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

import { SendLike } from '../../../src/oidb-services/interaction/send-like';

function makeDeps(uid = 'target-uid-xyz') {
    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),
    };
}

describe('SendLike namespace', () => {
    it('declares 0x7E5_104', () => {
        expect(SendLike.command).toBe(0x7e5);
        expect(SendLike.subCommand).toBe(104);
    });

    describe('serialize', () => {
        it('resolves uid via ctx and emits {targetUid, sourceId=71, count}', async () => {
            const deps = makeDeps('UID-AAA');
            const body = await SendLike.serialize(deps, { userId: 10001, count: 3 });
            expect(deps.resolveUserUid).toHaveBeenCalledWith(10001);
            expect(body).toEqual({ targetUid: 'UID-AAA', sourceId: 71, count: 3 });
        });

        it('throws when ctx returns an empty uid', async () => {
            const deps = makeDeps('');
            await expect(SendLike.serialize(deps, { userId: 10001, count: 1 })).rejects.toThrow(
                /failed to resolve uid/,
            );
        });
    });

    describe('invoke (e2e)', () => {
        it('routes to OidbSvcTrpcTcp.0x7e5_104', async () => {
            const deps = makeDeps();
            await SendLike.invoke(deps, { userId: 10001, count: 3 });
            expect(deps.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0x7e5_104');
        });

        it('encodes targetUid (field 11) + sourceId=71 (field 12) + count (field 13)', async () => {
            const deps = makeDeps('UID-BBB');
            await SendLike.invoke(deps, { userId: 10001, count: 5 });
            const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<OidbLike>>(bytes);
            expect(env.command).toBe(0x7e5);
            expect(env.subCommand).toBe(104);
            expect(env.body).toMatchObject({ targetUid: 'UID-BBB', sourceId: 71, count: 5 });
            // Defensive: the obsolete uin-form field must not appear (server
            // rejects uin-form payloads with "被点赞 QQ 号非法").
            expect((env.body as any).targetUin).toBeUndefined();
        });
    });
});