// 配置常量
const CONFIG = {
  port:process.env.PORT || 3000,

  endpoint: [
    {
      name: 'openai',
      base_url: 'https://app.factory.ai/api/llm/o/v1/responses'
    },
    {
      name: 'anthropic',
      base_url: 'https://app.factory.ai/api/llm/a/v1/messages'
    },
    {
      name: 'common',
      base_url: 'https://app.factory.ai/api/llm/o/v1/chat/completions'
    }
  ],

  models: [
    {
        id: 'claude-opus-4-5-20251101',
        type: 'anthropic',
        reasoning: 'auto'
      },
    {
      id: 'claude-opus-4-1-20250805',
      type: 'anthropic',
      reasoning: 'auto'
    },
    {
      id: 'claude-haiku-4-5-20251001',
      type: 'anthropic',
      reasoning: 'auto'
    },
    {
      id: 'claude-sonnet-4-5-20250929',
      type: 'anthropic',
      reasoning: 'auto'
    },
    {
      id: 'gpt-5-codex',
      type: 'openai',
      reasoning: 'off'
    },
    {
      id: 'glm-4.6',
      type: 'common'
    }
  ],

  user_agent: 'factory-cli/0.27.0',
  system_prompt: 'You are Droid, an AI software engineering agent built by Factory.\n\n'
}

export function getConfig() {
  return CONFIG
}

export function getModelById(modelId) {
  return CONFIG.models.find(m => m.id === modelId)
}

export function getEndpointByType(type) {
  return CONFIG.endpoint.find(e => e.name === type)
}

export function getPort() {
  return parseInt(process.env.PORT) || CONFIG.port
}

export function getSystemPrompt() {
  return CONFIG.system_prompt || ''
}

export function getModelReasoning(modelId) {
  const model = getModelById(modelId)
  if (!model || !model.reasoning) {
    return null
  }
  const reasoningLevel = model.reasoning.toLowerCase()
  if (['low', 'medium', 'high', 'auto'].includes(reasoningLevel)) {
    return reasoningLevel
  }
  return null
}

export function getUserAgent() {
  return CONFIG.user_agent
}

export function getProxyUrl() {
  return process.env.PROXY_URL || null
}