<?php
namespace App\Http\Controllers;

use View;
use App\Models\CustomFieldset;
use App\Models\CustomField;
use Input;
use Validator;
use Redirect;
use App\Models\AssetModel;
use Lang;
use Auth;
use Illuminate\Http\Request;
use App\Helpers\Helper;
use Log;

/**
 * This controller handles all actions related to Custom Asset Fields for
 * the Snipe-IT Asset Management application.
 *
 * @todo Improve documentation here.
 * @todo Check for raw DB queries and try to convert them to query builder statements
 * @version    v2.0
 * @author [Brady Wetherington] [<uberbrady@gmail.com>]
 */

class CustomFieldsController extends Controller
{

    /**
    * Returns a view with a listing of custom fields.
    *
    * @author [Brady Wetherington] [<uberbrady@gmail.com>]
    * @since [v1.8]
    * @return View
    */
    public function index()
    {

        $fieldsets = CustomFieldset::with("fields", "models")->get();
        $fields = CustomField::with("fieldset")->get();
        return view("custom_fields.index")->with("custom_fieldsets", $fieldsets)->with("custom_fields", $fields);
    }


    /**
    * Returns a view with a form to create a new custom field.
    *
    * @see CustomFieldsController::storeField()
    * @author [Brady Wetherington] [<uberbrady@gmail.com>]
    * @since [v1.8]
    * @return View
    */
    public function create()
    {

        return view("custom_fields.fields.edit")->with('field', new CustomField());
    }


    /**
    * Validates and stores a new custom field.
    *
    * @see CustomFieldsController::createField()
    * @author [Brady Wetherington] [<uberbrady@gmail.com>]
    * @since [v1.8]
    * @return Redirect
    */
    public function store(Request $request)
    {
        $field = new CustomField([
            "name" => $request->get("name"),
            "element" => $request->get("element"),
            "help_text" => $request->get("help_text"),
            "field_values" => $request->get("field_values"),
            "field_encrypted" => $request->get("field_encrypted", 0),
            "user_id" => Auth::user()->id
        ]);


        if (!in_array(Input::get('format'), array_keys(CustomField::$PredefinedFormats))) {
            $field->format = e($request->get("custom_format"));
        } else {
            $field->format = e($request->get("format"));
        }


        $validator = Validator::make(Input::all(), $field->rules);

        if ($validator->passes()) {
            $results = $field->save();
            if ($results) {
                return redirect()->route("fields.index")->with("success", trans('admin/custom_fields/message.field.create.success'));
            } else {
                dd($field);
                return redirect()->back()->withInput()->with('error', trans('admin/custom_fields/message.field.create.error'));
            }
        } else {
            return redirect()->back()->withInput()->withErrors($validator);
        }
    }


    /**
     * Detach a custom field from a fieldset.
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v3.0]
     * @return Redirect
     */
    public function deleteFieldFromFieldset($field_id, $fieldset_id)
    {
        $field = CustomField::find($field_id);

        if ($field->fieldset()->detach($fieldset_id)) {
            return redirect()->route('fieldsets.show', ['fieldset' => $fieldset_id])->with("success", trans('admin/custom_fields/message.field.delete.success'));
        }

        return redirect()->back()->withErrors(['message' => "Field is in-use"]);
    }

    /**
    * Delete a custom field.
    *
    * @author [Brady Wetherington] [<uberbrady@gmail.com>]
    * @since [v1.8]
    * @return Redirect
    */
    public function destroy($field_id)
    {
        $field = CustomField::find($field_id);

        if ($field->fieldset->count()>0) {
            return redirect()->back()->withErrors(['message' => "Field is in-use"]);
        } else {
            $field->delete();
            return redirect()->route("fields.index")->with("success", trans('admin/custom_fields/message.field.delete.success'));
        }
    }


    /**
    * Return a view to edit a custom field
    *
    * @author [A. Gianotto] [<snipe@snipe.net>]
    * @param  int  $id
    * @since [v4.0]
    * @return View
    */
    public function edit($id)
    {
        $field = CustomField::find($id);
        return view("custom_fields.fields.edit")->with('field', $field);
    }


    /**
    * Store the updated field
    *
    * @todo Allow encrypting/decrypting if encryption status changes
    *
    * @author [A. Gianotto] [<snipe@snipe.net>]
    * @param  int  $id
    * @since [v4.0]
    * @return Redirect
    */
    public function update(Request $request, $id)
    {
        $field =  CustomField::find($id);

        $field->name = e($request->get("name"));
        $field->element = e($request->get("element"));
        $field->field_values = e($request->get("field_values"));
        $field->field_encrypted = e($request->get("field_encrypted", 0));
        $field->user_id = Auth::user()->id;
        $field->help_text = $request->get("help_text");

        if (!in_array(Input::get('format'), array_keys(CustomField::$PredefinedFormats))) {
            $field->format = e($request->get("custom_format"));
        } else {
            $field->format = e($request->get("format"));
        }

        $validator = Validator::make(Input::all(), $field->rules);

        if ($field->save()) {
           return redirect()->route("fields.index")->with("success", trans('admin/custom_fields/message.field.update.success'));
        }

       return redirect()->back()->withInput()->withErrors($validator);
    }


}