From 98bf4d41dd8fcc06626204161fa82e72b94f221f Mon Sep 17 00:00:00 2001
From: Suleyman Yilmaz <hi@sy.md>
Date: Mon, 20 Jun 2022 19:40:17 +0300
Subject: [PATCH] :rocket: init

---
 README.md          | 33 +++++++++++++++++++++++
 go.mod             |  3 +++
 translator.go      | 66 ++++++++++++++++++++++++++++++++++++++++++++++
 translator_test.go | 20 ++++++++++++++
 4 files changed, 122 insertions(+)
 create mode 100644 README.md
 create mode 100644 go.mod
 create mode 100644 translator.go
 create mode 100644 translator_test.go

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..52c26ba
--- /dev/null
+++ b/README.md
@@ -0,0 +1,33 @@
+# Install
+
+```
+go get github.com/turk/free-google-translate
+```
+
+# Example usage
+
+``` go
+package main
+
+import (
+	"fmt"
+	"github.com/turk/free-google-translate"
+	"net/http"
+)
+
+func main() {
+	client := http.Client{}
+	t := translator.NewTranslator(&client)
+	result, _ := t.Translate("Hello!", "en", "ro")
+	fmt.Println(result)
+	// Output: "Salut!"
+}
+```
+
+## Sponsors
+
+<p align="center">
+  <a target="_blank" href="https://homiedevs.com/">
+    <img alt="sponsors" src="https://homiedevs.com/assets/img/logo.png">
+  </a>
+</p>
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..b26c765
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/turk/free-google-translate
+
+go 1.18
\ No newline at end of file
diff --git a/translator.go b/translator.go
new file mode 100644
index 0000000..21f0602
--- /dev/null
+++ b/translator.go
@@ -0,0 +1,66 @@
+package translator
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+type Translator struct {
+	client *http.Client
+}
+
+func NewTranslator(client *http.Client) Translator {
+	return Translator{client: client}
+}
+
+func (t Translator) Translate(text, sourceLang, targetLang string) (string, error) {
+	var result []interface{}
+	var translated []string
+
+	urlStr := fmt.Sprintf(
+		"https://translate.googleapis.com/translate_a/single?client=gtx&sl=%s&tl=%s&dt=t&q=%s",
+		sourceLang,
+		targetLang,
+		url.QueryEscape(text),
+	)
+
+	req, err := http.NewRequest(http.MethodGet, urlStr, nil)
+	res, err := t.client.Do(req)
+
+	if err != nil {
+		return "err", errors.New("error getting translate.googleapis.com")
+	}
+	defer res.Body.Close()
+
+	body, err := ioutil.ReadAll(res.Body)
+
+	if err != nil {
+		return "err", errors.New("error reading response body")
+	}
+
+	if res.StatusCode != 200 {
+		return "err", errors.New("translation failed")
+	}
+
+	err = json.Unmarshal(body, &result)
+	if err != nil {
+		return "err", errors.New("error unmarshaling body")
+	}
+
+	if len(result) > 0 {
+		data := result[0]
+		for _, slice := range data.([]interface{}) {
+			for _, translatedText := range slice.([]interface{}) {
+				translated = append(translated, fmt.Sprintf("%v", translatedText))
+				break
+			}
+		}
+		return strings.Join(translated, ""), nil
+	}
+	return "err", errors.New("translation not found")
+}
diff --git a/translator_test.go b/translator_test.go
new file mode 100644
index 0000000..0bc223a
--- /dev/null
+++ b/translator_test.go
@@ -0,0 +1,20 @@
+package translator
+
+import (
+	"net/http"
+	"testing"
+)
+
+func TestTranslate(t *testing.T) {
+	client := http.Client{}
+	translator := NewTranslator(&client)
+	text := "Hello"
+	mdText := "Buna ziua"
+
+	translated, _ := translator.Translate(text, "en", "ro")
+	if translated != mdText {
+		t.Logf("expected: %s", mdText)
+		t.Logf("given: %s", translated)
+		t.Fail()
+	}
+}