<?php

namespace frontend\controllers;

use Yii;
use yii\base\InvalidParamException;
use yii\web\BadRequestHttpException;
use yii\web\Controller;
use yii\filters\VerbFilter;
use yii\filters\AccessControl;
use yii\helpers\Url;
use ggbn\SOLRQueryManager;
use ggbn\WebService;

class ApiController extends Controller {
	public function actionIndex() {
		echo "HALLO.Placeholder page.";
	}
	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'
				)
		);
	
			
		$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'] = $_GET ['name'];
		}
		if (isset ( $_GET ['country'] )) {
			$filters ['country'] = $_GET ['country'];
		}
		if (isset ( $_GET ['isocountry'] )) {
			$filters ['countryisocode'] = $_GET ['isocountry'];
		}
	
	
		$config = SOLRQueryManager::getConfigDetails ();
		$query = SOLRQueryManager::createSearchQuery ( $config );
		
		foreach ( $filters as $key => $value ) {
			$value = str_replace ( " ", "\ ", $value );
			$value = str_replace ( "(", "\(", $value );
			$value = str_replace ( ")", "\)", $value );
			$value = str_replace ( ":", "\:", $value );
				$q [] = SOLRQueryManager::getPartialQuery ( $key, $value, $filters, False );
		}
		$fq=null;
		$raw_response = SOLRQueryManager::fillAndExecuteQuery ( $query, implode ( " AND ", $q ), $fq, $filters, False );
		
		$doc = $raw_response->getDocuments ();
		$numFound = $raw_response->getNumFound ();
		
		$status = $raw_response->getStatus();
	

// 		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 = $doc;
// 		$response ['code'] = 0;
// 		$response ['status'] = $status;
	
	//	echo $status;
		WebService::deliver_response ( $format, $response );
	
		return;
	}
}