<?php

namespace App\Models;

use App\Notifications\AuditNotification;
use Illuminate\Support\Facades\Auth;

trait Loggable
{

    /**
     * @author  Daniel Meltzer <dmeltzer.devel@gmail.com>
     * @since [v3.4]
     * @return \App\Models\Actionlog
     */

    public function log()
    {
        return $this->morphMany(Actionlog::class, 'item');
    }

    /**
     * @author  Daniel Meltzer <dmeltzer.devel@gmail.com>
     * @since [v3.4]
     * @return \App\Models\Actionlog
     */
    public function logCheckout($note, $target, $action_date)
    {
        $log = new Actionlog;
        $log = $this->determineLogItemType($log);
        if(Auth::user())
            $log->user_id = Auth::user()->id;

        if (!isset($target)) {
            throw new Exception('All checkout logs require a target');
            return;
        }
        $log->target_type = get_class($target);
        $log->target_id = $target->id;


        // Figure out what the target is
        if ($log->target_type == Location::class) {
            $log->location_id = $target->id;
        } elseif ($log->target_type == Asset::class) {
            $log->location_id = $target->location_id;
        } else {
            $log->location_id = $target->location_id;
        }

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

        return $log;
    }

    /**
    * Helper method to determine the log item type
    */
    private function determineLogItemType($log)
    {
        // We need to special case licenses because of license_seat vs license.  So much for clean polymorphism :
        if (static::class == LicenseSeat::class) {
            $log->item_type = License::class;
            $log->item_id = $this->license_id;
        } else {
            $log->item_type = static::class;
            $log->item_id = $this->id;
        }

        return $log;
    }
    /**
     * @author  Daniel Meltzer <dmeltzer.devel@gmail.com>
     * @since [v3.4]
     * @return \App\Models\Actionlog
     */
    public function logCheckin($target, $note, $action_date)
    {
        $log = new Actionlog;
        $log->target_type = get_class($target);
        $log->target_id = $target->id;

        if (static::class == LicenseSeat::class) {
            $log->item_type = License::class;
            $log->item_id = $this->license_id;
        } else {

            $log->item_type = static::class;
            $log->item_id = $this->id;

            if (static::class == Asset::class) {
                if ($asset = Asset::find($log->item_id)) {
                    $asset->increment('checkin_counter', 1);
                }
            }

        }


        $log->location_id = null;
        $log->note = $note;
        $log->action_date = $action_date;
        $log->user_id = Auth::user()->id;
        $log->logaction('checkin from');

        return $log;
    }


    /**
     * @author  A. Gianotto <snipe@snipe.net>
     * @since [v4.0]
     * @return \App\Models\Actionlog
     */
    public function logAudit($note, $location_id, $filename = null)
    {
        $log = new Actionlog;
        $location = Location::find($location_id);
        if (static::class == LicenseSeat::class) {
            $log->item_type = License::class;
            $log->item_id = $this->license_id;
        } else {
            $log->item_type = static::class;
            $log->item_id = $this->id;
        }
        $log->location_id = ($location_id) ? $location_id : null;
        $log->note = $note;
        $log->user_id = Auth::user()->id;
        $log->filename = $filename;
        $log->logaction('audit');

        $params = [
            'item' => $log->item,
            'filename' => $log->filename,
            'admin' => $log->user,
            'location' => ($location) ? $location->name : '',
            'note' => $note
        ];
        Setting::getSettings()->notify(new AuditNotification($params));

        return $log;
    }


    /**
     * @author  Daniel Meltzer <dmeltzer.devel@gmail.com>
     * @since [v3.5]
     * @return \App\Models\Actionlog
     */
    public function logCreate($note = null)
    {
        $user_id = -1;
        if (Auth::user()) {
            $user_id = Auth::user()->id;
        }
        $log = new Actionlog;
        if (static::class == LicenseSeat::class) {
            $log->item_type = License::class;
            $log->item_id = $this->license_id;
        } else {
            $log->item_type = static::class;
            $log->item_id = $this->id;
        }
        $log->location_id = null;
        $log->note = $note;
        $log->user_id = $user_id;
        $log->logaction('create');
        $log->save();
        return $log;
    }

    /**
     * @author  Daniel Meltzer <dmeltzer.devel@gmail.com>
     * @since [v3.4]
     * @return \App\Models\Actionlog
     */
    public function logUpload($filename, $note)
    {
        $log = new Actionlog;
        if (static::class == LicenseSeat::class) {
            $log->item_type = License::class;
            $log->item_id = $this->license_id;
        } else {
            $log->item_type = static::class;
            $log->item_id = $this->id;
        }
        $log->user_id = Auth::user()->id;
        $log->note = $note;
        $log->target_id =  null;
        $log->created_at =  date("Y-m-d H:i:s");
        $log->filename =  $filename;
        $log->logaction('uploaded');

        return $log;
    }
}