变形弹窗

"use client";

import { Ban, Lock, ScanFace, ScrollText, ShieldCheck, Trash2 } from "lucide-react";
import { useState } from "react";
import { MorphingModal } from "@/components/motion/morphing-modal";

type View = "options" | "private-key" | "recovery" | null;

export function MorphingModalPreview() {
  const [view, setView] = useState<View>(null);

  return (
    <div className="flex flex-col items-center gap-3">
      <button
        type="button"
        onClick={() => setView("options")}
        className="inline-flex h-10 items-center rounded-full border border-border bg-card px-5 text-sm font-medium text-foreground press hover:border-(--color-border-strong)"
      >
        Open wallet options
      </button>
      <p className="text-xs text-muted-foreground">Click a row. The modal morphs height to match new content.</p>

      <MorphingModal viewId={view} onClose={() => setView(null)}>
        {view === "options" ? (
          <Options
            onPrivateKey={() => setView("private-key")}
            onRecovery={() => setView("recovery")}
            onClose={() => setView(null)}
          />
        ) : view === "private-key" ? (
          <PrivateKey onBack={() => setView("options")} />
        ) : view === "recovery" ? (
          <Recovery onBack={() => setView("options")} />
        ) : null}
      </MorphingModal>
    </div>
  );
}

function Header({ title, onClose }: { title: string; onClose: () => void }) {
  return (
    <div className="mb-4 flex items-center justify-between">
      <h2 className="text-base font-semibold text-foreground">{title}</h2>
      <button
        type="button"
        onClick={onClose}
        aria-label="Close"
        className="inline-flex h-7 w-7 items-center justify-center rounded-full text-muted-foreground hover:bg-foreground/[0.06]"
      >
        ✕
      </button>
    </div>
  );
}

function Row({
  icon: Icon,
  label,
  destructive,
  onClick,
}: {
  icon: typeof Lock;
  label: string;
  destructive?: boolean;
  onClick: () => void;
}) {
  return (
    <button
      type="button"
      onClick={onClick}
      className={`flex w-full items-center gap-3 rounded-2xl px-4 py-3 text-sm font-medium transition-colors press ${
        destructive
          ? "bg-destructive/10 text-destructive hover:bg-destructive/15"
          : "bg-foreground/[0.04] text-foreground hover:bg-foreground/[0.08]"
      }`}
    >
      <Icon className="h-4 w-4" />
      {label}
    </button>
  );
}

function Options({
  onPrivateKey,
  onRecovery,
  onClose,
}: {
  onPrivateKey: () => void;
  onRecovery: () => void;
  onClose: () => void;
}) {
  return (
    <div>
      <Header title="Options" onClose={onClose} />
      <div className="flex flex-col gap-2">
        <Row icon={Lock} label="View Private Key" onClick={onPrivateKey} />
        <Row icon={ScrollText} label="View Recovery Phrase" onClick={onRecovery} />
        <Row icon={Trash2} label="Remove Wallet" destructive onClick={onClose} />
      </div>
    </div>
  );
}

function PrivateKey({ onBack }: { onBack: () => void }) {
  return (
    <div>
      <div className="mb-3 flex items-start justify-between">
        <Lock className="h-5 w-5 text-foreground" />
        <button
          type="button"
          onClick={onBack}
          aria-label="Back"
          className="inline-flex h-7 w-7 items-center justify-center rounded-full text-muted-foreground hover:bg-foreground/[0.06]"
        >
          ✕
        </button>
      </div>
      <h2 className="text-xl font-semibold tracking-tight text-foreground">Private Key</h2>
      <p className="mt-2 text-sm text-muted-foreground">
        Your Private Key is the key used to back up your wallet. Keep it secret and secure at all times.
      </p>
      <hr className="my-4 border-border" />
      <ul className="flex flex-col gap-2.5 text-sm text-muted-foreground">
        <li className="flex items-center gap-2.5"><ShieldCheck className="h-4 w-4" /> Keep your private key safe</li>
        <li className="flex items-center gap-2.5"><ScrollText className="h-4 w-4" /> Don&apos;t share it with anyone else</li>
        <li className="flex items-center gap-2.5"><Ban className="h-4 w-4" /> If you lose it, we can&apos;t recover it</li>
      </ul>
      <div className="mt-5 flex gap-2">
        <button
          type="button"
          onClick={onBack}
          className="inline-flex h-10 flex-1 items-center justify-center rounded-full bg-foreground/[0.06] text-sm font-medium text-foreground press"
        >
          Cancel
        </button>
        <button
          type="button"
          onClick={onBack}
          className="inline-flex h-10 flex-1 items-center justify-center gap-2 rounded-full bg-foreground text-sm font-medium text-background press"
        >
          <ScanFace className="h-4 w-4" />
          Reveal
        </button>
      </div>
    </div>
  );
}

