import { useState } from "react";
import type { ReimbursementStatus } from "../../api/reimbursements";
import { Button } from "../../components/ui/button";
import { Input } from "../../components/ui/input";
import { Textarea } from "../../components/ui/textarea";

type PaymentChannel = "bank" | "alipay" | "wechat" | "cash" | "other";

export type PayPayload = {
  paymentVoucherNo: string;
  paymentDate: string;
  paymentChannel: PaymentChannel;
};

export interface ReimbursementActionsProps {
  status: ReimbursementStatus;
  canPay: boolean;
  actionError: string;
  submitDisabled?: boolean;
  submitHint?: string;
  submitNotice?: string;
  isPending: boolean;
  onSubmit: () => void;
  onWithdraw: (comment: string) => void;
  onPay: (payload: PayPayload) => void;
}

export function ReimbursementActions({
  status,
  canPay,
  actionError,
  submitDisabled = false,
  submitHint = "",
  submitNotice = "",
  isPending,
  onSubmit,
  onWithdraw,
  onPay,
}: ReimbursementActionsProps) {
  const [withdrawComment, setWithdrawComment] = useState("申请撤回并补充说明后重提");
  const [paymentVoucherNo, setPaymentVoucherNo] = useState("");
  const [paymentDate, setPaymentDate] = useState("2026-02-08");
  const [paymentChannel, setPaymentChannel] = useState<PaymentChannel>("bank");

  return (
    <div className="card-std space-y-4 p-6">
      <h3 className="text-base font-semibold text-zinc-900">可执行动作</h3>

      {actionError ? (
        <p
          className="rounded-lg border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-600"
          data-testid="reimbursement-action-error"
        >
          {actionError}
        </p>
      ) : null}

      <div className="flex flex-wrap gap-2">
        <Button
          data-testid="reimbursement-submit"
          disabled={isPending || !["draft", "rejected"].includes(status) || submitDisabled}
          onClick={onSubmit}
          type="button"
        >
          提交报销
        </Button>
      </div>
      {submitHint ? <p className="text-sm text-zinc-500">{submitHint}</p> : null}
      {submitNotice ? (
        <p className="rounded-lg border border-amber-200 bg-amber-50 px-3 py-2 text-sm text-amber-700">
          {submitNotice}
        </p>
      ) : null}

      <div className="space-y-2 rounded-lg border border-zinc-200 p-4">
        <p className="text-sm font-medium text-zinc-800">撤回报销</p>
        <Textarea
          data-testid="reimbursement-withdraw-comment"
          onChange={(event) => setWithdrawComment(event.target.value)}
          rows={2}
          value={withdrawComment}
        />
        <Button
          data-testid="reimbursement-withdraw"
          variant="secondary"
          disabled={isPending || status !== "reviewing" || withdrawComment.trim().length < 1}
          onClick={() => onWithdraw(withdrawComment.trim())}
          type="button"
        >
          撤回
        </Button>
      </div>

      {canPay ? (
        <div className="space-y-2 rounded-lg border border-zinc-200 p-4">
          <p className="text-sm font-medium text-zinc-800">财务支付</p>
          <Input
            data-testid="reimbursement-pay-voucher-no"
            onChange={(event) => setPaymentVoucherNo(event.target.value)}
            placeholder="付款凭证号"
            value={paymentVoucherNo}
          />
          <Input
            data-testid="reimbursement-pay-date"
            onChange={(event) => setPaymentDate(event.target.value)}
            type="date"
            value={paymentDate}
          />
          <select
            className="select-std"
            data-testid="reimbursement-pay-channel"
            onChange={(event) =>
              setPaymentChannel(event.target.value as PaymentChannel)
            }
            value={paymentChannel}
          >
            <option value="bank">bank</option>
            <option value="alipay">alipay</option>
            <option value="wechat">wechat</option>
            <option value="cash">cash</option>
            <option value="other">other</option>
          </select>
          <Button
            data-testid="reimbursement-pay"
            variant="secondary"
            disabled={isPending || !["approved", "paid"].includes(status)}
            onClick={() =>
              onPay({
                paymentVoucherNo: paymentVoucherNo.trim(),
                paymentDate,
                paymentChannel,
              })
            }
            type="button"
          >
            执行支付
          </Button>
        </div>
      ) : null}
    </div>
  );
}