using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Chtn.CSharp.SDK.Core;
using Chtn.CSharp.SDK.Models.Chat.DM;

namespace Chtn.CSharp.SDK.Services
{
    public interface IDMService
    {
        Task<List<DmMessage>> Get(GetMessagesReq req);
        Task<GetMessagePosResp> GetMessagePos(GetMessagePosReq req);
        Task<List<PinnedMessage>> GetPinnedMessages(GetPinnedMessagesReq req);
        Task EditMessage(EditMessageReq req);
        Task DeleteMessage(DeleteMessageReq req);
        Task FinishMessage(FinishMessageReq req);
        Task ReadMessages(ReadMessagesReq req);
        Task PinMessage(PinMessageReq req);
        Task UnpinMessage(UnpinMessageReq req);
        Task DeleteMessages(DeleteMessagesReq req);
        Task JoinWebsocketRoom(JoinWsRoomReq req);
    }

    public class DMServiceProvider : IDMService
    {
        private readonly ApiClient _apiClient;
        public DMServiceProvider(ApiClient apiClient)
        {
            _apiClient = apiClient ?? throw new ArgumentNullException(nameof(apiClient));
        }
        public async Task<List<DmMessage>> Get(GetMessagesReq req) =>
            await _apiClient.PostAsync<GetMessagesReq, List<DmMessage>>("chat/dm/messages", req);

        public async Task<GetMessagePosResp> GetMessagePos(GetMessagePosReq req) =>
            await _apiClient.PostAsync<GetMessagePosReq, GetMessagePosResp>("chat/dm/getMessagePosition", req);

        public async Task<List<PinnedMessage>> GetPinnedMessages(GetPinnedMessagesReq req) =>
            await _apiClient.PostAsync<GetPinnedMessagesReq, List<PinnedMessage>>("chat/dm/pinnedMessages", req);

        public async Task EditMessage(EditMessageReq req) =>
            await _apiClient.PostAsync<EditMessageReq, object>("chat/dm/editMessage", req);

        public async Task DeleteMessage(DeleteMessageReq req) =>
            await _apiClient.PostAsync<DeleteMessageReq, object>("chat/dm/deleteMessage", req);

        public async Task FinishMessage(FinishMessageReq req) =>
            await _apiClient.PostAsync<FinishMessageReq, object>("chat/dm/finishMessage", req);

        public async Task ReadMessages(ReadMessagesReq req) =>
            await _apiClient.PostAsync<ReadMessagesReq, object>("chat/dm/readMessages", req);

        public async Task PinMessage(PinMessageReq req) =>
            await _apiClient.PostAsync<PinMessageReq, object>("chat/dm/pinMessage", req);

        public async Task UnpinMessage(UnpinMessageReq req) =>
            await _apiClient.PostAsync<UnpinMessageReq, object>("chat/dm/unpinMessage", req);

        public async Task DeleteMessages(DeleteMessagesReq req) =>
            await _apiClient.PostAsync<DeleteMessagesReq, object>("chat/dm/deleteMessages", req);

        public async Task JoinWebsocketRoom(JoinWsRoomReq req) =>
            await _apiClient.PostAsync<JoinWsRoomReq, object>("v2/chat/dm/joinWebSocketRoom", req);
    }
}