<?php
/**
 * Created by PhpStorm.
 * User: exodus4d
 * Date: 09.02.15
 * Time: 20:43
 */

namespace Model;

use DB\SQL\Schema;
use Controller;
use Controller\Api;
use Exception;

class UserModel extends BasicModel {

    protected $table = 'user';

    protected $fieldConf = [
        'active' => [
            'type' => Schema::DT_BOOL,
            'nullable' => false,
            'default' => 1,
            'index' => true
        ],
        'name' => [
            'type' => Schema::DT_VARCHAR128,
            'nullable' => false,
            'default' => '',
            'index' => true
        ],
        'email' => [
            'type' => Schema::DT_VARCHAR128,
            'nullable' => false,
            'default' => ''
        ],
        'password' => [
            'type' => Schema::DT_VARCHAR128,
            'nullable' => false,
            'default' => ''
        ],
        'shared' => [
            'type' => Schema::DT_BOOL,
            'nullable' => false,
            'default' => 0
        ],
        'apis' => [
            'has-many' => ['Model\UserApiModel', 'userId']
        ],
        'userCharacters' => [
            'has-many' => ['Model\UserCharacterModel', 'userId']
        ],
        'userMaps' => [
            'has-many' => ['Model\UserMapModel', 'userId']
        ]
    ];

    protected $validate = [
        'name' => [
            'length' => [
                'min' => 5,
                'max' => 25
            ]
        ],
        'password' => [
            'length' => [
                'min' => 6
            ]
        ]
    ];

    /**
     * get all data for this user
     * -> ! caution ! this function returns sensitive data! (e.g. email,..)
     * -> user getSimpleData() for faster performance and public user data
     * @return \stdClass
     */
    public function getData(){

        // get public user data for this user
        $userData = $this->getSimpleData();

        // add sensitive user data
        $userData->email = $this->email;

        // user shared info
        $userData->shared = $this->shared;

        // all chars
        $userData->characters = [];
        $characters = $this->getCharacters();
        foreach($characters as $character){
            /**
             * @var $character CharacterModel
             */
            $userData->characters[] = $character->getData();
        }

        // set active character with log data
        $activeCharacter = $this->getActiveCharacter();
        $userData->character = $activeCharacter->getData(true);

        return $userData;
    }

    /**
     * get public user data
     * - check out getData() for all user data
     * @return \stdClass
     */
    public function getSimpleData(){
        $userData = (object) [];
        $userData->id = $this->id;
        $userData->name = $this->name;

        return $userData;
    }

    /**
     * validate and set a email address for this user
     * -> empty email is allowed!
     * @param string $email
     * @return string
     */
    public function set_email($email){
        if (
            !empty($email) &&
            \Audit::instance()->email($email) == false
        ) {
            // no valid email address
            $this->throwValidationError('email');
        }
        return $email;
    }

    /**
     * set a password hash for this user
     * @param string $password
     * @return string
     */
    public function set_password($password){
        if(strlen($password) < 6){
            $this->throwValidationError('password');
        }

        $salt = uniqid('', true);
        return \Bcrypt::instance()->hash($password, $salt);
    }

    /**
     * check if new user registration is allowed
     * @return bool
     * @throws Exception\RegistrationException
     */
    public function beforeInsertEvent(){
        $registrationStatus = Controller\Controller::getRegistrationStatus();

        switch($registrationStatus){
            case 0:
                $f3 = self::getF3();
                throw new Exception\RegistrationException($f3->get('PATHFINDER.REGISTRATION.MSG_DISABLED'));
                return false;
                break;
            case 1:
                return true;
                break;
            default:
                return false;
        }
    }

    /**
     * search for user by unique username
     * @param $name
     * @return array|FALSE
     */
    public function getByName($name){
        return $this->getByForeignKey('name', $name, [], 0);
    }

    /**
     * verify a user by his password
     * @param $password
     * @return bool
     */
    public function verify($password){
        $valid = false;

        if(! $this->dry()){
            $valid = (bool) \Bcrypt::instance()->verify($password, $this->password);
        }

        return $valid;
    }

    /**
     * get all accessible map models for this user
     * @return MapModel[]
     */
    public function getMaps(){

