xiaoxia-saas/apps/web/src/pages/subscription/UpgradeSubscription.tsx

/**
 * 升级/降级/续费页面
 * P1-3: antd Button/Modal/Radio/Spin → 自定义 UI 组件
 */
import React from "react"
import { Modal } from "@/components/ui"
import { useNavigate } from "react-router-dom"
import type { PlanType } from "@/api/subscription"
import PageHead from "@/components/layout/PageHead"
import { Button } from "@/components/ui"
import { PLANS_META, getPlanName, getPlanPrice } from "./constants"
import { BillingCycleSwitch, Spinner } from "./components/SubscriptionUI"
import { useSubscription } from "./hooks/useSubscription"
import "./UpgradeSubscription.css"

const UpgradeSubscription: React.FC = () => {
  const navigate = useNavigate()
  const {
    subscription,
    loading,
    submitting,
    selectedPlan,
    billingCycle,
    setSelectedPlan,
    setBillingCycle,
    executeChangePlan,
    handleToggleAutoRenew,
    handleCancel,
  } = useSubscription()

  const handleUpgradeClick = () => {
    if (!subscription) return
    if (selectedPlan === subscription.plan_id && billingCycle === subscription.billing_cycle) {
      return
    }

    const plan = PLANS_META[selectedPlan]
    const price = getPlanPrice(selectedPlan, billingCycle)

    Modal.confirm({
      title: "确认变更套餐",
      content: `即将变更为「${plan.name}」（${billingCycle === "monthly" ? "月付" : "年付"}），${price > 0 ? `费用 ¥${price}${billingCycle === "monthly" ? "/月" : "/年"}` : "免费"}。变更立即生效。`,
      okText: "确认变更",
      cancelText: "取消",
      onOk: executeChangePlan,
    })
  }

  const handleCancelClick = () => {
    Modal.confirm({
      title: "确认取消订阅",
      content: "取消后，当前周期结束前仍可正常使用，到期后降级为体验版。",
      okText: "确认取消",
      cancelText: "再想想",
      onOk: async () => {
        const ok = await handleCancel()
        if (ok) navigate("/app/subscription")
      },
    })
  }

  if (loading) {
    return (
      <div className="xx-upgrade-page">
        <Spinner size="large" />
      </div>
    )
  }

  const currentPlan = subscription?.plan_id ?? "free"

  return (
    <div className="xx-upgrade-page">
      <PageHead title="变更订阅方案" description={`当前套餐：${getPlanName(currentPlan)}`} />

      <div className="xx-upgrade-plans">
        {(["standard", "pro", "enterprise"] as PlanType[]).map((planId) => {
          const plan = PLANS_META[planId]
          const isCurrent = planId === currentPlan
          return (
            <div
              key={planId}
              className={`xx-upgrade-card ${isCurrent ? "current" : ""} ${selectedPlan === planId ? "selected" : ""}`}
              onClick={() => setSelectedPlan(planId)}
            >
              {isCurrent && <div className="xx-current-badge">当前</div>}
              <h3>{plan.name}</h3>
              <div className="xx-price">
                <BillingCycleSwitch
                  value={billingCycle}
                  onChange={setBillingCycle}
                  monthlyPrice={plan.price}
                  yearlyPrice={plan.yearlyPrice}
                />
              </div>
            </div>
          )
        })}
      </div>

      <div className="xx-upgrade-actions">
        <Button
          buttonType="primary"
          buttonSize="lg"
          disabled={submitting || selectedPlan === currentPlan}
          onClick={handleUpgradeClick}
        >
          {submitting ? "处理中..." : "确认变更"}
        </Button>

        {subscription && subscription.status === "active" && (
          <div className="xx-auto-renew-section">
            <span>自动续费：{subscription.auto_renew ? "已开启" : "已关闭"}</span>
            <Button
              buttonType="text"
              buttonSize="sm"
              onClick={() => handleToggleAutoRenew(!subscription.auto_renew)}
            >
              {subscription.auto_renew ? "关闭" : "开启"}
            </Button>
          </div>
        )}

        {subscription && subscription.status === "active" && currentPlan !== "free" && (
          <Button
            buttonType="danger"
            buttonSize="sm"
            onClick={handleCancelClick}
            className="xx-cancel-btn"
          >
            取消订阅
          </Button>
        )}
      </div>
    </div>
  )
}

export default UpgradeSubscription
export const Component = UpgradeSubscription