reqBody', async () => {
            const deps = makeDeps('alice-uid');
            await SetInputStatus.invoke(deps, { userId: 10001, eventType: 7 });
            const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<Oidb0xcd4Req>>(bytes);
            expect(env.body?.reqBody?.uid).toBe('alice-uid');
            // chatType=0 is proto3 default — omitted on the wire, comes back as null/undefined.
            expect(env.body?.reqBody?.chatType ?? 0).toBe(0);
            expect(env.body?.reqBody?.eventType).toBe(7);
        });

        it('throws when the target uid cannot be resolved', async () => {
            const deps = makeDeps(null);
            await expect(
                SetInputStatus.invoke(deps, { userId: 10001, eventType: 1 }),
            ).rejects.toThrow('target uid not found');
            expect(deps.sendRawPacket).not.toHaveBeenCalled();
        });
    });
});