        $this->filter(
            'userMaps',
            ['active = ?', 1],
            ['order' => 'created']
        );

        $maps = [];
        if($this->userMaps){
            $mapCountPrivate = 0;
            foreach($this->userMaps as &$userMap){
                if(
                    $userMap->mapId->isActive() &&
                    $mapCountPrivate < self::getF3()->get('PATHFINDER.MAX_MAPS_PRIVATE')
                ){
                    $maps[] = &$userMap->mapId;
                    $mapCountPrivate++;
                }
            }
        }

        // get current active character
        $controller = new Controller\Controller();
        $activeCharacter = $controller->getCharacter();
        $corporation = $activeCharacter->getCorporation();
        $alliance = $activeCharacter->getAlliance();

        if($alliance){
            $maps = array_merge($maps, $alliance->getMaps());
        }

        if($corporation){
            $maps = array_merge($maps,  $corporation->getMaps());
        }

        return $maps;
    }

    /**
     * get mapModel by id and check if user has access
     * @param int $mapId
     * @return MapModel|null
     * @throws Exception
     */
    public function getMap(int $mapId){
        /**
         * @var $map MapModel
         */
        $map = self::getNew('MapModel');
        $map->getById( $mapId );

        $returnMap = null;
        if($map->hasAccess($this)){
            $returnMap = $map;
        }

        return $returnMap;
    }


    /**
     * get all API models for this user
     * @return array|mixed
     */
    public function getAPIs(){
        $this->filter('apis', ['active = ?', 1]);

        $apis = [];
        if($this->apis){
            $apis = $this->apis;
        }

        return $apis;
    }

    /**
     * set main character ID for this user.
     * If id does not match with his API chars -> select "random" main character
     * @param int $characterId
     */
    public function setMainCharacterId($characterId = 0){

        if(is_int($characterId)){
            $userCharacters = $this->getUserCharacters();

            if(count($userCharacters) > 0){
                $mainSet = false;
                foreach($userCharacters as $userCharacter){
                    if($characterId == $userCharacter->getCharacter()->id){
                        $mainSet = true;
                        $userCharacter->setMain(1);
                    }else{
                        $userCharacter->setMain(0);
                    }
                    $userCharacter->save();
                }

                // set first character as "main"
                if( !$mainSet ){
                    $userCharacter = reset($userCharacters);
                    $userCharacter->setMain(1);
                    $userCharacter->save();
                }
            }
        }
    }

    /**
     * get all userCharacters models for a user
     * characters will be checked/updated on login by CCP API call
     * @return UserCharacterModel[]
     */
    public function getUserCharacters(){
        $this->filter('userCharacters', ['active = ?', 1]);

        $userCharacters = [];
        if($this->userCharacters){
            $userCharacters = $this->userCharacters;
        }

        return $userCharacters;
    }

    /**
     * Get the main user character for this user
     * @return null
     */
    public function getMainUserCharacter(){
        $mainUserCharacter = null;
        $userCharacters = $this->getUserCharacters();

        foreach($userCharacters as $userCharacter){
            if($userCharacter->isMain()){
                $mainUserCharacter = $userCharacter;
                break;
            }
        }

        return $mainUserCharacter;
    }

    /**
     * get the current active character for this user
     * -> EITHER - the current active one for the current user
     * -> OR - get the first active one
     * @return null|CharacterModel
     */
    public function getActiveCharacter(){
        $activeCharacter = null;
        $controller = new Controller\Controller();
        $currentActiveCharacter = $controller->getCharacter();

        if(
            !is_null($currentActiveCharacter) &&
            $currentActiveCharacter->getUser()->_id === $this->id
        ){
            $activeCharacter = &$currentActiveCharacter;
        }else{
            // set "first" found as active for this user
            if($activeCharacters = $this->getActiveCharacters()){
                $activeCharacter = &$activeCharacters[0];
            }
        }

        return $activeCharacter;
    }

    /**
     * get all characters for this user
     * @return CharacterModel[]
     */
    public function getCharacters(){
        $userCharacters = $this->getUserCharacters();
        $characters = [];
        foreach($userCharacters as $userCharacter){
            /**
             * @var $userCharacter UserCharacterModel
             */
            if( $currentCharacter = $userCharacter->getCharacter() ){
                // check if userCharacter has a valid character
                // -> this should never fail!
                $characters[] = $currentCharacter;
            }
        }

        return $characters;
    }

    /**
     * get all active characters (with log entry)
     * hint: a user can have multiple active characters
     * @return CharacterModel[]
     */
    public function getActiveCharacters(){
        $userCharacters = $this->getUserCharacters();

