package docs

import (
	"html/template"
	"strings"
)

func renderPage(h *Handler, p *Page) string {
	tpl, err := template.New("doc").Parse(h.tpl)
	if err != nil {
		return "<!doctype html><meta charset=utf-8><title>error</title>template error: " + template.HTMLEscapeString(err.Error())
	}

	var sb strings.Builder
	data := map[string]any{
		"Manifest": h.manifest,
		"Page":     p,
		"TOC":      p.TOC,
		"Content":  template.HTML(p.HTML), //nolint:gosec —— 内容为内置受信 Markdown
	}
	if err := tpl.Execute(&sb, data); err != nil {
		return "<!doctype html><meta charset=utf-8><title>error</title>render error: " + template.HTMLEscapeString(err.Error())
	}
	return sb.String()
}