'use client';

import React, { useState } from 'react';
import { Building } from 'lucide-react';
import { Stack } from '@/ui/Stack';
import { Text } from '@/ui/Text';
import { Heading } from '@/ui/Heading';
import { Icon } from '@/ui/Icon';
import { Badge } from '@/ui/Badge';
import { SponsorshipRequestItem } from '@/components/sponsors/SponsorshipRequestItem';

export interface PendingRequestDTO {
  id: string;
  sponsorId: string;
  sponsorName: string;
  sponsorLogo?: string | undefined;
  tier: string;
  offeredAmount: number;
  currency: string;
  formattedAmount: string;
  message?: string | undefined;
  createdAt: string | Date;
  platformFee: number;
  netAmount: number;
}

interface PendingSponsorshipRequestsProps {
  entityType: 'driver' | 'team' | 'race' | 'season';
  entityId: string;
  entityName: string;
  requests: PendingRequestDTO[];
  onAccept: (requestId: string) => Promise<void>;
  onReject: (requestId: string, reason?: string) => Promise<void>;
  isLoading?: boolean;
}

export function PendingSponsorshipRequests({
  entityType,
  requests,
  onAccept,
  onReject,
  isLoading = false,
}: PendingSponsorshipRequestsProps) {
  const [processingId, setProcessingId] = useState<string | null>(null);
  const [rejectModalId, setRejectModalId] = useState<string | null>(null);
  const [rejectReason, setRejectReason] = useState('');

  const handleAccept = async (requestId: string) => {
    setProcessingId(requestId);
    try {
      await onAccept(requestId);
    } finally {
      setProcessingId(null);
    }
  };

  const handleReject = async (requestId: string) => {
    setProcessingId(requestId);
    try {
      await onReject(requestId, rejectReason || undefined);
      setRejectModalId(null);
      setRejectReason('');
    } finally {
      setProcessingId(null);
    }
  };

  if (isLoading) {
    return (
      <Stack textAlign="center" py={8}>
        <Text color="text-gray-400" animate="pulse">Loading sponsorship requests...</Text>
      </Stack>
    );
  }

  if (requests.length === 0) {
    return (
      <Stack textAlign="center" py={8}>
        <Stack w="12" h="12" mx="auto" mb={3} rounded="full" bg="bg-iron-gray/50" display="flex" alignItems="center" justifyContent="center">
          <Icon icon={Building} size={6} color="rgb(115, 115, 115)" />
        </Stack>
        <Text color="text-gray-400" size="sm" block>No pending sponsorship requests</Text>
        <Text color="text-gray-500" size="xs" mt={1} block>
          When sponsors apply to sponsor this {entityType}, their requests will appear here. Sponsorships are attached to seasons, so you can change partners from season to season.
        </Text>
      </Stack>
    );
  }

  return (
    <Stack gap={4}>
      <Stack display="flex" alignItems="center" justifyContent="between">
        <Heading level={3}>Sponsorship Requests</Heading>
        <Badge variant="primary">
          {requests.length} pending
        </Badge>
      </Stack>

      <Stack gap={3}>
        {requests.map((request) => (
          <SponsorshipRequestItem
            key={request.id}
            sponsorName={request.sponsorName}
            sponsorLogo={request.sponsorLogo}
            tier={request.tier}
            formattedAmount={request.formattedAmount}
            netAmount={request.netAmount}
            createdAt={typeof request.createdAt === 'string' ? new Date(request.createdAt) : request.createdAt}
            message={request.message}
            isProcessing={processingId === request.id}
            isRejecting={rejectModalId === request.id}
            rejectReason={rejectReason}
            onAccept={() => handleAccept(request.id)}
            onRejectClick={() => setRejectModalId(request.id)}
            onRejectConfirm={() => handleReject(request.id)}
            onRejectCancel={() => {
              setRejectModalId(null);
              setRejectReason('');
            }}
            onRejectReasonChange={setRejectReason}
          />
        ))}
      </Stack>

      <Stack mt={4}>
        <Text size="xs" color="text-gray-500" block>
          <Text weight="bold" color="text-gray-400">Note:</Text> Accepting a request will activate the sponsorship.
          The sponsor will be charged per season and you&apos;ll receive the payment minus 10% platform fee.
        </Text>
      </Stack>
    </Stack>
  );
}
