<?php

namespace Modules\ClinicalData\Http\Controllers;

use Illuminate\Http\Request;
use Streamline\Models\Resource;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Facades\Auth;
use Illuminate\Database\QueryException;
use Streamline\Models\ResourceCategory;

class ResourceController extends Controller {

    public function __construct() {

        $this->middleware('auth');
        $this->middleware('permission:resources-list', ['only' => ['index', 'select']]);
        $this->middleware('permission:resources-detail', ['only' => ['show']]);
        $this->middleware('permission:resources-create', ['only' => ['create', 'store']]);
        $this->middleware('permission:resources-edit', ['only' => ['edit', 'update']]);
        $this->middleware('permission:resources-delete', ['only' => ['destroy']]);
        $this->middleware('permission:resources-status', ['only' => ['activate, inactive']]);
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index() 
    {
        $resources = DB::table('resources')
                ->whereNull('deleted_at')
                ->orderBy('title','asc')
                ->get();

        $categories = DB::table('resource_categories')->whereNull('deleted_at')->pluck("name", "id");
        $category_select = ResourceCategory::orderBy('name')->get();

        return view('clinical_data::resources.index', compact('resources','categories','category_select'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */

    public function create()
    {
        $resource_categories = DB::table('resource_categories')
                ->whereNull('deleted_at')
                ->orderBy('name', 'asc')
                ->pluck('name', 'id')
                ->toArray();
        $resource_categories = ['' => '- select -'] + $resource_categories;

        flash('BE SURE TO FILL IN ALL THE NEEDED FIELDS.')->error();

        return view('clinical_data::resources.create', compact('resource_categories'));
    }
    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request) {
        $validator = Validator::make($request->all(), [
                    'title' => 'required'
        ]);

        if ($validator->fails()) {
            $string = "";
            foreach ($validator->errors()->getMessages() as $item) {
                $string .= "{$item[0]}<br>";
            }
            flash($string)->error();
            return back()->withErrors($validator)->withInput();
        } else {
            $logged_in_user_id = Auth::user()->id;
            $resource = new Resource;
            
            
            $resource->title = $request->title;
            $resource->body = $request->body;

            $attach_path = $request->file('attach_path');
            $file_destination_path = $file_name = '';

            if ($attach_path) {
                $file_name = $attach_path->getClientOriginalName();
//                $file_source_path = $attach_path->getRealPath();
//                $file_size = $attach_path-->getSize();
//                $file_mime_type = $attach_path-->getMimeType();
                $file_destination_path = 'uploads/resources/';
                $attach_path->move($file_destination_path, $file_name);
            }

            $resource->attach_path = $file_destination_path . $file_name;
            $resource->category_id = $request->category_id;
            $resource->created_by = $logged_in_user_id;
            $resource->updated_by = $logged_in_user_id;

            try {
                $resource->save();
                flash($request->title . " Resource has been saved")->success();
                return redirect("/resources/");
            } catch (QueryException $e) {
                flash("An error occurred")->error();
                return back()->withInput();
            }
        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id) 
    {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */

    public function edit($id)
    {
        $resources_categories = DB::table('resource_categories')
                ->whereNull('deleted_at')
                ->orderBy('name', 'asc')
                ->pluck('name','id');

        //$resource = Resource::where(['id' => $id])->first();
        $resource = Resource::find($id);

        if (!$resource) {
            flash()->error("There is no such resource");
            return redirect('/resources/');
        } else {
            return view('clinical_data::resources.edit', compact('resource'));
        }
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */

    public function update(Request $request, $id) {

        $validator = Validator::make($request->all(), [
                    'title' => 'required'
        ]);

        if ($validator->fails()) {
            $string = "";
            foreach ($validator->errors()->getMessages() as $item) {
                $string .= "{$item[0]}<br>";
            }
            flash($string)->error();
            return back()->withErrors($validator)->withInput();
        } else {
            $logged_in_user_id = Auth::user()->id;
            $resource = Resource::find($id);
            $resource->title = $request->title;
            $resource->body = $request->body;

            $attach_path = $request->file('attach_path');
            $file_destination_path = $file_name = '';

            if ($attach_path) {
                $file_name = $attach_path->getClientOriginalName();
//                $file_source_path = $attach_path->getRealPath();
//                $file_size = $attach_path->getSize();
//                $file_mime_type = $attach_path->getMimeType();
                $file_destination_path = 'uploads/resources/';
                $attach_path->move($file_destination_path, $file_name);
            }

            $current_file = $request->current_file;
            $new_file = $file_destination_path . $file_name;
            
            $resource->attach_path = $new_file ? $new_file : $current_file;
            $resource->updated_by = $logged_in_user_id;

            try {
                $resource->save();
                flash($request->title . " Resource has been updated")->success();
                return redirect("/resources/");
            } catch (QueryException $e) {
                flash("An error occurred")->error();
                return back()->withInput();
            }
        }
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id) {
        $resources = Resource::find($id);
        $resources->delete();

        if ($resources->save()):
            flash("Resources has been deleted.")->success();
            return redirect('/resources/');
        endif;
    }
    /**
     * Display a listing of the inactive resource(s).
     *
     * @return \Illuminate\Http\Response
     */
    public function inactive() {
        $resources = Resource::onlyTrashed()
            ->orderBy('id', 'desc')
            ->get();

        $categories = DB::table('resource_categories')->whereNull('deleted_at')->pluck("name", "id");

        $category_select = DB::table('resource_categories')->whereNull('deleted_at')->orderBy('name')->distinct()->pluck('name');

        if (is_null($resources)) {
            flash()->error("There is no inactive resource");
            return redirect('/resources/');
        }

        return view('clinical_data::resources.inactive', compact('resources', 'categories', 'category_select'));
    }

    /**
     * Activate the specified resource in storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function activate($id) {
        $resource = Resource::withTrashed()->find($id);

        $resource->deleted_at = null;

        if ($resource->restore()):
            flash("The Resource has been activated.")->success();
            return redirect('/resources/');
        endif;
    }

    /**
     * select the specified resource in storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function select(Request $request) {
        $resource_category_id = $request->category_select;

        $resources = Resource::orderBy('title', 'asc')
            ->Where('category_id', $resource_category_id)
            ->paginate(50);

        $category_select = ResourceCategory::orderBy('name')->get();

        $categories = ResourceCategory::pluck("name", "id");

        return view('clinical_data::resources.index', compact('resources', 'categories','category_select'));
        
    }
}