package main

import (
	"log"
	"net/http"
	"os"
	"os/signal"
	"syscall"

	"git.xenrox.net/~xenrox/10man-api/database"
	"git.xenrox.net/~xenrox/10man-api/graph"
	"git.xenrox.net/~xenrox/10man-api/graph/generated"
	"github.com/99designs/gqlgen/graphql/handler"
)

const defaultPort = "8080"

func main() {
	port := os.Getenv("PORT")
	if port == "" {
		port = defaultPort
	}

	sigs := make(chan os.Signal, 1)
	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)

	err := database.Open()
	if err != nil {
		log.Fatal(err)
	}

	srv := handler.NewDefaultServer(generated.NewExecutableSchema(generated.Config{Resolvers: &graph.Resolver{}}))

	http.Handle("/query", srv)

	go func() {
		log.Fatal(http.ListenAndServe(":"+port, nil))
	}()

	shutdown(<-sigs)
}

func shutdown(sig os.Signal) {
	database.Close()
	log.Println("API was shut down")
}