package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
	"time"

	"github.com/jmoiron/sqlx"
	_ "github.com/mattn/go-sqlite3"
)

// This is a function that takes a long time to run
// Useful for demonstrating concurrency (goroutines)
func delayPrint() {
	time.Sleep(5 * time.Second)
	fmt.Printf("delay print\n")
}

// This is what a handler looks like
func getRoot(w http.ResponseWriter, r *http.Request) {
	fmt.Printf("got / request\n")
	go delayPrint()
	io.WriteString(w, "This is my website!\n")
}

func main() {
	println("Starting server...")
	// Check for the environment variable
	dbpath := os.Getenv("SQLITE_DB_PATH")

	// Default to something reasonable
	if dbpath == "" {
		dbpath = "./db.sqlite3"
	}

	// Open the database
	// db, err := sqlx.Connect("sqlite3", ":memory:")
	db, err := sqlx.Connect("sqlite3", dbpath)
	if err != nil {
		panic(err)
	}
	defer db.Close()

	err = db.Ping()
	if err != nil {
		panic(err)
	}

	// Slide into the database dms with some slick SQL
	db.MustExec("CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, email TEXT)")

	// Mounting the handler
	// http.HandleFunc("/", getRoot)

	fs := http.FileServer(http.Dir("static"))
	http.Handle("/", fs)

	// Start the server on port 8080
	err = http.ListenAndServe(":8080", nil)
	if err != nil {
		panic(err)
	}
}