import type { AgentPresetType } from "@/types/agent";

export const AGENT_SECONDARY_TYPE_CONFIG_KEY = "agent_secondary_type_config";

export type AgentSecondaryTypeConfig = Record<AgentPresetType, string[]>;

export const defaultAgentSecondaryTypeConfig: AgentSecondaryTypeConfig = {
  image: [],
  video: [],
  text: [],
};

export function normalizeAgentSecondaryTypeConfig(value: unknown): AgentSecondaryTypeConfig {
  const raw =
    value && typeof value === "object" && !Array.isArray(value)
      ? (value as Record<string, unknown>)
      : {};

  const normalizeList = (input: unknown) => {
    if (!Array.isArray(input)) return [] as string[];
    return Array.from(
      new Set(
        input
          .map((item) => String(item || "").trim())
          .filter(Boolean)
          .slice(0, 200)
      )
    );
  };

  return {
    image: normalizeList(raw.image),
    video: normalizeList(raw.video),
    text: normalizeList(raw.text),
  };
}

export function isValidSecondaryTypeForPresetType(params: {
  presetType: AgentPresetType;
  secondaryType?: string | null;
  config: AgentSecondaryTypeConfig;
}) {
  const normalized = String(params.secondaryType || "").trim();
  if (!normalized) return true;
  const allowed = params.config[params.presetType] || [];
  return allowed.includes(normalized);
}