export const DEFAULT_CHAT_MODEL = "gpt-5.4-mini";

export type ModelCapabilities = {
  tools: boolean;
  vision: boolean;
  reasoning: boolean;
};

export type ChatModel = {
  id: string;
  name: string;
  provider: string;
  description: string;
};

export const chatModels: ChatModel[] = [
  {
    id: "claude-sonnet",
    name: "Claude Sonnet 4.6",
    provider: "anthropic",
    description: "Anthropic's flagship model — balanced reasoning and speed",
  },
  {
    id: "claude-haiku",
    name: "Claude Haiku 4.5",
    provider: "anthropic",
    description: "Fast and cheap Anthropic model",
  },
  {
    id: "gpt-5.4",
    name: "GPT-5.4",
    provider: "openai",
    description: "OpenAI's flagship",
  },
  {
    id: "gpt-5.4-mini",
    name: "GPT-5.4 Mini",
    provider: "openai",
    description: "Fast and cheap OpenAI model",
  },
  {
    id: "kimi-k2.6",
    name: "Kimi K2.6",
    provider: "moonshotai",
    description: "Moonshot AI flagship",
  },
  {
    id: "minimax-m2.7",
    name: "MiniMax M2.7",
    provider: "minimax",
    description: "MiniMax open-source model",
  },
  {
    id: "qwen3-coder",
    name: "Qwen3 Coder",
    provider: "alibaba",
    description: "Code-specialized model",
  },
];

export const titleModel = chatModels.find((m) => m.id === "claude-haiku")!;

export const allowedModelIds = new Set(chatModels.map((m) => m.id));

export const modelsByProvider = chatModels.reduce(
  (acc, model) => {
    if (!acc[model.provider]) {
      acc[model.provider] = [];
    }
    acc[model.provider].push(model);
    return acc;
  },
  {} as Record<string, ChatModel[]>
);

export const modelCapabilities: Record<string, ModelCapabilities> = {
  "claude-sonnet": { tools: true, vision: true, reasoning: true },
  "claude-haiku": { tools: true, vision: true, reasoning: false },
  "gpt-5.4": { tools: true, vision: true, reasoning: true },
  "gpt-5.4-mini": { tools: true, vision: true, reasoning: false },
  "kimi-k2.6": { tools: true, vision: false, reasoning: false },
  "minimax-m2.7": { tools: true, vision: false, reasoning: false },
  "qwen3-coder": { tools: true, vision: false, reasoning: false },
};

export function getActiveModels(): ChatModel[] {
  return chatModels;
}