<?php

namespace App\Jobs;

use Illuminate\Bus\Queueable;
use Illuminate\Queue\SerializesModels;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Log;

//App Library
use App\Library\Structures\StructureHelper;
use App\Jobs\Library\JobHelper;
use Seat\Eseye\Cache\NullCache;
use Seat\Eseye\Configuration;
use Seat\Eseye\Containers\EsiAuthentication;
use Seat\Eseye\Eseye;
use Seat\Eseye\Exceptions\RequestFailedException;

//App Models
use App\Models\Jobs\JobProcessStructure;
use App\Models\Jobs\JobStatus;
use App\Models\Structure\Structure;
use App\Models\Structure\Service;
use App\Models\Esi\EsiToken;
use App\Models\Esi\EsiScope;

class ProcessStructureJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    /**
     * Timeout in seconds
     * 
     * @var int
     */
    public $timeout = 300;

    /**
     * Number of job retries
     */
    public $tries = 3;

    /**
     * Job Variables
     */
    private $charId;
    private $corpId;
    private $page;
    private $esi;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct(JobProcessStructure $jps)
    {
        $this->charId = $jps->charId;
        $this->corpId = $jps->corpId;
        $this->page = $jps->page;

        //Setup the esi authentication container
        $config = config('esi');
        //Get the refresh token from the database
        $token = EsiToken::where(['character_id' => $this->charId])->get(['refresh_token']);
        $authentication = new EsiAuthentication([
            'client_id' => $config['client_id'],
            'secret' => $config['secret'],
            'refresh_token' => $token[0]->refresh_token,
        ]);

        $this->esi = new Eseye($authentication);

        // Disable all caching by setting the NullCache as the
        // preferred cache handler. By default, Eseye will use the
        // FileCache.
        $configuration = Configuration::getInstance();
        $configuration->cache = NullCache::class;

        //Set the connection for the job
        $this->connection = 'redis';
    }

    /**
     * Execute the job.
     * The job's task is to get all of the information for a particular structure
     * and store it in the database.  This task can take a few seconds because of the ESI
     * calls required to store the information.  We leave this type of job up to the queue
     * in order to take the load off of the cron job.
     *
     * @return void
     */
    public function handle()
    {
        //Get the page of structures
        $structures = $this->GetListOfStructures();

        foreach($structures as $structure) {
            $info = $this->GetStructureInfo($structure->structure_id);

            if(isset($info->solar_system_id)) {
                $solarName = $this->GetSolarSystemName($info->solar_system_id);

                //Record the structure information into the database
                //Find if the structure exists
                $found = Structure::where(['structure_id' => $structure->structure_id])->get();
                if($found) {
                    $this->UpdateExistingStructure($structure, $info, $solarName);
                } else {
                    $this->StoreNewStructure($structure, $info, $solarName);
                }
            } else {
                Log::critical("Couldn't get solar system name for structure " . $structure->structure_id);
                Log::critical("Check access lists.");
            }            
        }
    }

    private function UpdateExistingStructure($structure, $info, $solarName) {
        //For each line see if it is part of the structure array, and attempt to modify each variable
        //This will be implemented in the near future.

        if(isset($structure->services)) {
            foreach($structure->services as $service) {
                //Search for the service, and if found, update it, else add it.
                $serviceFound = Service::where([
                    'structure_id' => $structure->structure_id,
                    'name' => $service->name,
                ])->get();
                if($serviceFound) {
                    Service::where([
                        'structure_id' => $structure->structure_id,
                        'name' => $service->name,
                    ])->update([
                        'state' => $service->state,
                    ]);
                } else {
                    $newService = new Service;
                    $newService->structure_id = $structure->structure_id;
                    $newService->name = $service->name;
                    $newService->state = $service->state;
                }
                
