From 5caf2fb8db7cb16f12a43af72a2e1ac860d81f57 Mon Sep 17 00:00:00 2001
From: Linlin Yan <yanlinlin82@gmail.com>
Date: Tue, 5 Apr 2022 09:28:47 +0800
Subject: Support different search engine.

---
 layouts/_default/baseof.html | 14 +++++++++++++-
 layouts/partials/search.html | 18 ++++++------------
 2 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 033c397..b4d5b73 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -27,7 +27,19 @@
       {{- range .Site.Menus.main -}}
       <a href="{{ .URL }}">{{ .Name }}</a>
       {{- end -}}
-      {{ partial "search.html" -}}
+      {{ if isset site.Params "search" -}}
+        {{ if eq site.Params.Search "baidu" -}}
+          {{ partial "search.html" (dict "url" "https://www.baidu.com/s" "key" "wd") -}}
+        {{ else if eq site.Params.Search "google" -}}
+          {{ partial "search.html" (dict "url" "https://www.google.com/search" "key" "q") -}}
+        {{ else if eq site.Params.Search "bing" -}}
+          {{ partial "search.html" (dict "url" "https://www.bing.com/search" "key" "q") -}}
+        {{ else if eq site.Params.Search "duckduckgo" -}}
+          {{ partial "search.html" (dict "url" "https://www.duckduckgo.com/" "key" "q") -}}
+        {{ else -}}
+          {{ errorf "Unknown 'Site.Params.Search' value '%s'! Only 'baidu' is supported now." site.Params.Search -}}
+        {{ end -}}
+      {{ end -}}
       </nav>
   </header>
   <main>
diff --git a/layouts/partials/search.html b/layouts/partials/search.html
index 4156a96..9f56b98 100644
--- a/layouts/partials/search.html
+++ b/layouts/partials/search.html
@@ -1,27 +1,21 @@
-{{ if isset site.Params "search" -}}
-{{ if eq site.Params.Search "baidu" -}}
 <div class="search">
   <script>
     function check_search() {
-      var s = document.getElementById('keyword').value;
+      var s = document.getElementById('_display_keyword').value;
       s = s.replace(/(^\s*)|(\s*$)/g, '');
       if (s == '' || s == undefined || s == null) {
-        document.getElementById('keyword').focus();
+        document.getElementById('_display_keyword').focus();
         return false;
       }
-      document.getElementById('wd').value = s + " site:{{ site.BaseURL }}";
+      document.getElementById('{{ .key }}').value = s + " site:{{ site.BaseURL }}";
       return true;
     }
   </script>
-  <form class="search" action="https://www.baidu.com/s" target="_blank" onsubmit="return check_search()">
-    <input id="keyword" type="text" placeholder="Search.." name="keyword">
-    <input id="wd" type="hidden" name="wd">
+  <form class="search" action="{{ .url }}" target="_blank" onsubmit="return check_search()">
+    <input id="_display_keyword" type="text" placeholder="Search.." name="keyword">
+    <input id="{{ .key }}" type="hidden" name="{{ .key }}">
     <button type="submit"><svg focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" style="width:20px;height:20px;color:#333">
         <path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"></path>
       </svg></button>
   </form>
 </div>
-{{ else -}}
-{{ errorf "Unknown 'Site.Params.Search' value '%s'! Only 'baidu' is supported now." site.Params.Search }}
-{{ end -}}
-{{ end -}}
-- 
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