export const LATEST_SETTINGS_VERSION = 5;

export type Settings = {
  LLM_MODEL: string;
  LLM_BASE_URL: string;
  AGENT: string;
  LANGUAGE: string;
  LLM_API_KEY: string | null;
  CONFIRMATION_MODE: boolean;
  SECURITY_ANALYZER: string;
  REMOTE_RUNTIME_RESOURCE_FACTOR: number;
};

export type ApiSettings = {
  llm_model: string;
  llm_base_url: string;
  agent: string;
  language: string;
  llm_api_key: string | null;
  confirmation_mode: boolean;
  security_analyzer: string;
  remote_runtime_resource_factor: number;
};

export const DEFAULT_SETTINGS: Settings = {
  LLM_MODEL: "anthropic/claude-3-5-sonnet-20241022",
  LLM_BASE_URL: "",
  AGENT: "CodeActAgent",
  LANGUAGE: "en",
  LLM_API_KEY: null,
  CONFIRMATION_MODE: false,
  SECURITY_ANALYZER: "",
  REMOTE_RUNTIME_RESOURCE_FACTOR: 1,
};

export const getCurrentSettingsVersion = () => {
  const settingsVersion = localStorage.getItem("SETTINGS_VERSION");
  if (!settingsVersion) return 0;
  try {
    return parseInt(settingsVersion, 10);
  } catch (e) {
    return 0;
  }
};

export const settingsAreUpToDate = () =>
  getCurrentSettingsVersion() === LATEST_SETTINGS_VERSION;

// TODO: localStorage settings are deprecated. Remove this after 1/31/2025
/**
 * Get the settings from local storage
 * @returns the settings from local storage
 * @deprecated
 */
export const getLocalStorageSettings = (): Settings => {
  const llmModel = localStorage.getItem("LLM_MODEL");
  const baseUrl = localStorage.getItem("LLM_BASE_URL");
  const agent = localStorage.getItem("AGENT");
  const language = localStorage.getItem("LANGUAGE");
  const llmApiKey = localStorage.getItem("LLM_API_KEY");
  const confirmationMode = localStorage.getItem("CONFIRMATION_MODE") === "true";
  const securityAnalyzer = localStorage.getItem("SECURITY_ANALYZER");

  return {
    LLM_MODEL: llmModel || DEFAULT_SETTINGS.LLM_MODEL,
    LLM_BASE_URL: baseUrl || DEFAULT_SETTINGS.LLM_BASE_URL,
    AGENT: agent || DEFAULT_SETTINGS.AGENT,
    LANGUAGE: language || DEFAULT_SETTINGS.LANGUAGE,
    LLM_API_KEY: llmApiKey || DEFAULT_SETTINGS.LLM_API_KEY,
    CONFIRMATION_MODE: confirmationMode || DEFAULT_SETTINGS.CONFIRMATION_MODE,
    SECURITY_ANALYZER: securityAnalyzer || DEFAULT_SETTINGS.SECURITY_ANALYZER,
    REMOTE_RUNTIME_RESOURCE_FACTOR:
      DEFAULT_SETTINGS.REMOTE_RUNTIME_RESOURCE_FACTOR,
  };
};

/**
 * Get the default settings
 */
export const getDefaultSettings = (): Settings => DEFAULT_SETTINGS;

/**
 * Get the current settings, either from local storage or defaults
 */
export const getSettings = (): Settings => getLocalStorageSettings();