package main

import (
	"flag"
	"log"
)

func main() {
	if err := run(); err != nil {
		log.Fatal(err)
	}
}

func run() error {
	var format string
	flag.StringVar(&format, "format", "gemini", "output format to use. Supported formats include gemini and html")
	flag.Parse()

	// Load config
	cfg := NewConfig()
	if err := cfg.Load("config.ini"); err != nil {
		return err
	}
	if err := cfg.LoadTemplates("layouts"); err != nil {
		return err
	}

	var output Format
	switch format {
	case "gemini":
		output = FormatFunc(FormatGemini)
	case "html":
		output = FormatFunc(FormatHTML)
	default:
		log.Fatalf("unknown output format %q", format)
	}

	// Load content
	dir := NewDir("")
	if err := dir.read("content", ""); err != nil {
		return err
	}
	dir.sort()
	// Manipulate content
	if err := dir.manipulate(cfg); err != nil {
		return err
	}
	// Write content
	if err := dir.write("public", output, cfg); err != nil {
		return err
	}
	return nil
}