package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"
)

// VersionResponse is the response body for the version endpoint.
type VersionResponse struct {
	Version string `json:"version"`
}

// VersionHandler serves application version metadata.
type VersionHandler struct {
	version string
}

// NewVersionHandler creates a version handler.
func NewVersionHandler(appVersion string) *VersionHandler {
	return &VersionHandler{version: appVersion}
}

// Get writes the current application version.
func (h *VersionHandler) Get(c *gin.Context) {
	c.JSON(http.StatusOK, VersionResponse{Version: h.version})
}