function Recovery({ onBack }: { onBack: () => void }) {
  return (
    <div>
      <div className="mb-3 flex items-start justify-between">
        <ScrollText className="h-5 w-5 text-foreground" />
        <button
          type="button"
          onClick={onBack}
          aria-label="Back"
          className="inline-flex h-7 w-7 items-center justify-center rounded-full text-muted-foreground hover:bg-foreground/[0.06]"
        >
          ✕
        </button>
      </div>
      <h2 className="text-xl font-semibold tracking-tight text-foreground">Recovery Phrase</h2>
      <p className="mt-2 text-sm text-muted-foreground">
        12 words you can use to restore your wallet on any device. Write them down somewhere safe.
      </p>
      <div className="mt-4 grid grid-cols-3 gap-2">
        {["mountain", "river", "candle", "harbor", "amber", "violet", "spring", "ocean", "marble", "thunder", "willow", "crystal"].map((w, i) => (
          <div key={w} className="rounded-lg border border-border bg-background/40 px-2 py-1.5 text-xs text-foreground">
            <span className="mr-1 text-muted-foreground">{i + 1}.</span>
            {w}
          </div>
        ))}
      </div>
      <button
        type="button"
        onClick={onBack}
        className="mt-5 inline-flex h-10 w-full items-center justify-center rounded-full bg-foreground text-sm font-medium text-background press"
      >
        Done
      </button>
    </div>
  );
}

"use client";
// ui-lab-ten.vercel.app/components/motion/morphing-modal

import {
  AnimatePresence,
  motion,
  useReducedMotion,
} from "motion/react";
import { type ReactNode, useEffect } from "react";
import { EASE_OUT, SPRING_PANEL } from "@/lib/ease";
import { cn } from "@/lib/utils";

export interface MorphingModalProps {
  /** Which view is currently shown. `null` closes the modal. */
  viewId: string | null;
  onClose: () => void;
  children: ReactNode;
  /** "bottom" anchors to the viewport bottom (mobile-like). "center" centers vertically. */
  placement?: "bottom" | "center";
  className?: string;
}

export function MorphingModal({
  viewId,
  onClose,
  children,
  placement = "bottom",
  className,
}: MorphingModalProps) {
  const open = viewId !== null;
  const reduce = useReducedMotion();
  const enterY = reduce ? 0 : placement === "bottom" ? 40 : 20;
  const enterScale = reduce ? 1 : 0.97;

  useEffect(() => {
    if (!open) return;
    const prev = document.body.style.overflow;
    document.body.style.overflow = "hidden";
    return () => {
      document.body.style.overflow = prev;
    };
  }, [open]);

  return (
    <div
      aria-hidden={!open}
      className={cn(
        "fixed inset-0 z-[80]",
        open ? "pointer-events-auto" : "pointer-events-none",
      )}
    >
      <motion.div
        initial={false}
        animate={{ opacity: open ? 1 : 0 }}
        transition={{ duration: 0.2, ease: EASE_OUT }}
        onClick={onClose}
        className={cn(
          "absolute inset-0 bg-background/5 [backdrop-filter:blur(14px)_saturate(140%)] [-webkit-backdrop-filter:blur(14px)_saturate(140%)]",
          open ? "pointer-events-auto" : "pointer-events-none",
        )}
      />

      <div
        className={cn(
          "pointer-events-none absolute inset-0 flex justify-center px-4",
          placement === "bottom" ? "items-end pb-8" : "items-center",
        )}
      >
        <AnimatePresence initial={false}>
          {open ? (
            <motion.div
              key="panel"
              layout
              initial={{ opacity: 0, y: enterY, scale: enterScale }}
              animate={{ opacity: 1, y: 0, scale: 1 }}
              exit={{
                opacity: 0,
                y: enterY,
                scale: reduce ? 1 : 0.98,
                transition: { duration: 0.18, ease: EASE_OUT },
              }}
              transition={SPRING_PANEL}
              className={cn(
                "pointer-events-auto relative w-full max-w-sm overflow-hidden rounded-3xl border border-border bg-background shadow-2xl will-change-transform",
                className,
              )}
            >
              <motion.div layout="position" className="p-5">
                <AnimatePresence mode="popLayout" initial={false}>
                  <motion.div
                    key={viewId}
                    initial={
                      reduce
                        ? { opacity: 0 }
                        : { opacity: 0, y: 8, filter: "blur(4px)" }
                    }
                    animate={
                      reduce
                        ? {
                            opacity: 1,
                            transition: {
                              duration: 0.18,
                              ease: EASE_OUT,
                            },
                          }
                        : {
                            opacity: 1,
                            y: 0,
                            filter: "blur(0px)",
                            transition: {
                              duration: 0.24,
                              ease: EASE_OUT,
                            },
                          }
                    }
                    exit={
                      reduce
                        ? {
                            opacity: 0,
                            transition: {
                              duration: 0.14,
                              ease: EASE_OUT,
                            },
                          }
                        : {
                            opacity: 0,
                            y: -8,
                            filter: "blur(4px)",
                            transition: {
                              duration: 0.16,
                              ease: EASE_OUT,
                            },
                          }
                    }
                  >
                    {children}
                  </motion.div>
                </AnimatePresence>
              </motion.div>
            </motion.div>
          ) : null}
        </AnimatePresence>
      </div>
    </div>
  );
}