#let lang = sys.inputs.at("lang", default: "en")
#set par(justify: true)
#set page("a4")
#set text(lang: lang.split("_").at(0), size: 15pt, font: "FreeSans")
#show list: set text(font: "Gluten", fill: rgb(46, 73, 0), size: 20pt)
#show heading.where(level: 2): set text(font: "Great Vibes", size: 40pt)

#let document_flags = ("image_attribution",)

#let load_locale(name) = {
  read("locale/" + name + ".ini")
  .split("\n")
  .filter(l => l != "[hurrycurry]")
  .filter(l => l != "")
  .map(l => l.split("="))
  .map(((x, y)) => (x.trim(), y.trim().replace("%n", "\n")))
}
#let translations = {
  let d = (a: 1)
  for (k, v) in load_locale("en") {
    d.insert(k, v)
  }
  for (k, v) in load_locale(lang) {
    d.insert(k, v)
  }
  d
}
#let tr(s) = translations.at(s, default: text(fill: red)[TRANSLATION: #s])

#let msgstr(o) = if "translation" in o { tr(o.translation.id) } else { o.text }

#let element(elem) = if elem.t == "document" [
  #for e in elem.es [
    #element(e)
  ]
] else if elem.t == "page" [
  #page(background: if "background" in elem {
    image(
      "assets/" + elem.background + ".jpeg",
      fit: "cover",
      height: 100%,
      width: 100%,
    )
  } else { none }, [
    #for e in elem.es [
      #element(e)
    ]
  ])
] else if elem.t == "text" [
  #text(
    font: elem.font,
    size: elem.size * 1pt,
    fill: rgb(elem.color),
    weight: if "bold" in elem { "bold" } else { "regular" },
    msgstr(elem.s),
  )
] else if elem.t == "list" [
  #list(..elem.es.map(element))
] else if elem.t == "par" [
  #par[#for x in elem.es.map(element) [#x]]
] else if elem.t == "table" [
  #table(columns: elem.es.at(0).len(), ..elem.es.flatten().map(element))
] else if elem.t == "conditional" [
  #if (elem.cond in document_flags) == elem.value [
    #element(elem.e)
  ]
] else if elem.t == "ref" [
  #link(label(elem.id), element(elem.e))
] else if elem.t == "label" [
  #element(elem.e) #label(elem.id)
] else if elem.t == "align" [
  #h(1fr) #align(if elem.dir == "flow_end" { right } else { bottom }, element(elem.e))
] else if elem.t == "container" [
  #for e in elem.es [
    #element(e)
  ]
] else [
  #elem
]

#element(json("book.json"))