feat: initial implementation of EnvGuard with improved TUI layout

internal/api/client.go

@@ -0,0 +1,67 @@
+package api
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+
+	"envguard/internal/models"
+)
+
+const baseURL = "http://localhost:8080"
+
+var client = &http.Client{Timeout: 5 * time.Second}
+
+func GetServices() ([]models.Service, error) {
+	resp, err := client.Get(baseURL + "/services")
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	var services []models.Service
+	if err := json.NewDecoder(resp.Body).Decode(&services); err != nil {
+		return nil, err
+	}
+	return services, nil
+}
+
+func LockService(serviceName, user string) error {
+	reqBody := models.LockRequest{
+		ServiceName: serviceName,
+		User:        user,
+	}
+	data, _ := json.Marshal(reqBody)
+
+	resp, err := client.Post(baseURL+"/lock", "application/json", bytes.NewBuffer(data))
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("failed to lock: status %d", resp.StatusCode)
+	}
+	return nil
+}
+
+func UnlockService(serviceName, user string) error {
+	reqBody := models.UnlockRequest{
+		ServiceName: serviceName,
+		User:        user,
+	}
+	data, _ := json.Marshal(reqBody)
+
+	resp, err := client.Post(baseURL+"/unlock", "application/json", bytes.NewBuffer(data))
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("failed to unlock: status %d", resp.StatusCode)
+	}
+	return nil
+}