package main

import (
	"bytes"
	"context"

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

// MastheadBlockMeta is the issue-masthead (wordmark + folio bar) at the top of the page.
var MastheadBlockMeta = blocks.BlockMeta{
	Key:         "masthead",
	Title:       "Issue Masthead",
	Description: "Wordmark, issue number and tagline strip — sits at the top of every page.",
	Source:      "magazine-bold",
	Category:    blocks.CategoryLayout,
}

// MastheadData is what the templ component consumes.
type MastheadData struct {
	IssueNo string
	Tagline string
	Date    string
}

// MastheadBlock renders the issue masthead.
// content keys: issueNo, tagline, date — all optional, no panic on empty.
func MastheadBlock(ctx context.Context, content map[string]any) string {
	data := MastheadData{
		IssueNo: getString(content, "issueNo"),
		Tagline: getString(content, "tagline"),
		Date:    getString(content, "date"),
	}
	var buf bytes.Buffer
	_ = mastheadComponent(data).Render(ctx, &buf)
	return buf.String()
}