export type ProviderMeta = {
  name: string;
  envVar: string;
  url: string;
  requiresKey: boolean;
  models: string[];
};

// 1. Explicitly define the literal union
export type OnlineProvider = "gemini" | "deepseek" | "openrouter" | "groq";

// 2. Use the union to type the Record
export const ONLINE_PROVIDERS: Record<OnlineProvider, ProviderMeta> = {
  gemini: {
    name: "Gemini",
    envVar: "GEMINI_API_KEY",
    url: "https://generativelanguage.googleapis.com/v1beta",
    requiresKey: true,
    models: ["gemini-2.5-flash", "gemini-2.5-pro"],
  },
  deepseek: {
    name: "DeepSeek",
    envVar: "DEEPSEEK_API_KEY",
    url: "https://api.deepseek.com/v1/chat/completions",
    requiresKey: true,
    models: ["deepseek-chat", "deepseek-reasoner"],
  },
  openrouter: {
    name: "OpenRouter",
    envVar: "OPENROUTER_API_KEY",
    url: "https://openrouter.ai/api/v1/chat/completions",
    requiresKey: true,
    models: [
      "openai/gpt-oss-120b:free",
      "google/gemma-4-31b-it:free",
      "qwen/qwen3-next-80b-a3b-instruct:free",
      "meta-llama/llama-3.3-70b-instruct:free",
      "anthropic/claude-sonnet-4",
      "google/gemini-2.5-flash",
      "deepseek/deepseek-chat-v3",
    ],
  },
  groq: {
    name: "Groq",
    envVar: "GROQ_API_KEY",
    url: "https://api.groq.com/openai/v1/chat/completions",
    requiresKey: true,
    models: ["llama-3.3-70b-versatile", "gemma2-9b-it", "mixtral-8x7b-32768"],
  },
};

export const LOCAL_PROVIDER: ProviderMeta = {
  name: "Local (llama.cpp / ollama / lm-studio)",
  envVar: "",
  url: "http://127.0.0.1:8080/v1/chat/completions",
  requiresKey: false,
  models: [],
};