import { AlertTriangle, CheckCircle2, Info, Loader2, X, XCircle } from "lucide-react";
import type { ReactNode } from "react";
import { cn } from "@/shared/ui/cn";
import { Button } from "@/shared/ui/button";
import {
  StatusIcon as SemanticStatusIcon,
  type StatusTone
} from "@/shared/ui/status";
import {
  MAP_COMPACT_RADIUS_CLASS_NAME,
  MAP_ICON_CELL_RADIUS_CLASS_NAME,
  MAP_READABLE_RADIUS_CLASS_NAME
} from "./map-control-styles";
import type { MapNoticeOptions, MapNoticeTone } from "./notice-types";

const noticeTones = {
  info: "info",
  success: "success",
  warning: "warning",
  error: "danger",
  loading: "info"
} satisfies Record<MapNoticeTone, StatusTone>;

export function MapNoticeContent({
  title,
  message,
  tone = "info",
  actionLabel,
  onAction
}: MapNoticeOptions) {
  const Icon = getNoticeIcon(tone);

  return (
    <MapNoticeFrame tone={tone}>
      <MapNoticeIcon tone={tone} icon={Icon} />
      <MapNoticeBody
        title={title}
        message={message}
        action={
          actionLabel && onAction ? (
            <MapNoticeAction label={actionLabel} onClick={onAction} />
          ) : null
        }
      />
    </MapNoticeFrame>
  );
}

export function MapNoticeCloseIcon() {
  return (
    <>
      <span className="sr-only">关闭通知</span>
      <X size={15} aria-hidden="true" />
    </>
  );
}

function MapNoticeFrame({ tone, children }: { tone: MapNoticeTone; children: ReactNode }) {
  return (
    <div
      role={tone === "error" || tone === "warning" ? "alert" : "status"}
      className={cn(
        "glass-transient relative flex w-full items-start gap-2.5 overflow-hidden border py-2.5 pl-3 pr-10 text-sm text-slate-900",
        MAP_READABLE_RADIUS_CLASS_NAME,
      )}
    >
      {children}
    </div>
  );
}

function MapNoticeIcon({
  tone,
  icon: Icon
}: {
  tone: MapNoticeTone;
  icon: ReturnType<typeof getNoticeIcon>;
}) {
  return (
    <SemanticStatusIcon
      tone={noticeTones[tone]}
      activity={tone === "loading" ? "loading" : "static"}
      size="md"
      className={cn("mt-0.5", MAP_ICON_CELL_RADIUS_CLASS_NAME)}
    >
      <Icon size={17} />
    </SemanticStatusIcon>
  );
}

function MapNoticeBody({
  title,
  message,
  action
}: {
  title?: string;
  message: string;
  action?: ReactNode;
}) {
  return (
    <span className="min-w-0 flex-1">
      {title ? (
        <span className="block text-sm font-semibold leading-5 text-slate-950">{title}</span>
      ) : null}
      <span className={cn("block text-sm leading-5 text-slate-600", title && "mt-0.5")}>
        {message}
      </span>
      {action}
    </span>
  );
}

function MapNoticeAction({ label, onClick }: { label: string; onClick: () => void }) {
  return (
    <Button
      type="button"
      onClick={onClick}
      size="sm"
      variant="outline"
      className={cn("mt-2 border-blue-100 bg-blue-50 text-blue-700", MAP_COMPACT_RADIUS_CLASS_NAME)}
    >
      {label}
    </Button>
  );
}

function getNoticeIcon(tone: MapNoticeTone) {
  if (tone === "success") {
    return CheckCircle2;
  }

  if (tone === "warning") {
    return AlertTriangle;
  }

  if (tone === "error") {
    return XCircle;
  }

  if (tone === "loading") {
    return Loader2;
  }

  return Info;
}