using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Omu.ValueInjecter;
using Volo.Abp.Application.Dtos;
using Volo.Abp.Application.Services;
using Volo.Abp.Identity;

namespace BaseService.UserManagement
{
    [Route("api/[controller]/[action]")]
    [Authorize(IdentityPermissions.Roles.Default)]
    public class RoleAppService : ApplicationService
    {
        private IdentityRoleManager _roleManager { get; }
        private IIdentityRoleRepository _repository { get; }

        public RoleAppService(IdentityRoleManager roleManager, IIdentityRoleRepository roleRepository)
        {
            _roleManager = roleManager;
            _repository = roleRepository;
        }

        [HttpGet]
        public async Task<PagedResultDto<IdentityRoleDto>> GetListAsync(GetIdentityRolesInput input)
        {
            var totalCount = await _repository.GetCountAsync(input.Filter).ConfigureAwait(false);
            var items = await _repository.GetListAsync(input.Sorting, input.MaxResultCount, input.SkipCount,
               input.Filter).ConfigureAwait(false);
            var dtos = ObjectMapper.Map<List<IdentityRole>, List<IdentityRoleDto>>(items);
            return new PagedResultDto<IdentityRoleDto>(totalCount, dtos);
        }

        [HttpPost]
        [Authorize(IdentityPermissions.Roles.Create)]
        public async Task<IdentityRoleDto> CreateAsync(IdentityRoleCreateDto input)
        {
            var role = new IdentityRole(GuidGenerator.Create(), input.Name);
            role.InjectFrom(input);
            await _roleManager.CreateAsync(role).ConfigureAwait(false);
            var dto = ObjectMapper.Map<IdentityRole, IdentityRoleDto>(role);
            return dto;
        }

        [HttpPut("{id}")]
        [Authorize(IdentityPermissions.Roles.Update)]
        public async Task<IdentityRoleDto> UpdateAsync(Guid id, IdentityRoleUpdateDto input)
        {
            var role = await _roleManager.GetByIdAsync(id).ConfigureAwait(false);
            role.InjectFrom(input);
            await _roleManager.UpdateAsync(role).ConfigureAwait(false);
            var dto = ObjectMapper.Map<IdentityRole, IdentityRoleDto>(role);
            return dto;
        }

        [HttpDelete("{id}")]
        [Authorize(IdentityPermissions.Roles.Delete)]
        public async Task<IActionResult> Delete(Guid id)
        {
            var role = await _roleManager.GetByIdAsync(id).ConfigureAwait(false);
            await _roleManager.DeleteAsync(role).ConfigureAwait(false);
            return new OkResult();
        }
    }
}