/**
 * Upcoming Deadlines Section Component
 * Displays upcoming deadlines with pagination
 */

import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
import { Badge } from '@/components/ui/badge';
import { Progress } from '@/components/ui/progress';
import { Calendar as CalendarIcon } from 'lucide-react';
import { UpcomingDeadline } from '@/services/dashboard.service';
import { Pagination } from '@/components/common/Pagination';
import { formatHoursMinutes } from '@/utils/slaTracker';

interface UpcomingDeadlinesSectionProps {
  isAdmin: boolean;
  upcomingDeadlines: UpcomingDeadline[];
  pagination: {
    page: number;
    totalPages: number;
    totalRecords: number;
  };
  onPageChange: (page: number) => void;
  onNavigate?: (path: string) => void;
}

export function UpcomingDeadlinesSection({
  isAdmin,
  upcomingDeadlines,
  pagination,
  onPageChange,
  onNavigate,
}: UpcomingDeadlinesSectionProps) {
  if (upcomingDeadlines.length === 0) return null;

  return (
    <Card className="shadow-md hover:shadow-lg transition-shadow" data-testid="upcoming-deadlines-section">
      <CardHeader>
        <div className="flex items-center justify-between gap-2">
          <div className="flex items-center gap-2">
            <CalendarIcon className="h-4 w-4 sm:h-5 sm:w-5 text-orange-600" />
            <div>
              <CardTitle className="text-base sm:text-lg">Upcoming Deadlines</CardTitle>
              <CardDescription className="text-xs sm:text-sm">
                {isAdmin ? 'Current active levels organization-wide' : 'Requests awaiting your approval'}
              </CardDescription>
            </div>
          </div>
        </div>
      </CardHeader>
      <CardContent>
        <div className="space-y-2 sm:space-y-3">
          {upcomingDeadlines.map((deadline, idx) => {
            const tatPercentage = Number(deadline.tatPercentageUsed) || 0;
            const elapsedHours = Number(deadline.elapsedHours) || 0;
            const remainingHours = Number(deadline.remainingHours) || 0;

            return (
              <div
                key={idx}
                className="p-3 sm:p-4 border rounded-lg hover:shadow-md transition-all cursor-pointer"
                onClick={() => onNavigate?.(`request/${deadline.requestNumber}`)}
                data-testid={`deadline-item-${deadline.requestNumber}`}
              >
                <div className="flex items-start justify-between gap-2 mb-2">
                  <div className="flex-1 min-w-0">
                    <div className="flex items-center gap-1 sm:gap-2 mb-1 flex-wrap">
                      <span className="font-semibold text-xs sm:text-sm">{deadline.requestNumber}</span>
                      <Badge
                        variant="outline"
                        className={`text-xs ${
                          deadline.priority === 'express' ? 'bg-orange-50 text-orange-700' : 'bg-blue-50 text-blue-700'
                        }`}
                      >
                        {deadline.priority}
                      </Badge>
                    </div>
                    <p className="text-xs sm:text-sm text-muted-foreground truncate">{deadline.requestTitle}</p>
                    <div className="flex items-center gap-2 mt-1 text-xs text-muted-foreground flex-wrap">
                      <Badge variant="outline" className="text-xs bg-blue-50 text-blue-700 border-blue-200">
                        Level {deadline.levelNumber || '?'}/{(deadline as any).totalLevels || '?'}
                      </Badge>
                      <span className="truncate">{deadline.approverName}</span>
                    </div>
                  </div>
                  <div className="text-right flex-shrink-0">
                    <p className="text-xs text-muted-foreground">TAT Used</p>
                    <p
                      className={`text-base sm:text-lg font-bold ${
                        tatPercentage >= 80 ? 'text-red-600' : tatPercentage >= 50 ? 'text-orange-600' : 'text-green-600'
                      }`}
                    >
                      {tatPercentage.toFixed(0)}%
                    </p>
                  </div>
                </div>
                <div className="space-y-1">
                  <Progress
                    value={tatPercentage}
                    className={`h-1.5 sm:h-2 ${
                      tatPercentage >= 80 ? 'bg-red-100' : tatPercentage >= 50 ? 'bg-orange-100' : 'bg-green-100'
                    }`}
                  />
                  <div className="flex justify-between text-xs text-muted-foreground">
                    <span>{formatHoursMinutes(elapsedHours)} elapsed</span>
                    <span>{formatHoursMinutes(remainingHours)} left</span>
                  </div>
                </div>
              </div>
            );
          })}
        </div>

        {/* Pagination for Upcoming Deadlines */}
        <div className="mt-4">
          <Pagination
            currentPage={pagination.page}
            totalPages={pagination.totalPages}
            totalRecords={pagination.totalRecords}
            itemsPerPage={10}
            onPageChange={onPageChange}
            itemLabel="deadlines"
            testIdPrefix="dashboard-deadlines-pagination"
          />
        </div>
      </CardContent>
    </Card>
  );
}