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

import { SendPoke } from '../../../src/oidb-services/interaction/send-poke';

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

describe('SendPoke namespace', () => {
    it('declares 0xED3_1', () => {
        expect(SendPoke.command).toBe(0xed3);
        expect(SendPoke.subCommand).toBe(1);
    });

    describe('serialize', () => {
        it('group poke: groupUin = peer, friendUin = 0, uin = targetUin', () => {
            expect(
                SendPoke.serialize({} as any, { isGroup: true, peerUin: 12345, targetUin: 67890 }),
            ).toEqual({
                uin: 67890,
                groupUin: 12345,
                friendUin: 0,
                ext: 0,
            });
        });

        it('group poke without targetUin: uin defaults to peer', () => {
            expect(SendPoke.serialize({} as any, { isGroup: true, peerUin: 12345 })).toEqual({
                uin: 12345,
                groupUin: 12345,
                friendUin: 0,
                ext: 0,
            });
        });

        it('friend poke: friendUin = peer, groupUin = 0, uin = targetUin', () => {
            expect(
                SendPoke.serialize({} as any, { isGroup: false, peerUin: 67890, targetUin: 11111 }),
            ).toEqual({
                uin: 11111,
                groupUin: 0,
                friendUin: 67890,
                ext: 0,
            });
        });

        it('friend poke without targetUin: uin defaults to peer', () => {
            expect(SendPoke.serialize({} as any, { isGroup: false, peerUin: 67890 })).toEqual({
                uin: 67890,
                groupUin: 0,
                friendUin: 67890,
                ext: 0,
            });
        });

        it('always sets ext = 0', () => {
            expect(SendPoke.serialize({} as any, { isGroup: true, peerUin: 1 }).ext).toBe(0);
            expect(SendPoke.serialize({} as any, { isGroup: false, peerUin: 1 }).ext).toBe(0);
        });
    });

    describe('invoke (e2e)', () => {
        it('routes to OidbSvcTrpcTcp.0xed3_1', async () => {
            const sender = makeSender();
            await SendPoke.invoke(sender, { isGroup: true, peerUin: 1 });
            expect(sender.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0xed3_1');
        });

        it('encodes serialize() output into envelope body', async () => {
            const sender = makeSender();
            await SendPoke.invoke(sender, { isGroup: true, peerUin: 12345, targetUin: 67890 });
            const [, bytes] = sender.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<OidbPoke>>(bytes);
            expect(env.command).toBe(0xed3);
            expect(env.subCommand).toBe(1);
            expect(env.body).toMatchObject({ uin: 67890, groupUin: 12345 });
            // proto3 default 0 for friendUin/ext is omitted on the wire.
            expect(env.body?.friendUin ?? 0).toBe(0);
        });

        it('resolves to undefined', async () => {
            const sender = makeSender();
            const result = await SendPoke.invoke(sender, { isGroup: false, peerUin: 1 });
            expect(result).toBeUndefined();
        });
    });
});