'use client'

import type React from 'react'
import { useDraggable } from '@dnd-kit/core'
import { CSS } from '@dnd-kit/utilities'
import { Loader2 } from 'lucide-react'
import { cn } from '@/lib/utils'
import { CodeBadge } from '@/components/shared/code-badge'
import { JOB_STATUS_LABELS, JOB_STATUS_COLORS, JOB_STATUS_ACTIVE } from '@/components/shared/job-status'
import { useSoloStore } from '@/stores/solo-store'
import type { SoloTask } from './solo-board'

const PRIORITY_BORDER: Record<number, string> = {
  1: 'border-l-4 border-l-priority-critical',
  2: 'border-l-4 border-l-priority-high',
  3: 'border-l-4 border-l-priority-medium',
  4: 'border-l-4 border-l-priority-low',
}

interface SoloTaskCardProps {
  task: SoloTask
  isDemo: boolean
  onClick: () => void
}

export function SoloTaskCard({ task, isDemo, onClick }: SoloTaskCardProps) {
  const job = useSoloStore(s => s.claudeJobsByTaskId[task.id])
  const { attributes, listeners, setNodeRef, transform, isDragging } = useDraggable({
    id: task.id,
    disabled: isDemo,
  })

  // view-transition-name laat de browser deze card snapshotten zodat hij
  // soepel van kolom naar kolom animeert wanneer de status realtime wijzigt
  // (ST-805 animatie A). Tijdens drag uit zetten — dnd-kit beheert de
  // transform dan zelf en dubbele transitions willen we niet.
  const style: React.CSSProperties | undefined = transform
    ? { transform: CSS.Translate.toString(transform) }
    : { viewTransitionName: `solo-task-${task.id}` }

  return (
    <div
      ref={setNodeRef}
      style={style}
      onClick={onClick}
      className={cn(
        'bg-surface-container rounded border border-border px-3 py-2 select-none transition-colors',
        PRIORITY_BORDER[task.priority],
        isDragging ? 'opacity-40 z-50 shadow-lg' : 'hover:bg-surface-container-high',
        isDemo ? 'cursor-pointer' : 'cursor-grab active:cursor-grabbing',
      )}
      {...(!isDemo ? { ...attributes, ...listeners } : {})}
    >
      <div className="flex items-start justify-between gap-2">
        <p className="text-sm text-foreground leading-snug flex-1">{task.title}</p>
        {task.task_code && <CodeBadge code={task.task_code} className="shrink-0 mt-0.5" />}
      </div>
      <div className="flex items-center justify-between gap-2 mt-0.5">
        <p className="text-xs text-muted-foreground truncate">
          {task.story_code && <span className="font-mono mr-1">{task.story_code}</span>}
          {task.story_title}
        </p>
        {job && (
          <span
            className={cn(
              'text-[10px] px-1.5 py-0 rounded border flex items-center gap-1 shrink-0 cursor-pointer',
              JOB_STATUS_COLORS[job.status],
            )}
            onClick={(e) => { e.stopPropagation(); onClick() }}
            onKeyDown={(e) => {
              if (e.key === 'Enter' || e.key === ' ') {
                e.preventDefault()
                e.stopPropagation()
                onClick()
              }
            }}
            role="button"
            tabIndex={0}
            aria-label={`Agent-status: ${JOB_STATUS_LABELS[job.status]}`}
          >
            {JOB_STATUS_ACTIVE.has(job.status) && <Loader2 className="animate-spin" size={8} />}
            {JOB_STATUS_LABELS[job.status]}
          </span>
        )}
      </div>
    </div>
  )
}

export function SoloTaskCardOverlay({ task }: { task: SoloTask }) {
  return (
    <div
      className={cn(
        'bg-surface-container rounded border border-primary px-3 py-2 shadow-xl opacity-90',
        PRIORITY_BORDER[task.priority],
      )}
    >
      <div className="flex items-start justify-between gap-2">
        <p className="text-sm text-foreground leading-snug flex-1">{task.title}</p>
        {task.task_code && <CodeBadge code={task.task_code} className="shrink-0 mt-0.5" />}
      </div>
      <p className="text-xs text-muted-foreground mt-0.5 truncate">
        {task.story_code && <span className="font-mono mr-1">{task.story_code}</span>}
        {task.story_title}
      </p>
    </div>
  )
}