package main

import (
	"log"
	"net/http"
	"os"
)

func main() {
	databaseURL := os.Getenv("DATABASE_URL")
	if databaseURL == "" {
		databaseURL = "sqlite://./skeps.db"
	}

	rawDB, db, err := openDB(databaseURL)
	if err != nil {
		log.Fatalf("database: %v", err)
	}
	defer rawDB.Close()

	a := &api{db: db, hub: newHub()}

	mux := http.NewServeMux()
	mux.HandleFunc("POST /api/lists", a.createList)
	mux.HandleFunc("GET /api/lists/{listId}", a.getList)
	mux.HandleFunc("GET /api/lists/{listId}/ws", a.listSocket)
	mux.HandleFunc("GET /api/lists/{listId}/sublists", a.listSublists)
	mux.HandleFunc("POST /api/lists/{listId}/sublists", a.createSublist)
	mux.HandleFunc("GET /api/lists/{listId}/items", a.listItems)
	mux.HandleFunc("POST /api/lists/{listId}/items", a.createItem)
	mux.HandleFunc("PATCH /api/lists/{listId}/items/{id}", a.updateItem)
	mux.HandleFunc("DELETE /api/lists/{listId}/items/{id}", a.deleteItem)
	mux.HandleFunc("GET /healthz", func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusOK)
	})

	if staticDir := os.Getenv("STATIC_DIR"); staticDir != "" {
		mux.Handle("/", spaHandler(staticDir))
	}

	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	log.Printf("skeps backend listening on :%s", port)
	if err := http.ListenAndServe(":"+port, mux); err != nil {
		log.Fatal(err)
	}
}