From 055b8d058bb8647a238462f116fee181445117e4 Mon Sep 17 00:00:00 2001
From: themattsparks <themattsparks@gmail.com>
Date: Thu, 6 Jul 2017 21:47:35 -0400
Subject: [PATCH] Added check to see if paths exist before parsing, added
 property and parameter maps, changed method name to invertLightness

---
 src/Builders/Builder.php                | 40 ++++++++++++++++++++++++-
 src/Builders/GoogleStaticMapBuilder.php | 13 +++++++-
 src/Components/Styleable.php            |  4 +--
 3 files changed, 53 insertions(+), 4 deletions(-)

diff --git a/src/Builders/Builder.php b/src/Builders/Builder.php
index 924f54b..2aa0624 100644
--- a/src/Builders/Builder.php
+++ b/src/Builders/Builder.php
@@ -10,6 +10,14 @@ abstract class Builder implements BuilderInterface
      * @var string
      */
     protected $baseUri;
+    /**
+     * @var array
+     */
+    protected $parameterMap = [];
+    /**
+     * @var array
+     */
+    protected $propertyMap = [];
     /**
      * @var StaticMap
      */
@@ -38,7 +46,37 @@ public function __construct(StaticMap $staticMap)
      */
     public function addParameter($parameter, $value)
     {
-        $this->uri .= $parameter . '=' . urlencode($value) . '&';
+        $this->uri .= $this->mapParameter($parameter) . '=' . urlencode($value) . '&';
+    }
+
+    /**
+     * Map Parameter
+     *
+     * @param $parameter
+     * @return mixed
+     */
+    public function mapParameter($parameter)
+    {
+        if (array_key_exists($parameter, $this->parameterMap)) {
+            return $this->parameterMap[$parameter];
+        }
+
+        return $parameter;
+    }
+
+    /**
+     * Map Property
+     *
+     * @param $property
+     * @return mixed
+     */
+    public function mapProperty($property)
+    {
+        if (array_key_exists($property, $this->propertyMap)) {
+            return $this->propertyMap[$property];
+        }
+
+        return $property;
     }
 
     /**
diff --git a/src/Builders/GoogleStaticMapBuilder.php b/src/Builders/GoogleStaticMapBuilder.php
index 0343eeb..0304869 100644
--- a/src/Builders/GoogleStaticMapBuilder.php
+++ b/src/Builders/GoogleStaticMapBuilder.php
@@ -14,6 +14,13 @@ class GoogleStaticMapBuilder extends Builder implements BuilderInterface
     const STYLE_FORMAT = 'feature:%s|%s';
     const MULTI_STYLE_FORMAT = 'feature:%s|%s|%s';
 
+    /**
+     * @var array
+     */
+    protected $propertyMap = [
+      'invertLightness' => 'invert_lightness'
+    ];
+
     /**
      * @var string
      */
@@ -50,6 +57,10 @@ public function addKey()
      */
     public function addPath()
     {
+        if(!$this->staticMap->path) {
+            return;
+        }
+
         $properties = get_object_vars($this->staticMap->path);
         $points     = $this->staticMap->path->points;
 
@@ -151,7 +162,7 @@ public function format(array $params, $format)
 
         foreach ($params as $property => $value) {
             if ($value) {
-                $temp .= sprintf($format, $property, $value);
+                $temp .= sprintf($format, $this->mapProperty($property), $value);
             }
         }
 
diff --git a/src/Components/Styleable.php b/src/Components/Styleable.php
index 803b6e9..528e1f8 100644
--- a/src/Components/Styleable.php
+++ b/src/Components/Styleable.php
@@ -20,7 +20,7 @@ class Styleable
     /**
      * @var string
      */
-    public $invert_lightness = null;
+    public $invertLightness = null;
     /**
      * @var string
      */
@@ -101,7 +101,7 @@ public function invert()
      */
     public function invertLightness($invertLightness)
     {
-        $this->invert_lightness = $invertLightness;
+        $this->invertLightness = $invertLightness;
 
         return $this;
     }