// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0

"use client"

import * as React from "react"
import {useQuery} from "@tanstack/react-query"
import {ChevronLeft, ChevronRight, History, RefreshCw, Search,} from "lucide-react"

import {Button} from "@/components/ui/button"
import {Input} from "@/components/ui/input"
import {Badge} from "@/components/ui/badge"
import {Table, TableBody, TableCell, TableHead, TableHeader, TableRow,} from "@/components/ui/table"
import {Select, SelectContent, SelectItem, SelectTrigger, SelectValue,} from "@/components/ui/select"

import {ErrorInline} from "@/components/layout/error"
import {LoadingStateWithBorder} from "@/components/layout/loading"
import {cn} from "@/lib/utils"

import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog"

import type {PushHistory} from "@/lib/services/push"
import {PushService} from "@/lib/services/push"

function getLevelBadgeVariant(level: string): "outline" | "secondary" | "destructive" | "default" {
  switch (level) {
    case "CRITICAL":
      return "destructive"
    case "IMPORTANT":
      return "default"
    default:
      return "outline"
  }
}

export function HistoriesTab() {
  const [historyPage, setHistoryPage] = React.useState(1)
  const [historySearch, setHistorySearch] = React.useState("")
  const [historyStatus, setHistoryStatus] = React.useState("all")

  const [detailOpen, setDetailOpen] = React.useState(false)
  const [selectedHistory, setSelectedHistory] = React.useState<PushHistory | null>(null)

  const handleRowClick = (hist: PushHistory) => {
    setSelectedHistory(hist)
    setDetailOpen(true)
  }

  const historiesQuery = useQuery({
    queryKey: ["admin", "push-histories", historyPage, historySearch, historyStatus],
    queryFn: () =>
      PushService.listHistories({
        page: historyPage,
        page_size: 10,
        event_key: historySearch || undefined,
        status: historyStatus === "all" ? undefined : historyStatus,
      }),
  })

  return (
    <div className="pt-4 space-y-4">
      <div className="flex flex-col sm:flex-row gap-2">
        <div className="relative flex-1">
          <Search className="absolute left-2.5 top-2.5 size-4 text-muted-foreground" />
          <Input
            type="text"
            placeholder="输入事件键过滤..."
            className="pl-8 text-xs h-9"
            value={historySearch}
            onChange={e => {
              setHistorySearch(e.target.value)
              setHistoryPage(1)
            }}
          />
        </div>
        <div className="w-[150px]">
          <Select
            value={historyStatus}
            onValueChange={val => {
              setHistoryStatus(val)
              setHistoryPage(1)
            }}
          >
            <SelectTrigger className="text-xs h-9">
              <SelectValue placeholder="发送状态" />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="all" className="text-xs">全部状态</SelectItem>
              <SelectItem value="success" className="text-xs">发送成功</SelectItem>
              <SelectItem value="failed" className="text-xs">发送失败</SelectItem>
            </SelectContent>
          </Select>
        </div>
        <Button
          variant="outline"
          size="icon"
          className="h-9 w-9 shrink-0"
          onClick={() => historiesQuery.refetch()}
        >
          <RefreshCw className={cn("size-3.5", historiesQuery.isFetching && "animate-spin")} />
        </Button>
      </div>

      <div className="border rounded-lg overflow-hidden">
        <Table>
          <TableHeader>
            <TableRow className="bg-muted/30">
              <TableHead className="text-xs font-semibold">事件</TableHead>
              <TableHead className="text-xs font-semibold">渠道</TableHead>
              <TableHead className="text-xs font-semibold">目标</TableHead>
              <TableHead className="text-xs font-semibold">标题</TableHead>
              <TableHead className="text-xs font-semibold">等级</TableHead>
              <TableHead className="text-xs font-semibold">状态</TableHead>
              <TableHead className="text-xs font-semibold">时间</TableHead>
            </TableRow>
          </TableHeader>
          <TableBody>
            {historiesQuery.isLoading ? (
              <TableRow>
                <TableCell colSpan={7} className="h-32">
                  <LoadingStateWithBorder icon={History} description="加载推送历史记录中..." className="border-0 shadow-none" />
                </TableCell>
              </TableRow>
            ) : historiesQuery.isError ? (
              <TableRow>
                <TableCell colSpan={7} className="h-32">
                  <ErrorInline error={historiesQuery.error} onRetry={() => historiesQuery.refetch()} className="justify-center" />
                </TableCell>
              </TableRow>
            ) : (historiesQuery.data?.results ?? []).length === 0 ? (
              <TableRow>
                <TableCell colSpan={7} className="h-32 text-center text-xs text-muted-foreground">
                  无推送历史数据
                </TableCell>
              </TableRow>
            ) : (
              (historiesQuery.data?.results ?? []).map(hist => (
                <TableRow
                  key={hist.id}
                  className="hover:bg-muted/10 cursor-pointer transition-colors"
                  onClick={() => handleRowClick(hist)}
                >
                  <TableCell className="text-xs font-mono font-medium">{hist.event_key}</TableCell>
                  <TableCell className="text-xs uppercase font-semibold text-muted-foreground">
                    {hist.channel === "email" ? "邮件" : hist.channel}
                  </TableCell>
                  <TableCell className="text-xs font-mono text-muted-foreground max-w-[120px] truncate" title={hist.target}>
                    {hist.target}
                  </TableCell>
                  <TableCell className="text-xs max-w-[180px] truncate" title={hist.content}>{hist.title}</TableCell>
                  <TableCell className="text-xs">
                    <Badge variant={getLevelBadgeVariant(hist.level)} className="text-[10px] font-semibold">
                      {hist.level}
                    </Badge>
                  </TableCell>
                  <TableCell className="text-xs">
                    <Badge
                      variant={hist.status === "success" ? "secondary" : "destructive"}
                      className="text-[10px] font-semibold"
                    >
                      {hist.status === "success" ? "成功" : "失败"}
                    </Badge>
                    {hist.status !== "success" && hist.error_msg && (
                      <div className="text-[10px] text-muted-foreground font-mono truncate max-w-[180px] mt-1" title={hist.error_msg}>
                        {hist.error_msg}
                      </div>
                    )}
                  </TableCell>
                  <TableCell className="text-[11px] text-muted-foreground whitespace-nowrap">
                    {new Date(hist.created_at).toLocaleString()}
                  </TableCell>
                </TableRow>
              ))
            )}
          </TableBody>
        </Table>
      </div>

