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

import { MuteAll } from '../../../src/oidb-services/group-admin/mute-all';

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

describe('MuteAll namespace', () => {
    it('declares 0x89A_0', () => {
        expect(MuteAll.command).toBe(0x89a);
        expect(MuteAll.subCommand).toBe(0);
    });

    it('enable=true emits the 0xFFFFFFFF "permanent" state', async () => {
        const deps = makeDeps();
        await MuteAll.invoke(deps, { groupId: 12345, enable: true });
        const [wire, bytes] = deps.sendRawPacket.mock.calls[0]!;
        expect(wire).toBe('OidbSvcTrpcTcp.0x89a_0');
        const env = protobuf_decode<OidbBase<OidbMuteAll>>(bytes);
        expect(env.body).toMatchObject({ groupUin: 12345, muteState: { state: 0xffffffff } });
    });

    it('enable=false forces state=0 ONTO the wire (so the server can disambiguate)', async () => {
        const deps = makeDeps();
        await MuteAll.invoke(deps, { groupId: 12345, enable: false });
        const [, bytes] = deps.sendRawPacket.mock.calls[0]!;
        const env = protobuf_decode<OidbBase<OidbMuteAll>>(bytes);
        expect(env.body?.muteState?.state).toBe(0);
        // The fix (issue #70): state=0 is a `pb_optional<>` field, so it must be
        // PRESENT on the wire — field 17 (varint tag 0x88 0x01) + value 0x00 — not
        // omitted. An empty `muteState` is indistinguishable from the other
        // commands sharing OIDB (0x89A, 0), so the server rejects unmute with 1007.
        const arr = Array.from(bytes);
        const hasStateField = arr.some(
            (_, i) => arr[i] === 0x88 && arr[i + 1] === 0x01 && arr[i + 2] === 0x00,
        );
        expect(hasStateField).toBe(true);
    });
});