From 44c27869a5975bb7f2e6ebd000f9000a995629d5 Mon Sep 17 00:00:00 2001
From: Federico Fapitalle <federico.fapitalle@pedidosya.com>
Date: Mon, 28 Oct 2024 20:11:27 -0300
Subject: [PATCH] feat: adds annotation creation capability

---
 annotations.go | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 annotations.go

diff --git a/annotations.go b/annotations.go
new file mode 100644
index 00000000..641a6a23
--- /dev/null
+++ b/annotations.go
@@ -0,0 +1,48 @@
+package grabana
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"time"
+)
+
+type AnnotationResponse struct {
+	ID      uint   `json:"id"`
+	Message string `json:"message"`
+}
+
+func (client *Client) AddAnnotation(ctx context.Context, text string, tags []string) (*AnnotationResponse, error) {
+	buf, err := json.Marshal(struct {
+		Time    int64    `json:"title"`
+		Updated int64    `json:"updated"`
+		Text    string   `json:"text"`
+		Tags    []string `json:"tags"`
+	}{
+		Time:    time.Now().UnixMilli(),
+		Updated: time.Now().UnixMilli(),
+		Text:    text,
+		Tags:    tags,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := client.sendJSON(ctx, http.MethodPost, "/api/annotations", buf)
+	if err != nil {
+		return nil, err
+	}
+
+	defer func() { _ = resp.Body.Close() }()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, client.httpError(resp)
+	}
+
+	var respann AnnotationResponse
+	if err := decodeJSON(resp.Body, &respann); err != nil {
+		return nil, err
+	}
+
+	return &respann, nil
+}