@extends('layouts.app')

@section('content')
@php
    $currentSort = request('sort_column') ?: 'descricao';
    $currentDirection = request('sort_direction', 'ASC');
    
    $sortUrl = function($column) use ($currentSort, $currentDirection) {
        $direction = ($currentSort == $column && $currentDirection == 'ASC') ? 'DESC' : 'ASC';
        $params = array_merge(request()->query(), ['sort_column' => $column, 'sort_direction' => $direction, 'page' => 1]);
        return request()->url() . '?' . http_build_query($params);
    };
    
    $sortIndicator = function($column) use ($currentSort, $currentDirection) {
        if ($currentSort == $column) {
            return $currentDirection == 'DESC' ? '▼' : '▲';
        }
        return '';
    };
@endphp

<h2>Grupos
<button style="float: right;" type="button" class="btn btn-primary" onclick="openGrupoModal()">Adicionar Novo</button>

</h2>
<p style="margin-top: 0px !important;">Os grupos definem limites de licenças e agregam clientes.</p>


<form method="get" class="filters">
    <div class="form-field">
        <label for="q">Pesquisar</label>
        <input type="text" name="q" id="q" placeholder="Descrição do grupo" value="{{ $filter }}" />
    </div>
    <div class="form-field">
        <label for="per_page">Linhas por página</label>
        <select name="per_page" id="per_page" onchange="this.form.submit()">
            <option value="10" {{ $perPage == 10 ? 'selected' : '' }}>10</option>
            <option value="25" {{ $perPage == 25 ? 'selected' : '' }}>25</option>
            <option value="50" {{ $perPage == 50 ? 'selected' : '' }}>50</option>
            <option value="100" {{ $perPage == 100 ? 'selected' : '' }}>100</option>
        </select>
    </div>
    <div class="form-actions">
        <button type="submit" class="btn">Filtrar</button>
        <a href="{{ route('grupo.index') }}" class="btn btn-secondary">Limpar</a>
    </div>
</form>

<table class="data-table">
    <thead>
        <tr>
            <th class="sortable">
                <a href="{{ $sortUrl('id') }}">
                    ID
                    @if($currentSort == 'id')
                        <span class="sort-indicator">{{ $sortIndicator('id') }}</span>
                    @endif
                </a>
            </th>
            <th class="sortable">
                <a href="{{ $sortUrl('descricao') }}">
                    Descrição
                    @if($currentSort == 'descricao')
                        <span class="sort-indicator">{{ $sortIndicator('descricao') }}</span>
                    @endif
                </a>
            </th>
            <th class="sortable" style="text-align: center;">
                <a href="{{ $sortUrl('volumes') }}">
                    Volumes
                    @if($currentSort == 'volumes')
                        <span class="sort-indicator">{{ $sortIndicator('volumes') }}</span>
                    @endif
                </a>
            </th>
            <th class="sortable" style="text-align: center;">
                <a href="{{ $sortUrl('clientes_count') }}">
                    No. Usuario
                    @if($currentSort == 'clientes_count')
                        <span class="sort-indicator">{{ $sortIndicator('clientes_count') }}</span>
                    @endif
                </a>
            </th>
            <th class="sortable">
                <a href="{{ $sortUrl('ativo') }}">
                    Status
                    @if($currentSort == 'ativo')
                        <span class="sort-indicator">{{ $sortIndicator('ativo') }}</span>
                    @endif
                </a>
            </th>
            <th>Ações</th>
        </tr>
    </thead>
    <tbody>
        @if($grupos->count() > 0)
            @foreach($grupos as $grupo)
                <tr>
                    <td>{{ $grupo->id }}</td>
                    <td>{{ $grupo->descricao }}</td>
                    <td style="text-align: center;">{{ $grupo->volumes ?? '-' }}</td>
                    <td style="text-align: center;">{{ $grupo->clientes_count ?? 0 }}</td>
                    <td>
                        @php
                            $ativo = $grupo->ativo == 1;
                            $classe = $ativo ? 'status-tag active' : 'status-tag inactive';
                            $texto = $ativo ? 'Ativo' : 'Inativo';
                        @endphp
                        <span class="{{ $classe }}">{{ $texto }}</span>
                    </td>
                    <td>
                        <button type="button" class="btn btn-sm" onclick="editGrupo({{ $grupo->id }})">Editar</button>
                    </td>
                </tr>
            @endforeach
        @else
            <tr>
                <td colspan="6">Nenhum grupo encontrado.</td>
            </tr>
        @endif
    </tbody>
</table>

