package main

import (
	"bytes"
	"context"

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

// BootLogBlockMeta defines metadata for the boot log hero block.
var BootLogBlockMeta = blocks.BlockMeta{
	Key:         "boot_log",
	Title:       "Boot Log Hero",
	Description: "Sequential dmesg-style boot lines revealed one after another",
	Source:      "terminal",
	Category:    blocks.CategoryContent,
}

// BootLogData is the parsed content for the boot_log block.
type BootLogData struct {
	Lines  []string
	Cursor string
}

// BootLogBlock renders a sequential boot-log style hero.
// Content shape: {lines: []string, cursor: "block"|"underscore"|"pipe"|"none"}.
func BootLogBlock(ctx context.Context, content map[string]any) string {
	data := BootLogData{
		Lines:  getStringSlice(content, "lines"),
		Cursor: getStringDefault(content, "cursor", "block"),
	}
	if len(data.Lines) == 0 {
		return ""
	}

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

// cursorGlyph maps the cursor selector to its rendered character.
func cursorGlyph(name string) string {
	switch name {
	case "underscore":
		return "_"
	case "pipe":
		return "|"
	case "none":
		return ""
	case "block":
		fallthrough
	default:
		return "█" // full block
	}
}