import { defaultConfigurationService } from "./ConfigurationService";

export const DEFAULT_HTTP_TIMEOUT = 30.0;
export const DEFAULT_IMAGE_PROVIDER = "duckduckgo";
export const DEFAULT_READ_WEBPAGE_CHUNK_SIZE = 5000;
export const DEFAULT_SEARCH_MAX_SNIPPET_LENGTH = 500;
export const DEFAULT_SEARCH_MAX_PAYLOAD_CHARACTERS = 8000;

/**
 * Global application configuration and developer debug flags.
 * Purely parses and interprets process.env flags without environment initialization side-effects.
 */
export class Config {
  private static debugEnabled: boolean = false;

  public static load(): void {
    const debug = process.env.DEBUG?.trim().toLowerCase();
    const browseDebug = process.env.BROWSE_DEBUG?.trim().toLowerCase();

    this.debugEnabled =
      debug === "true" ||
      debug === "1" ||
      browseDebug === "true" ||
      browseDebug === "1";
  }

  public static isDebugEnabled(): boolean {
    return this.debugEnabled;
  }

  public static getProviderKeys(providerName: string): string[] {
    return defaultConfigurationService.getProviderKeys(providerName);
  }

  public static getProviderKey(providerName: string): string {
    const keys = this.getProviderKeys(providerName);
    return keys.length > 0 ? keys[0] : "";
  }

  public static getHttpTimeout(): number {
    return defaultConfigurationService.getHttpTimeoutSeconds();
  }

  public static getImageProviderName(): string {
    return defaultConfigurationService.getImageDefaultProvider();
  }

  public static getReadWebpageChunkSize(): number {
    return defaultConfigurationService.getReadWebpageChunkSize();
  }

  public static parseKeys(...envVarNames: string[]): string[] {
    for (const name of envVarNames) {
      const rawVal = process.env[name];
      if (rawVal && rawVal.trim()) {
        const keys = rawVal
          .split(",")
          .map((k) => k.trim())
          .filter((k) => k.length > 0);
        if (keys.length > 0) {
          return keys;
        }
      }
    }
    return [];
  }
}

Config.load();

import { defaultConfigurationService } from "./ConfigurationService";

export const DEFAULT_HTTP_TIMEOUT = 30.0;
export const DEFAULT_IMAGE_PROVIDER = "duckduckgo";
export const DEFAULT_READ_WEBPAGE_CHUNK_SIZE = 5000;
export const DEFAULT_SEARCH_MAX_SNIPPET_LENGTH = 500;
export const DEFAULT_SEARCH_MAX_PAYLOAD_CHARACTERS = 8000;

/**
 * Global application configuration and developer debug flags.
 * Purely parses and interprets process.env flags without environment initialization side-effects.
 */
export class Config {
  private static debugEnabled: boolean = false;

  public static load(): void {
    const debug = process.env.DEBUG?.trim().toLowerCase();
    const browseDebug = process.env.BROWSE_DEBUG?.trim().toLowerCase();

    this.debugEnabled =
      debug === "true" ||
      debug === "1" ||
      browseDebug === "true" ||
      browseDebug === "1";
  }

  public static isDebugEnabled(): boolean {
    return this.debugEnabled;
  }

  public static getProviderKeys(providerName: string): string[] {
    return defaultConfigurationService.getProviderKeys(providerName);
  }

  public static getProviderKey(providerName: string): string {
    const keys = this.getProviderKeys(providerName);
    return keys.length > 0 ? keys[0] : "";
  }

  public static getHttpTimeout(): number {
    return defaultConfigurationService.getHttpTimeoutSeconds();
  }

  public static getImageProviderName(): string {
    return defaultConfigurationService.getImageDefaultProvider();
  }

  public static getReadWebpageChunkSize(): number {
    return defaultConfigurationService.getReadWebpageChunkSize();
  }

  public static parseKeys(...envVarNames: string[]): string[] {
    for (const name of envVarNames) {
      const rawVal = process.env[name];
      if (rawVal && rawVal.trim()) {
        const keys = rawVal
          .split(",")
          .map((k) => k.trim())
          .filter((k) => k.length > 0);
        if (keys.length > 0) {
          return keys;
        }
      }
    }
    return [];
  }
}

Config.load();