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 { Oidb0x112eReq, Oidb0x112eResp } from '@snowluma/proto-defs/oidb-actions/base';
import type { SendPacketResult } from '@snowluma/common/packet-sender';

import { ClickInlineKeyboardButton } from '../../../src/oidb-services/misc/click-inline-keyboard-button';

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

describe('ClickInlineKeyboardButton namespace', () => {
    it('declares 0x112E_1', () => {
        expect(ClickInlineKeyboardButton.command).toBe(0x112e);
        expect(ClickInlineKeyboardButton.subCommand).toBe(1);
    });

    describe('serialize', () => {
        it('widens numeric ids to BigInt for uint_64 fields', () => {
            const out = ClickInlineKeyboardButton.serialize({} as any, {
                groupId: 12345,
                botAppid: 67890,
                buttonId: 'btn',
                callbackData: 'data',
                msgSeq: 100,
            });
            expect(out.groupId).toBe(12345n);
            expect(out.botAppid).toBe(67890n);
            expect(out.msgSeq).toBe(100n);
        });

        it('always sends unknown7=0 / unknown9=1 magic values', () => {
            const out = ClickInlineKeyboardButton.serialize({} as any, {
                groupId: 1,
                botAppid: 1,
                buttonId: 'x',
                callbackData: 'y',
                msgSeq: 1,
            });
            expect(out.unknown7).toBe(0);
            expect(out.unknown9).toBe(1);
        });

        it('coerces buttonId / callbackData to strings (defensive)', () => {
            const out = ClickInlineKeyboardButton.serialize({} as any, {
                groupId: 1,
                botAppid: 1,
                buttonId: 123 as any,
                callbackData: null as any,
                msgSeq: 1,
            });
            expect(out.buttonId).toBe('123');
            expect(out.callbackData).toBe('');
        });
    });

    describe('deserialize', () => {
        it('shapes the response with status/promptType/promptIcon = 0', () => {
            expect(
                ClickInlineKeyboardButton.deserialize(
                    {} as any,
                    {
                        result: 1,
                        errMsg: 'ok',
                        promptText: 'hi',
                    } as Oidb0x112eResp,
                ),
            ).toEqual({
                result: 1,
                errMsg: 'ok',
                status: 0,
                promptText: 'hi',
                promptType: 0,
                promptIcon: 0,
            });
        });

        it('defaults result/errMsg/promptText when omitted', () => {
            expect(ClickInlineKeyboardButton.deserialize({} as any, {} as Oidb0x112eResp)).toEqual({
                result: 0,
                errMsg: '',
                status: 0,
                promptText: '',
                promptType: 0,
                promptIcon: 0,
            });
        });
    });

    describe('invoke (e2e)', () => {
        it('routes to OidbSvcTrpcTcp.0x112e_1', async () => {
            const sender = makeSender();
            await ClickInlineKeyboardButton.invoke(sender, {
                groupId: 1,
                botAppid: 1,
                buttonId: 'x',
                callbackData: 'y',
                msgSeq: 1,
            });
            expect(sender.sendRawPacket.mock.calls[0]![0]).toBe('OidbSvcTrpcTcp.0x112e_1');
        });

        it('round-trips a real envelope', async () => {
            const sender = makeSender(
                Buffer.from(
                    protobuf_encode<OidbBase<Oidb0x112eResp>>({
                        body: { result: 7, errMsg: 'denied', promptText: 'try again' } as any,
                    }),
                ),
            );
            const out = await ClickInlineKeyboardButton.invoke(sender, {
                groupId: 1,
                botAppid: 1,
                buttonId: 'x',
                callbackData: 'y',
                msgSeq: 1,
            });
            expect(out).toMatchObject({ result: 7, errMsg: 'denied', promptText: 'try again' });
        });

        it('encodes envelope body with all fields', async () => {
            const sender = makeSender();
            await ClickInlineKeyboardButton.invoke(sender, {
                groupId: 12345,
                botAppid: 67890,
                buttonId: 'b',
                callbackData: 'c',
                msgSeq: 999,
            });
            const [, bytes] = sender.sendRawPacket.mock.calls[0]!;
            const env = protobuf_decode<OidbBase<Oidb0x112eReq>>(bytes);
            expect(env.body).toMatchObject({
                botAppid: 67890n,
                msgSeq: 999n,
                buttonId: 'b',
                callbackData: 'c',
                groupId: 12345n,
                unknown9: 1,
            });
        });
    });
});