<?php

namespace App\Http\Controllers;

use App\Enums\User\RoleEnum;
use App\Form;
use App\Mail\TestEmail;
use App\PackageSubscription;
use App\UserForm;
use Carbon\Carbon;
use DB;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Mail;
use Yajra\DataTables\Facades\DataTables;

class HomeController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth');
    }

    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function index()
    {
        $user = request()->user();

        if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value, 'web')) {
            $forms = Form::query()
                ->withCount('data')
                ->where('is_template', 0)
                ->get();
        } else {
            $forms = Form::query()
                ->withCount('data')
                ->where('is_template', 0)
                ->where('created_by', $user->id)
                ->groupBy('id');
        }

        if (request()->ajax()) {
            $subscription = PackageSubscription::activeSubscription($user->id);

            if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value, 'web')) {
                $forms = Form::query()
                    ->withCount('data')
                    ->where('is_template', 0)
                    ->get();
            } else {
                $forms = Form::query()
                    ->withCount('data')
                    ->where('is_template', 0)
                    ->where('created_by', $user->id)
                    ->get();
            }

            return DataTables::of($forms)
                ->addColumn(
                    'action',
                    function (Form $form) use ($subscription, $user) {
                        $action = '';

                        if (!empty($form->schema)) {
                            $action = '<a href="' . action([\App\Http\Controllers\FormController::class, 'show'], ['form' => $form->slug ?: $form->id]) . '"' . '
                                target="_blank"
                                class="btn btn-sm btn-info  m-1" data-toggle="tooltip" title="' . __('messages.view') . '">
                                    <i class="fa fa-eye" aria-hidden="true"></i>
                                </a>';
                        }

                        $action .= '<a href="' . action([\App\Http\Controllers\FormController::class, 'edit'], ['form' => $form->id]) . '"' . '
                                class="btn btn-sm btn-warning  m-1" data-toggle="tooltip" title="' . __('messages.edit') . '">
                                    <i class="fa fa-edit" aria-hidden="true"></i>
                                </a>';

                        if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value) || auth()->user()->id === $form->created_by) {
                            $action .= '<button type="button" data-href="' . action([\App\Http\Controllers\FormController::class, 'destroy'], ['form' => $form->id]) . '"' . ' class="btn btn-sm btn-danger delete_form m-1" data-toggle="tooltip"
                                title="' . __('messages.delete') . '">
                                    <i class="fa fa-trash" aria-hidden="true"></i>
                                </button>';
                        }

                        if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value) || auth()->user()->id === $form->created_by) {
                            $action .= '<button type="button" data-href="' . action([\App\Http\Controllers\FormController::class, 'copyForm'], ['id' => $form->id]) . '"' . ' class="btn btn-sm btn-primary copy_form m-1" data-toggle="tooltip"
                                title="' . __('messages.copy_this_form') . '">
                                    <i class="fas fa-copy"></i>
                                </button>';
                        }

                        if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value) || auth()->user()->id === $form->created_by) {
                            $action .= '<button type="button" data-href="' . action([\App\Http\Controllers\FormController::class, 'generateWidget'], ['id' => $form->id]) . '"' . ' class="btn btn-sm btn-info generate_widget m-1" data-toggle="tooltip"
                                title="' . __('messages.widget') . '">
                                    <i class="fa fa-random" aria-hidden="true"></i>
                                </button>';
                        }

                        $action .= '<a href="' . action([\App\Http\Controllers\FormDataController::class, 'show'], ['id' => $form->id]) . '"' . '"
                                class="btn btn-sm btn-success  m-1" data-toggle="tooltip" title="' . __('messages.view_form_data') . '">
                                    <i class="fa fa-list" aria-hidden="true"></i>
                                </a>';

                        if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value) || auth()->user()->id === $form->created_by) {
                            $action .= '<a href="' . action([\App\Http\Controllers\FormController::class, 'downloadCode'], ['id' => $form->id]) . '"' . '" class="btn btn-sm btn-dark m-1" data-toggle="tooltip"
                                title="' . __('messages.download_code') . '">
                                    <i class="fas fa-download" aria-hidden="true"></i>
                                </a>';
                        }

