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

import { GetPskey } from '../../../src/oidb-services/web/get-pskey';

function makeSender(body?: OidbGetPskeyResp) {
    const responseData =
        body !== undefined
            ? Buffer.from(protobuf_encode<OidbBase<OidbGetPskeyResp>>({ body }))
            : Buffer.alloc(0);
    const r: SendPacketResult = {
        success: true,
        gotResponse: true,
        errorCode: 0,
        errorMessage: '',
        responseData,
    };
    return { sendRawPacket: vi.fn(async () => r) };
}

describe('GetPskey namespace', () => {
    it('declares 0x102A_0', () => {
        expect(GetPskey.command).toBe(0x102a);
        expect(GetPskey.subCommand).toBe(0);
    });

    describe('serialize', () => {
        it('passes the domainList through verbatim', () => {
            const out = GetPskey.serialize({} as any, {
                domainList: ['qun.qq.com', 'qzone.qq.com'],
            });
            expect(out.domainList).toEqual(['qun.qq.com', 'qzone.qq.com']);
        });
    });

    describe('deserialize', () => {
        it('builds a Map from server pskeyItems', () => {
            const { domainPskeyMap } = GetPskey.deserialize({} as any, {
                pskeyItems: [
                    { domain: 'qun.qq.com', pskey: 'pskey-qun' },
                    { domain: 'qzone.qq.com', pskey: 'pskey-qzone' },
                ],
            });
            expect(domainPskeyMap.get('qun.qq.com')).toBe('pskey-qun');
            expect(domainPskeyMap.get('qzone.qq.com')).toBe('pskey-qzone');
        });

        it('drops entries with missing domain or pskey', () => {
            const { domainPskeyMap } = GetPskey.deserialize({} as any, {
                pskeyItems: [
                    { domain: 'qun.qq.com', pskey: 'ok' },
                    { domain: 'missing-pskey.com' },
                    { pskey: 'missing-domain' },
                ] as any,
            });
            expect(domainPskeyMap.size).toBe(1);
            expect(domainPskeyMap.get('qun.qq.com')).toBe('ok');
        });

        it('returns empty Map when pskeyItems is absent', () => {
            const { domainPskeyMap } = GetPskey.deserialize({} as any, {});
            expect(domainPskeyMap.size).toBe(0);
        });
    });

    describe('invoke (e2e)', () => {
        it('routes to OidbSvcTrpcTcp.0x102a_0', async () => {
            const sender = makeSender({ pskeyItems: [] });
            await GetPskey.invoke(sender, { domainList: ['qq.com'] });
            expect(sender.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0x102a_0');
        });

        it('encodes the domain list into the request body', async () => {
            const sender = makeSender({ pskeyItems: [] });
            await GetPskey.invoke(sender, { domainList: ['qun.qq.com'] });
            const [, bytes] = sender.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<OidbGetPskeyReq>>(bytes);
            expect(env.body?.domainList).toEqual(['qun.qq.com']);
        });
    });
});