import { Check } from "lucide-react"
import { type ReactNode, useEffect, useState } from "react"
import { fetchAgreementStatus, fetchRealNameStatus } from "@/api/agreement"
import { getUserInfo } from "@/api/token"
import AgreementDialog from "@/components/composites/dialogs/agreementDialog"
import {
  EditInfoDialog,
  type EditInfoValues,
} from "@/components/composites/dialogs/editInfoDialog"
import RealNameDialog from "@/components/composites/dialogs/realNameDialog"
import Page from "@/components/page"
import { QrCodeImage } from "@/components/qrCodeImage"
import { Button } from "@/components/ui/button"
import {
  Dialog,
  DialogContent,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog"
import { cn } from "@/lib/utils"
import b3 from "../assets/b3.webp"
import b5 from "../assets/b5.webp"
import b6 from "../assets/b6.webp"
import b7 from "../assets/b7.webp"
import b8 from "../assets/b8.webp"
import b9 from "../assets/b9.webp"
import b10 from "../assets/b10.webp"
import b11 from "../assets/b11.webp"
import b12 from "../assets/b12.webp"
import banner from "../assets/banner.webp"
import banner2 from "../assets/banner2.webp"
import {
  MOCK_ACCOUNT_INFO,
  MOCK_BALANCE,
  MOCK_CONSUMPTION,
  MOCK_IP_STATS,
} from "./mock"

const fmt = (n: number) => n.toFixed(2)

const MANAGER_QR_URLS: Record<number, string> = {
  1029: "https://work.weixin.qq.com/u/vc887a78c8a042ee8e?v=4.1.8.133653",
  1030: "https://work.weixin.qq.com/u/vc83c509032e079ac3?v=4.1.8.23932",
  1017: "https://work.weixin.qq.com/u/vc7e4f48bc9e52e3d0?v=4.1.8.133653",
}

function readUserInfo() {
  const raw = getUserInfo<Record<string, unknown>>()
  const info = (raw ?? {}) as Record<string, unknown>
  const phone = String(
    info.Phone ??
      info.LoginCode ??
      info.phone ??
      info.logincode ??
      info.Mobile ??
      info.mobile ??
      "",
  )
  const managerId = Number(info.ManagerId ?? info.managerId ?? 0)
  return {
    phone,
    managerQrUrl:
      Number.isFinite(managerId) && MANAGER_QR_URLS[managerId]
        ? MANAGER_QR_URLS[managerId]
        : "",
  }
}

export default function DashboardPage() {
  // ========== 数据定义（待接口就绪后改为 useEffect 拉取） ==========
  const balanceData = MOCK_BALANCE
  const accountInfo = MOCK_ACCOUNT_INFO
  const consumptionData = MOCK_CONSUMPTION
  const ipAccountData = MOCK_IP_STATS

  const { phone, managerQrUrl } = readUserInfo()

  // 实名认证状态（php-api /agent/index/isverify）、网络安全协议签署状态
  // （php-api /tencent/index/get_is_upload）
  const [verified, setVerified] = useState<boolean | null>(null)
  const [agreementSigned, setAgreementSigned] = useState<boolean | null>(null)

  const refreshVerifyState = () => {
    if (!phone) return
    void fetchRealNameStatus(phone).then(res => {
      if (res.success) setVerified(res.data)
    })
  }

  const refreshAgreementState = () => {
    void fetchAgreementStatus().then(res => {
      if (res.success) setAgreementSigned(res.data)
    })
  }

  useEffect(() => {
    if (phone) {
      void fetchRealNameStatus(phone).then(res => {
        if (res.success) setVerified(res.data)
      })
    }
    void fetchAgreementStatus().then(res => {
      if (res.success) setAgreementSigned(res.data)
    })
  }, [phone])

  const [editDialogOpen, setEditDialogOpen] = useState(false)
  const [realNameOpen, setRealNameOpen] = useState(false)
  const [agreementOpen, setAgreementOpen] = useState(false)
  const [managerQrOpen, setManagerQrOpen] = useState(false)

  const handleSaveInfo = (data: EditInfoValues) => {
    // TODO: 接入 src/api/user.ts updateUserProfile
    void data
  }

