'use strict'

const { dispatchUiMessage } = require('./index')
const { AUDIT_FILTER } = require('pearcord-delivery-receipts')

async function ipc (platform, msg) {
  const ok = await dispatchUiMessage(platform, msg, {})
  if (!ok) throw new Error(`unhandled IPC type: ${msg?.type}`)
}

/**
 * Full desktop UI journey: onboarding, settings, navigation, invite join, restore.
 */
async function runFullUiFlowScenario (platform) {
  await ipc(platform, {
    type: 'register',
    username: 'ui_flow_user',
    displayName: 'Pearcord UI'
  })
  let view = await platform.view()
  if (!view.onboarded) throw new Error('onboarded after register')
  if (!view.needsGuild) throw new Error('needsGuild after register')

  await ipc(platform, { type: 'create-guild', name: 'Pearcord HQ' })
  view = await platform.view()
  if (view.guild?.name !== 'Pearcord HQ') throw new Error('guild name')
  if (view.needsGuild) throw new Error('needsGuild cleared')
  if (view.mode !== 'guild') throw new Error('guild mode')
  if (!view.activeChannelId) throw new Error('active channel')

  const guildId = view.guild.id
  const generalId = view.activeChannelId

  await ipc(platform, { type: 'update-profile', displayName: 'UI Flow Tester' })
  await ipc(platform, {
    type: 'update-user-prefs',
    prefs: { theme: 'amoled', density: 'compact', showTimestamps: true }
  })
  view = await platform.view()
  if (view.user?.displayName !== 'UI Flow Tester') throw new Error('profile display name')
  if (view.userPrefs?.theme !== 'amoled') throw new Error('user prefs theme')

  await ipc(platform, { type: 'update-guild-settings', name: 'Pearcord HQ Renamed' })
  await ipc(platform, {
    type: 'set-discovery-tags',
    guildId,
    tags: ['gaming', 'p2p']
  })
  await ipc(platform, {
    type: 'set-automod-config',
    config: { enabled: true, maxMentions: 4, blockInvites: true }
  })
  await ipc(platform, { type: 'add-guild-boost', amount: 1 })
  await ipc(platform, { type: 'set-presence', status: 'idle', customStatus: 'smoke testing' })
  view = await platform.view()
  if (view.guild?.name !== 'Pearcord HQ Renamed') throw new Error('guild renamed')
  if (!view.automodConfig?.enabled) throw new Error('automod enabled')
  if ((view.guildBoost?.boostCount || 0) < 1) throw new Error('guild boost')
  if (view.presence?.self?.customStatus !== 'smoke testing') throw new Error('custom status')

  await ipc(platform, { type: 'send-message', content: 'UI flow smoke message' })
  await ipc(platform, { type: 'select-home' })
  view = await platform.view()
  if (view.mode !== 'home') throw new Error('home mode after select-home')

  const peerId = 'a'.repeat(32)
  await ipc(platform, {
    type: 'open-dm',
    peerUserId: peerId,
    peerDisplayName: 'Peer'
  })
  view = await platform.view()
  if (view.mode !== 'dm') throw new Error('dm mode')
  await ipc(platform, { type: 'send-message', content: 'DM from UI flow' })

  await ipc(platform, { type: 'select-guild', guildId })
  view = await platform.view()
  if (view.mode !== 'guild') throw new Error('back to guild')
  await ipc(platform, { type: 'select-channel', channelId: generalId })
  if (view.activeChannelId !== generalId) {
    view = await platform.view()
    if (view.activeChannelId !== generalId) throw new Error('channel reselected')
  }

  await ipc(platform, {
    type: 'update-notification-prefs',
    prefs: { desktopEnabled: true, notifyOnAllMessages: true }
  })
  view = await platform.view()
  if (!view.notificationPrefs?.desktopEnabled) throw new Error('notification prefs')
  if (!view.notificationPrefs?.notifyOnAllMessages) throw new Error('notification prefs patch')

  const invite = await platform.createInvite()
  return {
    guildId,
    generalId,
    inviteCode: invite.shareCode || invite.code,
    view
  }
}

