import { getLowerBaseModelName } from '@shared/utils/naming'

import type { MinimalModel } from './types'

export const COPILOT_EDITOR_VERSION = 'vscode/1.104.1'
export const COPILOT_PLUGIN_VERSION = 'copilot-chat/0.26.7'
export const COPILOT_INTEGRATION_ID = 'vscode-chat'
export const COPILOT_USER_AGENT = 'GitHubCopilotChat/0.26.7'

export const COPILOT_DEFAULT_HEADERS = {
  'Copilot-Integration-Id': COPILOT_INTEGRATION_ID,
  'User-Agent': COPILOT_USER_AGENT,
  'Editor-Version': COPILOT_EDITOR_VERSION,
  'Editor-Plugin-Version': COPILOT_PLUGIN_VERSION,
  'editor-version': COPILOT_EDITOR_VERSION,
  'editor-plugin-version': COPILOT_PLUGIN_VERSION,
  'copilot-vision-request': 'true'
} as const

// Models that require the OpenAI Responses endpoint when routed through GitHub Copilot (#10560)
const COPILOT_RESPONSES_MODEL_IDS = ['gpt-5-codex', 'gpt-5.1-codex', 'gpt-5.1-codex-mini']

export function isCopilotResponsesModel<M extends MinimalModel>(model: M): boolean {
  const normalizedId = getLowerBaseModelName(model.id)
  return COPILOT_RESPONSES_MODEL_IDS.some((target) => normalizedId === target)
}