            }
        }
    }

    private function StoreNewStructure($structure, $info, $solarName) {
        $struct = new Structure;
        $struct->structure_id = $structure->structure_id;
        $struct->structure_name = $info->name;
        $struct->corporation_id = $info->owner_id;
        $struct->solar_system_id = $info->solar_system_id;
        $struct->solary_system_name = $solarName;
        if(isset($info->type_id)) {
            $struct->type_id = $info->type_id;
        }
        $struct->corporation_id = $structure->corporation_id;
        if(isset($structure->services)) {
            $struct->services = true;
        } else {
            $struct->services = false;
        }
        if(isset($structure->state_timer_start)) {
            $struct->state_timer_start = $this->DecodeDate($structure->state_timer_start);
        }
        if(isset($structure->state_timer_end)) {
            $struct->state_timer_end = $this->DecodeDate($structure->state_timer_end);
        }
        if(isset($structure->fuel_expires)) {
            $struct->fuel_expires = $structure->fuel_expires;
        }
        $struct->profile_id = $structure->profile_id;
        $struct->position_x = $info->position->x;
        $struct->position_y = $info->position->y;
        $struct->position_z = $info->position->z;
        if(isset($structure->next_reinforce_apply)) {
            $struct->next_reinforce_apply = $structure->next_reinforce_apply;
        }
        if(isset($structure->next_reinforce_hour)) {
            $struct->next_reinforce_hour = $structure->next_reinforce_hour;
        }
        if(isset($structure->next_reinforce_weekday)) {
            $struct->next_reinforce_weekday = $structure->next_reinforce_weekday;
        }
        $struct->reinforce_hour = $structure->reinforce_hour;
        if(isset($structure->reinforce_weekday)) {
            $struct->reinforce_weekday = $structure->reinforce_weekday;
        }
        if(isset($structure->unanchors_at)) {
            $struct->unanchors_at = $structure->unanchors_at;
        }            
        //If we set the structure services to true, let's save the services
        if($structure->services == true) {
            $this->StorestructureServices($structure->services, $structure->structure_id);
        }

        //Save the database record
        $struct->save();
    }

    private function GetSolarSystemName($systemId) {

        //Attempt to get the solar system name from ESI
        try {
            $solar = $this->esi->invoke('get', '/universe/systems/{system_id}/', [
                'system_id' => $systemId,
            ]);
        } catch(RequestFailedException $e) {
            $solar = null;
        }

        if($solar != null) {
            return $solar->name;
        } else {
            return null;
        }
    }

    private function GetStructureInfo($structureId) {
        try {
            $info = $this->esi->invoke('get', '/universe/structures/{structure_id}/', [
                'structure_id' => $structureId,
            ]);
        } catch(RequestFailedException $e) {
            Log::warning("Failed to get structure information for structure with id " . $structureId);
            Log::warning(var_dump($info));
            Log::warning($e->getCode());
            Log::warning($e->getMessage());
            Log::warning($e->getEsiResponse());
            $info = null;
        }

        return $info;
    }

    private function GetListOfStructures() {
        try {
            $structures = $this->esi->page($this->page)
                              ->invoke('get', '/corporations/{corporation_id}/structures/', [
                                'corporation_id' => $this->corpId,
                                ]);
        } catch (RequestFailedException $e) {
            Log::critical("Failed to get structure list.");
            $structures = null;
        }

        return $structures;
    }

    private function StoreStructureServices($services, $structureId) {
        foreach($services as $service) {
            //Find the structure id and the name of the service to see if it exists
            $found = Service::where([
                'structure_id' => $structureId,
                'name' => $service->name,
            ])->get();

            if(!$found) {
                $new = new Service;
                $new->structure_id = $structureId;
                $new->name = $service->name;
                $new->state = $service->state;
                $new->save();
            } else {
                Service::where([
                    'structure_id' => $structureId,
                    'name' => $service->name,
                ])->update([
                    'state' => $service->state,
                ]);
            }

            
        }
    }

    private function DecodeDate($date) {
        $esiHelper = new Esi();

        $dateTime = $esiHelper->DecodeDate($date);

        return $dateTime;
    }
}