package main

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

// KindergartenHeadingBlock renders a heading with the Kindergarten crayon-underline
// accent and an optional numeral step badge.
//
// Content expects: {"text": "...", "level": 1-6, "textClass": "...", "step": 1-9}
func KindergartenHeadingBlock(ctx context.Context, content map[string]any) string {
	text := getString(content, "text")
	textClass := getString(content, "textClass")
	level := parseHeadingLevel(content)
	step := parseStep(content)

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

// parseHeadingLevel parses the level from content, defaulting to 2.
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
}

// parseStep parses an optional step badge (1-9). Returns 0 if not provided
// or out of range; renderer skips the badge when step == 0.
func parseStep(content map[string]any) int {
	if v, ok := content["step"].(float64); ok {
		s := int(v)
		if s >= 1 && s <= 9 {
			return s
		}
	}
	if v, ok := content["step"].(int); ok {
		if v >= 1 && v <= 9 {
			return v
		}
	}
	if v, ok := content["step"].(string); ok {
		if s, err := strconv.Atoi(v); err == nil && s >= 1 && s <= 9 {
			return s
		}
	}
	return 0
}