'use strict'

const { contextBridge, ipcRenderer } = require('electron')

function normalizeRunId(runId) {
  return String(runId || '').trim()
}

function runScopedChannel(runId, topic) {
  const rid = normalizeRunId(runId)
  if (!rid) return ''
  return `popup:${rid}:${topic}`
}

contextBridge.exposeInMainWorld('popupApi', {
  isScoped: true,
  popupKill: (runId) => ipcRenderer.invoke('popup-kill', { runId: normalizeRunId(runId) }),
  popupResize: (payload) => ipcRenderer.invoke('popup-resize', {
    ...(payload || {}),
    runId: normalizeRunId(payload && payload.runId)
  }),
  onMeta: (runId, cb) => {
    const channel = runScopedChannel(runId, 'meta')
    if (!channel || typeof cb !== 'function') return false
    ipcRenderer.on(channel, (_, data) => cb(data))
    return true
  },
  onOutput: (runId, cb) => {
    const channel = runScopedChannel(runId, 'out')
    if (!channel || typeof cb !== 'function') return false
    ipcRenderer.on(channel, (_, data) => cb(data))
    return true
  },
  onDone: (runId, cb) => {
    const channel = runScopedChannel(runId, 'done')
    if (!channel || typeof cb !== 'function') return false
    ipcRenderer.on(channel, (_, code) => cb(code))
    return true
  },
  onMetrics: (runId, cb) => {
    const channel = runScopedChannel(runId, 'metrics')
    if (!channel || typeof cb !== 'function') return false
    ipcRenderer.on(channel, (_, metrics) => cb(metrics))
    return true
  },
  offAll: () => {
    // Keep this function backward-compatible; explicit per-run cleanup is preferred.
    return true
  },
  offRun: (runId) => {
    const rid = normalizeRunId(runId)
    if (!rid) return false
    ipcRenderer.removeAllListeners(runScopedChannel(rid, 'meta'))
    ipcRenderer.removeAllListeners(runScopedChannel(rid, 'out'))
    ipcRenderer.removeAllListeners(runScopedChannel(rid, 'done'))
    ipcRenderer.removeAllListeners(runScopedChannel(rid, 'metrics'))
    return true
  }
})