<?php

namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Http\Requests\LambdaRequest;
use DB;

class WidgetController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
        $this->_service = 'wall';
        $this->_module = 'widgets';
        $this->_viewname = 'widget';
        $this->_title = 'Widgets';
        $this->_base_url = '/widget';
    }

    protected function get_list_fields(){
        return [
            'actions' => ['title' => 'Actions', 'buttons' => [ 'edit', 'delete'] ],
            'title' => ['title' => 'Widget title', 'type' => 'text'],
            'widget_name' => ['title' => 'Widget Name', 'type' => 'text'],
            'status' => ['title' => 'Status', 'type' => 'select'],
        ];
    }

    protected function get_form_fields($type, $values){
        $groups = $this->getlambda('get', 'ums', 'group', 'dropdown');
        $groups_dd = [];
        foreach($groups->data->items as $group){
            $groups_dd[$group->id] = $group->name;
        }
        $roles = $this->getlambda('get', 'ums', 'roles', 'dropdown');
        $roles_dd = [];
        foreach($roles->data->items as $role){
            $roles_dd[$role->id] = $role->name;
        }

        return [
            'id' => ['title' => '', 'type' => 'hidden'],
            'title' => ['title' => 'Widget title', 'type' => 'text', 'required' => true],
            'status' => ['title' => 'Status', 'type' => 'select', 'required' => true, 'values' => ['active' => 'Active', 'disabled' => 'Disabled'] ],
            'widget_name' => ['title' => 'Widget Name', 'type' => 'text', 'required' => true],
            'position' => ['title' => 'Position', 'type' => 'select', 'required' => true, 'values' => ['dashboard' => 'Dashboard' ] ],
            'parameters' => ['title' => 'Parameters (Array)', 'type' => 'textarea', 'required' => false, 'fullwidth' => true],
            
            'groups' => ['title' => 'Groups', 'type' => 'multiselect', 'required' => true, 'values' => $groups_dd ],
            'roles' => ['title' => 'Roles', 'type' => 'multiselect', 'required' => true, 'values' => $roles_dd ],
        ];
    }

    protected function _beforesave($type, $request)
    {
        $data = $request->except('_token');

        // Hidden id on create is empty/null and can overwrite the query id on edit.
        // Create must omit id so wall/datalayer generates one; edit must keep a real id.
        if ($type === 'edit') {
            if (empty($data['id'])) {
                $data['id'] = $request->query('id') ?: $request->input('id');
            }
        } else {
            unset($data['id']);
        }

        $normalizeList = function ($value) {
            if (!isset($value) || $value === null || $value === '') {
                return [];
            }
            if (!is_array($value)) {
                $value = explode('#', (string) $value);
            }
            return array_values(array_filter($value, function ($item) {
                return $item !== '' && $item !== null;
            }));
        };

        // Wall create/update expects arrays and joins them with '#'.
        $data['groups'] = $normalizeList($data['groups'] ?? []);
        $data['roles'] = $normalizeList($data['roles'] ?? []);

        if (!isset($data['parameters']) || $data['parameters'] === null) {
            $data['parameters'] = '';
        }

        return $data;
    }

    protected function _beforeform($type, $values) {
        if($type == 'edit') {
            $toArray = function ($value) {
                if (!isset($value) || $value === null || $value === '') {
                    return [];
                }
                if (is_array($value)) {
                    return array_values(array_filter($value, function ($item) {
                        return $item !== '' && $item !== null;
                    }));
                }
                return array_values(array_filter(explode('#', (string) $value), function ($item) {
                    return $item !== '';
                }));
            };

            $values->groups = $toArray($values->groups ?? null);
            $values->roles = $toArray($values->roles ?? null);
        }
        return $values;
    }
}