package cli

import (
	"fmt"
	"flag"
	"os"

	"git.rdelaage.ovh/rdelaage/cyanocorax/version"
	"git.rdelaage.ovh/rdelaage/cyanocorax/manage"
	"git.rdelaage.ovh/rdelaage/cyanocorax/render/gemini"
)

const (
	flagInfoHelp    = "Show application information"
	flagVersionHelp = "Show application version"
	flagSiteHelp    = "Set site file path"
)

func Parse() {
	var (
		flagInfo    bool
		flagVersion bool
		flagSite    string
	)

	flag.BoolVar(&flagInfo, "info", false, flagInfoHelp)
	flag.BoolVar(&flagInfo, "i", false, flagInfoHelp)
	flag.BoolVar(&flagVersion, "version", false, flagVersionHelp)
	flag.BoolVar(&flagVersion, "v", false, flagVersionHelp)
	flag.StringVar(&flagSite, "site", "", flagSiteHelp)
	flag.StringVar(&flagSite, "s", "", flagSiteHelp)
	
	flag.Parse()

	if flagInfo {
		info()
		return
	}

	if flagVersion {
		fmt.Println(version.Version)
		return
	}

	if flagSite == "" {
		fmt.Println("Flag site must be set")
		os.Exit(1)
	}

	site, err := manage.SiteFromFile(flagSite)
	if err != nil {
		fmt.Println("Failed to parse site file", err)
		os.Exit(1)
	}

	err = gemini.Render(site)
	if err != nil {
		fmt.Println("Failed to render this site", err)
		os.Exit(1)
	}
}