package main

import (
	"bytes"
	"context"

	"git.dev.alexdunmow.com/block/core/blocks"
)

// FooterBlockMeta defines metadata for the instrument footer block.
var FooterBlockMeta = blocks.BlockMeta{
	Key:         "footer",
	Title:       "Instrument Footer",
	Description: "Hairline-rule footer with callsign, optional signup, and link list.",
	Source:      "scifi-clean",
	Category:    blocks.CategoryLayout,
}

// FooterLink is one footer link entry.
type FooterLink struct {
	Text string
	URL  string
}

// FooterData drives the templ render.
type FooterData struct {
	ShowSignup bool
	Callsign   string
	Links      []FooterLink
}

// FooterBlock renders the footer.
// Content shape: {"showSignup": false, "callsign": "SCF-CLN", "links": [{"text": "...", "url": "..."}]}
func FooterBlock(ctx context.Context, content map[string]any) string {
	data := FooterData{
		ShowSignup: getBool(content, "showSignup", false),
		Callsign:   getStringDefault(content, "callsign", "SCF-CLN"),
	}

	for _, raw := range getSlice(content, "links") {
		data.Links = append(data.Links, FooterLink{
			Text: getString(raw, "text"),
			URL:  getString(raw, "url"),
		})
	}

	var buf bytes.Buffer
	_ = footerComponent(data).Render(ctx, &buf)
	return buf.String()
}

// safeHref returns # for blank URLs so the templ.SafeURL helper has something to chew on.
func safeHref(u string) string {
	if u == "" {
		return "#"
	}
	return u
}