@inject IAlunoService alunoService
@inject NavigationManager navigation

<h1>Alunos</h1>

@if (alunos == null)
{
    <p><em>Carregando...</em></p>
}
else
{
    <div class="table-responsive">
        <table class="table">
            <thead>
                <tr>
                    <th>Nome</th>
                    <th>Email</th>
                    <th>Gênero</th>
                    <th>Endereco</th>
                </tr>
            </thead>
            <tbody>
                @foreach (var aluno in alunos)
                {
                    <tr>
                        <td>@aluno.Nome</td>
                        <td>@aluno.Email</td>
                        <td>@aluno.Genero</td>
                        <td>@aluno.Endereco</td>
                        <td>
                            <button type="submit" @onclick="@(()=> EditaAluno(aluno.AlunoId))"
                                                 class="btn btn-success">Edita</button>
                        </td>
                        <td>
                            <button type="submit" @onclick="@(()=> DeletaAluno(aluno))"
                                                  class="btn btn-danger">Deleta</button>
                        </td>
                    </tr>
                }
            </tbody>
        </table>
    </div>

}

@code {
    private List<Aluno> alunos;

    protected override async Task OnInitializedAsync()
    {
        await alunoService.InitializeAsync();
        alunos = await alunoService.GetAlunos();
    }

    private void EditaAluno(int alunoId)
    {
        navigation.NavigateTo($"update_aluno/{alunoId}");
    }

    private async void DeletaAluno(Aluno aluno)
    {
        var response = await alunoService.DeleteAluno(aluno);
        if (response > 0)
        {
            await OnInitializedAsync();
            this.StateHasChanged();
        }
    }
}

<h3>Manutenção</h3>

<div class="form-group">
    <label>Nome</label>
    <input @bind="Nome" class="form-control" placeholder="Nome">
</div>

<div class="mt-2 form-group">
    <label>Endereço</label>
    <input @bind="Endereco" class="form-control" placeholder="Endereco">
</div>

<div class="mt-2 form-group">
    <label>Email</label>
    <input @bind="Email" type="email" class="form-control" placeholder="Email">
</div>

<div class="mt-2 form-group">
    <label>Gênero</label>
    <div class=" d-flex flex-row">
        <div class="col-6 d-flex justify-content-between">
            <div class="form-check">
                <input checked="@(Genero=="Masculino")" @onchange="@(()=> SetGenero("Masculino"))"
                                         class="form-check-input" type="radio" name="flexRadioDefault">
                <label class="form-check-label" for="flexRadioDefault1">
                    Masculino
                </label>
            </div>
            <div class="form-check">
                <input checked="@(Genero=="Feminino")" @onchange="@(()=> SetGenero("Feminino"))"
                                         class="form-check-input" type="radio" name="flexRadioDefault">

                <label class="form-check-label" for="flexRadioDefault2">
                    Feminino
                </label>
            </div>
        </div>
    </div>
</div>

 <button type="submit" @onclick="Manutencao" class="mt-2 btn btn-primary">Enviar</button>
 <button type="submit" @onclick="Retornar" class="mt-2 btn btn-dark">Retornar</button>

@code {

    [Parameter]
    public int AlunoId { get; set; }

    private string Nome;
    private string Endereco;
    private string Email;
    private string Genero;

    private void SetGenero(string genero)
    {
        this.Genero = genero;
    }

    protected async override Task OnInitializedAsync()
    {
        if (AlunoId > 0)
        {
            await alunoService.InitializeAsync();
            var response = await alunoService.GetAlunoById(AlunoId);
            if (response != null)
            {
                Nome = response.Nome;
                Endereco = response.Endereco;
                Email = response.Email;
                Genero = response.Genero;
            }
        }
    }

    private async Task Manutencao()
    {
        if (await Valida())
        {
            var aluno = new Aluno
                {
                    Nome = Nome,
                    Endereco = Endereco,
                    Email = Email,
                    Genero = Genero,
                    AlunoId = AlunoId
                };

            int response = -1;
            if (AlunoId > 0)
            {
                response = await alunoService.UpdateAluno(aluno);
            }
            else
            {
                response = await alunoService.AddAluno(aluno);
            }

            if (response > 0)
            {
                Nome = Endereco = Genero = Email = string.Empty;
                this.StateHasChanged();
                await App.Current.MainPage.DisplayAlert("Incluir Aluno",
                "Aluno salvo com sucesso", "OK");
            }
            else
            {
                await App.Current.MainPage.DisplayAlert("Opa!!!",
               "Algo deu errado ao incluir o aluno", "OK");
            }
        }
    }

    private void Retornar()
    {
        navigation.NavigateTo($"/");
    }

    public async Task<bool> Valida()
    {
        if (string.IsNullOrEmpty(Nome))
        {
            await App.Current.MainPage.DisplayAlert("Opa!!!",
            "O nome é obrigatório", "OK");
            return false;
        }

        if (string.IsNullOrEmpty(Email))
        {
            await App.Current.MainPage.DisplayAlert("Opa!!!",
            "O email é obrigatório", "OK");
            return false;
        }

        if (string.IsNullOrEmpty(Endereco))
        {
            await App.Current.MainPage.DisplayAlert("Opa!!!",
            "O endereço é obrigatório", "OK");
            return false;
        }

        if (string.IsNullOrEmpty(Genero))
        {
            await App.Current.MainPage.DisplayAlert("Opa!!!",
            "O gênero é obrigatório", "OK");
            return false;
        }
        return true;
    }
}