import catalog from "@/lib/content/seedance-starter/catalog.json";

type SeedanceCatalog = typeof catalog;
type SeedanceCase = SeedanceCatalog["cases"][number];

export type VideoTemplate = {
  id: string;
  title: string;
  mode: string;
  modeLabel: string;
  prompt: string;
  seedanceInstruction?: string;
  coverUrl?: string;
  referenceVideoUrl?: string;
  resultVideoUrl?: string;
  selectable: boolean;
  controls: string[];
  materials: Array<{
    role: string;
    type: "image" | "video" | "audio";
    url: string;
    label?: string;
  }>;
};

export function getVideoTemplates(): VideoTemplate[] {
  return (catalog.cases as SeedanceCase[]).map((item) => ({
    id: item.id,
    title: item.title,
    mode: item.mode,
    modeLabel: item.modeLabel,
    prompt: item.prompt,
    seedanceInstruction: typeof item.promptPattern?.seedanceInstruction === "string" ? item.promptPattern.seedanceInstruction : undefined,
    selectable: Boolean(item.display?.selectableAsReferenceTemplate),
    controls: item.interactionHooks?.visibleControls || [],
    materials: []
  }));
}

export function getTemplateById(id?: string): VideoTemplate | undefined {
  if (!id) return undefined;
  return getVideoTemplates().find((template) => template.id === id);
}