<?php namespace Controllers\Admin;

use AdminController;
use Input;
use Lang;
use Redirect;
use Setting;
use DB;
use Sentry;
use Consumable;
use Company;
use Str;
use Validator;
use View;
use User;
use Actionlog;
use Mail;
use Datatable;
use Slack;
use Config;

class ConsumablesController extends AdminController
{
    /**
     * Show a list of all the consumables.
     *
     * @return View
     */

    public function getIndex()
    {
        return View::make('backend/consumables/index');
    }


    /**
     * Consumable create.
     *
     * @return View
     */
    public function getCreate()
    {
        // Show the page
        $category_list = array('' => '') + DB::table('categories')->where('category_type','=','consumable')->whereNull('deleted_at')->orderBy('name','ASC')->lists('name', 'id');
        $company_list = Company::getSelectList();
        $location_list = locationsList();

        return View::make('backend/consumables/edit')
            ->with('consumable', new Consumable)
            ->with('category_list', $category_list)
            ->with('company_list', $company_list)
            ->with('location_list', $location_list);
    }


    /**
     * Consumable create form processing.
     *
     * @return Redirect
     */
    public function postCreate()
    {

        // create a new model instance
        $consumable = new Consumable();

        $validator = Validator::make(Input::all(), $consumable->rules);

        if ($validator->fails())
        {
            // The given data did not pass validation
            return Redirect::back()->withInput()->withErrors($validator->messages());
        }
        else{

            // Update the consumable data
            $consumable->name                   = e(Input::get('name'));
            $consumable->category_id            = e(Input::get('category_id'));
            $consumable->location_id            = e(Input::get('location_id'));
            $consumable->company_id             = Company::getIdForCurrentUser(Input::get('company_id'));
            $consumable->order_number           = e(Input::get('order_number'));

            if (e(Input::get('purchase_date')) == '') {
                $consumable->purchase_date       =  NULL;
            } else {
                $consumable->purchase_date       = e(Input::get('purchase_date'));
            }

            if (e(Input::get('purchase_cost')) == '0.00') {
                $consumable->purchase_cost       =  NULL;
            } else {
                $consumable->purchase_cost       = ParseFloat(e(Input::get('purchase_cost')));
            }

            $consumable->qty                    = e(Input::get('qty'));
            $consumable->user_id                = Sentry::getId();

            // Was the consumable created?
            if($consumable->save()) {
                // Redirect to the new consumable  page
                return Redirect::to("admin/consumables")->with('success', Lang::get('admin/consumables/message.create.success'));
            }
        }

        // Redirect to the consumable create page
        return Redirect::to('admin/consumables/create')->with('error', Lang::get('admin/consumables/message.create.error'));


    }

    /**
     * Consumable update.
     *
     * @param  int  $consumableId
     * @return View
     */
    public function getEdit($consumableId = null)
    {
        // Check if the consumable exists
        if (is_null($consumable = Consumable::find($consumableId))) {
            // Redirect to the blogs management page
            return Redirect::to('admin/consumables')->with('error', Lang::get('admin/consumables/message.does_not_exist'));
        }
        else if (!Company::isCurrentUserHasAccess($consumable)) {
            return Redirect::to('admin/consumables')->with('error', Lang::get('general.insufficient_permissions'));
        }

		$category_list = array('' => '') + DB::table('categories')->where('category_type','=','consumable')->whereNull('deleted_at')->orderBy('name','ASC')->lists('name', 'id');
        $company_list = Company::getSelectList();
        $location_list = locationsList();

        return View::make('backend/consumables/edit', compact('consumable'))
            ->with('category_list', $category_list)
            ->with('company_list', $company_list)
            ->with('location_list', $location_list);
    }


    /**
     * Consumable update form processing page.
     *
     * @param  int  $consumableId
     * @return Redirect
     */
    public function postEdit($consumableId = null)
    {
        // Check if the blog post exists
        if (is_null($consumable = Consumable::find($consumableId))) {
            // Redirect to the blogs management page
            return Redirect::to('admin/consumables')->with('error', Lang::get('admin/consumables/message.does_not_exist'));
        }
        else if (!Company::isCurrentUserHasAccess($consumable)) {
            return Redirect::to('admin/consumables')->with('error', Lang::get('general.insufficient_permissions'));
        }


