// Package server wires the HTTP surface: health, dashboard, and (coming)
// the printer/job APIs. See Redmine #855 for the component design.
package server

import (
	"fmt"
	"html/template"
	"net/http"
)

type Config struct {
	Addr   string
	DBPath string
}

type Server struct {
	cfg Config
	mux *http.ServeMux
}

func New(cfg Config) *Server {
	s := &Server{cfg: cfg, mux: http.NewServeMux()}
	s.mux.HandleFunc("/healthz", s.health)
	s.mux.HandleFunc("/", s.index)
	return s
}

func (s *Server) Run() error {
	return http.ListenAndServe(s.cfg.Addr, s.mux)
}

func (s *Server) health(w http.ResponseWriter, _ *http.Request) {
	w.WriteHeader(http.StatusOK)
	fmt.Fprintln(w, "ok")
}

// index is the farm dashboard placeholder. The real board (printer cards,
// job queue, batch view) lands with the printer adapters.
func (s *Server) index(w http.ResponseWriter, _ *http.Request) {
	t, err := template.ParseFiles("web/templates/index.html")
	if err != nil {
		http.Error(w, "template: "+err.Error(), http.StatusInternalServerError)
		return
	}
	_ = t.Execute(w, map[string]string{"Toolset": "farmd 0.1.0-dev"})
}