package formatter

import (
	"fmt"
	"io"
	"strings"

	"royalroadupdates/internal/royalroad"
)

// PrintTable writes a plain-text aligned table of stories to w.
func PrintTable(w io.Writer, stories []royalroad.Story) {
	if len(stories) == 0 {
		return
	}

	nameHeader := "Story Name"
	updateHeader := "Last Update"

	maxNameLen := len(nameHeader)
	for _, s := range stories {
		if l := len(s.Name); l > maxNameLen {
			maxNameLen = l
		}
	}

	fmt.Fprintf(w, "%-*s  %s\n", maxNameLen, nameHeader, updateHeader)
	fmt.Fprintf(w, "%s  %s\n", strings.Repeat("-", maxNameLen), strings.Repeat("-", len(updateHeader)))

	for _, s := range stories {
		fmt.Fprintf(w, "%-*s  %s\n", maxNameLen, s.Name, Relative(s.DateModified))
	}
}