import { CalendarCheck2, ImageIcon, MapPin, Smartphone } from 'lucide-react';

import DetectionLocationMap from '@/components/map/detectionLocationMap';
import { Badge } from '@/components/ui/badge';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import AnnotatedDetectionImage from '@/components/video/annotatedDetectionImage';
import { cn } from '@/lib/utils';
import type { DetectionResultItem } from '@/types';
import { formatDate } from '@/utils/date';

import { RepairProofGallery } from '../../components/repair/RepairProofGallery';
import { formatVideoTimestamp, type IssueReviewStatus } from './reviewTypes';

const REVIEW_STATUS_LABEL: Record<IssueReviewStatus, string> = {
  not_submitted: 'Awaiting Repair',
  pending: 'Under Review',
  approved: 'Approved',
  rejected: 'Rejected',
};

const REVIEW_STATUS_CLASS: Record<IssueReviewStatus, string> = {
  not_submitted: 'bg-zinc-500/10 text-zinc-600 dark:text-zinc-300',
  pending: 'bg-violet-500/10 text-violet-600 dark:text-violet-400',
  approved: 'bg-emerald-500/10 text-emerald-600 dark:text-emerald-400',
  rejected: 'bg-destructive/10 text-destructive',
};

function MetadataItem({
  label,
  value,
}: {
  label: string;
  value: React.ReactNode;
}) {
  return (
    <div className="min-w-0 space-y-1 px-4 first:pl-0 last:pr-0">
      <p className="text-xs text-muted-foreground">{label}</p>
      <div className="truncate text-sm font-semibold text-foreground">
        {value}
      </div>
    </div>
  );
}

interface IssueEvidencePanelProps {
  detection: DetectionResultItem;
  issueNumber: number;
  videoWidth: number;
  videoHeight: number;
  reviewStatus: IssueReviewStatus;
}

export function IssueEvidencePanel({
  detection,
  issueNumber,
  videoWidth,
  videoHeight,
  reviewStatus,
}: IssueEvidencePanelProps) {
  const repairProof = detection.repair_proof;
  const displayName = detection.detection.display_name;
  const confidence = Math.round(detection.detection.confidence * 100);

  return (
    <div className="min-w-0 space-y-4">
      <Card>
        <CardHeader className="border-b">
          <div className="flex flex-wrap items-center justify-between gap-3">
            <CardTitle className="text-base">
              {displayName} #{issueNumber}
            </CardTitle>
            <Badge
              variant="secondary"
              className={cn(REVIEW_STATUS_CLASS[reviewStatus])}
            >
              {REVIEW_STATUS_LABEL[reviewStatus]}
            </Badge>
          </div>
        </CardHeader>
        <CardContent>
          <div className="grid grid-cols-2 divide-x sm:grid-cols-4">
            <MetadataItem
              label="Video Timestamp"
              value={formatVideoTimestamp(detection.frame.timestamp_seconds)}
            />
            <MetadataItem label="Frame" value={detection.frame.number} />
            <MetadataItem label="Confidence" value={`${confidence}%`} />
            <MetadataItem label="Issue ID" value={detection.detection.id} />
          </div>
        </CardContent>
      </Card>

      <div className="grid items-start gap-4 2xl:grid-cols-2">
        <section className="min-w-0 space-y-2">
          <p className="flex items-center gap-2 text-sm font-semibold">
            <ImageIcon className="size-4 text-primary" />
            Detection Image (Before)
          </p>
          <AnnotatedDetectionImage
            detection={detection}
            videoWidth={videoWidth}
            videoHeight={videoHeight}
            aspectRatio="16 / 9"
            enableLightbox
          />
        </section>

        <section className="min-w-0 space-y-2">
          <p className="flex items-center gap-2 text-sm font-semibold">
            <MapPin className="size-4 text-primary" />
            Detection Location
          </p>
          <DetectionLocationMap
            latitude={detection.location.latitude}
            longitude={detection.location.longitude}
            label={`${displayName} #${issueNumber} - Frame ${detection.frame.number}`}
            title=""
            variant="plain"
            aspectRatio="16 / 9"
            showCoordinates={false}
          />
        </section>
      </div>

      <section className="space-y-4">
        <div className="flex flex-wrap items-center justify-between gap-3">
          <p className="flex items-center gap-2 text-sm font-semibold">
            <CalendarCheck2 className="size-4 text-primary" />
            Repair Proof (After Repair)
          </p>
          {repairProof?.submitted ? (
            <Badge className="bg-emerald-500/10 text-emerald-600 dark:text-emerald-400">
              <Smartphone />
              Uploaded from App
            </Badge>
          ) : null}
        </div>
        <div className="space-y-5">
          {!repairProof?.submitted ? (
            <div className="rounded-lg border border-dashed bg-muted/20 px-4 py-10 text-center">
              <p className="text-sm font-medium">
                Repair proof is not submitted yet.
              </p>
              <p className="mt-1 text-xs text-muted-foreground">
                This issue cannot be reviewed until repair evidence is
                available.
              </p>
            </div>
          ) : (
            <>
              {repairProof.submitted_at ? (
                <div className="rounded-lg border border-emerald-500/20 bg-emerald-500/5 px-4 py-3">
                  <p className="text-sm font-semibold text-emerald-700 dark:text-emerald-300">
                    Uploaded from the field app on{' '}
                    {formatDate(repairProof.submitted_at)}
                  </p>
                </div>
              ) : null}

              <RepairProofGallery
                imageUrls={repairProof.proof_image_urls}
                maxVisibleImages={4}
              />

              <div className="space-y-1.5 rounded-lg border bg-card p-4 shadow-xs">
                <p className="text-xs font-semibold text-foreground">
                  Repair Notes
                </p>
                <p className="text-sm leading-relaxed whitespace-pre-wrap text-muted-foreground">
                  {repairProof.notes?.trim() ||
                    'No repair notes were provided.'}
                </p>
              </div>
            </>
          )}
        </div>
      </section>
    </div>
  );
}