'use client'

import Link from 'next/link'
import type { Route } from 'next'
import {
  Zap,
  AlertTriangle,
  AlertCircle,
  Info,
  ChevronRight,
  CheckCircle2,
} from 'lucide-react'
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
import { Badge } from '@/components/ui/badge'
import { cn } from '@/lib/utils'

export type DashboardAction = {
  id: string
  severity: 'critical' | 'warning' | 'info'
  title: string
  description: string
  href: string
  roundId?: string
  roundType?: string
  count?: number
}

type SmartActionsProps = {
  actions: DashboardAction[]
}

const severityOrder: Record<DashboardAction['severity'], number> = {
  critical: 0,
  warning: 1,
  info: 2,
}

const severityConfig = {
  critical: {
    icon: AlertTriangle,
    iconClass: 'text-red-600',
    bgClass: 'bg-red-50 dark:bg-red-950/30',
    borderClass: 'border-l-red-500',
  },
  warning: {
    icon: AlertCircle,
    iconClass: 'text-amber-600',
    bgClass: 'bg-amber-50 dark:bg-amber-950/30',
    borderClass: 'border-l-amber-500',
  },
  info: {
    icon: Info,
    iconClass: 'text-blue-600',
    bgClass: 'bg-blue-50 dark:bg-blue-950/30',
    borderClass: 'border-l-blue-500',
  },
}

export function SmartActions({ actions }: SmartActionsProps) {
  const sorted = [...actions].sort(
    (a, b) => severityOrder[a.severity] - severityOrder[b.severity]
  )

  return (
    <Card>
      <CardHeader className="flex flex-row items-center gap-3 space-y-0 pb-4">
        <div className="flex h-9 w-9 items-center justify-center rounded-lg bg-amber-100 dark:bg-amber-900/40">
          <Zap className="h-5 w-5 text-amber-600 dark:text-amber-400" />
        </div>
        <CardTitle className="flex-1">Action Required</CardTitle>
        {actions.length > 0 && (
          <Badge variant="warning">{actions.length}</Badge>
        )}
      </CardHeader>
      <CardContent>
        {sorted.length === 0 ? (
          <div className="flex flex-col items-center justify-center py-8 text-center">
            <div className="flex h-12 w-12 items-center justify-center rounded-full bg-emerald-100 dark:bg-emerald-900/40">
              <CheckCircle2 className="h-6 w-6 text-emerald-600 dark:text-emerald-400" />
            </div>
            <p className="mt-3 text-sm font-medium text-muted-foreground">
              All caught up!
            </p>
          </div>
        ) : (
          <div className="space-y-2">
            {sorted.map((action) => {
              const config = severityConfig[action.severity]
              const Icon = config.icon

              return (
                <Link
                  key={action.id}
                  href={action.href as Route}
                  className={cn(
                    'flex items-center gap-3 rounded-lg border-l-2 px-3 py-2.5 transition-colors hover:opacity-80',
                    config.bgClass,
                    config.borderClass
                  )}
                >
                  <Icon className={cn('h-4 w-4 shrink-0', config.iconClass)} />
                  <div className="min-w-0 flex-1">
                    <p className="text-sm font-medium leading-tight">
                      {action.title}
                    </p>
                    <p className="text-xs text-muted-foreground">
                      {action.description}
                    </p>
                  </div>
                  <ChevronRight className="h-4 w-4 shrink-0 text-muted-foreground" />
                </Link>
              )
            })}
          </div>
        )}
      </CardContent>
    </Card>
  )
}