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

import { SetAddRequest } from '../../../src/oidb-services/group-admin/set-add-request';

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

describe('SetAddRequest namespace', () => {
    it('declares 0x10C8 with uinForm=true and dynamic subCommand', () => {
        expect(SetAddRequest.command).toBe(0x10c8);
        expect(SetAddRequest.uinForm).toBe(true);
        expect(
            SetAddRequest.resolveSubCommand({
                groupId: 1,
                sequence: 1,
                eventType: 0,
                approve: true,
                filtered: false,
            }),
        ).toBe(1);
        expect(
            SetAddRequest.resolveSubCommand({
                groupId: 1,
                sequence: 1,
                eventType: 0,
                approve: true,
                filtered: true,
            }),
        ).toBe(2);
    });

    it('approve=true => accept=1, filtered=false => 0x10c8_1, reserved=1 (uinForm)', async () => {
        const deps = makeDeps();
        await SetAddRequest.invoke(deps, {
            groupId: 12345,
            sequence: 5,
            eventType: 1,
            approve: true,
            reason: 'ok',
        });
        const [wire, bytes] = deps.sendRawPacket.mock.calls[0]!;
        expect(wire).toBe('OidbSvcTrpcTcp.0x10c8_1');
        const env = protobuf_decode<OidbBase<OidbGroupRequestAction>>(bytes);
        expect(env.reserved).toBe(1);
        expect(env.body?.accept).toBe(1);
        expect(env.body?.body).toMatchObject({
            sequence: 5n,
            eventType: 1,
            groupUin: 12345,
            message: 'ok',
        });
    });

    it('approve=false + filtered=true => accept=2, 0x10c8_2', async () => {
        const deps = makeDeps();
        await SetAddRequest.invoke(deps, {
            groupId: 12345,
            sequence: 5,
            eventType: 1,
            approve: false,
            reason: 'no',
            filtered: true,
        });
        const [wire, bytes] = deps.sendRawPacket.mock.calls[0]!;
        expect(wire).toBe('OidbSvcTrpcTcp.0x10c8_2');
        const env = protobuf_decode<OidbBase<OidbGroupRequestAction>>(bytes);
        expect(env.body?.accept).toBe(2);
    });

    it('writes a space when the reason is empty so field 4 stays present', async () => {
        const deps = makeDeps();
        await SetAddRequest.invoke(deps, { groupId: 1, sequence: 1, eventType: 1, approve: true });
        const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
        const env = protobuf_decode<OidbBase<OidbGroupRequestAction>>(bytes);
        expect(env.body?.body?.message).toBe(' ');
        const arr = Array.from(bytes);
        const hasMessageField = arr.some(
            (_, i) => arr[i] === 0x22 && arr[i + 1] === 0x01 && arr[i + 2] === 0x20,
        );
        expect(hasMessageField).toBe(true);
    });

    it('forwards operateTransInfo as body field 7', async () => {
        const deps = makeDeps();
        const operateTransInfo = Uint8Array.from([0x01, 0x02, 0x03]);
        await SetAddRequest.invoke(deps, {
            groupId: 1,
            sequence: 1,
            eventType: 1,
            approve: true,
            reason: 'ok',
            operateTransInfo,
        });
        const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
        const env = protobuf_decode<OidbBase<OidbGroupRequestAction>>(bytes);
        expect(env.body?.body?.operateTransInfo).toEqual(operateTransInfo);
    });
});