      {historiesQuery.data && historiesQuery.data.total > 0 && (
        <div className="flex justify-between items-center text-xs text-muted-foreground">
          <span>共 {historiesQuery.data.total} 条历史记录</span>
          <div className="flex items-center gap-1.5">
            <Button
              variant="outline"
              size="icon"
              disabled={historyPage === 1}
              onClick={() => setHistoryPage(p => Math.max(1, p - 1))}
              className="h-8 w-8"
            >
              <ChevronLeft className="size-4" />
            </Button>
            <span className="text-xs font-medium px-2">{historyPage}</span>
            <Button
              variant="outline"
              size="icon"
              disabled={historyPage * 10 >= historiesQuery.data.total}
              onClick={() => setHistoryPage(p => p + 1)}
              className="h-8 w-8"
            >
              <ChevronRight className="size-4" />
            </Button>
          </div>
        </div>
      )}

      {/* ==================== 对话框：推送详情 ==================== */}
      <Dialog open={detailOpen} onOpenChange={setDetailOpen}>
        <DialogContent className="sm:max-w-[550px] max-h-[85vh] overflow-y-auto">
          <DialogHeader>
            <DialogTitle className="flex items-center gap-2">
              <History className="size-5 text-primary" />
              推送通知详情
            </DialogTitle>
            <DialogDescription>
              查看该条通知发送的详细审计信息与内容
            </DialogDescription>
          </DialogHeader>

          {selectedHistory && (
            <div className="space-y-4 py-4 text-xs">
              <div className="grid grid-cols-2 gap-4">
                <div className="space-y-1.5">
                  <span className="font-semibold text-muted-foreground block">事件标识</span>
                  <div className="font-mono bg-muted/40 p-2 rounded border">{selectedHistory.event_key}</div>
                </div>
                <div className="space-y-1.5">
                  <span className="font-semibold text-muted-foreground block">发送渠道</span>
                  <div className="bg-muted/40 p-2 rounded border uppercase font-medium">
                    {selectedHistory.channel === "email" ? "邮件推送" : selectedHistory.channel}
                  </div>
                </div>
              </div>

              <div className="grid grid-cols-2 gap-4">
                <div className="space-y-1.5">
                  <span className="font-semibold text-muted-foreground block">推送目标</span>
                  <div className="font-mono bg-muted/40 p-2 rounded border truncate" title={selectedHistory.target}>
                    {selectedHistory.target}
                  </div>
                </div>
                <div className="space-y-1.5">
                  <span className="font-semibold text-muted-foreground block">发送时间</span>
                  <div className="bg-muted/40 p-2 rounded border">
                    {new Date(selectedHistory.created_at).toLocaleString()}
                  </div>
                </div>
              </div>

              <div className="grid grid-cols-2 gap-4">
                <div className="space-y-1.5">
                  <span className="font-semibold text-muted-foreground block">通知等级</span>
                  <div>
                    <Badge variant={getLevelBadgeVariant(selectedHistory.level)} className="text-[10px] font-semibold py-0.5 px-2">
                      {selectedHistory.level}
                    </Badge>
                  </div>
                </div>
                <div className="space-y-1.5">
                  <span className="font-semibold text-muted-foreground block">发送状态</span>
                  <div>
                    <Badge
                      variant={selectedHistory.status === "success" ? "secondary" : "destructive"}
                      className="text-[10px] font-semibold py-0.5 px-2"
                    >
                      {selectedHistory.status === "success" ? "成功" : "失败"}
                    </Badge>
                  </div>
                </div>
              </div>

              {selectedHistory.status === "failed" && selectedHistory.error_msg && (
                <div className="space-y-1.5">
                  <span className="font-semibold text-destructive block">失败原因</span>
                  <div className="font-mono text-destructive bg-destructive/10 p-2.5 rounded border border-destructive/20 whitespace-pre-wrap break-all">
                    {selectedHistory.error_msg}
                  </div>
                </div>
              )}

              <div className="space-y-1.5">
                <span className="font-semibold text-muted-foreground block">通知标题</span>
                <div className="bg-muted/30 p-2.5 rounded border font-medium text-[13px]">
                  {selectedHistory.title}
                </div>
              </div>

              <div className="space-y-1.5">
                <span className="font-semibold text-muted-foreground block">通知内容</span>
                <div className="bg-muted/30 p-3 rounded border whitespace-pre-wrap break-all leading-relaxed font-sans text-xs">
                  {selectedHistory.content}
                </div>
              </div>
            </div>
          )}

          <DialogFooter>
            <Button variant="outline" size="sm" onClick={() => setDetailOpen(false)} className="h-9 text-xs">
              关闭
            </Button>
          </DialogFooter>
        </DialogContent>
      </Dialog>
    </div>
  )
}