                        if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value) || auth()->user()->id === $form->created_by) {
                            $action .= '<a data-href="' . action([\App\Http\Controllers\FormController::class, 'getCollab'], ['id' => $form->id]) . '"' . 'class="btn btn-sm btn-primary  m-1 collab_btn" data-toggle="tooltip" title="' . __('messages.collaborate') . '">
                                    <i class="fas fa-handshake text-white" aria-hidden="true"></i>
                                </a>';
                        }

                        return $action;
                    }
                )
                ->editColumn('created_at', function ($row) {
                    $date_format = config('constants.APP_DATE_FORMAT');
                    if (config('constants.APP_TIME_FORMAT') == '12') {
                        $date_format .= ' h:i A';
                    } elseif (config('constants.APP_TIME_FORMAT') == '24') {
                        $date_format .= ' H:i';
                    } else {
                        $date_format = 'm/d/Y h:i A';
                    }

                    return !empty($row->created_at) ? Carbon::createFromTimestamp(strtotime($row->created_at))->format($date_format) : null;
                })
                ->editColumn('data_count', function ($row) {
                    return $row->data_count;
                })
                ->editColumn('name', function ($row) {
                    $html = $row->name;
                    if (empty($row->schema)) {
                        $html .= '<br><small class="text-danger">(' . (__('messages.form_is_incomplete')) . ')</small>';
                    }

                    return $html;
                })
                ->removeColumn('id')
                ->rawColumns(['action', 'created_at', 'data_count', 'name'])
                ->make(true);
        }

        //Count forms
        $form_count = $forms->count();

        //Count templates.
        $template_count = Form::where('created_by', $user->id)
            ->where('is_template', 1)
            ->count();

        //Count submissions.
        $submission_count = Form::join('form_data as fd', 'forms.id', '=', 'fd.form_id')
            ->where('is_template', 0)
            ->when(auth()->user()->hasRole(RoleEnum::USER->value), function (Builder $builder) use ($user) {
                $builder->where('created_by', $user->id);
            })
            ->count();

        return view('home')
            ->with(compact('form_count', 'template_count', 'submission_count'));
    }

    /**
     * Show Form Template
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function getTemplate()
    {
        if (request()->ajax()) {
            $user_id = request()->user()->id;

            $forms = Form::select('name', 'description', 'id', 'slug', 'is_global_template')
                ->where(function ($query) use ($user_id) {
                    $query->where('is_template', 1)
                        ->where('created_by', $user_id)
                        ->orWhere('is_global_template', 1);
                })
                ->groupBy('id');

            return DataTables::of($forms)
                ->addColumn('action', function ($row) {
                    $action = '<a href="' . action([\App\Http\Controllers\FormController::class, 'show'], ['form' => $row->slug ?: $row->id]) . '"' . '
                                target="_blank"
                                class="btn btn-sm btn-info  m-1" data-toggle="tooltip" title="' . __('messages.view') . '">
                                    <i class="fa fa-eye" aria-hidden="true"></i>
                                </a>';

                    if (!$row->is_global_template || auth()->user()->can('superadmin')) {
                        $action .= '<a href="' . action([\App\Http\Controllers\FormController::class, 'edit'], ['form' => $row->id]) . '"' . '
                                class="btn btn-sm btn-warning  m-1" data-toggle="tooltip" title="' . __('messages.edit') . '">
                                    <i class="fa fa-edit" aria-hidden="true"></i>
                                </a>
                                <button type="button" data-href="' . action([\App\Http\Controllers\FormController::class, 'destroy'], ['form' => $row->id]) . '"' . ' class="btn btn-sm btn-danger delete_template m-1" data-toggle="tooltip"
                                    title="' . __('messages.delete') . '">
                                        <i class="fa fa-trash" aria-hidden="true"></i>
                                </button>';
                    }

                    return $action;
                })
                ->editColumn('is_global_template', function ($row) {
                    if (auth()->user()->can('superadmin')) {
                        $checked = $row->is_global_template ? 'checked' : '';
                        $html = '<div class="form-check">
                                        <input class="form-check-input toggle_global_template" type="checkbox" value="1" ' . $checked . ' data-form_id="' . $row->id . '">
                                    </div>';

