"use client";

import { useTranslation } from "react-i18next";

import { ConfigChip, ConfigChipGroup } from "@/modules/config/config-chip-group";
import {
  Select,
  SelectContent,
  SelectGroup,
  SelectItem,
  SelectLabel,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import {
  buildOddsPlayFilterGroups,
  filterOddsPlayTypesByCategory,
  type OddsCategoryTab,
} from "@/modules/config/doc/odds-play-type-groups";
import { resolveAdminPlayTypeDisplayName } from "@/lib/admin-play-types";
import { cn } from "@/lib/utils";
import type { AdminPlayTypeRow } from "@/types/api/admin-config";

const PLAY_SELECT_NONE = "__none__";

type OddsConfigPlayNavProps = {
  catTab: OddsCategoryTab;
  onCatTabChange: (tab: OddsCategoryTab) => void;
  onPlayCodeChange: (code: string) => void;
  types: AdminPlayTypeRow[];
  resolvedPlayCode: string;
  className?: string;
};

export function OddsConfigPlayNav({
  catTab,
  onCatTabChange,
  onPlayCodeChange,
  types,
  resolvedPlayCode,
  className,
}: OddsConfigPlayNavProps) {
  const { t, i18n } = useTranslation("config");

  const catTabs = [
    { id: "all" as const, label: t("odds.tabs.all") },
    { id: "d4" as const, label: "4D" },
    { id: "d3" as const, label: "3D" },
    { id: "d2" as const, label: "2D" },
  ];

  const filteredTypes = filterOddsPlayTypesByCategory(catTab, types);
  const playGroups = buildOddsPlayFilterGroups(catTab, types);
  const playSelectValue = resolvedPlayCode || PLAY_SELECT_NONE;

  const playLabel = (code: string): string => {
    const row = types.find((item) => item.play_code === code);
    return resolveAdminPlayTypeDisplayName(code, i18n.language, row);
  };

  return (
    <div className={cn("space-y-4", className)}>
      <ConfigChipGroup label={t("odds.category")}>
        {catTabs.map((tab) => (
          <ConfigChip
            key={tab.id}
            active={catTab === tab.id}
            onClick={() => onCatTabChange(tab.id)}
          >
            {tab.label}
          </ConfigChip>
        ))}
      </ConfigChipGroup>

      {/* 小屏：下拉快速切换玩法 */}
      <div className="space-y-1.5 lg:hidden">
        <p className="text-sm font-medium">{t("odds.playType")}</p>
        <Select
          modal={false}
          value={playSelectValue}
          onValueChange={(value) => {
            if (value != null && value !== PLAY_SELECT_NONE) {
              onPlayCodeChange(value);
            }
          }}
          disabled={filteredTypes.length === 0}
        >
          <SelectTrigger className="h-9 w-full">
            <SelectValue>
              {(v) => {
                const code = v == null || v === "" || v === PLAY_SELECT_NONE ? "" : String(v);
                return code ? playLabel(code) : t("odds.playSelectPlaceholder");
              }}
            </SelectValue>
          </SelectTrigger>
          <SelectContent>
            {playGroups.length > 0 ? (
              playGroups.map((group) => (
                <SelectGroup key={group.key}>
                  <SelectLabel>{t(`odds.playGroups.${group.key}`)}</SelectLabel>
                  {group.types.map((type) => (
                    <SelectItem key={type.play_code} value={type.play_code}>
                      {playLabel(type.play_code)}
                    </SelectItem>
                  ))}
                </SelectGroup>
              ))
            ) : (
              <SelectItem value={PLAY_SELECT_NONE} disabled>
                {t("odds.noPlayTypes")}
              </SelectItem>
            )}
          </SelectContent>
        </Select>
      </div>

      {/* 大屏：侧栏玩法列表，点选即切换 */}
      <nav className="hidden lg:block" aria-label={t("odds.playType")}>
        <p className="mb-2 text-sm font-medium">{t("odds.playType")}</p>
        {filteredTypes.length === 0 ? (
          <p className="text-sm text-muted-foreground">{t("odds.noPlayTypes")}</p>
        ) : (
          <div className="max-h-[min(28rem,calc(100vh-16rem))] space-y-4 overflow-y-auto pr-1">
            {playGroups.map((group) => (
              <div key={group.key} className="space-y-1">
                <p className="px-2 text-xs font-medium text-muted-foreground">
                  {t(`odds.playGroups.${group.key}`)}
                </p>
                <ul className="space-y-0.5">
                  {group.types.map((type) => {
                    const active = resolvedPlayCode === type.play_code;
                    return (
                      <li key={type.play_code}>
                        <button
                          type="button"
                          className={cn(
                            "w-full rounded-md px-2.5 py-2 text-left text-sm transition-colors",
                            active
                              ? "bg-muted font-medium text-foreground"
                              : "text-foreground hover:bg-muted/60",
                          )}
                          onClick={() => onPlayCodeChange(type.play_code)}
                          aria-current={active ? "true" : undefined}
                        >
                          {playLabel(type.play_code)}
                        </button>
                      </li>
                    );
                  })}
                </ul>
              </div>
            ))}
          </div>
        )}
      </nav>
    </div>
  );
}
