import {
  isReplacementResultMode,
  shouldShowAgentGridResultSection,
} from "@/lib/agents/generation-result-visibility";

function expect(condition: boolean, message: string) {
  if (!condition) {
    throw new Error(message);
  }
}

expect(
  shouldShowAgentGridResultSection({
    activeModeType: "detail_replacement",
    activeResultCount: 0,
    currentModeType: "detail_replacement",
    pendingModeType: "detail_replacement",
    transportIsGenerating: false,
    hasDetailGenerationPlaceholderState: false,
  }),
  "detail replacement must show its result area before the first image returns"
);

expect(
  shouldShowAgentGridResultSection({
    activeModeType: "sku_replacement",
    activeResultCount: 0,
    currentModeType: "sku_replacement",
    pendingModeType: "sku_replacement",
    transportIsGenerating: false,
    hasDetailGenerationPlaceholderState: false,
  }),
  "SKU replacement must show its result area before the first image returns"
);

expect(
  shouldShowAgentGridResultSection({
    activeModeType: "scene_generation",
    activeResultCount: 0,
    currentModeType: "scene_generation",
    pendingModeType: null,
    transportIsGenerating: true,
    hasDetailGenerationPlaceholderState: false,
  }),
  "the active transport must reveal the current result area"
);

expect(
  !shouldShowAgentGridResultSection({
    activeModeType: "detail_replacement",
    activeResultCount: 0,
    currentModeType: "scene_generation",
    pendingModeType: null,
    transportIsGenerating: false,
    hasDetailGenerationPlaceholderState: false,
  }),
  "an inactive empty result category must remain empty"
);

expect(
  isReplacementResultMode("detail_replacement") &&
    isReplacementResultMode("sku_replacement") &&
    !isReplacementResultMode("detail_generation"),
  "only replacement batches should trigger automatic result reveal"
);

console.log("agent generation result visibility tests passed");