        // get the POST data
        $new = Input::all();

        // attempt validation
        $validator = Validator::make(Input::all(), $consumable->validationRules($consumableId));


        if ($validator->fails())
        {
            // The given data did not pass validation
            return Redirect::back()->withInput()->withErrors($validator->messages());
        }
        // attempt validation
        else {

            // Update the consumable data
            $consumable->name                   = e(Input::get('name'));
            $consumable->category_id            = e(Input::get('category_id'));
            $consumable->location_id            = e(Input::get('location_id'));
            $consumable->company_id             = Company::getIdForCurrentUser(Input::get('company_id'));
            $consumable->order_number           = e(Input::get('order_number'));

            if (e(Input::get('purchase_date')) == '') {
                $consumable->purchase_date       =  NULL;
            } else {
                $consumable->purchase_date       = e(Input::get('purchase_date'));
            }

            if (e(Input::get('purchase_cost')) == '0.00') {
                $consumable->purchase_cost       =  NULL;
            } else {
                $consumable->purchase_cost       = ParseFloat(e(Input::get('purchase_cost')));
            }

            $consumable->qty                    = e(Input::get('qty'));

            // Was the consumable created?
            if($consumable->save()) {
                // Redirect to the new consumable page
                return Redirect::to("admin/consumables")->with('success', Lang::get('admin/consumables/message.update.success'));
            }
        }

        // Redirect to the consumable management page
        return Redirect::to("admin/consumables/$consumableID/edit")->with('error', Lang::get('admin/consumables/message.update.error'));

    }

    /**
     * Delete the given consumable.
     *
     * @param  int  $consumableId
     * @return Redirect
     */
    public function getDelete($consumableId)
    {
        // Check if the blog post exists
        if (is_null($consumable = Consumable::find($consumableId))) {
            // Redirect to the blogs management page
            return Redirect::to('admin/consumables')->with('error', Lang::get('admin/consumables/message.not_found'));
        }
        else if (!Company::isCurrentUserHasAccess($consumable)) {
            return Redirect::to('admin/consumables')->with('error', Lang::get('general.insufficient_permissions'));
        }

			$consumable->delete();

            // Redirect to the locations management page
            return Redirect::to('admin/consumables')->with('success', Lang::get('admin/consumables/message.delete.success'));

    }


    /**
    *  Get the consumable information to present to the consumable view page
    *
    * @param  int  $consumableId
    * @return View
    **/
    public function getView($consumableID = null)
    {
        $consumable = Consumable::find($consumableID);

        if (isset($consumable->id)) {


            if (!Company::isCurrentUserHasAccess($consumable)) {
                return Redirect::to('admin/consumables')->with('error', Lang::get('general.insufficient_permissions'));
            }
            else {
                return View::make('backend/consumables/view', compact('consumable'));
            }
        } else {
            // Prepare the error message
            $error = Lang::get('admin/consumables/message.does_not_exist', compact('id'));

            // Redirect to the user management page
            return Redirect::route('consumables')->with('error', $error);
        }


    }

    /**
    * Check out the consumable to a person
    **/
    public function getCheckout($consumableId)
    {
        // Check if the consumable exists
        if (is_null($consumable = Consumable::find($consumableId))) {
            // Redirect to the consumable management page with error
            return Redirect::to('consumables')->with('error', Lang::get('admin/consumables/message.not_found'));
        }
        else if (!Company::isCurrentUserHasAccess($consumable)) {
            return Redirect::to('admin/consumables')->with('error', Lang::get('general.insufficient_permissions'));
        }

        // Get the dropdown of users and then pass it to the checkout view
        $users_list = array('' => 'Select a User') + DB::table('users')->select(DB::raw('concat(last_name,", ",first_name," (",username,")") as full_name, id'))->whereNull('deleted_at')->orderBy('last_name', 'asc')->orderBy('first_name', 'asc')->lists('full_name', 'id');

        return View::make('backend/consumables/checkout', compact('consumable'))->with('users_list',$users_list);

