'use client';

import { useState } from 'react';
import { Modal } from '@/ui/Modal';
import { Button } from '@/ui/Button';
import { Box } from '@/ui/Box';
import { Text } from '@/ui/Text';
import { Stack } from '@/ui/Stack';
import { Icon } from '@/ui/Icon';
import { InfoBox } from '@/ui/InfoBox';
import { Input } from '@/ui/Input';
import { TextArea } from '@/ui/TextArea';
import { Select } from '@/ui/Select';
import { useFileProtest } from "@/hooks/race/useFileProtest";
import {
  AlertTriangle,
  CheckCircle2,
} from 'lucide-react';

export interface ProtestParticipant {
  id: string;
  name: string;
}

interface FileProtestModalProps {
  isOpen: boolean;
  onClose: () => void;
  raceId: string;
  leagueId?: string;
  protestingDriverId: string;
  participants: ProtestParticipant[];
}

export function FileProtestModal({
  isOpen,
  onClose,
  raceId,
  protestingDriverId,
  participants,
}: FileProtestModalProps) {
  const fileProtestMutation = useFileProtest();
  const [errorMessage, setErrorMessage] = useState<string | null>(null);
  
  // Form state
  const [accusedDriverId, setAccusedDriverId] = useState<string>('');
  const [lap, setLap] = useState<string>('');
  const [timeInRace, setTimeInRace] = useState<string>('');
  const [description, setDescription] = useState<string>('');
  const [comment, setComment] = useState<string>('');
  const [proofVideoUrl, setProofVideoUrl] = useState<string>('');

  const otherParticipants = participants.filter(p => p.id !== protestingDriverId);

  const handleSubmit = async () => {
    if (!accusedDriverId || !lap || !description) {
      setErrorMessage('Please fill in all required fields');
      return;
    }

    try {
      setErrorMessage(null);

      fileProtestMutation.mutate({
        raceId,
        protestingDriverId,
        accusedDriverId,
        incident: {
          lap: parseInt(lap, 10),
          description,
          timeInRace: timeInRace ? parseInt(timeInRace, 10) : undefined,
        },
        comment,
        proofVideoUrl,
      }, {
        onSuccess: () => {
          // Reset form state on success
          setAccusedDriverId('');
          setLap('');
          setTimeInRace('');
          setDescription('');
          setComment('');
          setProofVideoUrl('');
        },
        onError: (error: Error) => {
          setErrorMessage(error.message || 'Failed to file protest');
        },
      });
    } catch (error) {
      const errorMessage = error instanceof Error ? error.message : 'Failed to validate protest input';
      setErrorMessage(errorMessage);
    }
  };

  const handleClose = () => {
    // Reset form state
    setErrorMessage(null);
    setAccusedDriverId('');
    setLap('');
    setTimeInRace('');
    setDescription('');
    setComment('');
    setProofVideoUrl('');
    fileProtestMutation.reset();
    onClose();
  };

  // Show success state when mutation is successful
  if (fileProtestMutation.isSuccess) {
    return (
      <Modal
        isOpen={isOpen}
        onOpenChange={handleClose}
        title="Protest Filed Successfully"
      >
        <Box display="flex" flexDirection="col" alignItems="center" py={6} textAlign="center">
          <Box p={4} bg="bg-performance-green/20" rounded="full" mb={4}>
            <Icon icon={CheckCircle2} size={8} color="rgb(16, 185, 129)" />
          </Box>
          <Text color="text-white" weight="medium" mb={2} block>Your protest has been submitted</Text>
          <Text size="sm" color="text-gray-400" mb={6} block>
            The stewards will review your protest and make a decision.
            You&apos;ll be notified of the outcome.
          </Text>
          <Button variant="primary" onClick={handleClose}>
            Close
          </Button>
        </Box>
      </Modal>
    );
  }

  return (
    <Modal
      isOpen={isOpen}
      onOpenChange={handleClose}
      title="File a Protest"
      description="Report an incident to the stewards for review. Please provide as much detail as possible."
    >
      <Stack gap={5}>
        {errorMessage && (
          <InfoBox 
            variant="warning"
            icon={AlertTriangle}
            title="Error"
            description={errorMessage}
          />
        )}

        {/* Driver Selection */}
        <Box>
          <Select
            label="Driver involved *"
            options={[
              { value: '', label: 'Select driver...' },
              ...otherParticipants.map(driver => ({ value: driver.id, label: driver.name }))
            ]}
            value={accusedDriverId}
            onChange={(e) => setAccusedDriverId(e.target.value)}
            disabled={fileProtestMutation.isPending}
          />
        </Box>

        {/* Lap and Time */}
        <Box display="grid" gridCols={2} gap={4}>
          <Input
            label="Lap number *"
            type="number"
            min="0"
            value={lap}
            onChange={(e) => setLap(e.target.value)}
            disabled={fileProtestMutation.isPending}
            placeholder="e.g. 5"
          />
          <Input
            label="Time (seconds)"
            type="number"
            min="0"
            value={timeInRace}
            onChange={(e) => setTimeInRace(e.target.value)}
            disabled={fileProtestMutation.isPending}
            placeholder="Optional"
          />
        </Box>

        {/* Incident Description */}
        <TextArea
          label="What happened? *"
          value={description}
          onChange={(e) => setDescription(e.target.value)}
          disabled={fileProtestMutation.isPending}
          placeholder="Describe the incident clearly and objectively..."
          rows={3}
        />

        {/* Additional Comment */}
        <TextArea
          label="Additional comment"
          value={comment}
          onChange={(e) => setComment(e.target.value)}
          disabled={fileProtestMutation.isPending}
          placeholder="Any additional context for the stewards..."
          rows={2}
        />

        {/* Video Proof */}
        <Box>
          <Input
            label="Video proof URL"
            type="url"
            value={proofVideoUrl}
            onChange={(e) => setProofVideoUrl(e.target.value)}
            disabled={fileProtestMutation.isPending}
            placeholder="https://youtube.com/... or https://streamable.com/..."
          />
          <Text size="xs" color="text-gray-500" mt={1.5} block>
            Providing video evidence significantly helps the stewards review your protest.
          </Text>
        </Box>

        {/* Info Box */}
        <Box p={3} bg="bg-iron-gray" rounded="lg" border borderColor="border-charcoal-outline">
          <Text size="xs" color="text-gray-400" block>
            <Text as="strong" color="text-gray-300">Note:</Text> Filing a protest does not guarantee action.
            The stewards will review the incident and may apply penalties ranging from time penalties
            to grid penalties for future races, depending on the severity.
          </Text>
        </Box>

        {/* Actions */}
        <Box display="flex" gap={3} pt={2}>
          <Button
            variant="secondary"
            onClick={handleClose}
            disabled={fileProtestMutation.isPending}
            fullWidth
          >
            Cancel
          </Button>
          <Button
            variant="primary"
            onClick={handleSubmit}
            disabled={fileProtestMutation.isPending}
            fullWidth
          >
            {fileProtestMutation.isPending ? 'Submitting...' : 'Submit Protest'}
          </Button>
        </Box>
      </Stack>
    </Modal>
  );
}