package main

import (
	"flag"
	"fmt"
	"log"
	"net/http"
	"os"

	"git.icyphox.sh/legit/config"
	"git.icyphox.sh/legit/routes"
)

var (
	version   = "dev"
	buildDate = "unknown"
)

func init() {
	flag.Usage = func() {
		_, _ = fmt.Fprintf(flag.CommandLine.Output(), "legit %s (built %s)\n\nUsage:\n", version, buildDate)
		_, _ = fmt.Fprintf(flag.CommandLine.Output(), "  legit [flags]\n\nFlags:\n")
		flag.PrintDefaults()
	}
}

func main() {
	var cfg string
	var showVersion bool
	flag.StringVar(&cfg, "config", "./config.yaml", "path to config file")
	flag.BoolVar(&showVersion, "version", false, "print version and exit")
	flag.Parse()

	if showVersion {
		fmt.Printf("legit %s (built %s)\n", version, buildDate)
		os.Exit(0)
	}

	c, err := config.Read(cfg)
	if err != nil {
		log.Fatal(err)
	}

	if err := UnveilPaths([]string{
		c.Dirs.Static,
		c.Repo.ScanPath,
		c.Dirs.Templates,
	},
		"r"); err != nil {
		log.Fatalf("unveil: %s", err)
	}

	mux := routes.Handlers(c)
	addr := fmt.Sprintf("%s:%d", c.Server.Host, c.Server.Port)
	log.Println("starting server on", addr)
	log.Fatal(http.ListenAndServe(addr, mux))
}