package handlers

import (
	"encoding/json"
	"log"
	"net/http"
	"thamanyah/discovery/internal/api"
)

// Health is the liveness probe the ALB target group polls.
//
//	@Summary		Health check
//	@Description	Reports that the service is up and serving. Used as the ALB target group health check; it does not verify the database connection.
//	@Tags			system
//	@Produce		json
//	@Success		200	{object}	api.HealthResponse
//	@Router			/health [get]
func Health(w http.ResponseWriter, r *http.Request) {
	writeJSON(w, http.StatusOK, api.HealthResponse{Status: "ok"})
}

func writeJSON(w http.ResponseWriter, status int, body any) {
	writeJSONContent(w, "application/json", status, body)
}

func writeProblem(w http.ResponseWriter, status int, title, detail string) {
	writeJSONContent(w, "application/problem+json", status, api.ProblemDetails{
		Type:   "about:blank",
		Title:  title,
		Status: status,
		Detail: detail,
	})
}

func writeJSONContent(w http.ResponseWriter, contentType string, status int, body any) {
	w.Header().Set("Content-Type", contentType)
	w.WriteHeader(status)
	if err := json.NewEncoder(w).Encode(body); err != nil {
		log.Printf("Something Went Wrong Writing The Response: %s", err)
	}
}