using AsbCloudApp.Data.ProcessMapPlan;
using AsbCloudApp.Repositories;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Threading;
using Microsoft.AspNetCore.Http;
using AsbCloudApp.Exceptions;
using AsbCloudApp.Requests;
using System;
using AsbCloudApp.Services;
using System.Linq;

namespace AsbCloudWebApi.Controllers.ProcessMapPlan;

/// <summary>
/// РТК план
/// </summary>
[ApiController]
[Route("api/well/{idWell}/[controller]")]
[Authorize]
public abstract class ProcessMapPlanBaseController<TDto> : ControllerBase
    where TDto : ProcessMapPlanBaseDto
{
    private readonly IProcessMapPlanBaseRepository<TDto> repository;
    private readonly IWellService wellService;

    public ProcessMapPlanBaseController(IProcessMapPlanBaseRepository<TDto> repository, IWellService wellService)
    {
        this.repository = repository;
        this.wellService = wellService;
    }

    /// <summary>
    /// Добавление
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="dtos"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    [HttpPost]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public async Task<IActionResult> InsertRange([FromRoute] int idWell, IEnumerable<TDto> dtos, CancellationToken token)
    {
        if (idWell == 0 || dtos.Any(d => d.IdWell != idWell))
            return this.ValidationBadRequest(nameof(dtos), "all dtos should contain same idWell");

        var idUser = await AssertUserHasAccessToWell(idWell, token);
        var result = await repository.InsertRange(idUser, dtos, token);
        return Ok(result);
    }

    /// <summary>
    /// Удалить все по скважине и добавить новые
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="dtos"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    [HttpPost("replace")]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public async Task<IActionResult> ClearAndInsertRange([FromRoute] int idWell, IEnumerable<TDto> dtos, CancellationToken token)
    {
        if (idWell == 0 || dtos.Any(d => d.IdWell != idWell))
            return this.ValidationBadRequest(nameof(dtos), "all dtos should contain same idWell");

        var idUser = await AssertUserHasAccessToWell(idWell, token);
        var result = await repository.ClearAndInsertRange(idUser, idWell, dtos, token);
        return Ok(result);
    }

    /// <summary>
    /// Удаление
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="ids"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    [HttpDelete]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public async Task<IActionResult> DeleteRange([FromRoute]int idWell, IEnumerable<int> ids, CancellationToken token)
    {
        var idUser = await AssertUserHasAccessToWell(idWell, token);
        var result = await repository.DeleteRange(idUser, ids, token);
        return Ok(result);
    }

    /// <summary>
    /// Получение
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="request"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    [HttpGet]
    [ProducesResponseType(StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public async Task<ActionResult<IEnumerable<TDto>>> Get([FromRoute] int idWell, [FromQuery]ProcessMapPlanBaseRequest request, CancellationToken token)
    {
        await AssertUserHasAccessToWell(idWell, token);
        var result = await repository.Get(idWell, request, token);
        return Ok(result);
    }

    /// <summary>
    /// Изменения за определенную дату
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="date"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    [HttpGet("changeLog")]
    [ProducesResponseType(StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public async Task<ActionResult<IEnumerable<TDto>>> GetChangeLog([FromRoute] int idWell, [FromQuery] DateOnly? date, CancellationToken token) 
    {
        await AssertUserHasAccessToWell(idWell, token);
        var result = await repository.GetChangeLog(idWell, date, token);
        return Ok(result);
    }

    /// <summary>
    /// Даты за которые есть изменения
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    [HttpGet("dates")]
    [ProducesResponseType(StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public async Task<ActionResult<IEnumerable<DateOnly>>> GetDatesChange([FromRoute] int idWell, CancellationToken token)
    {
        await AssertUserHasAccessToWell(idWell, token);
        var result = await repository.GetDatesChange(idWell, token);
        return Ok(result);
    }

    /// <summary>
    /// Редактирование
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="dtos"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    [HttpPut]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
    public async Task<IActionResult> UpdateRange([FromRoute] int idWell, IEnumerable<TDto> dtos, CancellationToken token)
    {
        var first = dtos.FirstOrDefault();
        if(first is null)
            return NoContent();

        if (idWell == 0 || dtos.Any(d => d.IdWell != idWell))
            return this.ValidationBadRequest(nameof(dtos), "all dtos should contain same idWell");

        var idUser = await AssertUserHasAccessToWell(idWell, token);

        var result = await repository.UpdateRange(idUser, dtos, token);
        return Ok(result);
    }

    /// <summary>
    /// returns user id, if he has access to well
    /// </summary>
    /// <param name="idWell"></param>
    /// <param name="token"></param>
    /// <returns></returns>
    /// <exception cref="ForbidException"></exception>
    private async Task<int> AssertUserHasAccessToWell(int idWell, CancellationToken token)
    {
        var idUser = GetUserId();
        var idCompany = User.GetCompanyId();

        if (!idCompany.HasValue)
            throw new ForbidException("Нет доступа к скважине");

        if (!await wellService.IsCompanyInvolvedInWellAsync(idCompany.Value, idWell, token))
            throw new ForbidException("Нет доступа к скважине");
        return idUser;
    }

    /// <summary>
    /// returns user id or throw
    /// </summary>
    /// <returns></returns>
    /// <exception cref="ForbidException"></exception>
    private int GetUserId()
    {
        var idUser = User.GetUserId() ?? throw new ForbidException("Неизвестный пользователь");
        return idUser;
    }
}