{{ $grupos->links('vendor.pagination.custom') }}

<!-- Modal de Grupo -->
<div id="grupoModal" class="modal">
    <div class="modal-content">
        <div class="modal-header">
            <h3 id="modalTitle">Novo Grupo</h3>
            <span class="modal-close" onclick="closeGrupoModal()">&times;</span>
        </div>
        <div class="modal-body">
            <form id="grupoForm">
                @csrf
                <input type="hidden" id="grupo_id" name="id" value="0">
                <div class="form-field">
                    <label for="descricao">Descrição *</label>
                    <input type="text" id="descricao" name="descricao" required>
                </div>
                <div class="form-field">
                    <label for="volumes">Volumes *</label>
                    <input type="number" id="volumes" name="volumes" min="0" required>
                </div>
                <div class="form-field">
                    <label>Status</label>
                    <div class="radio-group">
                        <label>
                            <input type="radio" name="ativo" value="1" checked> Ativo
                        </label>
                        <label>
                            <input type="radio" name="ativo" value="0"> Inativo
                        </label>
                    </div>
                </div>
                <div id="grupoError" class="alert alert-error" style="display: none; margin-top: 10px;"></div>
            </form>
        </div>
        <div class="modal-footer">
            <button type="button" class="btn btn-secondary" onclick="closeGrupoModal()">Cancelar</button>
            <button type="button" class="btn btn-primary" onclick="saveGrupo()">Salvar</button>
        </div>
    </div>
</div>

<style>
/* Estilos do Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 0;
    border: 1px solid #888;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.modal-header {
    padding: 20px;
    background-color: #007bff;
    color: white;
    border-radius: 8px 8px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover,
.modal-close:focus {
    opacity: 0.8;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #dee2e6;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    border: 1px solid #f5c6cb;
}

.page-header {
    margin-bottom: 20px;
}

.page-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.875rem;
}

.data-table .sortable a {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    width: 100%;
}

.data-table .sortable a:hover {
    color: #0f4c81;
    text-decoration: underline;
}

.data-table .sortable {
    position: relative;
}

.data-table .sortable[style*="text-align: center"] a {
    justify-content: center;
}

.sort-indicator {
    font-size: 0.75rem;
    color: #0f4c81;
    font-weight: bold;
}
</style>

<script>
function openGrupoModal(id = null) {
    const modal = document.getElementById('grupoModal');
    const form = document.getElementById('grupoForm');
    const title = document.getElementById('modalTitle');
    const errorDiv = document.getElementById('grupoError');
    
    // Limpar formulário
    form.reset();
    document.getElementById('grupo_id').value = '0';
    errorDiv.style.display = 'none';
    
    if (id) {
        title.textContent = 'Editar Grupo';
        loadGrupo(id);
    } else {
        title.textContent = 'Novo Grupo';
    }
    
    modal.style.display = 'block';
}

function closeGrupoModal() {
    document.getElementById('grupoModal').style.display = 'none';
}

function editGrupo(id) {
    openGrupoModal(id);
}

function loadGrupo(id) {
    const formData = new FormData();
    formData.append('id', id);
    formData.append('_token', '{{ csrf_token() }}');
    
    fetch('{{ url("/grupo/grupo") }}', {
        method: 'POST',
        body: formData
    })
    .then(response => response.json())
    .then(data => {
        if (data.success === 'true' && data.rows && data.rows.length > 0) {
            const grupo = data.rows[0];
            document.getElementById('grupo_id').value = grupo.id;
            document.getElementById('descricao').value = grupo.descricao || '';
            document.getElementById('volumes').value = grupo.volumes || '';
            
            // Definir status
            // O campo ativo pode vir como boolean (true/false) ou int (1/0)
            let ativoValue = grupo.ativo;
            if (typeof ativoValue === 'boolean') {
                ativoValue = ativoValue ? '1' : '0';
            } else {
                ativoValue = String(ativoValue);
            }
            
            const ativoRadios = document.querySelectorAll('input[name="ativo"]');
            ativoRadios.forEach(radio => {
                radio.checked = (radio.value === ativoValue);
            });
        } else {
            alert('Erro ao carregar grupo');
        }
    })
    .catch(error => {
        console.error('Erro:', error);
        alert('Erro ao carregar grupo');
    });
}

function saveGrupo() {
    const form = document.getElementById('grupoForm');
    const formData = new FormData(form);
    const errorDiv = document.getElementById('grupoError');
    
    // Validação básica
    const descricao = document.getElementById('descricao').value.trim();
    const volumes = document.getElementById('volumes').value;
    
    if (!descricao) {
        errorDiv.textContent = 'A descrição é obrigatória';
        errorDiv.style.display = 'block';
        return;
    }
    
    if (!volumes || volumes < 0) {
        errorDiv.textContent = 'Os volumes devem ser um número válido';
        errorDiv.style.display = 'block';
        return;
    }
    
    errorDiv.style.display = 'none';
    
    fetch('{{ url("/grupo/save") }}', {
        method: 'POST',
        body: formData
    })
    .then(response => response.json())
    .then(data => {
        if (data.success === 'true') {
            alert(data.msg || 'Grupo salvo com sucesso!');
            closeGrupoModal();
            window.location.reload();
        } else {
            errorDiv.textContent = data.msg || 'Erro ao salvar grupo';
            errorDiv.style.display = 'block';
        }
    })
    .catch(error => {
        console.error('Erro:', error);
        errorDiv.textContent = 'Erro ao salvar grupo';
        errorDiv.style.display = 'block';
    });
}

// Fechar modal ao clicar fora dele
window.onclick = function(event) {
    const modal = document.getElementById('grupoModal');
    if (event.target == modal) {
        closeGrupoModal();
    }
}
</script>

<!--
<div class="table-actions">
    <a class="btn btn-secondary" href="{{ url('/grupo/grupos') }}">Acessar endpoint JSON</a>
</div>
-->
@endsection