import { AlertTriangle, CheckCircle, Info } from 'lucide-react'

import { DashboardFramePanel } from '@/components/dashboard/dashboard-frame-panel'
import { Badge } from '@/components/reui/badge'
import {
  Timeline,
  TimelineContent,
  TimelineHeader,
  TimelineIndicator,
  TimelineItem,
  TimelineSeparator,
  TimelineTitle,
} from '@/components/reui/timeline'
import { cn } from '@evobgp/ui/lib/utils'

import { recentPlatformActivity } from '@/lib/metrics'
import type { JobRow, PeerRow, RevisionRow, SpeakerRow } from '@/types/api'

const KIND_META = {
  job: { icon: Info, className: 'text-info' },
  revision: { icon: CheckCircle, className: 'text-success' },
  network: { icon: AlertTriangle, className: 'text-warning' },
} as const

function statusBadgeVariant(status: string) {
  const s = status.toLowerCase()
  if (['ok', 'success', 'completed', 'done'].includes(s)) return 'success-light' as const
  if (['running', 'queued', 'pending'].includes(s)) return 'info-light' as const
  if (['warning', 'mismatch'].includes(s)) return 'warning-light' as const
  if (['failed', 'error', 'cancelled'].includes(s)) return 'destructive-light' as const
  return 'outline' as const
}

export function DashboardActivityTimeline({
  jobs,
  revisions,
  peers,
  speakers,
  loading,
}: {
  jobs: JobRow[]
  revisions: RevisionRow[]
  peers: PeerRow[]
  speakers: SpeakerRow[]
  loading?: boolean
}) {
  const items = recentPlatformActivity(jobs, revisions, peers, speakers, 6)

  return (
    <DashboardFramePanel
      title="Недавняя активность"
      description="Задачи, ревизии и сетевые события"
      className="h-full min-w-0"
    >
      {loading ? (
        <p className="text-muted-foreground px-4 py-6 text-sm">Загрузка…</p>
      ) : items.length === 0 ? (
        <p className="text-muted-foreground px-4 py-6 text-sm">Нет недавних событий</p>
      ) : (
        <div className="px-4 py-4">
          <Timeline defaultValue={items.length}>
            {items.map((item, index) => {
              const meta = KIND_META[item.kind]
              const Icon = meta.icon
              return (
                <TimelineItem
                  key={item.id}
                  step={index + 1}
                  className="group-data-[orientation=vertical]/timeline:ms-8 group-data-[orientation=vertical]/timeline:not-last:pb-4"
                >
                  <TimelineHeader>
                    <TimelineSeparator className="bg-border! group-data-[orientation=vertical]/timeline:-left-6 group-data-[orientation=vertical]/timeline:top-2 group-data-[orientation=vertical]/timeline:h-[calc(100%-1.5rem)] group-data-[orientation=vertical]/timeline:translate-y-5" />
                    <TimelineIndicator className="border-none bg-transparent group-data-[orientation=vertical]/timeline:-left-6">
                      <span
                        className={cn(
                          'bg-muted/70 flex size-7 items-center justify-center rounded-full',
                          meta.className,
                        )}
                      >
                        <Icon className="size-3.5" aria-hidden />
                      </span>
                    </TimelineIndicator>
                  </TimelineHeader>
                  <TimelineContent className="min-w-0 pb-1 text-foreground">
                    <TimelineTitle className="text-sm leading-snug font-normal break-words">
                      {item.message}
                    </TimelineTitle>
                    <div className="mt-2">
                      <Badge variant={statusBadgeVariant(item.status)} size="sm">
                        {item.statusLabel ?? item.status}
                      </Badge>
                    </div>
                  </TimelineContent>
                </TimelineItem>
              )
            })}
          </Timeline>
        </div>
      )}
    </DashboardFramePanel>
  )
}