package routes

import (
	"os"
	"reflect"
	"runtime"
	"strings"

	"github.com/olekukonko/tablewriter"
	"zestack.dev/slim"
)

func printRoutes(router slim.Router) {
	table := tablewriter.NewWriter(os.Stdout)
	table.SetHeader([]string{"Method", "Pattern", "Name", "Handler"})
	table.SetHeaderAlignment(3)

	for _, route := range router.Routes() {
		table.Append([]string{
			strings.Join(route.Methods(), ","),
			route.Pattern(),
			route.Name(),
			nameOfFunction(route.Handler()),
		})
	}

	table.Render()
}

func nameOfFunction(f any) string {
	return runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()
}