namespace MyOffice.Web.Controllers;

using AutoMapper;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Authorization;

using Core;
using Core.Extensions;
using Models.Account;
using Services.Account;
using Services.Account.Domain;
using Infrastructure.Attributes;
using Services.Identity;

[Authorize]
[ApiController]
[Route("api/settings/accounts")]
[DefaultFromBody]
public class SettingsAccountController : BaseApiController
{
	private readonly ILogger<SettingsAccountController> _logger;
	private readonly IMapper _mapper;
	private readonly AccountService _accountService;
	private readonly IContextProvider _contextProvider;

	public SettingsAccountController(
		ILogger<SettingsAccountController> logger,
		IMapper mapper,
		AccountService accountService,
		IContextProvider contextProvider
	)
	{
		_logger = logger;
		_mapper = mapper;
		_accountService = accountService;
		_contextProvider = contextProvider;
	}

	[HttpGet("invites")]
	public async Task<ObjectResult> AccountInvites(CancellationToken cancellationToken)
	{
		var invites = await _accountService.InvitesGetAsync(_contextProvider.User.Email, cancellationToken);

		return OkResponse(_mapper.Map<List<AccountAccessInviteViewModel>>(invites));
	}

	[HttpPost("invites/{id}/accept")]
	public async Task<ObjectResult> AccountInviteAccept([AsGuid] string id, AccountInviteAcceptRequest request, CancellationToken cancellationToken)
	{
		var exec = await _accountService.InviteAcceptAsync(UserId, id.AsGuid(), request.Name, cancellationToken);

		switch (exec.Status)
		{
			case InviteAcceptStatus.invite_not_found:
				return ProblemNotFoundResponse("Invite not found.");
			case InviteAcceptStatus.account_not_found:
				return ProblemNotFoundResponse("Account not found.");

			case InviteAcceptStatus.already_accepted:
			case InviteAcceptStatus.success:
				return OkResponse(_mapper.Map<AccountViewModel>(exec.Result!));

			default:
				throw new NotSupportedException(exec.Status.ToString());
		}
	}

	[HttpPost("invites/{id}/reject")]
	public async Task<ObjectResult> AccountInviteReject([AsGuid] string id, CancellationToken cancellationToken)
	{
		var exec = await _accountService.InviteRejectAsync(id.AsGuid(), cancellationToken);

		return MapGeneralExec(
			exec,
			result => OkResponse(_mapper.Map<AccountAccessInviteViewModel>(result)),
			notFoundDetail: "Invite not found.",
			failureDetail: "Invite reject failed.");
	}

	[HttpGet]
	public async Task<ObjectResult> AccountsGet([FromQuery][AsGuid(true)] string? category, CancellationToken cancellationToken)
	{
		var list = category.IsPresent()
			? await _accountService.GetByCategoryAsync(UserId, category!.AsGuid(), cancellationToken)
			: await _accountService.GetAllAccountsAsync(UserId, cancellationToken);

		return OkResponse(_mapper.Map<List<AccountViewModel>>(list.OrderBy(x => x.Name)));
	}

	[HttpPost]
	public async Task<ObjectResult> AccountsAdd(AccountViewModel request, CancellationToken cancellationToken)
	{
		var exec = await _accountService.AccountAddAsync(UserId, new AccountAdd
		{
			Name = request.Name,
			CurrencyId = request.CurrencyId,
			CategoryId = request.CategoryId.AsGuid(),
			Type = request.Type,
		}, cancellationToken);

		switch (exec.Status)
		{
			case AccountAddStatus.category_not_found:
				return ProblemNotFoundResponse("Category not found.");
			case AccountAddStatus.currency_not_found:
				return ProblemNotFoundResponse("Currency not found.");
			case AccountAddStatus.failure:
				return ProblemBadResponse("Adding account failed.");
			case AccountAddStatus.success:
				return OkResponse(_mapper.Map<AccountViewModel>(exec.Result!));

			default:
				throw new NotSupportedException(exec.Status.ToString());
		}
	}

	[HttpPut("{id}")]
	public async Task<ObjectResult> AccountsUpdate([AsGuid] string id, AccountEditRequestModel request, CancellationToken cancellationToken)
	{
		var exec = await _accountService.AccountUpdateAsync(UserId, id.AsGuid(), new AccountEdit
		{
			Name = request.Name,
			CurrencyId = request.CurrencyId,
			CategoryId = request.CategoryId?.AsGuidNull(),
			UserId = request.UserId?.AsGuidNull(),
			Type = request.Type,
		}, cancellationToken);

