package views

import (
	"strconv"

	"hearthforge/internal/db"
	"hearthforge/internal/util"

	g "maragu.dev/gomponents"
	. "maragu.dev/gomponents/html"
)

// LabelBadges shows the labels of an issue or patch, with add and remove
// forms when the viewer may manage them.
func LabelBadges(labels, repoLabels []db.Label, canManage bool, baseURL string) g.Node {
	if len(labels) == 0 && !canManage {
		return nil
	}
	var available []db.Label
	for _, l := range repoLabels {
		attached := false
		for _, al := range labels {
			if al.ID == l.ID {
				attached = true
				break
			}
		}
		if !attached {
			available = append(available, l)
		}
	}
	return Div(Class("issue-labels-row"),
		g.Map(labels, func(label db.Label) g.Node {
			return Span(Class("label-badge-wrap"),
				Span(Class("label-badge"),
					Style("background:"+label.Color+";color:"+util.LabelTextColor(label.Color)),
					g.Text(label.Name)),
				g.If(canManage, Form(Method("POST"), Action(baseURL+"/labels/remove"),
					Class("label-remove-form"),
					Input(Type("hidden"), Name("label_id"), Value(strconv.FormatInt(label.ID, 10))),
					Button(Type("submit"), Class("label-remove-btn"), Title("Remove label"), g.Text("×")),
				)),
			)
		}),
		g.If(canManage && len(available) > 0,
			Form(Method("POST"), Action(baseURL+"/labels/add"), Class("label-add-inline-form"),
				Select(Name("label_id"), Class("label-select"),
					g.Map(available, func(label db.Label) g.Node {
						return Option(Value(strconv.FormatInt(label.ID, 10)), g.Text(label.Name))
					}),
				),
				Button(Type("submit"), Class("btn btn-sm btn-secondary"), g.Text("Add label")),
			)),
	)
}