package status

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"dev.sum7.eu/genofire/golang-lib/web"
)

var (
	// VERSION string on status API
	VERSION string = ""
	// UP function to detect, if API is healthy
	UP func() bool = func() bool {
		return true
	}
	// EXTRAS show more informations in status
	EXTRAS interface{} = nil
)

// Status API response
type Status struct {
	Version string      `json:"version"`
	Up      bool        `json:"up"`
	Extras  interface{} `json:"extras,omitempty"`
}

// Register status module
// @Summary Show Status of current API
// @Description Show version and status
// @Tags status
// @Produce  json
// @Success 200 {object} Status
// @Failure 400 {object} web.HTTPError
// @Failure 404 {object} web.HTTPError
// @Router /api/status [get]
func Register(r *gin.Engine, ws *web.Service) {
	r.GET("/api/status", func(c *gin.Context) {
		status := &Status{
			Version: VERSION,
			Up:      UP(),
			Extras:  EXTRAS,
		}
		if !status.Up {
			c.JSON(http.StatusInternalServerError, status)
			return
		}
		c.JSON(http.StatusOK, status)
	})
}