<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Http\Requests\StorePackageRequest;
use App\Package;
use App\User;

class PackageController extends Controller
{
    public function index(Request $request)
    {
        $user =  auth('api')->user();
        $admin_users = User::role('Admin')->get()->pluck('id')->toArray();
        $admin_users[] = $user->id;

        $Packages = Package::
        when($user->cant('showAll'), function($query) use ($user, $admin_users) {
            if ($user->hasRole('Supervisor|User')) {
                $query->whereHas('user', function($query) use ($user, $admin_users) {
                    $query->where('medical_center_id', $user->medical_center_id)->orWhereIn('id', $admin_users);
                });
            }
        })
        ->when($request->has('name') && $request->name != '', function($query) use($request){
            $query->where('name', 'LIKE', '%'.$request->name.'%');
        })
        ->when($request->has('package_id') && $request->package_id != '', function($query) use($request){
            $query->where('id', $request->package_id);
        })
        ->when($request->has('medical_center_id') && $request->medical_center_id != '', function($query) use($request){
            $query->whereHas('user', function($query) use ($request) {
                $query->where('medical_center_id', $request->medical_center_id);
            });
        })
        ->with(['user'  => function($query){
            $query->select('id', 'name', 'medical_center_id');
        },
        'user.medical_center' => function($query){
            $query->select('id', 'name');
        }])->paginate(10);

        return \MessageResponse::data($Packages);
    }

    public function create()
    {

    }
    public function show(Package $Package)
    {
        $Package->load(['user'  => function($query){
            $query->select('id', 'name', 'medical_center_id');
        },
        'user.medical_center' => function($query){
            $query->select('id', 'name');
        },
        'items']);
        return \MessageResponse::data($Package);
    }
    public function store(StorePackageRequest $request)
    {
        // $UniqueID = substr(base_convert(sha1(uniqid(mt_rand())), 16, 36), 0, 10);
        $PackageData = [
          'name' => $request->name,
          'unique_id' => $request->unique_id,
          'note' => $request->note,
          'user_id' => auth('api')->user()->id,
          'verified' => 'NotVerified',
        ];
        $PackageObj = Package::create($PackageData);
        $Items = [];
        $count = 1;
        foreach ($request->items as $key => $item) {
            if (array_key_exists($item['id'], $Items)) {
                $preCount = $Items[$item['id']];
                $Items[$item['id']] =  $preCount + 1;
            }
            else {
                $Items[$item['id']] = $count;
            }
        }

        foreach ($Items as $Item => $Count) {
             $PackageObj->items()->attach(array($Item), ['count' => $Count]);
        }
        return \MessageResponse::success(trans('messages.success'));
    }
    public function edit(Package $Package)
    {
        $Items = [];
        $Package->load('items');
        foreach ($Package->items as $item) {
            for ($i=0; $i < $item->pivot->count ; $i++) {
                $Items[] =  (object) array('id' => $item->id, 'name' => $item->name);
            }
        }
        unset($Package->items);
        $Package->items = $Items;
        return \MessageResponse::data($Package);
    }
    public function update(StorePackageRequest $request, Package $Package)
    {
        $Package->update($request->except(['items']));
        $Items = [];
        $count = 1;
        foreach ($request->items as $key => $item) {
            if (array_key_exists($item['id'], $Items)) {
                $preCount = $Items[$item['id']];
                $Items[$item['id']] =  $preCount + 1;
            }
            else {
                $Items[$item['id']] = $count;
            }
        }

        $Package->items()->detach();

        foreach ($Items as $Item => $Count) {
             $Package->items()->attach(array($Item), ['count' => $Count]);
        }

        return \MessageResponse::success(trans('messages.success'));
    }
    public function destroy(Package $Package)
    {
        if (auth('api')->user()->cant('delete', $Package)) {
            return \MessageResponse::error(trans('messages.access_denied'));
        }
        if(count($Package->items))
        {
            $Package->items()->detach();
        }
        if(count($Package->labels))
        {
            $Package->labels()->delete();
        }
        $Package->delete();
        return \MessageResponse::success(trans('messages.success'));
    }
    public function verifyPackage(Package $Package)
    {
        if (auth('api')->user()->cant('verifyPackage', $Package)) {
          return \MessageResponse::error(trans('You dont have permission'));
        }
        if ($Package->verified == 'Verified') {
            $Package->verified = 'NotVerified';
        } else {
            $Package->verified = 'Verified';
        }
        $Package->save();
        $Package = $Package->load('user');
        return \MessageResponse::success(trans('messages.success'), null, $Package);
    }

    public function getPackages()
    {
        $user =  auth('api')->user();
        $admin_users = User::role('Admin')->get()->pluck('id')->toArray();
        $admin_users[] = $user->id;

        $Packages = Package::
        when($user->cant('showAll'), function($query) use ($user, $admin_users) {
            if ($user->hasRole('Supervisor|User')) {
                $query->whereHas('user', function($query) use ($user, $admin_users) {
                    $query->where('medical_center_id', $user->medical_center_id)->orWhereIn('id', $admin_users);
                });
            }
        })
        ->with(['user'  => function($query){
            $query->select('id', 'name', 'medical_center_id');
        },
        'user.medical_center' => function($query){
            $query->select('id', 'name');
        }])->get();

        return \MessageResponse::data($Packages);

    }
    public function showPackage(Package $Package)
    {
        $Package->load(['user'  => function($query){
            $query->select('id', 'name', 'medical_center_id');
        },
        'user.medical_center' => function($query){
            $query->select('id', 'name');
        },
        'items']);
        return \MessageResponse::data($Package);
    }
}