package main

import (
	"bytes"
	"context"
	"strconv"
)

// EditorialHeadingBlock overrides the built-in `heading` block for the
// editorial template. The override only applies when the active page template
// is `editorial`; on other templates the built-in heading runs untouched.
//
// Content shape mirrors the built-in heading: { "text", "level", "kicker",
// "textClass" }. The optional "kicker" is editorial-specific (a small-caps
// label above the H1).
func EditorialHeadingBlock(ctx context.Context, content map[string]any) string {
	text := getString(content, "text")
	textClass := getString(content, "textClass")
	kicker := getString(content, "kicker")
	level := parseHeadingLevel(content)

	var buf bytes.Buffer
	_ = editorialHeadingComponent(level, text, textClass, kicker).Render(ctx, &buf)
	return buf.String()
}

// parseHeadingLevel parses content.level into 1-6, defaulting to 2. Accepts
// number, integer-from-JSON (float64), and string forms.
func parseHeadingLevel(content map[string]any) int {
	if level, ok := content["level"].(float64); ok {
		l := int(level)
		if l >= 1 && l <= 6 {
			return l
		}
	}
	if level, ok := content["level"].(int); ok {
		if level >= 1 && level <= 6 {
			return level
		}
	}
	if level, ok := content["level"].(string); ok {
		if l, err := strconv.Atoi(level); err == nil && l >= 1 && l <= 6 {
			return l
		}
	}
	return 2
}