                        return $html;
                    }
                })
                ->editColumn('name', function ($row) {
                    $name = $row->name;

                    if ($row->is_global_template) {
                        $name .= '<br><span class="badge badge-pill badge-info">' . __('messages.pre_made') . '</span>';
                    }

                    return $name;
                })
                ->removeColumn('id')
                ->rawColumns(['action', 'is_global_template', 'name'])
                ->make(true);
        }

        return view('home');
    }

    /**
     * Tests if SMTP connection details is correct or not.
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function testSMTP()
    {
        try {
            //Set the default config.
            config([
                'mail.mailers.smtp.host' => request()->host,
                'mail.mailers.smtp.port' => request()->port,
                'mail.from.address' => request()->from_address,
                'mail.from.name' => request()->from_name,
                'mail.mailers.smtp.encryption' => request()->encryption,
                'mail.mailers.smtp.username' => request()->username,
                'mail.mailers.smtp.password' => request()->password
            ]);

            Mail::to(request()->from_address)
                ->send(new TestEmail());

            return $this->respondSuccess();
        } catch (\Exception $e) {
            return $this->respondWithError($e->getMessage());
        }
    }

    /**
     * Show assigned forms
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function getAssignedForms(Request $request)
    {
        if ($request->ajax()) {
            $forms = UserForm::join('forms', 'user_forms.form_id', '=', 'forms.id')
                ->leftJoin('users', 'forms.created_by', '=', 'users.id')
                ->where('user_forms.assigned_to', \Auth::id())
                ->select('user_forms.permissions as permissions', 'forms.name as name', 'forms.description as description', 'forms.id as form_id', 'forms.created_at as created_at', 'forms.slug as slug', 'users.name as created_by');

            return DataTables::of($forms)
                ->addColumn(
                    'action',
                    function ($row) {
                        $action = '';
                        if ((!empty($row->permissions) && in_array('can_view_form', $row->permissions)) || auth()->user()->hasRole(RoleEnum::SUPERVISOR->value)) {
                            $action = '<a href="' . action([\App\Http\Controllers\FormController::class, 'show'], ['form' => $row->slug ?: $row->form_id]) . '"' . '
                                target="_blank"
                                class="btn btn-sm btn-info  m-1" data-toggle="tooltip" title="' . __('messages.view') . '">
                                    <i class="fa fa-eye" aria-hidden="true"></i>
                                </a>';
                        }

                        if ((!empty($row->permissions) && in_array('can_design_form', $row->permissions)) || auth()->user()->hasRole(RoleEnum::SUPERVISOR->value)) {
                            $action .= '<a href="' . action([\App\Http\Controllers\FormController::class, 'edit'], ['form' => $row->form_id]) . '"' . '
                                    class="btn btn-sm btn-warning  m-1" data-toggle="tooltip" title="' . __('messages.edit') . '">
                                        <i class="fa fa-edit" aria-hidden="true"></i>
                                    </a>';
                        }

                        if ((!empty($row->permissions) && in_array('can_view_data', $row->permissions)) || auth()->user()->hasRole(RoleEnum::SUPERVISOR->value)) {
                            $action .= '<a href="' . action([\App\Http\Controllers\FormDataController::class, 'show'], ['id' => $row->form_id]) . '"' . '"
                                class="btn btn-sm btn-success  m-1" data-toggle="tooltip" title="' . __('messages.view_form_data') . '">
                                    <i class="fa fa-list" aria-hidden="true"></i>
                                </a>';
                        }

                        if (auth()->user()->hasRole(RoleEnum::SUPERVISOR->value)) {
                            $action .= '<a href="' . action([\App\Http\Controllers\FormDataController::class, 'getReport'], ['id' => $row->form_id]) . '"' . '"
                                target="_blank"
                                class="btn btn-sm btn-success  m-1" data-toggle="tooltip" title="' . __('messages.report') . '">
                                    <i class="fas fa-chart-pie" aria-hidden="true"></i>
                                </a>';
                        }

                        return $action;
                    }
                )
                ->editColumn('created_by', function ($row) {
                    return ucfirst($row->created_by);
                })
                ->removeColumn(['id', 'permissions'])
                ->rawColumns(['action', 'created_by'])
                ->make(true);
        }
    }
}