package components

import (
	"strings"

	"github.com/charmbracelet/lipgloss"
)

// BreadcrumbItem represents a single item in the breadcrumb trail
type BreadcrumbItem struct {
	Label string
	ID    string // Optional identifier for the screen
}

// BreadcrumbStyle defines the appearance of breadcrumbs
var (
	breadcrumbStyle = lipgloss.NewStyle().
			Foreground(lipgloss.Color("241")).
			MarginBottom(1)
	breadcrumbSeparatorStyle = lipgloss.NewStyle().
					Foreground(lipgloss.Color("240"))
	breadcrumbItemStyle = lipgloss.NewStyle().
				Foreground(lipgloss.Color("241"))
	breadcrumbCurrentStyle = lipgloss.NewStyle().
				Foreground(lipgloss.Color("62")).
				Bold(true)
)

// RenderBreadcrumb renders a breadcrumb trail from a slice of items
func RenderBreadcrumb(items []BreadcrumbItem) string {
	if len(items) == 0 {
		return ""
	}

	var parts []string
	for i, item := range items {
		var text string
		if i == len(items)-1 {
			// Last item - current page
			text = breadcrumbCurrentStyle.Render(item.Label)
		} else {
			// Non-last items - clickable/previous pages
			text = breadcrumbItemStyle.Render(item.Label)
		}
		parts = append(parts, text)

		// Add separator if not last item
		if i < len(items)-1 {
			parts = append(parts, breadcrumbSeparatorStyle.Render(" > "))
		}
	}

	return breadcrumbStyle.Render(strings.Join(parts, ""))
}