using System;
using System.Linq;
using System.Net;
using System.Threading;
using System.Threading.Tasks;
using AsbCloudApp.Data;
using AsbCloudApp.Data.DailyReport;
using AsbCloudApp.Data.DailyReport.Blocks.Sign;
using AsbCloudApp.Data.DailyReport.Blocks.Subsystems;
using AsbCloudApp.Data.DailyReport.Blocks.TimeBalance;
using AsbCloudApp.Exceptions;
using AsbCloudApp.Repositories;
using AsbCloudApp.Requests;
using AsbCloudApp.Services;
using AsbCloudApp.Services.DailyReport;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace AsbCloudWebApi.Controllers;

/// <summary>
/// Суточный отчёт
/// </summary>
[ApiController]
[Route("api/well/{idWell:int}/[controller]")]
[Authorize]
public class DailyReportController : ControllerBase
{
	private readonly IWellOperationRepository wellOperationRepository;
	private readonly IDailyReportService dailyReportService;
	private readonly IDailyReportExportService dailyReportExportService;
	private readonly IWellService wellService;

	public DailyReportController(IWellOperationRepository wellOperationRepository,
		IDailyReportService dailyReportService,
		IDailyReportExportService dailyReportExportService,
		IWellService wellService)
	{
		this.wellOperationRepository = wellOperationRepository;
		this.dailyReportService = dailyReportService;
		this.dailyReportExportService = dailyReportExportService;
		this.wellService = wellService;
	}

	private int IdUser
	{
		get
		{
			var idUser = User.GetUserId();

			if (!idUser.HasValue)
				throw new ForbidException("Неизвестный пользователь");

			return idUser.Value;
		}
	}

	/// <summary>
	/// Обновить подпись
	/// </summary>
	/// <param name="idWell">Id скважины</param>
	/// <param name="dateDailyReport">Дата суточного отчёта</param>
	/// <param name="signBlock">Обновляемый блок</param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	[HttpPut("sign")]
	[Permission]
	[ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
	[ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
	public Task<IActionResult> UpdateSignBlockAsync(int idWell, DateOnly dateDailyReport, SignBlockDto signBlock,
		CancellationToken cancellationToken) =>
		UpdateOrInsertAsync(idWell, dateDailyReport, signBlock, cancellationToken);

	/// <summary>
	/// Обновить наработку подсистем
	/// </summary>
	/// <param name="idWell">Id скважины</param>
	/// <param name="dateDailyReport">Дата суточного отчёта</param>
	/// <param name="subsystemBlock">Обновляемый блок</param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	[HttpPut("subsystem")]
	[Permission]
	[ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
	[ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
	public Task<IActionResult> UpdateSubsystemBlockAsync(int idWell, DateOnly dateDailyReport, SubsystemBlockDto subsystemBlock,
		CancellationToken cancellationToken)
	{
		var validSubsystemNames = new[] { "АвтоСПО", "Автопроработка" };

		if (subsystemBlock.Subsystems.Any(m => !validSubsystemNames.Contains(m.Name)))
			throw new ArgumentInvalidException($"Возможно добавить подсистемы с именами {string.Join(", ", validSubsystemNames)}",
				nameof(subsystemBlock.Subsystems));

		return UpdateOrInsertAsync(idWell, dateDailyReport, subsystemBlock, cancellationToken);
	}

	/// <summary>
	/// Обновить баланс времени
	/// </summary>
	/// <param name="idWell">Id скважины</param>
	/// <param name="dateDailyReport">Дата суточного отчёта</param>
	/// <param name="timeBalanceBlock">Обновляемый блок</param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	[HttpPut("timeBalance")]
	[Permission]
	[ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
	[ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
	public Task<IActionResult> UpdateTimeBalanceBlockAsync(int idWell, DateOnly dateDailyReport, TimeBalanceBlockDto timeBalanceBlock,
		CancellationToken cancellationToken)
	{
		var validWellOperationsIds = new[] { 1, 2, 3, 4 };

		if (timeBalanceBlock.WellOperations.Any(o => !validWellOperationsIds.Contains(o.IdWellOperation)))
			throw new ArgumentInvalidException($"Возможно добавить операции только с Id: {string.Join(", ", validWellOperationsIds)}",
				nameof(timeBalanceBlock.WellOperations));

		var wellSections = wellOperationRepository.GetSectionTypes();

		if (wellSections.All(s => s.Id != timeBalanceBlock.IdSection))
			throw new ArgumentInvalidException($"Секция с Id: {timeBalanceBlock.IdSection} не найдена", nameof(timeBalanceBlock.IdSection));

		return UpdateOrInsertAsync(idWell, dateDailyReport, timeBalanceBlock, cancellationToken);
	}

	/// <summary>
	/// Получить список суточных отчётов по скважине
	/// </summary>
	/// <param name="idWell">Идентификатор скважины</param>
	/// <param name="request">Параметры запроса</param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	[HttpGet]
	[ProducesResponseType(typeof(PaginationContainer<DailyReportDto>), StatusCodes.Status200OK)]
	[ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
	public async Task<IActionResult> GetAsync(int idWell, [FromQuery] FileReportRequest request, CancellationToken cancellationToken)
	{
		await AssertUserAccessToWell(idWell, cancellationToken);

		var dailyReports = await dailyReportService.GetAsync(idWell, request, cancellationToken);

		return Ok(dailyReports);
	}
	
	/// <summary>
	/// Получить диапазон дат по которым возможно сформировать суточный отчёты
	/// </summary>
	/// <param name="idWell">Id скважины</param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	[HttpGet("datesRange")]
	[ProducesResponseType(typeof(DatesRangeDto), (int)HttpStatusCode.OK)]
	public async Task<IActionResult> GetDatesRangeAsync(int idWell, CancellationToken cancellationToken)
	{
		await AssertUserAccessToWell(idWell, cancellationToken);

		var datesRanges = await dailyReportService.GetDatesRangeAsync(idWell, cancellationToken);

		return Ok(datesRanges);
	}
	
	/// <summary>
	/// Экспорт суточного рапорта
	/// </summary>
	/// <param name="idWell">Id скважины</param>
	/// <param name="dateDailyReport">Дата формирования суточного отчёта</param>
	/// <param name="cancellationToken"></param>
	/// <returns></returns>
	[HttpGet("{dateDailyReport}")]
	[ProducesResponseType(typeof(PhysicalFileResult), StatusCodes.Status200OK)]
	[ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
	public async Task<IActionResult> ExportAsync(int idWell, DateOnly dateDailyReport, CancellationToken cancellationToken)
	{
		await AssertUserAccessToWell(idWell, cancellationToken);

		var dailyReport = await dailyReportExportService.ExportAsync(idWell, dateDailyReport, cancellationToken);

		return File(dailyReport.File, "application/octet-stream", dailyReport.FileName);
	}

	private async Task<IActionResult> UpdateOrInsertAsync<TBlock>(int idWell, DateOnly dateDailyReport, TBlock block,
		CancellationToken cancellationToken)
		where TBlock : ItemInfoDto
	{
		await AssertUserAccessToWell(idWell, cancellationToken);
		
		var id = await dailyReportService.UpdateOrInsertAsync(idWell, dateDailyReport, IdUser, block, cancellationToken);

		return Ok(id);
	}

	private async Task AssertUserAccessToWell(int idWell, CancellationToken cancellationToken)
	{
		var idCompany = User.GetCompanyId();

		if (!idCompany.HasValue || !await wellService.IsCompanyInvolvedInWellAsync(idCompany.Value, idWell, cancellationToken))
			throw new ForbidException("Нет доступа к скважине");
	}
}