import type { ColumnDef } from "@tanstack/react-table"
import { useCallback, useEffect, useMemo, useState } from "react"
import { useNavigate } from "react-router-dom"
import { toast } from "sonner"
import {
  fetchCxOrders,
  fetchCxPackages,
  fetchLangIpList,
  fetchLangIps,
  fetchSwitchList,
} from "@/api/http"
import DataTable from "@/components/data-table"
import Page from "@/components/page"
import { Button } from "@/components/ui/button"
import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs"
import type {
  CxOrder,
  CxPackage,
  LangIpItem,
  SwitchRecord,
} from "@/lib/models/package"
import {
  formatAbroad,
  formatExpired,
  formatIpState,
  formatLineType,
  formatOrderTypeLabel,
  formatShareType,
  formatSwitchReason,
  LONG_ORDER_TYPE_LABELS,
  parseExpired,
} from "@/lib/models/package"
import { downloadTextFile, estimateTotal, formatUnixTime } from "@/lib/utils"
import LongRenewDialog, { type LongRenewSource } from "./long-renew-dialog"
import LongSwitchDialog from "./long-switch-dialog"

const PAGE_SIZE = 50

export default function LongPage() {
  const navigate = useNavigate()
  const [activeTab, setActiveTab] = useState("ips")

  // 已开通长效
  const [ipList, setIpList] = useState<LangIpItem[]>([])
  const [ipStatus, setIpStatus] = useState<"load" | "done" | "fail">("load")
  const [ipPage, setIpPage] = useState(1)
  const [ipTotal, setIpTotal] = useState(0)
  const [rowSelection, setRowSelection] = useState<Record<string, boolean>>({})

  // 全部套餐
  const [packages, setPackages] = useState<CxPackage[]>([])
  const [packageStatus, setPackageStatus] = useState<"load" | "done" | "fail">(
    "load",
  )

  // 购买记录
  const [orders, setOrders] = useState<CxOrder[]>([])
  const [orderStatus, setOrderStatus] = useState<"load" | "done" | "fail">(
    "load",
  )

  // IP切换记录
  const [switchList, setSwitchList] = useState<SwitchRecord[]>([])
  const [switchStatus, setSwitchStatus] = useState<"load" | "done" | "fail">(
    "load",
  )
  const [switchPage, setSwitchPage] = useState(1)
  const [switchTotal, setSwitchTotal] = useState(0)

  // 弹窗
  const [renewSource, setRenewSource] = useState<LongRenewSource | null>(null)
  const [switchTarget, setSwitchTarget] = useState<{
    ip: LangIpItem
    pop: 0 | 1
  } | null>(null)

  const loadIps = useCallback(async (page: number) => {
    setIpStatus("load")
    const res = await fetchLangIpList({
      page,
      limit: PAGE_SIZE,
      packId: "",
      isAbroad: "",
      isExpired: 0,
      state: -1,
      ip: "",
      groupId: "",
      gameId: "",
      cityCode: "",
      orderBy: 0,
    })
    if (!res.success) {
      setIpStatus("fail")
      toast.error(res.message)
      return
    }
    setIpList(res.data.items)
    setIpTotal(
      estimateTotal(
        res.data.pager.totalCount,
        res.data.pager.currentPage || page,
        PAGE_SIZE,
        res.data.items.length,
      ),
    )
    setIpStatus("done")
  }, [])

  const loadPackages = useCallback(async () => {
    setPackageStatus("load")
    const res = await fetchCxPackages()
    if (!res.success) {
      setPackageStatus("fail")
      return
    }
    setPackages(res.data)
    setPackageStatus("done")
  }, [])

  const loadOrders = useCallback(async () => {
    setOrderStatus("load")
    const res = await fetchCxOrders()
    if (!res.success) {
      setOrderStatus("fail")
      return
    }
    setOrders(res.data)
    setOrderStatus("done")
  }, [])

  const loadSwitch = useCallback(async (page: number) => {
    setSwitchStatus("load")
    const res = await fetchSwitchList({
      page,
      limit: PAGE_SIZE,
    })
    if (!res.success) {
      setSwitchStatus("fail")
      toast.error(res.message)
      return
    }
    setSwitchList(res.data.items)
    setSwitchTotal(
      estimateTotal(
        res.data.pager.totalCount,
        res.data.pager.currentPage || page,
        PAGE_SIZE,
        res.data.items.length,
      ),
    )
    setSwitchStatus("done")
  }, [])

  useEffect(() => {
    loadIps(1)
  }, [loadIps])