/**
 * Host onboarding: register → create guild → first message (UI IPC path).
 */
async function runOnboardingHostScenario (platform, opts = {}) {
  const name = opts.guildName || 'Onboarding Mesh Guild'
  const username = opts.username || 'onboard_host'
  await ipc(platform, {
    type: 'register',
    username,
    displayName: opts.displayName || 'Onboard Host'
  })
  let view = await platform.view()
  if (!view.onboarded) throw new Error('host not onboarded after register')
  if (!view.needsGuild) throw new Error('host should need guild after register')

  await ipc(platform, { type: 'create-guild', name })
  view = await platform.view()
  if (!view.guild) throw new Error('host guild missing')
  if (view.needsGuild) throw new Error('host still needsGuild after create')
  if (view.mode !== 'guild') throw new Error('host not in guild mode')

  const marker = opts.marker || `onboard-mesh-${Date.now()}`
  await ipc(platform, {
    type: 'send-message',
    content: `onboarding pre-mesh ${marker}`
  })
  view = await platform.view()
  if (!view.messages?.some((m) => String(m.content).includes(marker))) {
    throw new Error('host pre-mesh message missing')
  }

  const invite = await platform.createInvite()
  return {
    guildId: view.guild.id,
    channelId: view.activeChannelId,
    marker,
    inviteCode: invite.shareCode || invite.code,
    view
  }
}

/**
 * Guest onboarding: register → join-invite (mirrors UI join modal after needsGuild).
 */
async function runOnboardingGuestJoinScenario (platform, inviteCode, opts = {}) {
  await ipc(platform, {
    type: 'register',
    username: opts.username || 'onboard_guest',
    displayName: opts.displayName || 'Onboard Guest'
  })
  let view = await platform.view()
  if (!view.needsGuild) throw new Error('guest should need guild before join')
  if (view.guild) throw new Error('guest should not have guild before join')

  await ipc(platform, { type: 'join-invite', code: inviteCode })
  view = await platform.view()
  if (view.needsGuild) throw new Error('guest still needsGuild after join')
  if (!view.guild) throw new Error('guest guild missing after join')
  if (view.mode !== 'guild') throw new Error('guest not in guild mode')
  if (!view.channels?.length) throw new Error('guest missing channels after join')

  return { view }
}

/**
 * Onboarding host with signed audit CSV export for badge/dashboard smokes (v0.8.83).
 */
async function runOnboardingHostAuditCsvScenario (platform, opts = {}) {
  const base = await runOnboardingHostScenario(platform, opts)
  const guildId = base.guildId
  await platform._audit('automation.onboarding', { guildId, detail: 'ui ipc csv' })
  await ipc(platform, {
    type: 'export-audit-log',
    format: 'csv',
    filter: 'automation',
    limit: 50,
    gossip: false,
    sign: true,
    recordMesh: false
  })
  await ipc(platform, { type: 'sync-audit-export-csv', filter: 'automation', limit: 50 })
  const view = await platform.view()
  if (!view.auditExportCsvMeta?.signature) {
    throw new Error('host auditExportCsvMeta missing after IPC export')
  }
  if (view.auditExportCsvMeta.signatureValid !== true) {
    throw new Error('host audit csv signature invalid')
  }
  const dash = view.automationHealthDashboard || view.automationScheduleDashboard
  if (!dash?.auditCsvMesh?.hasSignature) {
    throw new Error('health dashboard missing auditCsvMesh')
  }
  return { ...base, auditExportCsvMeta: view.auditExportCsvMeta, dashboard: dash }
}

/**
 * Audit modal filter survives two UI refresh cycles (simulates close/reopen) (v0.8.85).
 */
async function runAuditModalFilterDoubleRefreshScenario (platform, opts = {}) {
  const base = await runOnboardingHostScenario(platform, opts)
  await ipc(platform, {
    type: 'set-audit-log-export-filter',
    filter: AUDIT_FILTER.AUTOMATION
  })
  await ipc(platform, { type: 'refresh' })
  let view = await platform.view()
  if (view.auditLogExportFilter !== AUDIT_FILTER.AUTOMATION) {
    throw new Error('filter lost after first refresh')
  }
  await ipc(platform, { type: 'refresh' })
  view = await platform.view()
  if (view.auditLogExportFilter !== AUDIT_FILTER.AUTOMATION) {
    throw new Error('filter lost after second refresh')
  }
  if (view.auditExportScheduleFilter !== AUDIT_FILTER.AUTOMATION) {
    throw new Error('schedule filter missing after double refresh')
  }
  return { ...base, filter: AUDIT_FILTER.AUTOMATION }
}

module.exports = {
  runFullUiFlowScenario,
  runOnboardingHostScenario,
  runOnboardingGuestJoinScenario,
  runOnboardingHostAuditCsvScenario,
  runAuditModalFilterDoubleRefreshScenario,
  ipc
}