import type { ProviderId } from "@/lib/ai/core/types";

/** Client-safe provider metadata (mirrors PROVIDER_META without importing adapters). */
export const PROVIDERS: Record<ProviderId, { name: string; shortName: string; keyDocsUrl: string; keyPrefixHint: string; colorVar: string; description: string; consoleUrl: string; keyHelp: string }> = {
  openai: {
    name: "OpenAI",
    shortName: "OpenAI",
    keyDocsUrl: "https://platform.openai.com/api-keys",
    keyPrefixHint: "sk-…",
    colorVar: "var(--p-openai)",
    description: "GPT-6, GPT-5.x, o-series reasoning models — via the Responses API.",
    consoleUrl: "https://platform.openai.com",
    keyHelp: "Create a project key at platform.openai.com → API keys. Keys look like sk-proj-….",
  },
  anthropic: {
    name: "Anthropic",
    shortName: "Anthropic",
    keyDocsUrl: "https://platform.claude.com/settings/keys",
    keyPrefixHint: "sk-ant-…",
    colorVar: "var(--p-anthropic)",
    description: "Claude Fable, Opus, Sonnet and Haiku — adaptive thinking, 1M context.",
    consoleUrl: "https://platform.claude.com",
    keyHelp: "Create a key in the Claude Console → Settings → API keys. Keys look like sk-ant-api03-….",
  },
  gemini: {
    name: "Google Gemini",
    shortName: "Gemini",
    keyDocsUrl: "https://aistudio.google.com/apikey",
    keyPrefixHint: "AIza… or AQ.…",
    colorVar: "var(--p-gemini)",
    description: "Gemini 3.x Flash and Pro, 2.5 family — Gemini Developer API.",
    consoleUrl: "https://aistudio.google.com",
    keyHelp: "Create a key in Google AI Studio → Get API key. Both AIza… and AQ.… keys work.",
  },
  xai: {
    name: "xAI",
    shortName: "xAI",
    keyDocsUrl: "https://console.x.ai",
    keyPrefixHint: "xai-…",
    colorVar: "var(--p-xai)",
    description: "Grok 4.x reasoning and non-reasoning models with live web search.",
    consoleUrl: "https://console.x.ai",
    keyHelp: "Create a key in the xAI Console → API Keys. Keys look like xai-….",
  },
  mistral: {
    name: "Mistral AI",
    shortName: "Mistral",
    keyDocsUrl: "https://console.mistral.ai/api-keys",
    keyPrefixHint: "32 characters",
    colorVar: "var(--p-mistral)",
    description: "Mistral Large / Medium / Small, Ministral, Magistral reasoning, Codestral — La Plateforme.",
    consoleUrl: "https://console.mistral.ai",
    keyHelp: "Create a key in La Plateforme → API Keys (console.mistral.ai). Keys are 32 alphanumeric characters.",
  },
  deepseek: {
    name: "DeepSeek",
    shortName: "DeepSeek",
    keyDocsUrl: "https://platform.deepseek.com/api_keys",
    keyPrefixHint: "sk-…",
    colorVar: "var(--p-deepseek)",
    description: "DeepSeek V4 Flash / Pro — thinking mode, context caching, very low prices.",
    consoleUrl: "https://platform.deepseek.com",
    keyHelp: "Create a key at platform.deepseek.com → API keys. Keys look like sk-….",
  },
  kimi: {
    name: "Kimi (Moonshot AI)",
    shortName: "Kimi",
    keyDocsUrl: "https://platform.moonshot.ai/console/api-keys",
    keyPrefixHint: "sk-…",
    colorVar: "var(--p-kimi)",
    description: "Kimi K2.6 / K2.7 Code / K3 — long context, thinking, web search (api.moonshot.ai).",
    consoleUrl: "https://platform.moonshot.ai",
    keyHelp: "Create a key in the Moonshot AI international console (platform.moonshot.ai). Keys look like sk-….",
  },
  openrouter: {
    name: "OpenRouter",
    shortName: "OpenRouter",
    keyDocsUrl: "https://openrouter.ai/settings/keys",
    keyPrefixHint: "sk-or-v1-…",
    colorVar: "var(--p-openrouter)",
    description: "Hundreds of models from every vendor behind one key, with live pricing and routing.",
    consoleUrl: "https://openrouter.ai",
    keyHelp: "Create a key at openrouter.ai → Settings → Keys. Keys look like sk-or-v1-….",
  },
  cerebras: {
    name: "Cerebras",
    shortName: "Cerebras",
    keyDocsUrl: "https://cloud.cerebras.ai/",
    keyPrefixHint: "csk-…",
    colorVar: "var(--p-cerebras)",
    description: "Ultra-fast inference for open models (GPT-OSS, Qwen, Gemma) on wafer-scale hardware.",
    consoleUrl: "https://cloud.cerebras.ai",
    keyHelp: "Create a key in Cerebras Cloud → API Keys. Keys look like csk-….",
  },
  custom: {
    name: "Custom endpoints",
    shortName: "Custom",
    keyDocsUrl: "/app/settings/endpoints",
    keyPrefixHint: "",
    colorVar: "var(--p-custom)",
    description: "Your own OpenAI-compatible servers — Ollama, LM Studio, vLLM, llama.cpp, MLX.",
    consoleUrl: "/app/settings/endpoints",
    keyHelp: "Configured per endpoint in Settings → Endpoints (base URL, optional key, headers).",
  },
};

/** Providers connected with one API key, in display order. `custom` is managed in Settings → Endpoints. */
export const PROVIDER_ORDER: ProviderId[] = ["openai", "anthropic", "gemini", "xai", "mistral", "deepseek", "kimi", "openrouter", "cerebras"];

export function providerName(p: string | null | undefined): string {
  return p && p in PROVIDERS ? PROVIDERS[p as ProviderId].shortName : p ?? "—";
}