import type { WebContents } from 'electron/main'
import { app } from 'electron/main'

function normalizeBooleanEnv(value: string | undefined): boolean | null {
  if (!value) {
    return null
  }

  const normalized = value.trim().toLowerCase()
  if (['1', 'true', 'yes', 'on'].includes(normalized)) {
    return true
  }
  if (['0', 'false', 'no', 'off'].includes(normalized)) {
    return false
  }
  return null
}

export function shouldAutoOpenExecutionDevtools(): boolean {
  if (app.isPackaged) {
    return false
  }

  const explicit = normalizeBooleanEnv(process.env.GEO_DESKTOP_EXECUTION_DEVTOOLS)
  if (explicit !== null) {
    return explicit
  }

  return Boolean(process.env.ELECTRON_RENDERER_URL)
}

export function shouldAutoOpenBackgroundExecutionDevtools(): boolean {
  if (app.isPackaged) {
    return false
  }

  const explicit = normalizeBooleanEnv(process.env.GEO_DESKTOP_EXECUTION_DEVTOOLS)
  if (explicit !== null) {
    return explicit
  }

  return false
}

export function maybeOpenExecutionDevtools(
  webContents: WebContents,
  label: string,
  options: { background?: boolean } = {},
): void {
  const allowOpen = options.background
    ? shouldAutoOpenBackgroundExecutionDevtools()
    : shouldAutoOpenExecutionDevtools()
  if (!allowOpen) {
    return
  }
  if (webContents.isDestroyed() || webContents.isDevToolsOpened()) {
    return
  }

  try {
    webContents.openDevTools({ mode: 'detach' })
    console.info('[desktop-devtools] opened execution devtools', { label })
  } catch (error) {
    console.warn('[desktop-devtools] failed to open execution devtools', { label, error })
  }
}