  const handleTabChange = (value: string) => {
    setActiveTab(value)
    if (value === "packages" && !packages.length) loadPackages()
    if (value === "orders" && !orders.length) loadOrders()
    if (value === "switch" && !switchList.length) loadSwitch(1)
  }

  const handlePageChange = (page: number) => {
    setIpPage(page)
    setRowSelection({})
    loadIps(page)
  }

  const handleSwitchPageChange = (page: number) => {
    setSwitchPage(page)
    loadSwitch(page)
  }

  const handleExtract = async () => {
    const ids = Object.keys(rowSelection)
    if (ids.length === 0) {
      toast.error("请选择IP！")
      return
    }
    const res = await fetchLangIps(ids.join(","))
    if (!res.success) {
      toast.error(res.message)
      return
    }
    if (res.data.length === 0) {
      toast.error("提取失败，请稍后重试")
      return
    }
    const content = res.data
      .map(
        ip =>
          `${ip.ip}|${ip.httpPort}|${ip.socks5Port}|${ip.username}|${ip.password}`,
      )
      .join("\n")
    downloadTextFile("ip.txt", content)
    toast.success("提取成功，已开始下载")
  }

  const ipColumns = useMemo<ColumnDef<LangIpItem>[]>(
    () => [
      {
        accessorKey: "isRelayed",
        header: "模式",
        cell: ({ row }) => (row.original.isRelayed ? "中继" : "直连"),
      },
      { accessorKey: "ip", header: "节点入口IP" },
      { accessorKey: "realIp", header: "隧道出口IP" },
      {
        id: "ports",
        header: "HTTP/SK5端口",
        cell: ({ row }) =>
          `${row.original.httpPort}/${row.original.socks5Port}`,
      },
      { accessorKey: "area", header: "归属地" },
      {
        id: "bandwidth",
        header: "带宽",
        cell: ({ row }) =>
          `${row.original.bandwidth}M/${formatLineType(row.original.lineType)}`,
      },
      {
        accessorKey: "shareType",
        header: "线路",
        cell: ({ row }) => formatShareType(row.original.shareType),
      },
      {
        accessorKey: "state",
        header: "状态",
        cell: ({ row }) => formatIpState(row.original.state),
      },
      {
        id: "account",
        header: "账号/密码",
        cell: ({ row }) => `${row.original.username}/${row.original.password}`,
      },
      {
        accessorKey: "expireTime",
        header: "过期时间",
        cell: ({ row }) => formatUnixTime(row.original.expireTime),
      },
      {
        accessorKey: "isExpired",
        header: "是否过期",
        cell: ({ row }) =>
          parseExpired(row.original.isExpired) ? "已过期" : "未过期",
      },
      {
        id: "actions",
        header: "操作",
        cell: ({ row }) => {
          const ip = row.original
          return (
            <div className="flex items-center gap-2 flex-wrap">
              <Button
                size="sm"
                onClick={() => setRenewSource({ kind: "ip", ip })}
                className="bg-linear-to-r from-blue-500 to-cyan-400 text-white hover:opacity-90"
              >
                续费
              </Button>
              {ip.isAbroad === 1 && ip.isRelayed === 1 && (
                <Button
                  size="sm"
                  variant="outline"
                  onClick={() => setSwitchTarget({ ip, pop: 1 })}
                >
                  切换入口
                </Button>
              )}
              <Button
                size="sm"
                variant="outline"
                onClick={() => setSwitchTarget({ ip, pop: 0 })}
              >
                切换节点
              </Button>
            </div>
          )
        },
      },
    ],
    [],
  )

  const packageColumns = useMemo<ColumnDef<CxPackage>[]>(
    () => [
      {
        accessorKey: "name",
        header: "套餐名称",
        cell: ({ row }) => row.original.name || "-",
      },
      {
        accessorKey: "isAbroad",
        header: "套餐类型",
        cell: ({ row }) => formatAbroad(row.original.isAbroad),
      },
      {
        accessorKey: "shareType",
        header: "模式",
        cell: ({ row }) => formatShareType(row.original.shareType),
      },
      { accessorKey: "ipAmount", header: "可用IP数量(个)" },
      {
        accessorKey: "isExpired",
        header: "是否过期",
        cell: ({ row }) => formatExpired(row.original.isExpired),
      },
      {
        accessorKey: "expireTime",
        header: "过期时间",
        cell: ({ row }) => formatUnixTime(row.original.expireTime),
      },
      {
        id: "actions",
        header: "续费",
        cell: ({ row }) => (
          <Button
            size="sm"
            onClick={() =>
              setRenewSource({ kind: "package", pkg: row.original })
            }
            className="bg-linear-to-r from-blue-500 to-cyan-400 text-white hover:opacity-90"
          >
            续费
          </Button>
        ),
      },
    ],
    [],
  )

