@* <copyright file="CreationPanel.razor" company="MUnique">
   Licensed under the MIT License. See LICENSE file in the project root for full license information.
   </copyright> *@

@using MUnique.OpenMU.Web.AdminPanel.Properties
@using MUnique.OpenMU.Web.Shared.Components.Form
@using MUnique.OpenMU.Web.Shared.Services

@implements IDisposable
@inject CreationPanelService Panel
@inject Blazored.Toast.Services.IToastService ToastService

@if (this.Panel.Current is { } session)
{
    <div class="creation-panel @(this.Panel.IsCollapsed ? "collapsed" : "expanded")">
        <button type="button"
                class="collapse-toggle"
                title="@(this.Panel.IsCollapsed ? Resources.ShowEntryForm : Resources.HideEntryForm)"
                @onclick="@this.Panel.ToggleCollapse">
            <span class="oi @(this.Panel.IsCollapsed ? "oi-chevron-left" : "oi-chevron-right")" aria-hidden="true"></span>
        </button>
        @if (!this.Panel.IsCollapsed)
        {
            <div class="creation-panel-body">
                <h3>@session.Title</h3>
                <ItemCreationForm Item="@session.Item"
                                  PersistenceContext="@session.Context"
                                  Owner="@session.Owner"
                                  OnValidSubmit="@this.OnSubmitAsync"
                                  OnCancel="@this.OnCancelAsync" />
            </div>
        }
    </div>
}

@code {

    /// <inheritdoc />
    protected override void OnInitialized()
    {
        base.OnInitialized();
        this.Panel.StateChanged += this.OnStateChanged;
    }

    /// <inheritdoc />
    public void Dispose()
    {
        this.Panel.StateChanged -= this.OnStateChanged;
    }

    private void OnStateChanged()
    {
        _ = this.InvokeAsync(this.StateHasChanged);
    }

    private async Task OnSubmitAsync()
    {
        try
        {
            await this.Panel.CompleteAsync();
        }
        catch (Exception ex)
        {
            this.ToastService.ShowError($"Could not save the new entry: {ex.Message}");
        }
    }

    private Task OnCancelAsync()
    {
        return this.Panel.CancelAsync();
    }
}