refactor: restructure EmailRequest and related types for improved clarity and maintainability

client/types.go

@@ -2,6 +2,34 @@ package client
 
 import "time"
 
+type Body struct {
+	Html Data `json:"Html,omitempty"`
+	Text Data `json:"Text,omitempty"`
+}
+
+type Data struct {
+	Data string `json:"Data"`
+}
+
+type Addresses []string
+
+type Message struct {
+	Body    Body `json:"Body"`
+	Subject Data `json:"Subject"`
+}
+
+type EmailRequest struct {
+	Source      string `json:"Source"`
+	Destination struct {
+		ToAddresses  Addresses `json:"ToAddresses"`
+		CcAddresses  Addresses `json:"CcAddresses"`
+		BccAddresses Addresses `json:"BccAddresses"`
+	} `json:"Destination"`
+	Message       Message   `json:"Message"`
+	ScheduledTime time.Time `json:"ScheduledTime,omitempty"`
+	Catch         bool      `json:"Catch,omitempty"`
+}
+
 type Email struct {
 	Uuid      string    `json:"uuid"`
 	IsSent    uint8     `json:"is_sent"`