/*
 * @ts-nocheck
 * Preventing TS checks with files presented in the video for a better presentation.
 */
import { env } from 'node:process';
import type { IProviderSetting } from '~/types/model';
import { getProviderBaseUrlAndKey } from '~/utils/constants';

export function getAPIKey(cloudflareEnv: Env, provider: string, userApiKeys?: Record<string, string>) {
  /**
   * The `cloudflareEnv` is only used when deployed or when previewing locally.
   * In development the environment variables are available through `env`.
   */

  // First check user-provided API keys
  if (userApiKeys?.[provider]) {
    return userApiKeys[provider];
  }

  const { apiKey } = getProviderBaseUrlAndKey({
    provider,
    apiKeys: userApiKeys,
    providerSettings: undefined,
    serverEnv: cloudflareEnv as any,
    defaultBaseUrlKey: '',
    defaultApiTokenKey: '',
  });

  if (apiKey) {
    return apiKey;
  }

  // Fall back to hardcoded  environment variables names
  switch (provider) {
    case 'Anthropic':
      return env.ANTHROPIC_API_KEY || cloudflareEnv.ANTHROPIC_API_KEY;
    case 'OpenAI':
      return env.OPENAI_API_KEY || cloudflareEnv.OPENAI_API_KEY;
    case 'Google':
      return env.GOOGLE_GENERATIVE_AI_API_KEY || cloudflareEnv.GOOGLE_GENERATIVE_AI_API_KEY;
    case 'Groq':
      return env.GROQ_API_KEY || cloudflareEnv.GROQ_API_KEY;
    case 'HuggingFace':
      return env.HuggingFace_API_KEY || cloudflareEnv.HuggingFace_API_KEY;
    case 'OpenRouter':
      return env.OPEN_ROUTER_API_KEY || cloudflareEnv.OPEN_ROUTER_API_KEY;
    case 'Deepseek':
      return env.DEEPSEEK_API_KEY || cloudflareEnv.DEEPSEEK_API_KEY;
    case 'Mistral':
      return env.MISTRAL_API_KEY || cloudflareEnv.MISTRAL_API_KEY;
    case 'OpenAILike':
      return env.OPENAI_LIKE_API_KEY || cloudflareEnv.OPENAI_LIKE_API_KEY;
    case 'Together':
      return env.TOGETHER_API_KEY || cloudflareEnv.TOGETHER_API_KEY;
    case 'xAI':
      return env.XAI_API_KEY || cloudflareEnv.XAI_API_KEY;
    case 'Perplexity':
      return env.PERPLEXITY_API_KEY || cloudflareEnv.PERPLEXITY_API_KEY;
    case 'Cohere':
      return env.COHERE_API_KEY;
    case 'AzureOpenAI':
      return env.AZURE_OPENAI_API_KEY;
    default:
      return '';
  }
}

export function getBaseURL(cloudflareEnv: Env, provider: string, providerSettings?: Record<string, IProviderSetting>) {
  const { baseUrl } = getProviderBaseUrlAndKey({
    provider,
    apiKeys: {},
    providerSettings,
    serverEnv: cloudflareEnv as any,
    defaultBaseUrlKey: '',
    defaultApiTokenKey: '',
  });

  if (baseUrl) {
    return baseUrl;
  }

  let settingBaseUrl = providerSettings?.[provider].baseUrl;

  if (settingBaseUrl && settingBaseUrl.length == 0) {
    settingBaseUrl = undefined;
  }

  switch (provider) {
    case 'Together':
      return (
        settingBaseUrl ||
        env.TOGETHER_API_BASE_URL ||
        cloudflareEnv.TOGETHER_API_BASE_URL ||
        'https://api.together.xyz/v1'
      );
    case 'OpenAILike':
      return settingBaseUrl || env.OPENAI_LIKE_API_BASE_URL || cloudflareEnv.OPENAI_LIKE_API_BASE_URL;
    case 'LMStudio':
      return (
        settingBaseUrl || env.LMSTUDIO_API_BASE_URL || cloudflareEnv.LMSTUDIO_API_BASE_URL || 'http://localhost:1234'
      );
    case 'Ollama': {
      let baseUrl =
        settingBaseUrl || env.OLLAMA_API_BASE_URL || cloudflareEnv.OLLAMA_API_BASE_URL || 'http://localhost:11434';

      if (env.RUNNING_IN_DOCKER === 'true') {
        baseUrl = baseUrl.replace('localhost', 'host.docker.internal');
      }

      return baseUrl;
    }
    default:
      return '';
  }
}