package main

import (
	"flag"
	"log"
	"net/http"
	"os"
	"text/template"
)

type application struct {
    errorLog *log.Logger
    infoLog *log.Logger
    templateCache map[string]*template.Template
}

func main() {
    addr := flag.String("addr", ":8000", "HTTP network address")
    
    flag.Parse()

    infoLog := log.New(os.Stdout, "INFO\t", log.Ldate|log.Ltime)
    errorLog := log.New(os.Stderr, "ERROR\t", log.Ldate|log.Ltime|log.Lshortfile)

    templateCache, err := newTemplateCache()
    if err != nil {
        errorLog.Fatal(err)
    }

    app := &application {
        errorLog: errorLog,
        infoLog: infoLog,
        templateCache: templateCache,
    }

    srv := &http.Server {
        Addr: *addr,
        ErrorLog: errorLog,
        Handler: app.routes(),
    }

    infoLog.Printf("Starting server on %s", *addr)
    err = srv.ListenAndServe()
    errorLog.Fatal(err)
}