<?php

namespace Streamline\Http\Controllers;

use Illuminate\Http\Request;
use Streamline\Models\BloodDonation;
use Streamline\Models\User;
use Carbon\Carbon;
use DB;

class BloodDonationsController extends Controller {

    public function __construct() {
        $this->middleware('auth');
        $this->middleware('permission:find-a-donor', ['only' => ['index']]);
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index() {
        $willing_donors = User::where(['willing_to_donate' => 1])->orderBy('blood_group_id', 'asc')->get();
        $blood_groups = DB::table('blood_groups')
//            ->where('active', 1)
            ->pluck("name", "id")
            ->prepend('- Select -', '');
        return view('blood_donations.index', compact('willing_donors', 'blood_groups'));
    }

    /*
     * Show the donors of selected blood group
     */

    public function select_blood_group(Request $request) {
        $willing_donors = User::where(['blood_group_id' => $request->blood_group_id, 'willing_to_donate' => 1])->orderBy('blood_group_id', 'asc')->get();
        $blood_groups = DB::table('blood_groups')
//            ->where('active', 1)
            ->pluck("name", "id")
            ->prepend('- Select -', '');
        return view('blood_donations.index', compact('willing_donors', 'blood_groups'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create() {
        $donor_id = session()->get('donor_id');
        $donor = User::find($donor_id);
        return view('blood_donations.create', compact('donor'));
    }

    /*
     * put the donor_id(same as $user->id) into a session then redirect to $this->create() function
     */

    public function create_donation(Request $request) {
        $selected_donor_id = $request->donor_id;
        $donor_id = session()->put(['donor_id' => $selected_donor_id]);
        return redirect('blood_donations/create');
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request) {
        $donation_date = Carbon::createFromFormat('d/m/Y', $request->donation_date)->toDateString();
        $donor_id = $request->donor_id;

        $new_blood_donation = new BloodDonation;
        $new_blood_donation->donor_id = $donor_id;
        $new_blood_donation->last_donation_date = $donation_date;
        $new_blood_donation->created_by = auth()->user()->id;
        if ($new_blood_donation->save()) {
            flash('New blood donation has been succesfully recorded')->success();
            return redirect('blood_donations');
        }
        flash('error occured. Contact system admiin')->error();
        return redirect()->back()->withInput();
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id) {
        $donor = User::find($id);
        $blood_donations = BloodDonation::where('donor_id', $id)->orderBy('last_donation_date', 'desc')->get();
        return view('blood_donations.show', compact('donor', 'blood_donations'));
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id) {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id) {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id) {
        //
    }

}