    }

    /**
    * Check out the consumable to a person
    **/
    public function postCheckout($consumableId)
    {
      // Check if the consumable exists
      if (is_null($consumable = Consumable::find($consumableId))) {
          // Redirect to the consumable management page with error
          return Redirect::to('consumables')->with('error', Lang::get('admin/consumables/message.not_found'));
      }
      else if (!Company::isCurrentUserHasAccess($consumable)) {
          return Redirect::to('admin/consumables')->with('error', Lang::get('general.insufficient_permissions'));
      }

	    $admin_user = Sentry::getUser();
      $assigned_to = e(Input::get('assigned_to'));


      // Declare the rules for the form validation
      $rules = array(
          'assigned_to'   => 'required|min:1'
      );

      // Create a new validator instance from our validation rules
      $validator = Validator::make(Input::all(), $rules);

      // If validation fails, we'll exit the operation now.
      if ($validator->fails()) {
          // Ooops.. something went wrong
          return Redirect::back()->withInput()->withErrors($validator);
      }


      // Check if the user exists
      if (is_null($user = User::find($assigned_to))) {
          // Redirect to the consumable management page with error
          return Redirect::to('admin/consumables')->with('error', Lang::get('admin/consumables/message.user_does_not_exist'));
      }

      // Update the consumable data
      $consumable->assigned_to = e(Input::get('assigned_to'));

      $consumable->users()->attach($consumable->id, array(
      'consumable_id' => $consumable->id,
      'user_id' => $admin_user->id,
      'assigned_to' => e(Input::get('assigned_to'))));

      $logaction = new Actionlog();
      $logaction->consumable_id = $consumable->id;
      $logaction->checkedout_to = $consumable->assigned_to;
      $logaction->asset_type = 'consumable';
      $logaction->location_id = $user->location_id;
      $logaction->user_id = Sentry::getUser()->id;
      $logaction->note = e(Input::get('note'));

      $settings = Setting::getSettings();

			if ($settings->slack_endpoint) {

				$slack_settings = [
				    'username' => $settings->botname,
				    'channel' => $settings->slack_channel,
				    'link_names' => true
				];

				$client = new \Maknz\Slack\Client($settings->slack_endpoint,$slack_settings);

				try {
						$client->attach([
						    'color' => 'good',
						    'fields' => [
						        [
						            'title' => 'Checked Out:',
						            'value' => strtoupper($logaction->asset_type).' <'.Config::get('app.url').'/admin/consumables/'.$consumable->id.'/view'.'|'.$consumable->name.'> checked out to <'.Config::get('app.url').'/admin/users/'.$user->id.'/view|'.$user->fullName().'> by <'.Config::get('app.url').'/admin/users/'.$admin_user->id.'/view'.'|'.$admin_user->fullName().'>.'
						        ],
						        [
						            'title' => 'Note:',
						            'value' => e($logaction->note)
						        ],
						    ]
						])->send('Consumable Checked Out');

					} catch (Exception $e) {

					}
			}


      $log = $logaction->logaction('checkout');

      $consumable_user = DB::table('consumables_users')->where('assigned_to','=',$consumable->assigned_to)->where('consumable_id','=',$consumable->id)->first();

      $data['log_id'] = $logaction->id;
      $data['eula'] = $consumable->getEula();
      $data['first_name'] = $user->first_name;
      $data['item_name'] = $consumable->name;
      $data['checkout_date'] = $logaction->created_at;
      $data['item_tag'] = '';
      $data['expected_checkin'] = '';
      $data['note'] = $logaction->note;
      $data['require_acceptance'] = $consumable->requireAcceptance();


      if (($consumable->requireAcceptance()=='1')  || ($consumable->getEula())) {

        Mail::send('emails.accept-asset', $data, function ($m) use ($user) {
            $m->to($user->email, $user->first_name . ' ' . $user->last_name);
            $m->subject('Confirm consumable delivery');
        });
      }

