<?php

namespace App\Http\Controllers\Admin;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\Model\FormTemplate;

class FormTemplateController extends Controller
{
    public function index(Request $request)
    {
        if (!$request->user()->can('read', new \App\Model\FormTemplate())) {
            return $this->notAuthorized();
        }

        return view('admin.form_templates.index');
    }

    public function list(Request $request)
    {
        if (!$request->user()->can('read', new \App\Model\FormTemplate())) {
            return $this->notAuthorized();
        }

        // view
        $view = $request->view ? $request->view : 'grid';

        $formTemplates = FormTemplate::query();

        if (!empty($request->category_uid)) {
            $formTemplates = $formTemplates->categoryUid($request->category_uid);
        }

        $formTemplates = $formTemplates->search($request->keyword)
            ->orderBy($request->sort_order, $request->sort_direction)
            ->paginate($request->per_page ? $request->per_page : 12);

        return view('admin.form_templates._list_' . $view, [
            'formTemplates' => $formTemplates,
        ]);
    }

    public function add(Request $request)
    {
        $formTemplate = FormTemplate::newDefault();
        $formTemplate->name = trans('messages.untitled_template');

        // authorize
        if (!$request->user()->can('create', FormTemplate::class)) {
            return $this->notAuthorized();
        }

        // validate and save posted data
        if ($request->isMethod('post')) {
            $currentFormTemplate = FormTemplate::findByUid($request->template);

            // add
            $formTemplate->addFormTemplate($request->name, $currentFormTemplate->template);

            return redirect()->action('Admin\FormTemplateController@builder', $formTemplate->uid);
        }

        return view('admin.form_templates.add', [
            'formTemplate' => $formTemplate,
        ]);
    }

    public function templates(Request $request)
    {
        // authorize
        if (!$request->user()->can('create', FormTemplate::class)) {
            return $this->notAuthorized();
        }

        //
        $formTemplates = FormTemplate::query();

        // sort, pagination
        $formTemplates = $formTemplates->search($request->keyword)
            ->orderBy($request->sort_order, $request->sort_direction)
            ->paginate($request->per_page);

        return view('admin.form_templates.templates', [
            'formTemplates' => $formTemplates,
        ]);
    }

    public function builder(Request $request, $uid)
    {
        // Generate info
        $formTemplate = FormTemplate::findByUid($uid);

        // authorize
        if (!$request->user()->can('update', $formTemplate)) {
            return $this->notAuthorized();
        }

        // validate and save posted data
        if ($request->isMethod('post')) {
            //
            $validator = $formTemplate->updateContent($request->json, $request->content);

            //
            if ($validator->fails()) {
                return response()->json($validator->errors(), 400);
            }

            //
            return response()->json([
                'status' => 'success',
            ]);
        }

        return view('admin.form_templates.builder', [
            'formTemplate' => $formTemplate,
        ]);
    }

    public function changeName(Request $request)
    {
        $formTemplate = FormTemplate::findByUid($request->uid);

        // authorize
        if (!$request->user()->can('update', $formTemplate)) {
            return $this->notAuthorized();
        }

        if ($request->isMethod('post')) {
            // change name
            $validator = $formTemplate->changeName($request->name);

            if ($validator->fails()) {
                return response()->view('admin.form_templates.changeName', [
                    'formTemplate' => $formTemplate,
                    'errors' => $validator->errors(),
                ], 400);
            }

            return response()->json([
                'status' => 'success',
                'message' => trans('messages.template.name.changed'),
            ], 201);
        }

        return view('admin.form_templates.changeName', [
            'formTemplate' => $formTemplate,
        ]);
    }

    public function preview(Request $request, $uid)
    {
        $formTemplate = FormTemplate::findByUid($uid);

        // authorize
        if (!$request->user()->can('preview', $formTemplate)) {
            return $this->notAuthorized();
        }

        return $formTemplate->template->getPreviewContent();
    }

    public function copy(Request $request)
    {
        $formTemplate = FormTemplate::findByUid($request->uid);

        if ($request->isMethod('post')) {
            // authorize
            if (!$request->user()->can('copy', $formTemplate)) {
                return $this->notAuthorized();
            }

            // copy
            $formTemplate->copy($request->name);

            echo trans('messages.template.copied');
            return;
        }

        return view('admin.form_templates.copy', [
            'formTemplate' => $formTemplate,
        ]);
    }
}