using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using Oqtane.Services;
using Oqtane.Shared;

namespace SZUAbsolventenverein.Module.BlackBoard.Services
{
    public interface IBlackBoardService 
    {
        Task<List<Models.BlackBoard>> GetBlackBoardsAsync(int ModuleId);

        Task<Models.BlackBoard> GetBlackBoardAsync(int BlackBoardId, int ModuleId);

        Task<Models.BlackBoard> AddBlackBoardAsync(Models.BlackBoard BlackBoard);

        Task<Models.BlackBoard> UpdateBlackBoardAsync(Models.BlackBoard BlackBoard);

        Task DeleteBlackBoardAsync(int BlackBoardId, int ModuleId);
    }

    public class BlackBoardService : ServiceBase, IBlackBoardService
    {
        public BlackBoardService(HttpClient http, SiteState siteState) : base(http, siteState) { }

        private string Apiurl => CreateApiUrl("BlackBoard");

        public async Task<List<Models.BlackBoard>> GetBlackBoardsAsync(int ModuleId)
        {
            List<Models.BlackBoard> BlackBoards = await GetJsonAsync<List<Models.BlackBoard>>(CreateAuthorizationPolicyUrl($"{Apiurl}?moduleid={ModuleId}", EntityNames.Module, ModuleId), Enumerable.Empty<Models.BlackBoard>().ToList());
            return BlackBoards.OrderBy(item => item.Name).ToList();
        }

        public async Task<Models.BlackBoard> GetBlackBoardAsync(int BlackBoardId, int ModuleId)
        {
            return await GetJsonAsync<Models.BlackBoard>(CreateAuthorizationPolicyUrl($"{Apiurl}/{BlackBoardId}/{ModuleId}", EntityNames.Module, ModuleId));
        }

        public async Task<Models.BlackBoard> AddBlackBoardAsync(Models.BlackBoard BlackBoard)
        {
            return await PostJsonAsync<Models.BlackBoard>(CreateAuthorizationPolicyUrl($"{Apiurl}", EntityNames.Module, BlackBoard.ModuleId), BlackBoard);
        }

        public async Task<Models.BlackBoard> UpdateBlackBoardAsync(Models.BlackBoard BlackBoard)
        {
            return await PutJsonAsync<Models.BlackBoard>(CreateAuthorizationPolicyUrl($"{Apiurl}/{BlackBoard.BlackBoardId}", EntityNames.Module, BlackBoard.ModuleId), BlackBoard);
        }

        public async Task DeleteBlackBoardAsync(int BlackBoardId, int ModuleId)
        {
            await DeleteAsync(CreateAuthorizationPolicyUrl($"{Apiurl}/{BlackBoardId}/{ModuleId}", EntityNames.Module, ModuleId));
        }
    }
}