  // 未返回状态（请求中/失败/无手机号）时默认按「未实名/未签署」展示，
  // 接口成功后自动更新为真实状态
  const verifyBadge = (() => {
    if (verified === true) {
      return (
        <span className="inline-flex shrink-0 items-center gap-1 rounded-full bg-emerald-50 px-2 py-0.5 text-xs font-medium text-emerald-600">
          <Check className="size-3.5" />
          已认证
        </span>
      )
    }
    return (
      <Button
        size="sm"
        variant="outline"
        className="shrink-0 text-blue-600 hover:text-blue-700"
        onClick={() => setRealNameOpen(true)}
      >
        去实名
      </Button>
    )
  })()

  const agreementAction = (mobile = false) => {
    const className = mobile
      ? "mt-3 inline-flex items-center gap-1 self-start text-xs sm:hidden"
      : "hidden items-center gap-1 text-xs sm:inline-flex"
    if (agreementSigned === true) {
      return (
        <span className={cn(className, "text-emerald-600")}>
          签署网络安全协议
          <Check className="size-3.5" />
        </span>
      )
    }
    return (
      <button
        type="button"
        onClick={() => setAgreementOpen(true)}
        className={cn(className, "text-blue-600 hover:text-blue-700")}
      >
        签署网络安全协议
      </button>
    )
  }

  return (
    <Page className="grid grid-cols-1 gap-4 content-start">
      <section className="grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-[6fr_3fr_3fr]">
        <div className="flex flex-col overflow-hidden rounded-xl bg-card md:col-span-2 lg:col-span-1">
          <div className="flex min-h-12 shrink-0 flex-wrap items-center justify-between gap-x-3 gap-y-2 border-b border-gray-100 px-4 py-2 sm:px-5">
            <div className="flex min-w-0 items-center gap-2.5">
              <h3 className="shrink-0 text-base font-semibold">账户信息</h3>
              {verifyBadge}
            </div>
            <div className="flex shrink-0 items-center gap-4">
              {agreementAction()}
              <Button
                size="sm"
                variant="outline"
                className="text-blue-600 hover:text-blue-700"
                onClick={() => setEditDialogOpen(true)}
              >
                编辑
              </Button>
            </div>
          </div>

          <div className="grid grid-cols-1 md:grid-cols-2">
            <div className="flex items-center gap-4 p-5 md:border-r md:border-dashed md:border-gray-200">
              <div className="flex w-1/2 shrink-0 flex-col items-center gap-1.5">
                <p className="text-center text-[11px] leading-4 text-muted-foreground">
                  扫二维码联系
                  <br />
                  我的客户经理
                </p>
                <div className="group relative">
                  <button
                    type="button"
                    onClick={() => managerQrUrl && setManagerQrOpen(true)}
                    className="block size-16 overflow-hidden rounded-lg border border-gray-200"
                  >
                    {managerQrUrl ? (
                      <QrCodeImage text={managerQrUrl} size={64} />
                    ) : (
                      <img
                        src="/logo.png"
                        alt="账号二维码"
                        className="size-full object-cover"
                      />
                    )}
                  </button>
                  {managerQrUrl && (
                    <div className="pointer-events-none absolute left-20 top-0 z-50 hidden rounded-lg border border-gray-200 bg-white p-2 shadow-lg group-hover:block max-md:hidden">
                      <QrCodeImage text={managerQrUrl} size={200} />
                    </div>
                  )}
                </div>
              </div>

              <div className="flex w-1/2 min-w-0 flex-col justify-center gap-3">
                <div className="min-w-0">
                  <p className="text-xs text-muted-foreground">手机号/用户名</p>
                  <p className="mt-0.5 truncate text-base font-medium">
                    {phone || accountInfo.phone}
                  </p>
                </div>
                <div>
                  <p className="text-xs text-muted-foreground">密码</p>
                  <div className="mt-0.5 flex items-center justify-between gap-2">
                    <span className="font-mono text-sm">********</span>
                    <button
                      type="button"
                      onClick={() => setEditDialogOpen(true)}
                      className="shrink-0 text-xs text-blue-600 hover:text-blue-700"
                    >
                      修改密码
                    </button>
                  </div>
                </div>
              </div>
            </div>