        $activeCharacters = [];
        foreach($userCharacters as $userCharacter){
            /**
             * @var $userCharacter UserCharacterModel
             */
            $characterModel = $userCharacter->getCharacter();
            if($characterLog = $characterModel->getLog()){
                $activeCharacters[] = $characterModel;
            }
        }

        return $activeCharacters;
    }

    /**
     * updated the character log entry for a user character by IGB Header data
     * @param int $ttl cache time in seconds
     * @throws \Exception
     */
    /*
    public function updateCharacterLog($ttl = 0){

        $headerData = Controller\Controller::getIGBHeaderData();

        // check if IGB Data is available
        if( !empty($headerData->values) ){
            $f3 = self::getF3();

            // check if system has changed since the last call
            // current location is stored (global) to avoid unnecessary DB calls
            $sessionCharacterKey = 'LOGGED.user.character.id_' . $headerData->values['charid'];

            if($f3->exists($sessionCharacterKey)){
                // cache data exists
                $cacheData = $f3->get($sessionCharacterKey);
            }else{
                // new cache data
                $cacheData = [
                    'systemId' => 0,
                    'shipId' => 0
                ];
            }

            if(
                $cacheData['systemId'] != $headerData->values['solarsystemid'] ||
                $cacheData['shipId'] != $headerData->values['shiptypeid']
            ){
                $cacheData['systemId'] = (int)$headerData->values['solarsystemid'];
                $cacheData['shipId'] = (int)$headerData->values['shiptypeid'];

                // character has changed system, or character just logged on
                $character = self::getNew('CharacterModel');
                $character->getById( (int)$headerData->values['charid'] );

                if( $character->dry() ){
                    // this can happen if a valid user plays the game with a not registered character
                    // whose API is not registered -> save new character or update character data
                    $corporationId = array_key_exists('corpid', $headerData->values) ? $headerData->values['corpid'] : null;
                    $allianceId = array_key_exists('allianceid', $headerData->values) ? $headerData->values['allianceid'] : null;

                    // check if corp exists
                    if( !is_null($corporationId) ){
                        $corporation = self::getNew('CorporationModel');
                        $corporation->getById( (int)$corporationId );
                        if( $corporation->dry() ){
                            $corporation->id = $corporationId;
                            $corporation->name = $headerData->values['corpname'];
                            $corporation->save();
                        }
                    }

                    // check if ally exists
                    if( !is_null($allianceId) ){
                        $alliance = self::getNew('AllianceModel');
                        $alliance->getById( (int)$allianceId );
                        if( $alliance->dry() ){
                            $alliance->id = $allianceId;
                            $alliance->name = $headerData->values['alliancename'];
                            $alliance->save();
                        }
                    }

                    $character->id = (int) $headerData->values['charid'];
                    $character->name = $headerData->values['charname'];
                    $character->corporationId = $corporationId;
                    $character->allianceId = $allianceId;
                    $character->save();
                }

                // check if this character has an active log
                if( !$characterLog = $character->getLog() ){
                    $characterLog = self::getNew('CharacterLogModel');
                }

                // set character log values
                $characterLog->characterId = $character;
                $characterLog->systemId = (int)$headerData->values['solarsystemid'];
                $characterLog->systemName = $headerData->values['solarsystemname'];
                $characterLog->shipId = (int)$headerData->values['shiptypeid'];
                $characterLog->shipName = $headerData->values['shipname'];
                $characterLog->shipTypeName = $headerData->values['shiptypename'];

                $characterLog->save();

                // clear cache for the characterModel as well
                $character->clearCacheData();

                // cache character log information
                $f3->set($sessionCharacterKey, $cacheData, $ttl);
            }
        }
    }
    */


}