<?php

namespace app\controllers;

use Yii;
use common\controllers\CommonApiController;
use common\models\SOLRQueryManager;
use common\models\WebService;

class ApiController extends CommonApiController {

    /*can be used for portal specific actions (will overwrite common action)
      New actions should be defined in the common controller and should be made configurable
    */
	
	public function actionSearch() {
	
		// Define whether an HTTPS connection is required
		$HTTPS_required = FALSE;
	
		// Define whether user authentication is required
		$authentication_required = FALSE;
	
		// Define API response codes and their related HTTP response
		$api_response_code = array (
				0 => array (
						'HTTP Response' => 400,
						'Message' => 'Unknown Error'
				),
				1 => array (
						'HTTP Response' => 200,
						'Message' => 'Success'
				),
				2 => array (
						'HTTP Response' => 403,
						'Message' => 'HTTPS Required'
				),
				3 => array (
						'HTTP Response' => 401,
						'Message' => 'Authentication Required'
				),
				4 => array (
						'HTTP Response' => 401,
						'Message' => 'Authentication Failed'
				),
				5 => array (
						'HTTP Response' => 404,
						'Message' => 'Invalid Request'
				),
				6 => array (
						'HTTP Response' => 400,
						'Message' => 'Invalid Response Format'
				)
		);
		$method="";
		$filters = [ ];
		if (isset ( $_GET ['unitID'] )) {
			$filters ['unitID'] = $_GET ['unitID'];
		} else {
			$filters ['unitID'] = '*';
		}
		if (isset ( $_GET ['sampleType'] )) {
			$filters ['sampletype'] = $_GET ['sampleType'];
		}
		if (isset ( $_GET ['name'] )) {
			$filters ['fullScientificName_nc'] = $_GET ['name'];
		}
		if (isset ( $_GET ['country'] )) {
			$filters ['country'] = $_GET ['country'];
		}
		if (isset ( $_GET ['isocountry'] )) {
			$filters ['isocountrycode'] = $_GET ['isocountry'];
		}
		if (isset ( $_GET ['repository'] )) {
			$filters ['institution'] = $_GET ['repository'];
		}
		if (isset ( $_GET ['institution'] )) {
			$filters ['institution'] = $_GET ['institution'];
		}
	
		$facetnames = [ ];
	
		if (isset ( $_GET ['getSampletype'] )){
			$facetnames [] = 'sampletype';
			$method="getSampletype";
		}
		
		if (isset ( $_GET ['getCollYear'] )){
			$facetnames [] = 'gatheringyear';
			$method="getCollYear";
		}
	
		if (isset ( $_GET ['getClassification'] )) {
			$facetnames [] = 'familia';
			$facetnames [] = 'genus';
			$facetnames [] = 'species';
			$facetnames [] = 'classis';
			$facetnames [] = 'ordo';
			$facetnames [] = 'phylum';
			$facetnames [] = 'regnum';
			
			$method="getClassification";
			
		}
	
		/*   if (isset ( $_GET ['getRecords'] )) {
		 $facetnames [] = 'sampletype';
		 $method="getRecords";
		 if(isset ( $_GET ['unitID'])) { $filters ['unitID_nc'] = "(".$_GET ['unitID'].")";}
		 if(isset ( $_GET ['collCode'])) { $filters ['collectioncode'] = $_GET ['collCode'];}
		 if(isset ( $_GET ['instCode'])) { $filters ['institutioncode'] = $_GET ['instCode'];}
		 } */
	
		if (isset ( $_GET ['getCounts'] )) {
			$method="getCounts";
			$facetnames = [ ];
			$facetnames [] = 'sampletype';
			$facetnames [] = 'familia';
			$facetnames [] = 'genus';
			$facetnames [] = 'species';
			$facetnames [] = 'voucherCol';
			$facetnames [] = 'institution';
			$facetnames [] = 'country';
			$facetnames [] = 'continent';
			$facetnames [] = 'sea';
			$facetnames [] = 'ocean';
			$facetnames [] = 'gatheringyear';
		//	$facetnames [] = 'isMarine'; 
			$filters = [ ];
			if(isset ( $_GET ['name'])) { $filters ['fullScientificName_nc'] = $_GET ['name'];}
			if(isset ( $_GET ['isocountry'])) { $filters ['isocountrycode'] = $_GET ['isocountry'];}
			if (isset ( $_GET ['repository'] ) || isset ( $_GET ['institution'] )) {
				if (isset ( $_GET ['repository'] ))
					$filters ['institution'] = $_GET ['repository'];
				if (isset ( $_GET ['institution'] ))
					$filters ['institution'] = $_GET ['institution'];
			} else
				$filters ['institution'] = "---";
		}
	
		if (isset ( $_GET ['getRepositories'] )) {
			$method="getRepositories";
			$facetnames = [ ];
			$facetnames [] = 'institution';
			$filters = [ ];
			$filters ['institution'] = "---";
			if (isset ( $_GET ['sampleType'] )) { $filters ['sampletype'] = $_GET ['sampleType']; }
	
		}
	
		$config = SOLRQueryManager::getConfigSearch ();
		$query = SOLRQueryManager::createSearchQuery ( $config );
		$q = [ ];
		foreach ( $filters as $key => $value ) {
			
			if (strpos($value, 'AND') > -1) {
			     $booleanOperator = true;
			     $value = str_replace (" AND ", "XANDX", $value);
			} else $booleanOperator = false;
			
			$value = str_replace ( " ", "\ ", $value ); // the " AND " will be masked too, hence the extraloop with replacement
			$value = str_replace ( "(", "\(", $value );
			$value = str_replace ( ")", "\)", $value );
			$value = str_replace ( ":", "\:", $value ); 
			
			if ($booleanOperator == true) {
				$value = "(".str_replace ("XANDX", " AND ", $value).")";
			}
			
