package main

import (
	"flag"
	"net"
	"net/http"

	"go.lindenii.runxiyu.org/lindenii-common/clog"
)

func main() {
	config_path := flag.String(
		"config",
		"/etc/lindenii/forge.scfg",
		"path to configuration file",
	)
	flag.Parse()

	err := load_config(*config_path)
	if err != nil {
		clog.Fatal(1, "Loading configuration: "+err.Error())
	}

	err = load_templates()
	if err != nil {
		clog.Fatal(1, "Loading templates: "+err.Error())
	}

	err = serve_static()
	if err != nil {
		clog.Fatal(1, "Serving static: "+err.Error())
	}

	serve_source()

	http.HandleFunc("/{$}", handle_index)
	http.HandleFunc("/{category_name}/repos/{$}", handle_category_repos)
	http.HandleFunc("/{category_name}/repos/{repo_name}/{$}", handle_repo_index)
	http.HandleFunc("/{category_name}/repos/{repo_name}/tree/{ref}/{rest...}", handle_repo_tree)

	listener, err := net.Listen(config.HTTP.Net, config.HTTP.Addr)
	if err != nil {
		clog.Fatal(1, "Listening: "+err.Error())
	}

	err = http.Serve(listener, nil)
	if err != nil {
		clog.Fatal(1, "Serving: "+err.Error())
	}
}

package main

import (
	"embed"
	"html/template"
	"io/fs"
	"net/http"
)

//go:embed .gitignore LICENSE README.md
//go:embed *.go go.mod go.sum
//go:embed *.scfg
//go:embed static/* templates/*
var source_fs embed.FS

func serve_source() {
	http.Handle("/source/",
		http.StripPrefix(
			"/source/",
			http.FileServer(http.FS(source_fs)),
		),
	)
}

//go:embed templates/* static/*
var resources_fs embed.FS

var templates *template.Template

func load_templates() (err error) {
	templates, err = template.New("templates").Funcs(template.FuncMap{
		"first_line": first_line,
		"base_name":  base_name,
	}).ParseFS(resources_fs, "templates/*")
	return err
}

func serve_static() (err error) {
	static_fs, err := fs.Sub(resources_fs, "static")
	if err != nil {
		return err
	}

	http.Handle("/static/{name}",

	http.Handle("/static/",

		http.StripPrefix(
			"/static/",
			http.FileServer(http.FS(static_fs)),
		),
	)
	return nil
}