#import "tabler.typ"
// Colors used across the template.
#let stroke-color = luma(200)
#let fill-color = luma(240)


#let idState = state("04cb31e7-92f1-4e72-82d8-e5ef190d0745", 0)



#let usecase(
  name: "",
  diagramm: none,
  actors: ([],),
  precondition: [],
  process: [],
  acceptanceCriteria: none,
  offset: 2,
) = {
  idState.update(s => s + 1)

  set heading(offset: offset, numbering: none)

  context [
    #figure(
      none,
      kind: "usecase",
      supplement: _ => [UC-#h(-0.25em)],
    )
    #label("usecase-" + str(idState.get()))

    #figure(
      tabler.sideways(
        columns: (auto, 1fr),

        [Bezeichnung ],
        [UC-#idState.get(): #name],

        ..(
          if diagramm != none {
            (
              [Diagramm],
              block(
                inset: (top: 0.5em, left: 0.5em, right: 0.5em),
                width: 100%,
                figure(
                  diagramm,
                  caption: [Diagramm für #{ "UC-" + str(idState.get()) }],
                ),
              ),
            )
          } else { () }
        ),

        [Beteiligte Akteure],
        actors.join(", "),

        [Vorbedingungen],
        precondition,

        [Ablauf],
        process,
        ..(
          if acceptanceCriteria != none {
            (
              [Akzeptanzkriterien],
              [
                #for criteria in acceptanceCriteria {
                  [+ #criteria]
                }
              ],
            )
          }
        ),
      ),
      caption: [Anwendungsfall: #{ "UC-" + str(idState.get()) }],
    )


  ]
}