package main

import (
	"bytes"
	"context"

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

// DividerFanBlockMeta defines the fan divider block.
var DividerFanBlockMeta = blocks.BlockMeta{
	Key:         "divider_fan",
	Title:       "Fan Divider",
	Description: "Pure-CSS gold geometric divider — sunburst, scallop or ziggurat.",
	Source:      "art-deco",
}

// DividerFanData carries the variant for the divider component.
type DividerFanData struct {
	Variant string
}

// normaliseVariant clamps to the supported set; unknown values fall back to sunburst.
func normaliseVariant(v string) string {
	switch v {
	case "scallop", "ziggurat":
		return v
	default:
		return "sunburst"
	}
}

// DividerFanBlock renders a CSS-only geometric divider.
// Content: {"variant": "sunburst" | "scallop" | "ziggurat"}
func DividerFanBlock(ctx context.Context, content map[string]any) string {
	data := DividerFanData{
		Variant: normaliseVariant(getString(content, "variant")),
	}

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