using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using SharpRSS.API.Auth;
using SharpRSS.API.Contracts;
using SharpRSS.API.Contracts.DTO;
using SharpRSS.API.Contracts.Models.User;
using SharpRSS.API.Data;
using SharpRSS.API.Models;
using SharpRSS.API.Models.Auth;

namespace SharpRSS.API.Controllers
{
    [ApiController]
    [SessionAuthorize]
    [Route("api/[controller]")]
    public class AuthController : ControllerBase
    {
        public AuthController(AuthService authService)
        {
            _authService = authService;
        }

        private readonly AuthService _authService;

        [HttpPost("[action]")]
        [AllowAnonymous]
        public async Task<ActionResult<string>> Authenticate(AuthenticateUser authenticateUser)
        {   // Return test result
            return Ok(new { Expires = DateTime.Now.Add(TimeSpan.FromDays(7)), SessionToken = Guid.NewGuid().ToString(), Released = DateTime.Now });
        }

        [HttpPost("user")]
        [SessionAuthorize("auth:user:create")]
        public async Task<ActionResult<UserDto>> CreateUser(AuthenticateUser authenticateUser)
        {
            Result<User> result = await _authService.CreateUser(authenticateUser);
            if (result.Success)
                return Ok(Models.Auth.User.ToDto(result.Value ?? new User()));
            return BadRequest(new ApiResult(result.Message, ApiResults.Error));
        }

        [HttpGet("user")]
        [SessionAuthorize("auth:user:get")]
        public async Task<ActionResult<ApiListResult<IEnumerable<UserDto>>>> GetUsers(int take, int skip)
        {
            var usersAuth = await _authService.GetUsers(take, skip);
            List<UserDto> users = usersAuth.Value?.Select(Models.Auth.User.ToDto).ToList() ?? new List<UserDto>();
            return Ok(new ApiListResult<IEnumerable<UserDto>>(users.Count, await _authService.UserCount(), users));
        }
    }
}