using AsbCloudApp.Data;
using AsbCloudApp.Services;
using AsbCloudDb.Model;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Threading;
using System.Threading.Tasks;

namespace AsbCloudWebApi.Controllers
{
    /// <summary>
    /// Инфо о скважине
    /// </summary>
    [Route("api/well")]
    [ApiController]
    [Authorize]
    public class WellController : ControllerBase
    {
        private readonly IWellService wellService;

        public WellController(IWellService wellService)
        {
            this.wellService = wellService;
        }

        /// <summary>
        /// Возвращает список доступных скважин
        /// </summary>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns>Список скважин</returns>
        [HttpGet]
        [Permission]
        [ProducesResponseType(typeof(IEnumerable<WellDto>), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetWellsAsync(CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null)
                return NoContent();

            var wells = await wellService.GetAsync(new() { IdCompany = idCompany },
                token).ConfigureAwait(false);

            return Ok(wells);
        }

        /// <summary>
        /// Возвращает список доступных скважин
        /// </summary>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns>Список скважин</returns>
        [HttpGet("wellTree")]
        [ProducesResponseType(typeof(IEnumerable<DepositBranchDto>), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetWellTreeAsync(CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null)
                return NoContent();

            var wells = await wellService.GetWellTreeAsync((int)idCompany,
                token).ConfigureAwait(false);

            return Ok(wells);
        }

        /// <summary>
        /// Возвращает информацию о требуемой скважине 
        /// </summary>
        /// <param name="idWell"> Id требуемой скважины </param>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns>Информация о требуемой скважине </returns>
        [HttpGet("{idWell}")]
        [Permission]
        [ProducesResponseType(typeof(WellDto), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> GetAsync(int idWell, CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null || !await wellService.IsCompanyInvolvedInWellAsync(idCompany ?? default, idWell, token).ConfigureAwait(false))
                return Forbid();

            var well = await wellService.GetOrDefaultAsync(idWell,
                token).ConfigureAwait(false);

            return Ok(well);
        }

        /// <summary>
        /// Редактирует указанные поля скважины
        /// </summary>
        /// <param name="dto"> Объект параметров скважины.
        /// IdWellType: 1 - Наклонно-направленная, 2 - Горизонтальная.
        /// State: 0 - Неизвестно, 1 - В работе, 2 - Завершена.</param>
        /// <param name="token"> Токен отмены задачи </param>
        /// <returns></returns>
        [HttpPut]
        [Permission]
        [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> UpdateWellAsync(WellDto dto,
            CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null || !await wellService.IsCompanyInvolvedInWellAsync((int)idCompany,
                dto.Id, token).ConfigureAwait(false))
                return Forbid();

            var result = await wellService.UpdateAsync(dto, token)
                .ConfigureAwait(false);

            return Ok(result);

        }

        /// <summary>
        /// Обновляет статус скважины
        /// </summary>
        /// <param name="idWell">ключ скважины</param>
        /// <param name="idState">статус: 0 - Неизвестно, 1 - В работе, 2 - Завершена.</param>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpPut("{idWell}/state")]
        [Permission]
        [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
        public async Task<IActionResult> UpdateWellStateAsync(int idWell,
            [Range(0, 2, ErrorMessage = "Статус некорректен")] int idState,
            CancellationToken token = default)
        {
            var idCompany = User.GetCompanyId();

            if (idCompany is null || !await wellService.IsCompanyInvolvedInWellAsync((int)idCompany,
                idWell, token).ConfigureAwait(false))
                return Forbid();

            var dto = wellService.GetOrDefault(idWell)!;
            dto.IdState = idState;

            var result = await wellService.UpdateAsync(dto, token)
                .ConfigureAwait(false);

            return Ok(result);

        }
    }
}