		switch (exec.Status)
		{
			case AccountEditStatus.not_found:
				return ProblemNotFoundResponse("Account not found.");
			case AccountEditStatus.forbidden:
				return ProblemForbiddenResponse("Manage access required.");
			case AccountEditStatus.category_not_found:
				return ProblemNotFoundResponse("Category not found.");
			case AccountEditStatus.currency_not_found:
				return ProblemNotFoundResponse("Currency not found.");
			case AccountEditStatus.failure:
				return ProblemBadResponse("Adding account failed.");
			case AccountEditStatus.success:
				return OkResponse(_mapper.Map<AccountViewModel>(exec.Result!));

			default:
				throw new NotSupportedException(exec.Status.ToString());
		}
	}

	[HttpDelete("{id}")]
	public async Task<ObjectResult> AccountsDelete([AsGuid] string id, CancellationToken cancellationToken)
	{
		var exec = await _accountService.AccountDeleteAsync(UserId, id, cancellationToken);
		return MapGeneralExec(
			exec,
			result => OkResponse(_mapper.Map<AccountViewModel>(result)),
			notFoundDetail: "Account not found.",
			forbiddenDetail: "Manage access required.");
	}

	[HttpDelete("{id}/category/{categoryId}")]
	public async Task<ObjectResult> AccountsCategoryDelete([AsGuid] string id, [AsGuid] string categoryId, CancellationToken cancellationToken)
	{
		var exec = await _accountService.AccountCategoryRemoveAsync(UserId, id.AsGuid(), categoryId.AsGuid(), cancellationToken);

		return MapGeneralExec(
			exec,
			result => OkResponse(_mapper.Map<AccountViewModel>(result)),
			notFoundDetail: "Category not found.",
			failureDetail: "Category remove failed.",
			forbiddenDetail: "Manage access required.");
	}

	[HttpPost("{id}/access")]
	public async Task<ObjectResult> AccountsAccessAdd([AsGuid] string id, AccountAccessViewModel request, CancellationToken cancellationToken)
	{
		var model = _mapper.Map<List<AccountAccessDto>>(request.Accesses);

		var exec = await _accountService.AccessUpdateAsync(UserId, id.AsGuid(), model, cancellationToken);

		if (exec.Status != GeneralExecStatus.success)
		{
			return MapGeneralExec(
				exec,
				_ => OkResponse(_mapper.Map<AccountViewModel>(exec.Result!)),
				notFoundDetail: "Account not found.",
				failureDetail: "Access update failed.",
				forbiddenDetail: "Manage access required.");
		}

		if (!request.Email.IsPresent())
		{
			return OkResponse(_mapper.Map<AccountViewModel>(exec.Result!));
		}

		var inviteExec = await _accountService.AccessInviteAsync(UserId, id.AsGuid(), request.Email!, request.AllowWrite, cancellationToken);

		switch (inviteExec.Status)
		{
			case AccessInviteStatus.account_not_found:
				return ProblemNotFoundResponse("Account not found.");
			case AccessInviteStatus.forbidden:
				return ProblemForbiddenResponse("Manage access required.");

			case AccessInviteStatus.access_exists:
			case AccessInviteStatus.invite_exists:
			case AccessInviteStatus.success:
				return OkResponse(_mapper.Map<AccountViewModel>(exec.Result!));

			default:
				throw new NotSupportedException(exec.Status.ToString());
		}
	}

	[HttpDelete("{id}/access/{userId}")]
	public async Task<ObjectResult> AccountsAccessDelete([AsGuid] string id, [AsGuid] string userId, CancellationToken cancellationToken)
	{
		var exec = await _accountService.AccessDeleteAsync(UserId, id.AsGuid(), userId.AsGuid(), cancellationToken);

		return MapGeneralExec(
			exec,
			result => OkResponse(_mapper.Map<AccountViewModel>(result)),
			notFoundDetail: "Account not found.",
			failureDetail: "Access delete failed.",
			forbiddenDetail: "Manage access required.");
	}
}