/**
 * Model Default Constants - Single Source of Truth
 *
 * All model-related defaults should reference this file.
 * Backend (Rust) should use the same values in kernel_commands.rs
 */

import { LLM_PROVIDER_URLS } from './api-urls';

// === Default Model Configuration ===

/**
 * Default model ID when user hasn't configured one
 * Using gpt-4o-mini as it's cost-effective and capable
 */
export const DEFAULT_MODEL_ID = 'gpt-4o-mini' as const;

/**
 * Default provider when user hasn't configured one
 */
export const DEFAULT_PROVIDER = 'openai' as const;

/**
 * Default max tokens for responses
 */
export const DEFAULT_MAX_TOKENS = 4096 as const;

/**
 * Default temperature for responses
 */
export const DEFAULT_TEMPERATURE = 0.7 as const;

/**
 * Default base URL for OpenAI API
 */
export const DEFAULT_OPENAI_BASE_URL = LLM_PROVIDER_URLS.OPENAI as string;

/**
 * Default base URL for Anthropic API
 */
export const DEFAULT_ANTHROPIC_BASE_URL = LLM_PROVIDER_URLS.ANTHROPIC as string;

// === Provider-Specific Defaults ===

export const PROVIDER_DEFAULTS = {
  openai: {
    baseUrl: LLM_PROVIDER_URLS.OPENAI,
    defaultModel: 'gpt-4o-mini',
  },
  anthropic: {
    baseUrl: LLM_PROVIDER_URLS.ANTHROPIC,
    defaultModel: 'claude-sonnet-4-20250514',
  },
  zhipu: {
    baseUrl: LLM_PROVIDER_URLS.ZHIPU,
    defaultModel: 'glm-4-flash-250414',
  },
  zhipu_coding: {
    baseUrl: LLM_PROVIDER_URLS.ZHIPU_CODING,
    defaultModel: 'glm-4-flash-250414',
  },
  kimi: {
    baseUrl: LLM_PROVIDER_URLS.KIMI,
    defaultModel: 'moonshot-v1-8k',
  },
  kimi_coding: {
    baseUrl: LLM_PROVIDER_URLS.KIMI_CODING,
    defaultModel: 'kimi-for-coding',
  },
  qwen: {
    baseUrl: LLM_PROVIDER_URLS.QWEN,
    defaultModel: 'qwen-turbo',
  },
  qwen_coding: {
    baseUrl: LLM_PROVIDER_URLS.QWEN_CODING,
    defaultModel: 'qwen3-coder-next',
  },
  deepseek: {
    baseUrl: LLM_PROVIDER_URLS.DEEPSEEK,
    defaultModel: 'deepseek-chat',
  },
  gemini: {
    baseUrl: LLM_PROVIDER_URLS.GEMINI,
    defaultModel: 'gemini-2.0-flash',
  },
  local: {
    baseUrl: LLM_PROVIDER_URLS.OLLAMA,
    defaultModel: 'llama3',
  },
} as const;

export type ProviderType = keyof typeof PROVIDER_DEFAULTS;

// === Helper Functions ===

/**
 * Get provider default configuration
 */
export function getProviderDefaults(provider: string): {
  baseUrl: string;
  defaultModel: string;
} {
  return PROVIDER_DEFAULTS[provider as ProviderType] || {
    baseUrl: DEFAULT_OPENAI_BASE_URL,
    defaultModel: DEFAULT_MODEL_ID,
  };
}

/**
 * Check if a provider is a coding plan provider
 */
export function isCodingProvider(provider: string): boolean {
  return provider.endsWith('-coding') || provider === 'zhipu-coding';
}