using System.Security.Claims;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using SurveyBackend.Core.Contexts;
using SurveyBackend.DTOs.Survey;
using SurveyBackend.Mappers;
using SurveyBackend.Services.Exceptions;
using SurveyLib.Core.Models;
using SurveyLib.Core.Services;

namespace SurveyBackend.Controllers;

/// <inheritdoc />
[ApiController]
[Route("api/surveys")]
public class SurveyController : ControllerBase
{
    private readonly ISurveyService _surveyService;
    private readonly IUserContext _userContext;

    /// <inheritdoc />
    public SurveyController(ISurveyService surveyService, IUserContext userContext)
    {
        _surveyService = surveyService;
        _userContext = userContext;
    }

    /// <summary>
    /// Получить ВСЕ опросы
    /// </summary>
    /// <remarks>Возвращает массив вообще всех опросов</remarks>
    /// <returns></returns>
    [AllowAnonymous]
    [HttpGet]
    [ProducesResponseType(typeof(List<OutputSurveyDto>), StatusCodes.Status200OK)]
    public async Task<IActionResult> Get()
    {
        var surveys = await _surveyService.GetSurveysAsync();
        var result = surveys.Select(SurveyMapper.ModelToOutputDto);
        return Ok(result);
    }

    /// <summary>
    /// Получить опрос по ID
    /// </summary>
    /// <remarks>А что тут говорить то</remarks>
    /// <param name="id"></param>
    /// <returns></returns>
    [AllowAnonymous]
    [HttpGet("{id}")]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    [ProducesResponseType(typeof(OutputSurveyDto), StatusCodes.Status200OK)]
    public async Task<IActionResult> Get(int id)
    {
        var survey = await _surveyService.GetSurveyAsync(id);
        var result = SurveyMapper.ModelToOutputDto(survey);
        return Ok(result);
    }

    /// <summary>
    /// Добавить новый опрос
    /// </summary>
    /// <remarks></remarks>
    /// <param name="dto"></param>
    /// <returns></returns>
    [Authorize]
    [HttpPost]
    [ProducesResponseType(StatusCodes.Status200OK)]
    public async Task<IActionResult> Post([FromBody] CreateSurveyDto dto)
    {
        var userId = _userContext.UserId;

        var survey = SurveyMapper.CreateDtoToModel(dto, userId);
        await _surveyService.AddSurveyAsync(survey);
        var result = SurveyMapper.ModelToOutputDto(survey);
        return Ok(result);
    }

    /// <summary>
    /// Обновляет опрос целиком
    /// </summary>
    /// <param name="id"></param>
    /// <param name="dto"></param>
    /// <returns></returns>
    [Authorize]
    [HttpPut("{id}")]
    public async Task<IActionResult> Put(int id, [FromBody] UpdateSurveyDto dto)
    {
        var userId = _userContext.UserId;
        var survey = SurveyMapper.UpdateDtoToModel(dto, userId, id);
        await _surveyService.UpdateSurveyAsync(survey);
        var result = SurveyMapper.ModelToOutputDto(survey);
        return Ok(result);
    }

    /// <summary>
    /// Удалить опрос по ID
    /// </summary>
    /// <remarks>Опрос должен быть создан тобой чтоб его удалить</remarks>
    /// <param name="id"></param>
    /// <returns></returns>
    [Authorize]
    [HttpDelete("{id}")]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    [ProducesResponseType(StatusCodes.Status401Unauthorized)]
    [ProducesResponseType(StatusCodes.Status200OK)]
    public async Task<IActionResult> Delete(int id)
    {
        await _surveyService.DeleteSurveyAsync(id);
        return Ok();
    }

    /// <summary>
    /// Получить МОИ опроса
    /// </summary>
    /// <remarks>Возвращает только опросы созданные нынешним юзером</remarks>
    /// <returns></returns>
    [Authorize]
    [HttpGet("my")]
    [ProducesResponseType(StatusCodes.Status401Unauthorized)]
    [ProducesResponseType(typeof(List<OutputSurveyDto>), StatusCodes.Status200OK)]
    public async Task<IActionResult> GetMySurveys()
    {
        var userId = _userContext.UserId;

        var result = await _surveyService.GetSurveysByUserIdAsync(userId);
        return Ok(result);
    }
}