            <div className="flex flex-col justify-center p-5">
              <dl className="divide-y divide-gray-100">
                <InfoRow label="QQ号" value={accountInfo.qq} />
                <InfoRow label="微信号" value={accountInfo.wechat} />
                <InfoRow label="淘宝会员名" value={accountInfo.taobao} />
                <InfoRow label="邮箱" value={accountInfo.email} />
              </dl>
              {agreementAction(true)}
            </div>
          </div>
        </div>

        <BalanceCard
          label="可用余额(元)"
          amount={fmt(balanceData.balance)}
          image={banner}
          imageAlt="可用余额"
          gradientClassName="from-blue-100 to-blue-50"
        >
          <Button
            size="sm"
            className="bg-white text-blue-600 shadow-sm hover:bg-white/80"
          >
            去提现
          </Button>
          <Button
            size="sm"
            className="bg-blue-600 text-white hover:bg-blue-700"
          >
            去充值
          </Button>
        </BalanceCard>

        <BalanceCard
          label="可用H币(个)"
          amount={fmt(balanceData.hCoin)}
          image={banner2}
          imageAlt="可用H币"
          gradientClassName="from-cyan-100 to-cyan-50"
        >
          <Button
            size="sm"
            className="bg-blue-600 text-white hover:bg-blue-700"
          >
            去充值
          </Button>
        </BalanceCard>
      </section>

      <section className="grid grid-cols-1 gap-4 lg:grid-cols-[7fr_5fr]">
        <div className="flex flex-col overflow-hidden rounded-xl bg-card">
          <div className="flex h-12 shrink-0 items-center border-b border-gray-100 px-4 sm:px-5">
            <h3 className="text-base font-semibold">消费信息</h3>
          </div>

          <div className="grid grid-cols-1 gap-4 p-4 sm:grid-cols-[1fr_150px] sm:p-5">
            <div className="grid grid-cols-2 gap-3 xl:grid-cols-3">
              <StatTile
                icon={b3}
                alt="今日消费"
                label="今日消费"
                value={fmt(consumptionData.today)}
              />
              <StatTile
                icon={b6}
                alt="今日退款"
                label="今日退款"
                value={fmt(consumptionData.todayRefund)}
              />
              <StatTile
                icon={b8}
                alt="今日充值"
                label="今日充值"
                value={fmt(consumptionData.todayRecharge)}
              />
              <StatTile
                icon={b5}
                alt="当月消费"
                label="当月消费"
                value={fmt(consumptionData.month)}
              />
              <StatTile
                icon={b6}
                alt="当月退款"
                label="当月退款"
                value={fmt(consumptionData.monthRefund)}
              />
              <StatTile
                icon={b9}
                alt="当月充值"
                label="当月充值"
                value={fmt(consumptionData.monthRecharge)}
              />
            </div>

            <div className="flex flex-row items-center justify-center gap-3 rounded-lg bg-linear-to-br from-blue-50 to-blue-100/60 p-4 text-center ring-1 ring-blue-100 sm:flex-col">
              <img src={b7} alt="本年消费" className="size-12 object-contain" />
              <div>
                <p className="text-2xl font-bold tabular-nums text-blue-600">
                  {fmt(consumptionData.year)}
                </p>
                <p className="text-xs text-muted-foreground">本年消费</p>
              </div>
            </div>
          </div>
        </div>
        <div className="flex flex-col overflow-hidden rounded-xl bg-card">
          <div className="flex h-12 shrink-0 items-center border-b border-gray-100 px-4 sm:px-5">
            <h3 className="text-base font-semibold">IP账号</h3>
          </div>
          <div className="grid grid-cols-3 divide-x divide-gray-100">
            <IpStat
              icon={b10}
              alt="使用中"
              value={ipAccountData.using}
              label="使用中"
              chipClassName="bg-emerald-50"
            />
            <IpStat
              icon={b12}
              alt="总个数"
              value={ipAccountData.total}
              label="总个数"
              chipClassName="bg-blue-50"
            />
            <IpStat
              icon={b11}
              alt="已过期"
              value={ipAccountData.expired}
              label="已过期"
              chipClassName="bg-rose-50"
            />
          </div>
        </div>
      </section>

