"use client";

import Link from "next/link";
import type { Campaign, Map, Media, User } from "@/payload-types";
import { cn } from "@/lib/utils";
import {
  operationTypeColors,
  operationTypeLabels,
  statusColors,
} from "@/lib/intelligence/missionColors";
import {
  Item,
  ItemContent,
  ItemDescription,
  ItemHeader,
  ItemMedia,
  ItemTitle,
} from "@/components/ui/item";
import {
  CalendarDaysIcon,
  ChevronRightIcon,
  ClockIcon,
  CrosshairIcon,
  MapPinIcon,
  UserIcon,
  UsersIcon,
} from "lucide-react";

export interface MissionCardProps {
  readonly mission: {
    readonly id: number;
    readonly name: string;
    readonly codeName: string;
    readonly summary: string;
    readonly operationType: "main" | "side" | "external";
    readonly classification: {
      readonly missionType: "Zeus" | "PvE" | "PvP" | "PvPvE" | "Training" | "Special";
      readonly startDateTime: string;
      readonly estimatedDuration: number;
      readonly map: number | Map;
      readonly campaign?: number | Campaign | null;
    };
    readonly ownershipAndStatus: {
      readonly status:
        | "Concept"
        | "Planning"
        | "Ready"
        | "Scheduled"
        | "Active"
        | "Completed"
        | "Cancelled";
    };
    readonly missionRoles?: {
      readonly maxPlayers: number;
    } | null;
    readonly createdBy?: number | User | null;
    readonly coverImage?: number | Media | null;
  };
  readonly variant?: "default" | "image";
  readonly showFullDetails?: boolean;
}

export function MissionCard({
  mission,
  variant,
  showFullDetails = false,
}: MissionCardProps) {
  const resolvedVariant = variant ?? (mission.coverImage ? "image" : "default");
  const coverImage =
    typeof mission.coverImage === "object" && mission.coverImage !== null
      ? mission.coverImage
      : null;
  const coverImageUrl = coverImage?.url ?? null;
  const map =
    typeof mission.classification.map === "object" && mission.classification.map !== null
      ? mission.classification.map
      : null;
  const campaign =
    typeof mission.classification.campaign === "object" && mission.classification.campaign !== null
      ? mission.classification.campaign
      : null;
  const createdByUser =
    typeof mission.createdBy === "object" && mission.createdBy !== null
      ? mission.createdBy
      : null;
  const hostLabel = createdByUser ? (createdByUser.displayName || createdByUser.username) : null;
  const showHost = mission.operationType === "side" && hostLabel !== null;

  const startDate = new Date(mission.classification.startDateTime);
  const dateStr = startDate.toLocaleDateString("en-US", {
    weekday: "short",
    month: "short",
    day: "numeric",
  });
  const timeStr = startDate.toLocaleTimeString("en-US", {
    hour: "2-digit",
    minute: "2-digit",
  });
  const durationHours = Math.floor(mission.classification.estimatedDuration / 60);
  const durationMinutes = mission.classification.estimatedDuration % 60;
  const durationLabel =
    durationMinutes > 0 ? `${durationHours}h ${durationMinutes}m` : `${durationHours}h`;
  const imageCard = resolvedVariant === "image" && coverImageUrl !== null;

  return (
    <Link
      href={`/intelligence/missions/${mission.id}`}
      className="block rounded-md focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background"
    >
      <Item
        variant="outline"
        className={cn(
          "group relative cursor-pointer overflow-hidden transition-all duration-200 hover:scale-[1.01] hover:[box-shadow:inset_0_2px_8px_rgba(255,255,255,0.33)]",
          imageCard &&
            "border border-transparent hover:border-white/75",
        )}
      >
        {resolvedVariant === "image" && coverImageUrl !== null && (
          <div className="pointer-events-none absolute inset-0 overflow-hidden opacity-25 after:absolute after:inset-0 after:z-10 after:bg-linear-0 after:bg-linear-180 after:from-transparent after:to-black/42 after:transition-opacity group-hover:after:opacity-0">
            <img
              src={coverImageUrl}
              alt=""
              aria-hidden="true"
              className="h-full w-full aspect-video object-cover object-center"
            />
          </div>
        )}
        <ItemHeader className="relative z-20">
          <div className="flex items-center gap-2">
            <ItemMedia variant="icon">
              <CrosshairIcon />
            </ItemMedia>
            <ItemTitle className="flex flex-col items-start text-start">
              <span className="font-mono text-xs text-muted-foreground">{mission.codeName}</span>
              <span>{mission.name}</span>
            </ItemTitle>
          </div>
          <div className="flex items-center gap-2">
            <span
              className={`text-[10px] font-semibold uppercase tracking-wider px-1.5 py-0.5 rounded ${operationTypeColors[mission.operationType] ?? "bg-muted text-muted-foreground"}`}
            >
              {operationTypeLabels[mission.operationType] ?? mission.operationType} Operation
            </span>
            <span
              className={`text-[10px] font-semibold uppercase tracking-wider px-1.5 py-0.5 rounded ${statusColors[mission.ownershipAndStatus.status] ?? "bg-muted text-muted-foreground"}`}
            >
              {mission.ownershipAndStatus.status}
            </span>
          </div>
        </ItemHeader>
        <ItemContent className="relative z-20 w-full">
          <ItemDescription className={showFullDetails ? "line-clamp-2" : "line-clamp-1"}>
            {mission.summary}
          </ItemDescription>
          <div className="flex flex-wrap items-center gap-x-4 gap-y-1.5 text-xs text-muted-foreground">
            <span className="flex items-center gap-1">
              <CalendarDaysIcon className="size-3" />
              {dateStr} at {timeStr}
            </span>
            {showFullDetails && (
              <span className="flex items-center gap-1">
                <ClockIcon className="size-3" />
                {durationLabel}
              </span>
            )}
            {map && (
              <span className="flex items-center gap-1">
                <MapPinIcon className="size-3" />
                {map.name}
              </span>
            )}
            {mission.missionRoles?.maxPlayers && (
              <span className="flex items-center gap-1">
                <UsersIcon className="size-3" />
                {mission.missionRoles.maxPlayers} slots
              </span>
            )}
            {showHost && (
              <span className="flex items-center gap-1">
                <UserIcon className="size-3" />
                Hosted by {hostLabel}
              </span>
            )}
            {campaign && <span className="text-primary">{campaign.name}</span>}
          </div>
        </ItemContent>
        <span className="relative z-20 flex items-center gap-1 text-xs text-muted-foreground transition-colors group-hover:text-primary">
          View details <ChevronRightIcon className="size-3" />
        </span>
      </Item>
    </Link>
  );
}