import Foundation
import HTML

enum Section: String {
  case home
  case articles
  case about
  case notFound
}

func baseLayout(
  canocicalURL: String,
  section: Section,
  title pageTitle: String,
  rssLink: String = "",
  extraHeader: NodeConvertible = Node.fragment([]),
  @NodeBuilder children: () -> NodeConvertible
) -> Node {
  return [
    .documentType("html"),
    html(lang: "en-US") {
      generateHeader(pageTitle, extraHeader)
      body(class: "bg-page text-white pb-5 font-avenir \(section.rawValue)") {
        header(class: "bg-nav text-gray py-4 text-base/6 lg:fixed w-full lg:h-[62px]") {
          nav(class: "container flex gap-x-5 lg:gap-x-y items-center") {
            ul(class: "flex flex-wrap gap-x-2 lg:gap-x-5") {
              li {
                a(class: section == .home ? "active" : "", href: "/") { "Home" }
              }
              li {
                a(class: section == .articles ? "active" : "", href: "/articles/") { "Articles" }
              }
              li {
                a(class: section == .about ? "active" : "", href: "/about/") { "About" }
              }
            }
          }
        }

        div(class: "container pt-12 lg:pt-28") {
          children()
        }

        footer(rssLink)
      }
    }
  ]
}

private func footer(_ rssLink: String) -> Node {
  div(class: "site-footer container text-gray gray-links border-t border-light text-center pt-6 mt-8 text-sm") {
    p {
      "Copyright © Michael Housh 2023-\(Date().description.prefix(4))."
    }
    p {
      "Built in Swift using"
      a(href: "https://github.com/loopwerk/Saga", rel: "nofollow", target: "_blank") { "Saga" }
      "("
      %a(href: "https://github.com/m-housh/mhoush.com", rel: "nofollow", target: "_blank") { "source" }
      %")."
    }
    p {
      a(
        href: "\(SiteMetadata.url.absoluteString)/articles/\(rssLink)feed.xml",
        rel: "nofollow",
        target: "_blank"
      ) { "RSS" }
      " | "
      a(href: "https://github.com/m-housh", rel: "nofollow", target: "_blank") { "Github" }
      " | "
      a(
        href: "https://www.youtube.com/channel/UCb58SeURd5bObfTiL0KoliA",
        rel: "nofollow",
        target: "_blank"
      ) { "Youtube" }
      " | "
      a(href: "https://www.facebook.com/michael.housh", rel: "nofollow", target: "_blank") { "Facebook" }
      " | "
      a(href: "mailto:michael@mhoush.com", rel: "nofollow") { "Email" }
    }
    script(src: "https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-core.min.js")
    script(src: "https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/keep-markup/prism-keep-markup.min.js")
    script(src: "https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/autoloader/prism-autoloader.min.js")
  }
}

private func generateHeader(_ pageTitle: String, _ extraHeader: NodeConvertible) -> Node {
  head {
    meta(charset: "utf-8")
    meta(content: "#0e1112", name: "theme-color", customAttributes: ["media": "(prefers-color-scheme: dark)"])
    meta(content: "#566B78", name: "theme-color", customAttributes: ["media": "(prefers-color-scheme: light)"])
    meta(content: "Michael Housh", name: "author")
    meta(content: "Mhoush", name: "apple-mobile-web-app-title")
    meta(content: "initial-scale=1.0, width=device-width", name: "viewport")
    meta(content: "telephone=no", name: "format-detection")
    meta(content: "True", name: "HandheldFriendly")
    meta(content: "320", name: "MobileOptimized")
    meta(content: "Mhoush", name: "og:site_name")
    meta(content: "hvac, developer, swift, home-performance, design", name: "keywords")
    title { SiteMetadata.name + ": \(pageTitle)" }
    link(href: "/static/favicon.ico", rel: "shortcut icon")
    link(href: "/static/output.css", rel: "stylesheet")
    link(href: "/static/style.css", rel: "stylesheet")
    link(href: "/articles/feed.xml", rel: "alternate", title: SiteMetadata.name, type: "application/rss+xml")
    extraHeader
  }
}