@page "/MyRecipes"
@using Microsoft.AspNetCore.Authorization;
@using Microsoft.AspNetCore.Components.WebAssembly.Authentication;
@using MyRecipes2.Shared;
@attribute [Authorize];
@inject HttpClient Http;
@inject AuthenticationStateProvider AuthenticationStateProvider;
@inject NavigationManager NavManager;

<h1>My Recipes</h1>
@if (recipes == null)
{
    <p><em>Loading...</em></p>
}
else
{
    <p><h3>You have created @recipes.Count() recipe(s)</h3></p>

    <div>
        <button @onclick="ClickCreateNew" class="btn btn-primary mb-2" type="button" style="float: right">+ Create a new recipe</button>
    </div>

    <div>
        <table class="table">
            <thead>
                <tr>
                    <th>Recipe</th>
                    <th>Created on</th>
                    <th>Edit/View/Delete</th>
                </tr>
            </thead>
            <tbody>
                @foreach (var recipe in recipes)
                {
                    <tr>
                        <td>@recipe.Name</td>
                        <td>@recipe.CreatedDateTime</td>
                        <td>
                            <button @onclick="() => ClickEdit(recipe)" class="btn btn-primary">Edit</button>
                            <button @onclick="() => ClickView(recipe)" class="btn btn-primary">View</button>
                            <button @onclick="() => OpenDeletePrompt(recipe)" class="btn btn-danger">Delete</button>
                        </td>
                    </tr>
                }
            </tbody>
        </table>
    </div>
    @if (DeletePromptOpen)
    {
        <Modal Title="You are about to permanently delete a recipe" Text="Are you sure you want to delete this recipe?" 
               OnClose="@OnDeletePromptClose" PromptType="Modal.ModalType.DeleteCancel"></Modal>
    }

}

@code{
    List<RecipeDto> recipes;
    private RecipeDto _recipeToDelete;

    public bool DeletePromptOpen { get; set; }

    private async Task OnDeletePromptClose(bool accepted)
    {
        if (accepted)
        {
            await Http.DeleteAsync($"Recipe/{_recipeToDelete.Id}");
            recipes.Remove(_recipeToDelete);
            _recipeToDelete = null;
        }

        DeletePromptOpen = false;
        StateHasChanged();
    }

    private void OpenDeletePrompt(RecipeDto recipe)
    {
        DeletePromptOpen = true;
        _recipeToDelete = recipe;
        StateHasChanged();
    }

    protected override async Task OnInitializedAsync()
    {
        AuthenticationState authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
        var user = authState.User;


        if (user.Identity.IsAuthenticated)
        {
            try
            {
                string userId = user.FindFirst(c => c.Type == "sub")?.Value;
                recipes = await Http.GetFromJsonAsync<List<RecipeDto>>($"Recipe/MyRecipes/{userId}");
            }
            catch (AccessTokenNotAvailableException exception)
            {
                exception.Redirect();
            }
        }
    }

    protected void ClickEdit(RecipeDto recipe)
    {
        NavManager.NavigateTo($"/EditRecipe/{recipe.Id}");
    }

    protected void ClickCreateNew()
    {
        NavManager.NavigateTo("/CreateRecipe");
    }

    protected void ClickView(RecipeDto recipe)
    {
        NavManager.NavigateTo($"ViewRecipe/{recipe.Id}");
    }
}