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

import { SetEssence } from '../../../src/oidb-services/interaction/set-essence';

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

describe('SetEssence namespace', () => {
    it('declares 0xEAC', () => {
        expect(SetEssence.command).toBe(0xeac);
    });

    describe('resolveSubCommand', () => {
        it('returns 1 when enable=true', () => {
            expect(
                SetEssence.resolveSubCommand({ groupId: 1, sequence: 1, random: 1, enable: true }),
            ).toBe(1);
        });
        it('returns 2 when enable=false', () => {
            expect(
                SetEssence.resolveSubCommand({ groupId: 1, sequence: 1, random: 1, enable: false }),
            ).toBe(2);
        });
    });

    describe('serialize', () => {
        it('passes groupId / sequence / random through verbatim', () => {
            expect(
                SetEssence.serialize({} as any, {
                    groupId: 12345,
                    sequence: 99,
                    random: 0xcafebabe,
                    enable: true,
                }),
            ).toEqual({
                groupUin: 12345,
                sequence: 99,
                random: 0xcafebabe,
            });
        });
    });

    describe('invoke (e2e)', () => {
        it('routes to OidbSvcTrpcTcp.0xeac_1 when enabling', async () => {
            const sender = makeSender();
            await SetEssence.invoke(sender, {
                groupId: 12345,
                sequence: 99,
                random: 0,
                enable: true,
            });
            expect(sender.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0xeac_1');
        });

        it('routes to OidbSvcTrpcTcp.0xeac_2 when disabling', async () => {
            const sender = makeSender();
            await SetEssence.invoke(sender, {
                groupId: 12345,
                sequence: 99,
                random: 0,
                enable: false,
            });
            expect(sender.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0xeac_2');
        });

        it('encodes envelope body with the right shape', async () => {
            const sender = makeSender();
            await SetEssence.invoke(sender, {
                groupId: 12345,
                sequence: 99,
                random: 7,
                enable: true,
            });
            const [, bytes] = sender.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<OidbEssence>>(bytes);
            expect(env.command).toBe(0xeac);
            expect(env.subCommand).toBe(1);
            expect(env.body).toMatchObject({ groupUin: 12345, sequence: 99, random: 7 });
        });
    });
});