/**
 * VD Catalog - admin tree JS (folder | product)
 * Atualizado: 2026-02-12 12:00 -03:00
 */

jQuery(function($){
    var selectedNode = null;

    function renderTreeHtml(nodes){
        function nodeToHtml(node){
            var hasChildren = node.children && node.children.length;
            var typeLabel = node.type === 'product' ? ' (product)' : '';
            var html = '<li class="vda-node" data-id="'+node.id+'" data-type="'+(node.type||'folder')+'">';
            html += '<span class="vda-node-toggle">'+(hasChildren? '▾' : (node.type==='product' ? '•' : '▸'))+'</span> ';
            html += '<span class="vda-node-title">'+escapeHtml(node.title)+typeLabel+'</span>';
            if(hasChildren){
                html += '<ul class="vda-children">';
                node.children.forEach(function(c){ html += nodeToHtml(c); });
                html += '</ul>';
            }
            html += '</li>';
            return html;
        }
        var out = '<ul class="vda-root-list">';
        nodes.forEach(function(n){ out += nodeToHtml(n); });
        out += '</ul>';
        return out;
    }

    function escapeHtml(text){
        return String(text).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
    }

    function loadTree(){
        $('#vda-tree').hide();
        $('#vda-tree-loading').show().text('Carregando árvore...');
        $.post(VDA_ADMIN.ajax_url, {
            action: 'vda_admin_get_tree',
            nonce: VDA_ADMIN.nonce
        }, function(resp){
            if(!resp || !resp.success){
                $('#vda-tree-loading').text('Erro ao carregar a árvore.');
                return;
            }
            var html = renderTreeHtml(resp.data);
            $('#vda-tree').html(html).show();
            $('#vda-tree-loading').hide();
        }, 'json').fail(function(){
            $('#vda-tree-loading').text('Erro de rede ao carregar árvore.');
        });
    }

    $(document).on('click', '#vda-tree .vda-node-title', function(){
        var $li = $(this).closest('.vda-node');
        $('#vda-tree .vda-node-selected').removeClass('vda-node-selected');
        $li.addClass('vda-node-selected');
        selectedNode = { id: $li.data('id'), title: $(this).text(), type: $li.data('type') };
        $('#vda-selected').text(selectedNode.title + ' (ID: ' + selectedNode.id + ', type:' + selectedNode.type + ')');
    });

    $(document).on('click', '#vda-tree .vda-node-toggle', function(){
        var $li = $(this).closest('.vda-node');
        $li.children('.vda-children').toggle();
        $(this).text( $li.children('.vda-children').is(':visible') ? '▾' : '▸' );
    });

    $('#vda-create-node').on('click', function(e){
        e.preventDefault();
        var title = $('#vda-new-title').val().trim();
        var type = $('#vda-new-type').val();
        if(!title) { $('#vda-create-result').text('Digite um título.'); return; }
        var parent = selectedNode ? selectedNode.id : 0;
        $('#vda-create-result').text('Criando...');
        $.post(VDA_ADMIN.ajax_url, {
            action: 'vda_admin_create_node',
            nonce: VDA_ADMIN.nonce,
            title: title,
            parent: parent,
            type: type
        }, function(resp){
            if(!resp || !resp.success){
                $('#vda-create-result').text('Erro: ' + (resp && resp.data ? resp.data : 'erro desconhecido'));
                return;
            }
            $('#vda-create-result').text('Criado ID: ' + resp.data.id);
            $('#vda-new-title').val('');
            // se for product, abrir editor automaticamente
            if (resp.data.type === 'product' && resp.data.edit_url) {
                window.open(resp.data.edit_url, '_blank');
            }
            loadTree();
        }, 'json').fail(function(){ $('#vda-create-result').text('Falha de rede.'); });
    });

    $('#vda-refresh-tree').on('click', loadTree);

    $('#vda-open-edit').on('click', function(){
        if(!selectedNode){ alert('Selecione um nó primeiro'); return; }
        var url = '/wp-admin/post.php?post=' + selectedNode.id + '&action=edit';
        window.open(url, '_blank');
    });

    $('#vda-delete-node').on('click', function(){
        if(!selectedNode){ alert('Selecione um nó primeiro'); return; }
        if(!confirm('Confirma excluir o nó "'+selectedNode.title+'" (ID:'+selectedNode.id+') ?')) return;
        $.post(VDA_ADMIN.ajax_url, {
            action: 'vda_admin_delete_node',
            nonce: VDA_ADMIN.nonce,
            id: selectedNode.id
        }, function(resp){
            if(!resp || !resp.success){ alert('Erro: ' + (resp && resp.data ? resp.data : 'erro')); return; }
            alert('Excluído.');
            selectedNode = null;
            $('#vda-selected').text('Nenhum');
            loadTree();
        }, 'json').fail(function(){ alert('Falha de rede'); });
    });

    loadTree();
});