      // Redirect to the new consumable page
      return Redirect::to("admin/consumables")->with('success', Lang::get('admin/consumables/message.checkout.success'));


    }


    public function getDatatable()
    {
        $consumables = Consumable::whereNull('consumables.deleted_at')
            ->with('company','location','category','users');

        if (Input::has('search')) {
            $consumables = $consumables->TextSearch(Input::get('search'));
        }

        if (Input::has('offset')) {
            $offset = e(Input::get('offset'));
        } else {
            $offset = 0;
        }

        if (Input::has('limit')) {
            $limit = e(Input::get('limit'));
        } else {
            $limit = 50;
        }

        $allowed_columns = ['id','name','order_number','purchase_date','purchase_cost','companyName','category'];
        $order = Input::get('order') === 'asc' ? 'asc' : 'desc';
        $sort = in_array(Input::get('sort'), $allowed_columns) ? Input::get('sort') : 'created_at';

        switch ($sort)
        {
            case 'category':
                $consumables = $consumables->OrderCategory($order);
                break;
            case 'location':
                $consumables = $consumables->OrderLocation($order);
                break;
            case 'companyName':
                $consumables = $consumables->OrderCompany($order);
                break;
            default:
                $consumables = $consumables->orderBy($sort, $order);
                break;
        }

        $consumCount = $consumables->count();
        $consumables = $consumables->skip($offset)->take($limit)->get();

        $rows = array();

        foreach($consumables as $consumable) {
            $actions = '<nobr><a href="'.route('checkout/consumable', $consumable->id).'" style="margin-right:5px;" class="btn btn-info btn-sm" '.(($consumable->numRemaining() > 0 ) ? '' : ' disabled').'>'.Lang::get('general.checkout').'</a><a href="'.route('update/consumable', $consumable->id).'" class="btn btn-warning btn-sm" style="margin-right:5px;"><i class="fa fa-pencil icon-white"></i></a><a data-html="false" class="btn delete-asset btn-danger btn-sm" data-toggle="modal" href="'.route('delete/consumable', $consumable->id).'" data-content="'.Lang::get('admin/consumables/message.delete.confirm').'" data-title="'.Lang::get('general.delete').' '.htmlspecialchars($consumable->name).'?" onClick="return false;"><i class="fa fa-trash icon-white"></i></a></nobr>';
            $company = $consumable->company;

            $rows[] = array(
                'id'            => $consumable->id,
                'name'          => link_to('admin/consumables/'.$consumable->id.'/view', $consumable->name),
                'location'   => ($consumable->location) ? e($consumable->location->name) : '',
                'qty'           => $consumable->qty,
                'category'           => ($consumable->category) ? $consumable->category->name : 'Missing category',
                'order_number'  => $consumable->order_number,
                'purchase_date'  => $consumable->purchase_date,
                'purchase_cost'  => ($consumable->purchase_cost!='') ? number_format($consumable->purchase_cost,2): '' ,
                'numRemaining'  => $consumable->numRemaining(),
                'actions'       => $actions,
                'companyName'   => is_null($company) ? '' : e($company->name),
            );
        }

        $data = array('total' => $consumCount, 'rows' => $rows);

        return $data;

    }

	public function getDataView($consumableID)
	{
		$consumable = Consumable::find($consumableID);
    $consumable->load('consumableAssigments','consumableAssigments.admin','consumableAssigments.user');

    if (!Company::isCurrentUserHasAccess($consumable)) {
        return ['total' => 0, 'rows' => []];
    }

    $rows = array();

    foreach ($consumable->consumableAssigments as $consumable_assignment) {
      $rows[] = array(
        'name' => link_to('/admin/users/'.$consumable_assignment->user->id.'/view', $consumable_assignment->user->fullName()),
        'created_at' => $consumable_assignment->created_at->format('Y-m-d H:i:s'),
        'admin' => $consumable_assignment->admin->fullName(),
      );
    }

    $consumableCount = $consumable->users->count();
    $data = array('total' => $consumableCount, 'rows' => $rows);
    return $data;
  }

}