// Adapted from agentui (https://github.com/ashish200729/agentui), components/agents/approval-card/index.tsx + types.ts
// Copyright (c) 2026 Saurabh Chauhan. MIT License, see ./LICENSE-agentui.md
// 改造:状态集按本项目 Approval 对齐——上游的 submitting 保留,changes-requested/answered 与多步问答模式去掉
// (依赖 motion 的 Checkbox/Radio,且本项目审批只有批准/拒绝);新增 revoked/expired/consumed 终态;
// 状态色换 warning/success/destructive 并配文字;按钮用项目 <Button>(胶囊,主操作 pill-primary);
// 新增 `disabledReason`:按钮不可用时说明原因(如"只有控制台管理员会话能批准")。
import { Check, Clock, LoaderCircle, MessageSquareText, Undo2, X } from "lucide-react";
import type { ReactNode } from "react";
import { Button } from "~/components/ui/button.tsx";
import { cn } from "~/lib/utils.ts";
import { Disclosure } from "./disclosure.tsx";

export type ApprovalCardStatus =
  | "pending"
  | "submitting"
  | "approved"
  | "rejected"
  | "revoked"
  | "expired"
  | "consumed";

const LABEL: Record<ApprovalCardStatus, string> = {
  pending: "等你批准",
  submitting: "提交中",
  approved: "已批准",
  rejected: "已拒绝",
  revoked: "已撤销",
  expired: "已过期",
  consumed: "已执行",
};

const BADGE: Record<ApprovalCardStatus, string> = {
  pending: "border-warning/30 bg-warning/10 text-warning",
  submitting: "border-border bg-foreground/[0.04] text-muted-foreground",
  approved: "border-success/30 bg-success/10 text-success",
  consumed: "border-success/30 bg-success/10 text-success",
  rejected: "border-destructive/30 bg-destructive/10 text-destructive",
  revoked: "border-border bg-foreground/[0.04] text-muted-foreground",
  expired: "border-border bg-foreground/[0.04] text-muted-foreground",
};

function StatusIcon({ status }: { status: ApprovalCardStatus }) {
  if (status === "submitting") return <LoaderCircle className="size-4 animate-spin motion-reduce:animate-none" />;
  if (status === "pending") return <MessageSquareText className="size-4" />;
  if (status === "rejected") return <X className="size-4" />;
  if (status === "expired") return <Clock className="size-4" />;
  if (status === "revoked") return <Undo2 className="size-4" />;
  return <Check className="size-4" />;
}

export interface ApprovalCardProps {
  title?: ReactNode;
  description?: ReactNode;
  children?: ReactNode;
  status?: ApprovalCardStatus;
  badges?: ReactNode;
  onApprove?: () => void;
  onReject?: () => void;
  approveLabel?: ReactNode;
  rejectLabel?: ReactNode;
  /** 按钮不可用的原因;给了就禁用按钮并显示 */
  disabledReason?: string;
  /** 终态时的结论文字 */
  result?: ReactNode;
  className?: string;
}

export function ApprovalCard({
  title = "需要批准",
  description,
  children,
  status = "pending",
  badges,
  onApprove,
  onReject,
  approveLabel = "批准",
  rejectLabel = "拒绝",
  disabledReason,
  result,
  className,
}: ApprovalCardProps) {
  const busy = status === "submitting";
  const interactive = status === "pending" || busy;
  return (
    <section
      data-state={status}
      aria-busy={busy}
      aria-label={typeof title === "string" ? title : "审批"}
      className={cn(
        "w-full min-w-0 overflow-hidden rounded-xl border p-3 text-sm",
        status === "pending" ? "border-warning/40 bg-warning/[0.06]" : "border-border/70",
        className,
      )}
    >
      <div className="flex items-start gap-3">
        <span
          aria-hidden
          className={cn(
            "mt-0.5 grid size-5 shrink-0 place-items-center text-muted-foreground",
            status === "pending" && "text-warning",
            (status === "approved" || status === "consumed") && "text-success",
            status === "rejected" && "text-destructive",
          )}
        >
          <StatusIcon status={status} />
        </span>
        <div className="min-w-0 flex-1">
          <div className="flex min-w-0 flex-wrap items-start gap-x-3 gap-y-1">
            <h3 className="min-w-0 flex-1 text-body leading-5 font-medium text-foreground">{title}</h3>
            <span className={cn("shrink-0 rounded-full border px-2 py-0.5 text-label font-medium", BADGE[status])}>
              {LABEL[status]}
            </span>
          </div>
          {badges ? <div className="mt-1.5 flex flex-wrap items-center gap-1">{badges}</div> : null}
          {description ? <p className="mt-1.5 text-caption leading-5 text-muted-foreground">{description}</p> : null}
          {children ? <div className="mt-2.5">{children}</div> : null}
          <Disclosure open={interactive}>
            <div className="mt-3 flex flex-wrap items-center gap-2">
              <Button size="sm" disabled={busy || !!disabledReason || !onApprove} onClick={onApprove}>
                {approveLabel}
              </Button>
              <Button
                size="sm"
                variant="ghost"
                disabled={busy || !!disabledReason || !onReject}
                onClick={onReject}
                className="hover:text-destructive"
              >
                {rejectLabel}
              </Button>
              {disabledReason ? <span className="text-meta text-muted-foreground">{disabledReason}</span> : null}
            </div>
          </Disclosure>
          {!interactive ? <p className="mt-1.5 text-caption text-muted-foreground">{result ?? LABEL[status]}</p> : null}
        </div>
      </div>
    </section>
  );
}