  const orderColumns = useMemo<ColumnDef<CxOrder>[]>(
    () => [
      { accessorKey: "order_no", header: "订单号" },
      {
        accessorKey: "order_type",
        header: "订单类型",
        cell: ({ row }) =>
          formatOrderTypeLabel(LONG_ORDER_TYPE_LABELS, row.original.order_type),
      },
      { accessorKey: "game_type", header: "游戏类型" },
      { accessorKey: "ip_count", header: "IP数量" },
      { accessorKey: "money", header: "实付金额" },
      { accessorKey: "create_time", header: "支付时间" },
      {
        id: "rebuy",
        header: "再次购买",
        cell: () => (
          <Button
            size="sm"
            variant="outline"
            onClick={() => navigate("/product/http")}
          >
            再次购买
          </Button>
        ),
      },
    ],
    [navigate],
  )

  const switchColumns = useMemo<ColumnDef<SwitchRecord>[]>(
    () => [
      { accessorKey: "oldIp", header: "原IP" },
      { accessorKey: "oldArea", header: "原属地" },
      { accessorKey: "newIp", header: "切换后IP" },
      { accessorKey: "newArea", header: "切换后属地" },
      {
        accessorKey: "reason",
        header: "切换方式",
        cell: ({ row }) => formatSwitchReason(row.original.reason),
      },
      {
        accessorKey: "createTime",
        header: "切换时间",
        cell: ({ row }) => formatUnixTime(row.original.createTime),
      },
    ],
    [],
  )

  return (
    <Page>
      <div className="bg-white rounded-lg p-4">
        <h3 className="font-semibold text-lg mb-4">长效套餐</h3>
        <Tabs value={activeTab} onValueChange={handleTabChange}>
          <TabsList>
            <TabsTrigger value="ips">已开通长效</TabsTrigger>
            <TabsTrigger value="packages">全部套餐</TabsTrigger>
            <TabsTrigger value="orders">购买记录</TabsTrigger>
            <TabsTrigger value="switch">IP切换记录</TabsTrigger>
          </TabsList>

          <TabsContent value="ips" className="pt-4 flex flex-col gap-3">
            <div className="flex items-center gap-4 flex-wrap">
              <Button
                onClick={() => handleExtract()}
                className="bg-linear-to-r from-blue-500 to-cyan-400 text-white hover:opacity-90"
              >
                批量提取IP
              </Button>
              <span className="text-xs text-gray-500">
                格式：IP|http端口|socks5端口|账号|密码
              </span>
            </div>
            <DataTable
              data={ipList}
              status={ipStatus}
              columns={ipColumns}
              enableSelection
              rowSelection={rowSelection}
              onSelectionChange={setRowSelection}
              getRowId={row => String(row.id)}
              pagination={{
                page: ipPage,
                size: PAGE_SIZE,
                total: ipTotal,
                sizeOptions: [PAGE_SIZE],
                onPageChange: handlePageChange,
              }}
            />
          </TabsContent>

          <TabsContent value="packages" className="pt-4">
            <DataTable
              data={packages}
              status={packageStatus}
              columns={packageColumns}
            />
          </TabsContent>

          <TabsContent value="orders" className="pt-4">
            <DataTable
              data={orders}
              status={orderStatus}
              columns={orderColumns}
            />
          </TabsContent>

          <TabsContent value="switch" className="pt-4">
            <DataTable
              data={switchList}
              status={switchStatus}
              columns={switchColumns}
              pagination={{
                page: switchPage,
                size: PAGE_SIZE,
                total: switchTotal,
                sizeOptions: [PAGE_SIZE],
                onPageChange: handleSwitchPageChange,
              }}
            />
          </TabsContent>
        </Tabs>
      </div>

      <LongRenewDialog
        open={renewSource !== null}
        source={renewSource}
        onClose={() => setRenewSource(null)}
        onSuccess={() => {
          loadIps(ipPage)
          loadPackages()
        }}
      />

      <LongSwitchDialog
        open={switchTarget !== null}
        ip={switchTarget?.ip ?? null}
        pop={switchTarget?.pop ?? 0}
        onClose={() => setSwitchTarget(null)}
        onSuccess={() => loadIps(ipPage)}
      />
    </Page>
  )
}