package main

import (
	"bytes"
	"context"
	"strconv"

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

// NoirHeadingBlock overrides the built-in heading.
// Renders with the display-serif family, no underline, generous tracking.
func NoirHeadingBlock(ctx context.Context, content map[string]any) string {
	text := getString(content, "text")
	textClass := getString(content, "textClass")
	level := parseHeadingLevel(content)

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

// parseHeadingLevel parses the heading level from content (1-6, default 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
}

// NoirTextBlock overrides the built-in text block.
// Renders with the humanist sans family and generous leading.
func NoirTextBlock(ctx context.Context, content map[string]any) string {
	text := getString(content, "text")
	class := getString(content, "class")

	var buf bytes.Buffer
	_ = noirTextComponent(text, class).Render(ctx, &buf)
	return buf.String()
}

// NoirImageBlock overrides the built-in image block.
// Always full-bleed inside its container with a mono caption beneath.
func NoirImageBlock(ctx context.Context, content map[string]any) string {
	src := blocks.ResolveMediaPath(getString(content, "src"))
	alt := getString(content, "alt")
	caption := getString(content, "caption")
	if caption == "" {
		caption = getString(content, "title")
	}

	var buf bytes.Buffer
	_ = noirImageComponent(src, alt, caption).Render(ctx, &buf)
	return buf.String()
}

// NoirButtonBlock overrides the built-in button.
// Renders as a hairline 1px outline, no fill, hover inverts.
func NoirButtonBlock(ctx context.Context, content map[string]any) string {
	text := getString(content, "text")
	if text == "" {
		text = getString(content, "label")
	}
	href := getString(content, "url")
	if href == "" {
		href = getString(content, "href")
	}

	var buf bytes.Buffer
	_ = noirButtonComponent(text, href).Render(ctx, &buf)
	return buf.String()
}

// NoirCardBlock overrides the built-in card.
// Transparent background, hairline border only.
func NoirCardBlock(ctx context.Context, content map[string]any) string {
	title := getString(content, "title")
	body := getString(content, "body")
	if body == "" {
		body = getString(content, "text")
	}

	var buf bytes.Buffer
	_ = noirCardComponent(title, body).Render(ctx, &buf)
	return buf.String()
}