			$q [] = SOLRQueryManager::getPartialQuery ( $key, $value, $filters, False );
		}
	
		$fq =NULL;
		if(!empty($filters)){
			$fq = "{!join from=tripleidstoreid to=tripleidstoreid fromIndex=" . Yii::$app->params ['solrdetailsname'] . "}*:*";
			// 		$fq.=implode ( " AND ", $q );
		}
	
		$query->setRows ( 0 );
		$q2 = [ ];
		foreach ( $q as $qq )
			if (! empty ( $qq ))
				$q2 [] = $qq;
			if (empty ( $q2 ))
				$q2 = [
						"*:*".Yii::$app->params['thematicSOLRfilter']
				];
				$q = $q2;
				$raw_response = SOLRQueryManager::apiQuery ( $query, implode ( " AND ", $q ), $fq, $facetnames, "[]" );
	
				// echo "Hello World! This is a first test for API RESTful Webservice on GGBN index. Data retrieved from SOLR index using portal queries. Yeah!
				// TODO: encoding somehow wrong, but hex-unicode seems to be a browser problem only; wt=xml looks strange, since json is output format;
				// can enforce wt=json, but than portal facet search is no longer working
				// check whether to use one SOLR core for portal and API or better two separate cores -> need specification what is required from
				// third parties such as EOL, GBIF, INSDC, and EDIT
				// If we can use same SOLR core for both would it be easier to use the web service for portal too?
	
				// Currently working parameters: unitID, sampleType, name, country, isocountry
				// ";
				$format = 'json';
	
				// $response ['code'] = 0;
				// $response ['status'] = $status;
	
				// echo $status;
	
				if (isset ( $_GET ['getCounts'] )) {
					$response = [ ];
					$response["method"]=$method;
					foreach ($filters as $k=>$v)
						if($v!=="---" && $v!=="*")
							$response["filters"]=$k."=".$v;
						$response ['nbSamples'] = $raw_response->getNumFound ();
	
						$f = $raw_response->getFacetSet ()->getFacet ( "familia" );
						$nb = 0;
						foreach ( $f as $ff ) {
							$nb += 1;
						}
							
						$response ['nbFamilies'] = $nb;
							
						$f = $raw_response->getFacetSet ()->getFacet ( "genus" );
						$nb = 0;
						foreach ( $f as $ff ) {
							$nb += 1;
						}
						$response ['nbGenera'] = $nb;
							
	
						$f = $raw_response->getFacetSet ()->getFacet ( "species" );
						$nb = 0;
						foreach ( $f as $ff ) {
							$nb += 1;
						}
						$response ['nbSpecies'] = $nb;
							
				 		 $f = $raw_response->getFacetSet ()->getFacet ( "institution" );
						 $nb = 0;
						 foreach ( $f as $ff ) {
						 $nb += 1;
						 }
	
						 $response ['nbSampleCollections'] = $nb;
						 	
						 $f = $raw_response->getFacetSet ()->getFacet ( "voucherCol" );
						 $nb = 0;
						 foreach ( $f as $ff ) {
						 $nb += 1;
						 }
						 	
						 $response ['nbVoucherCollections'] = $nb;
						 	
						 $f = $raw_response->getFacetSet ()->getFacet ( "country" );
						 $nb = 0;
						 foreach ( $f as $ff ) {
						 $nb += 1;
						 }
	
						 $response ['nbCountries'] = $nb;
						 	
						 $f = $raw_response->getFacetSet ()->getFacet ( "continent" );
						 $nb = 0;
						 foreach ( $f as $ff ) {
						 $nb += 1;
						 }
						 	
						 $response ['nbContinents'] = $nb;
						 	
						 $f = $raw_response->getFacetSet ()->getFacet ( "sea" );
						 $nb = 0;
						 foreach ( $f as $ff ) {
						 $nb += 1;
						 }
	
						 $response ['nbSeas'] = $nb;
						 	
						 $f = $raw_response->getFacetSet ()->getFacet ( "ocean" );
						 $nb = 0;
						 foreach ( $f as $ff ) {
						 $nb += 1;
						 }
	
						 $response ['nbOceans'] = $nb;
						 	
				/*		 $nbMarine = $raw_response->getFacetSet ()->getFacet ( "isMarine" );
						 foreach ($nbMarine as $key => $count) {
						    $response ['nbIsMarine'] = $nbMarine;
						 } */
						 	
						 $nbCollectionYear = $raw_response->getFacetSet ()->getFacet ( "gatheringyear" );
						foreach ($nbCollectionYear as $key => $count) {
						    $response ['nbCollectionYear'] = $nbCollectionYear;
						 }
							
						$response ['samples'] = $raw_response->getFacetSet ()->getFacet ( "sampletype" );
						
						$response ['continents'] = $raw_response->getFacetSet ()->getFacet ( "continent" );
						
						$response ['countries'] = $raw_response->getFacetSet ()->getFacet ( "country" );
						
						$response ['oceans'] = $raw_response->getFacetSet ()->getFacet ( "ocean" );
						
						$response ['seas'] = $raw_response->getFacetSet ()->getFacet ( "sea" );
				} else {
						
					$doc = $raw_response->getFacetSet ();
					$numFound = $raw_response->getNumFound ();
						
					$status = $raw_response->getStatus();
					$response = [ ];
					$response["method"]=[$method];
					foreach ($filters as $k=>$v)
						if($v!=="---" && $v!=="*")
							$response["filters"]=$k."=".$v;
						$facets=$raw_response->getFacetSet();
						foreach($facetnames as $fn )
							$response[$fn] = $facets->getFacet($fn);
				}
				WebService::deliver_response ( $format, $response );
	
				return;
	}
	
	
}