      <EditInfoDialog
        open={editDialogOpen}
        onOpenChange={setEditDialogOpen}
        onSave={handleSaveInfo}
      />
      <RealNameDialog
        open={realNameOpen}
        onOpenChange={setRealNameOpen}
        onVerified={refreshVerifyState}
      />
      <AgreementDialog
        open={agreementOpen}
        onOpenChange={setAgreementOpen}
        onSigned={refreshAgreementState}
      />
      <Dialog open={managerQrOpen} onOpenChange={setManagerQrOpen}>
        <DialogContent className="sm:max-w-xs">
          <DialogHeader>
            <DialogTitle className="text-center">我的客户经理</DialogTitle>
          </DialogHeader>
          <div className="flex flex-col items-center gap-2 pb-2">
            <div className="rounded-lg border border-gray-200 p-2">
              <QrCodeImage text={managerQrUrl} size={200} />
            </div>
            <p className="text-xs text-muted-foreground">请扫码添加</p>
          </div>
        </DialogContent>
      </Dialog>
    </Page>
  )
}

function InfoRow({ label, value }: { label: string; value: string }) {
  return (
    <div className="flex items-center justify-between gap-4 py-2 text-sm">
      <dt className="shrink-0 text-muted-foreground">{label}</dt>
      <dd className="min-w-0 truncate text-right">{value || "--"}</dd>
    </div>
  )
}

function BalanceCard(props: {
  label: string
  amount: string
  image: string
  imageAlt: string
  gradientClassName?: string
  children?: ReactNode
}) {
  return (
    <div
      className={cn(
        "flex flex-col justify-between gap-5 overflow-hidden rounded-xl bg-linear-to-b p-5",
        props.gradientClassName,
      )}
    >
      <div className="flex items-start justify-between gap-3">
        <p className="text-sm font-medium text-gray-600">{props.label}</p>
        <img
          src={props.image}
          alt={props.imageAlt}
          className="-mr-1 -mt-1 size-14 object-contain"
        />
      </div>
      <div className="flex min-w-0 flex-col gap-3">
        <p className="truncate text-3xl font-bold tabular-nums">
          {props.amount}
        </p>
        <div className="flex flex-wrap gap-2">{props.children}</div>
      </div>
    </div>
  )
}

function StatTile(props: {
  icon: string
  alt: string
  label: string
  value: string
}) {
  return (
    <div className="flex min-w-0 items-center gap-3 rounded-lg bg-gray-50 p-3 ring-1 ring-gray-100">
      <img
        src={props.icon}
        alt={props.alt}
        className="size-9 shrink-0 object-contain"
      />
      <div className="min-w-0">
        <p className="truncate text-xs text-muted-foreground">{props.label}</p>
        <p className="truncate text-lg font-semibold tabular-nums">
          {props.value}
        </p>
      </div>
    </div>
  )
}

function IpStat(props: {
  icon: string
  alt: string
  value: number
  label: string
  chipClassName?: string
}) {
  return (
    <div className="flex flex-col items-center justify-center gap-2.5 p-3 text-center sm:p-4">
      <div
        className={cn(
          "flex size-14 shrink-0 items-center justify-center rounded-full",
          props.chipClassName,
        )}
      >
        <img
          src={props.icon}
          alt={props.alt}
          className="size-8 object-contain"
        />
      </div>
      <p className="text-2xl font-bold tabular-nums">{props.value}</p>
      <p className="text-xs text-muted-foreground">{props.label}</p>
    </div>
  )
}