@page "/applications/{ApplicationId}"
@using System.Net
@using BlazorWebAssemblyVisaApiClient.Common.Exceptions
@using BlazorWebAssemblyVisaApiClient.Components
@using BlazorWebAssemblyVisaApiClient.Infrastructure.Helpers
@using BlazorWebAssemblyVisaApiClient.Infrastructure.Services.UserDataProvider
@using BlazorWebAssemblyVisaApiClient.Validation.Applicants.Models
@using BlazorWebAssemblyVisaApiClient.Validation.VisaApplications.Models
@using VisaApiClient
@inherits BlazorWebAssemblyVisaApiClient.Components.Base.VisaClientComponentBase

<PageTitle>Application</PageTitle>

<table class="table table-bordered table-hover table-sm">
    <tbody>
    <tr>
        <td >
            Applicant's fullname:<br/>
            <em>@NameToString(application.Applicant.Name)</em>
        </td>
        <td colspan="2">
            Date of birth:<br/>
            <em>@application.Applicant.BirthDate.ToString("d")</em>
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Country and city of birth:<br/>
            <em>@application.Applicant.CountryOfBirth, @application.Applicant.CityOfBirth</em>
        </td>
    </tr>
    <tr>
        <td colspan="2">
            Citizenship:<br/>
            <em>@application.Applicant.Citizenship</em>
        </td>
        <td>
            Citizenship by birth:<br/>
            <em>@application.Applicant.CitizenshipByBirth</em>
        </td>
    </tr>
    <tr>
        <td >
            Gender:<br/>
            <em>@application.Applicant.Gender.GetDisplayName()</em>
        </td>
        <td colspan="2">
            Marital status:<br/>
            <em>@(((MaritalStatusModel)application.Applicant.MaritalStatus).GetDisplayName())</em>
        </td>
    </tr>
    <tr>
        <td >
            Father's fullname:<br/>
            <em>@NameToString(application.Applicant.FatherName)</em>
        </td>
        <td colspan="2">
            Mother's fullname:<br/>
            <em>@NameToString(application.Applicant.MotherName)</em>
        </td>
    </tr>
    <tr>
        <td >
            Passport number:<br/>
            <em>@application.Applicant.Passport.Number</em>
        </td>
        <td >
            Issue date:<br/>
            <em>@application.Applicant.Passport.IssueDate.ToString("d")</em>
        </td>
        <td >
            Expiration date:<br/>
            <em>@application.Applicant.Passport.ExpirationDate.ToString("d")</em>
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Passport issuer:<br/>
            <em>@application.Applicant.Passport.Issuer</em>
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Re-entry permission (for non-residents):<br/>
            @if (application.Applicant.IsNonResident)
            {
                <em>@(application.ReentryPermit is null ? "None" : $"{application.ReentryPermit.Number}, expires at {application.ReentryPermit.ExpirationDate:d}")</em>
            }
            else
            {
                <em>Not non-resident</em>
            }
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Job title:<br/>
            <em>@application.Applicant.JobTitle</em>
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Place of work, address, hirer's phone number:<br/>
            <em>
                @((MarkupString)$"{application.Applicant.PlaceOfWork.Name}<br>Address: {AddressToString(application.Applicant.PlaceOfWork.Address)}<br>Phone num: {application.Applicant.PlaceOfWork.PhoneNum}")
            </em>
        </td>
    </tr>
    <tr>
        <td >
            Destination Country:<br/>
            <em>@application.DestinationCountry</em>
        </td>
        <td >
            Visa category:<br/>
            <em>@(((VisaCategoryModel)application.VisaCategory).GetDisplayName())</em>
        </td>
        <td >
            Visa:<br/>
            <em>@(application.ForGroup ? "For group" : "Individual")</em>
        </td>
    </tr>
    <tr>
        <td >
            Requested number of entries:<br/>
            <em>@application.RequestedNumberOfEntries.GetDisplayName()</em>
        </td>
        <td colspan="2">
            Valid for:<br/>
            <em>@($"{application.ValidDaysRequested} days")</em>
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Past visas:<br/>
            @if (application.PastVisas.Any())
            {
                foreach (var visa in application.PastVisas)
                {
                    <em>@($"{visa.Name} issued at {visa.IssueDate:d} and was valid until {visa.ExpirationDate:d}")</em>
                    <br/>
                }
            }
            else
            {
                <em>None</em>
            }
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Permission to destination Country, if transit:<br/>
            @if (application.VisaCategory is VisaCategory.Transit)
            {
                <em>@(application.PermissionToDestCountry is null ? "None" : $"Expires at {application.PermissionToDestCountry.ExpirationDate}, issued by: {application.PermissionToDestCountry.Issuer}")</em>
            }
            else
            {
                <em>Non-transit</em>
            }
        </td>
    </tr>
    <tr>
        <td colspan="3">
            Past visits:<br/>
            @if (application.PastVisas.Any())
            {
                foreach (var visit in application.PastVisits)
                {
                    <em>@($"Visit to {visit.DestinationCountry}, entered at {visit.StartDate:d} and lasts until {visit.EndDate:d}")</em>
                    <br/>
                }
            }
            else
            {
                <em>None</em>
            }
        </td>
    </tr>
    </tbody>
</table>
@if (currentRole == Constants.ApprovingAuthorityRole)
{
    <button class="btn-outline-primary" @onclick="Approve">Approve</button>
    <button class="btn-outline-danger" @onclick="Reject">Reject</button>
    <Status @ref="status"/>
}

@code {
    private VisaApplicationModel application = new();
    private string currentRole = null!;
    private Status status = null!;

    [Parameter] public string ApplicationId { get; set; } = null!;

    [Inject] private IUserDataProvider UserDataProvider { get; set; } = null!;

    [Inject] private NavigationManager Nav { get; set; } = null!;

    protected override async Task OnInitializedAsync()
    {
        try
        {
            var applicationId = Guid.Parse(ApplicationId);
            currentRole = UserDataProvider.CurrentRole ?? throw new NotLoggedInException();

                application = currentRole switch
                {
                    Constants.ApplicantRole => await Client.GetApplicationForApplicantAsync(applicationId),
                    Constants.ApprovingAuthorityRole => await Client.GetApplicationForAuthorityAsync(applicationId),
                    _ => throw new NotLoggedInException()
                };
        }
        catch (Exception e)
        {

            if (e is ApiException<ProblemDetails> { Result.Status: (int)HttpStatusCode.Conflict })
            {
                Nav.NavigateTo("/applications");
            }
            ErrorHandler.Handle(e);
        }
    }

    private static string NameToString(NameModel name)
        => $"{name.FirstName} {name.Surname} {name.Patronymic}".TrimEnd();

    private static string AddressToString(AddressModel address)
        => $"{address.Country}, {address.City}, {address.Street} {address.Building}";

    private async void Approve()
    {
        try
        {
            status.SetMessage("Wait...");
            await Client.SetStatusFromAuthorityAsync(application.Id, AuthorityRequestStatuses.Approved);
            Nav.NavigateTo("/applications");
        }
        catch (Exception e)
        {
            status.SetError("Error occured.");
            ErrorHandler.Handle(e);
        }
    }

    private async void Reject()
    {
        try
        {
            status.SetMessage("Wait...");
            await Client.SetStatusFromAuthorityAsync(application.Id, AuthorityRequestStatuses.Rejected);
            Nav.NavigateTo("/applications");
        }
        catch (Exception e)
        {
            status.SetError("Error occured.");
            ErrorHandler.Handle(e);
        }
    }

}