"use client"
import { format } from "date-fns"
import { Suspense, useState } from "react"
import { toast } from "sonner"
import { deleteCoupon, getPagCoupon } from "@/actions/coupon"
import { Auth } from "@/components/auth"
import { DataTable, useDataTable } from "@/components/data-table"
import { Page } from "@/components/page"
import {
  AlertDialog,
  AlertDialogAction,
  AlertDialogCancel,
  AlertDialogContent,
  AlertDialogDescription,
  AlertDialogFooter,
  AlertDialogHeader,
  AlertDialogTitle,
  AlertDialogTrigger,
} from "@/components/ui/alert-dialog"
import { Button } from "@/components/ui/button"
import { ScopeCouponWriteAssign } from "@/lib/scopes"
import type { Coupon } from "@/models/coupon"
import { CreateDiscount } from "./create"
import { ReleaseCoupon } from "./release"
import { UpdateCoupon } from "./update"

export default function CouponPage() {
  const table = useDataTable((page, size) => getPagCoupon({ page, size }))

  return (
    <Page>
      <div className="flex justify-between items-stretch">
        <div className="flex gap-3">
          <CreateDiscount onSuccess={table.refresh} />
        </div>
      </div>

      <Suspense>
        <DataTable<Coupon>
          {...table}
          columns={[
            { header: "优惠券名称", accessorKey: "name" },
            { header: "优惠券数量", accessorKey: "count" },
            { header: "优惠券金额", accessorKey: "amount" },
            { header: "最低消费金额", accessorKey: "min_amount" },
            {
              header: "优惠券状态",
              accessorKey: "status",
              cell: ({ row }) => {
                const status = row.original.status
                if (status === 0) {
                  return <span className="text-yellow-600">禁用</span>
                }
                if (status === 1) {
                  return <span className="text-green-600">正常</span>
                }
                return <span>-</span>
              },
            },
            {
              header: "过期类型",
              accessorFn: row => {
                switch (row.expire_type) {
                  case 0:
                    return "不过期"
                  case 1:
                    return "固定日期"
                  case 2:
                    return "相对日期"
                  default:
                    return ""
                }
              },
            },
            {
              header: "过期时长（天）",
              accessorKey: "expire_in",
            },
            {
              header: "过期时间",
              accessorKey: "expire_at",
              cell: ({ row }) => {
                const coupon = row.original
                if (coupon.expire_type === 2 && coupon.expire_in) {
                  const expireDate = new Date(coupon.created_at)
                  expireDate.setDate(expireDate.getDate() + coupon.expire_in)
                  return format(expireDate, "yyyy-MM-dd HH:mm")
                }

                if (coupon.expire_type === 1 && coupon.expire_at) {
                  return format(new Date(coupon.expire_at), "yyyy-MM-dd HH:mm")
                }
                return <span>永久有效</span>
              },
            },
            {
              header: "创建时间",
              accessorKey: "created_at",
              cell: ({ row }) =>
                format(new Date(row.original.created_at), "yyyy-MM-dd HH:mm"),
            },
            {
              id: "action",
              meta: { pin: "right" },
              header: "操作",
              cell: ({ row }) => (
                <div className="flex gap-2">
                  <UpdateCoupon
                    coupon={row.original}
                    onSuccess={table.refresh}
                  />
                  <DeleteCoupon
                    coupon={row.original}
                    onSuccess={table.refresh}
                  />
                  <Auth scope={ScopeCouponWriteAssign}>
                    <ReleaseCoupon
                      coupon={row.original}
                      onSuccess={table.refresh}
                    />
                  </Auth>
                </div>
              ),
            },
          ]}
        />
      </Suspense>
    </Page>
  )
}

function DeleteCoupon({
  coupon,
  onSuccess,
}: {
  coupon: Coupon
  onSuccess?: () => void
}) {
  const [loading, setLoading] = useState(false)

  const handleConfirm = async () => {
    setLoading(true)
    try {
      const resp = await deleteCoupon(coupon.id)
      if (resp.success) {
        toast.success("删除成功")
        onSuccess?.()
      } else {
        toast.error(resp.message ?? "删除失败")
      }
    } catch (error) {
      const message = error instanceof Error ? error.message : error
      toast.error(`接口请求错误: ${message}`)
    } finally {
      setLoading(false)
    }
  }

  return (
    <AlertDialog>
      <AlertDialogTrigger asChild>
        <Button size="sm" variant="destructive" disabled={loading}>
          删除
        </Button>
      </AlertDialogTrigger>
      <AlertDialogContent size="sm">
        <AlertDialogHeader>
          <AlertDialogTitle>确认删除</AlertDialogTitle>
          <AlertDialogDescription>
            确定要删除折扣「{coupon.name}」吗？此操作不可撤销。
          </AlertDialogDescription>
        </AlertDialogHeader>
        <AlertDialogFooter>
          <AlertDialogCancel>取消</AlertDialogCancel>
          <AlertDialogAction variant="destructive" onClick={handleConfirm}>
            删除
          </AlertDialogAction>
        </AlertDialogFooter>
      </AlertDialogContent>
    </AlertDialog>
  )
}