<?php

namespace Modules\ClinicalData\Http\Controllers;

use Illuminate\Http\Request;
use Streamline\Models\DrugUnit;
use Illuminate\Support\Facades\Auth;
use Illuminate\Database\QueryException;

class DrugUnitController extends Controller {

    public function __construct() {
        $this->middleware('auth');
        $this->middleware('permission:drug-unit-list', ['only' => ['index']]);
        $this->middleware('permission:drug-unit-create', ['only' => ['create', 'store']]);
        $this->middleware('permission:drug-unit-edit', ['only' => ['edit', 'update']]);
        $this->middleware('permission:drug-unit-delete', ['only' => ['destroy', 'inactive', 'activate']]);
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index() {
        $drug_units = DrugUnit::orderBy('name', 'asc')
                ->paginate(50);

        return view('clinical_data::drug_units.index', compact('drug_units'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create() {
        return view('clinical_data::drug_units.create');
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request) {
        request()->validate([
            'name' => 'required'
        ]);

        $logged_in_user_id = Auth::user()->id;
        $drug_unit = new DrugUnit;

        $drug_unit->name = $request->name;
        $drug_unit->created_by = $logged_in_user_id;
        $drug_unit->updated_by = $logged_in_user_id;

        try {
            $drug_unit->save();
            flash($request->name . " Drug Unit has been saved")->success();
            return redirect("/drug_units/");
        } 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) {
        $drug_unit = DrugUnit::where(['id' => $id])->first();

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

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id) {
        request()->validate([
            'name' => 'required'
        ]);

        $logged_in_user_id = Auth::user()->id;

        $drug_unit = DrugUnit::find($id);
        $drug_unit->name = $request->name;
        $drug_unit->updated_by = $logged_in_user_id;

        try {
            $drug_unit->save();
            flash($request->name . " Drug Unit has been updated")->success();
            return redirect("/drug_units/");
        } 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) {
        $drug_unit = DrugUnit::find($id);

        if ($drug_unit->delete()):
            flash("Drug Unit has been deleted.")->success();
            return redirect('/drug_units/');
        endif;
    }

    /**
     * Display a listing of the inactive resource(s).
     *
     * @return \Illuminate\Http\Response
     */
    public function inactive() {
        $drug_units = DrugUnit::onlyTrashed()
                ->orderBy('name', 'asc')
                ->paginate(50);

        if (count($drug_units) < 1) {
            flash()->error("There is no inactive drug unit");
            return redirect('/drug_units/');
        } else {
            return view('clinical_data::drug_units.inactive', compact('drug_units'));
        }
    }

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

        if ($drug_unit->restore()){
            flash("Drug Unit has been activated.")->success();
            return redirect('/drug_units/');
        }
    }

}