"use client";

import { useMemo, useState } from "react";
import type { Asset, LockerStorage, MarketListing, MarketNegotiation } from "@/payload-types";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { RARITY_LABELS } from "@/lib/market";
import { ListingCard } from "@/components/frontend/market/ListingCard";
import { CreateListingDialog } from "@/components/frontend/market/CreateListingDialog";
import { NegotiationPanel } from "@/components/frontend/market/NegotiationPanel";
import { SearchIcon } from "lucide-react";

const ASSET_TYPE_OPTIONS: { value: string; label: string }[] = [
  { value: "weapon", label: "Weapon" },
  { value: "magazine", label: "Magazine" },
  { value: "optic", label: "Optic" },
  { value: "muzzle", label: "Muzzle" },
  { value: "bipod", label: "Bipod" },
  { value: "uniform", label: "Uniform" },
  { value: "vest", label: "Vest" },
  { value: "backpack", label: "Backpack" },
  { value: "helmet", label: "Helmet" },
  { value: "facewear", label: "Facewear" },
  { value: "nvg", label: "NVG" },
  { value: "radio", label: "Radio" },
  { value: "medical", label: "Medical" },
  { value: "tool", label: "Tool" },
  { value: "explosive", label: "Explosive" },
  { value: "skin", label: "Skin" },
  { value: "miscellaneous", label: "Miscellaneous" },
];

const RARITY_OPTIONS = Object.entries(RARITY_LABELS);

function assetName(listing: MarketListing): string {
  const asset = listing.asset as Asset;
  return typeof asset === "object" && asset ? asset.name.toLowerCase() : "";
}

function assetTypeOf(listing: MarketListing): string | null {
  const asset = listing.asset as Asset;
  return typeof asset === "object" && asset ? asset.assetType : null;
}

function rarityOf(listing: MarketListing): string | null {
  const asset = listing.asset as Asset;
  return typeof asset === "object" && asset ? (asset.marketTrading?.Rarity ?? null) : null;
}

interface MarketViewProps {
  listings: MarketListing[];
  myListings: MarketListing[];
  negotiations: MarketNegotiation[];
  locker: LockerStorage | null;
  currentUserId: number;
  currencyLabel: string | null;
  isManager: boolean;
}

export function MarketView({
  listings,
  myListings,
  negotiations,
  locker,
  currentUserId,
  currencyLabel,
  isManager,
}: MarketViewProps) {
  const [search, setSearch] = useState("");
  const [rarity, setRarity] = useState("all");
  const [assetType, setAssetType] = useState("all");

  const filtered = useMemo(() => {
    const q = search.trim().toLowerCase();
    const myIds = new Set(myListings.map((l) => l.id));
    return listings.filter((listing) => {
      if (myIds.has(listing.id)) return false;
      if (rarity !== "all" && rarityOf(listing) !== rarity) return false;
      if (assetType !== "all" && assetTypeOf(listing) !== assetType) return false;
      if (q && !assetName(listing).includes(q)) return false;
      return true;
    });
  }, [listings, myListings, search, rarity, assetType]);

  return (
    <div className="flex flex-col gap-8">
      <div className="flex flex-wrap items-end justify-between gap-3">
        <div className="flex flex-wrap items-end gap-3">
          <div className="flex flex-col gap-1.5">
            <Label>Search</Label>
            <div className="relative">
              <SearchIcon className="pointer-events-none absolute left-2.5 top-1/2 size-4 -translate-y-1/2 text-muted-foreground" />
              <Input
                className="pl-8"
                placeholder="Search items..."
                value={search}
                onChange={(e) => setSearch(e.target.value)}
              />
            </div>
          </div>
          <div className="flex flex-col gap-1.5">
            <Label>Rarity</Label>
            <Select value={rarity} onValueChange={setRarity}>
              <SelectTrigger className="w-40">
                <SelectValue />
              </SelectTrigger>
              <SelectContent>
                <SelectItem value="all">All rarities</SelectItem>
                {RARITY_OPTIONS.map(([value, label]) => (
                  <SelectItem key={value} value={value}>
                    {label}
                  </SelectItem>
                ))}
              </SelectContent>
            </Select>
          </div>
          <div className="flex flex-col gap-1.5">
            <Label>Type</Label>
            <Select value={assetType} onValueChange={setAssetType}>
              <SelectTrigger className="w-40">
                <SelectValue />
              </SelectTrigger>
              <SelectContent>
                <SelectItem value="all">All types</SelectItem>
                {ASSET_TYPE_OPTIONS.map((o) => (
                  <SelectItem key={o.value} value={o.value}>
                    {o.label}
                  </SelectItem>
                ))}
              </SelectContent>
            </Select>
          </div>
        </div>
        <CreateListingDialog locker={locker} currencyLabel={currencyLabel} />
      </div>

      <section className="flex flex-col gap-3">
        <div className="flex items-center gap-2">
          <h2 className="text-sm font-semibold uppercase tracking-wider text-muted-foreground">
            For sale
          </h2>
          <span className="text-xs text-muted-foreground">
            {filtered.length} listing{filtered.length !== 1 ? "s" : ""}
          </span>
        </div>
        {filtered.length === 0 ? (
          <p className="text-sm text-muted-foreground italic">
            No listings match. Try clearing the filters.
          </p>
        ) : (
          <div className="grid grid-cols-1 sm:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4 gap-3">
            {filtered.map((listing) => (
              <ListingCard
                key={listing.id}
                listing={listing}
                currentUserId={currentUserId}
                currencyLabel={currencyLabel}
                canManage={isManager}
              />
            ))}
          </div>
        )}
      </section>

      <NegotiationPanel
        negotiations={negotiations}
        currentUserId={currentUserId}
        currencyLabel={currencyLabel}
      />

      {myListings.length > 0 && (
        <section className="flex flex-col gap-3">
          <div className="flex items-center gap-2">
            <h2 className="text-sm font-semibold uppercase tracking-wider text-muted-foreground">
              My listings
            </h2>
            <span className="text-xs text-muted-foreground">{myListings.length} active</span>
          </div>
          <div className="grid grid-cols-1 sm:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4 gap-3">
            {myListings.map((listing) => (
              <ListingCard
                key={listing.id}
                listing={listing}
                currentUserId={currentUserId}
                currencyLabel={currencyLabel}
                canManage={isManager}
              />
            ))}
          </div>
        </section>
      )}
    </div>
  );
}