"use client"

import { useState } from "react"
import { DashboardShell } from "@/components/dashboard-shell"
import { DashboardHeader } from "@/components/dashboard-header"
import { Button } from "@/components/ui/button"
import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from "@/components/ui/card"
import { Input } from "@/components/ui/input"
import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table"
import { Badge } from "@/components/ui/badge"
import { Search, Edit } from "lucide-react"
import { Checkbox } from "@/components/ui/checkbox"
import { RoleDialog, type Role } from "@/components/permissions/role-dialog"
import { DeleteConfirmationDialog } from "@/components/delete-confirmation-dialog"
import { useToast } from "@/components/ui/use-toast"

// 初始角色数据
const initialRoles: Role[] = [
  {
    id: "1",
    name: "超级管理员",
    description: "拥有系统所有权限，可以管理所有功能",
    userCount: 1,
    createdAt: "2023-01-01",
    status: "系统角色",
    permissions: {
      "dashboard.view": true,
      "dashboard.edit": true,
      "users.view": true,
      "users.create": true,
      "users.edit": true,
      "users.delete": true,
      "roles.view": true,
      "roles.create": true,
      "roles.edit": true,
      "roles.delete": true,
      "ai.view": true,
      "ai.create": true,
      "ai.edit": true,
      "ai.delete": true,
      "outfits.view": true,
      "outfits.create": true,
      "outfits.edit": true,
      "outfits.delete": true,
      "props.view": true,
      "props.create": true,
      "props.edit": true,
      "props.delete": true,
      "homeDecor.view": true,
      "homeDecor.create": true,
      "homeDecor.edit": true,
      "homeDecor.delete": true,
      "food.view": true,
      "food.create": true,
      "food.edit": true,
      "food.delete": true,
      "songs.view": true,
      "songs.create": true,
      "songs.edit": true,
      "songs.delete": true,
      "settings.view": true,
      "settings.edit": true,
      "affinity.view": true,
      "affinity.create": true,
      "affinity.edit": true,
      "affinity.delete": true,
    },
  },
  {
    id: "2",
    name: "内容管理员",
    description: "管理系统内容，包括服装、道具、歌曲等",
    userCount: 3,
    createdAt: "2023-03-15",
    status: "自定义角色",
    permissions: {
      "dashboard.view": true,
      "outfits.view": true,
      "outfits.create": true,
      "outfits.edit": true,
      "outfits.delete": true,
      "props.view": true,
      "props.create": true,
      "props.edit": true,
      "props.delete": true,
      "homeDecor.view": true,
      "homeDecor.create": true,
      "homeDecor.edit": true,
      "homeDecor.delete": true,
      "food.view": true,
      "food.create": true,
      "food.edit": true,
      "food.delete": true,
      "songs.view": true,
      "songs.create": true,
      "songs.edit": true,
      "songs.delete": true,
    },
  },
  {
    id: "3",
    name: "AI模型管理员",
    description: "管理AI模型、语音合成和知识库",
    userCount: 2,
    createdAt: "2023-05-20",
    status: "自定义角色",
    permissions: {
      "dashboard.view": true,
      "ai.view": true,
      "ai.create": true,
      "ai.edit": true,
      "ai.delete": true,
    },
  },
  {
    id: "4",
    name: "卡牌管理员",
    description: "管理卡牌系统，包括服装、道具、家居装饰等",
    userCount: 4,
    createdAt: "2023-07-10",
    status: "自定义角色",
    permissions: {
      "dashboard.view": true,
      "outfits.view": true,
      "outfits.create": true,
      "outfits.edit": true,
      "props.view": true,
      "props.create": true,
      "props.edit": true,
      "homeDecor.view": true,
      "homeDecor.create": true,
      "homeDecor.edit": true,
      "food.view": true,
      "food.create": true,
      "food.edit": true,
    },
  },
  {
    id: "5",
    name: "查看者",
    description: "只有查看权限，无法修改任何内容",
    userCount: 2,
    createdAt: "2023-09-05",
    status: "自定义角色",
    permissions: {
      "dashboard.view": true,
    },
  },
]

export default function PermissionsPage() {
  const [roles, setRoles] = useState<Role[]>(initialRoles)
  const [searchQuery, setSearchQuery] = useState("")
  const [editingRole, setEditingRole] = useState<Role | null>(null)
  const { toast } = useToast()

  // 过滤角色
  const filteredRoles = roles.filter(
    (role) =>
      role.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
      role.description.toLowerCase().includes(searchQuery.toLowerCase()),
  )

  // 添加角色
  const handleAddRole = async (data: any) => {
    const newRole: Role = {
      id: `${roles.length + 1}`,
      name: data.name,
      description: data.description,
      userCount: 0,
      createdAt: new Date().toISOString().split("T")[0],
      status: data.status,
      permissions: data.permissions,
    }

    setRoles([...roles, newRole])
    toast({
      title: "角色创建成功",
      description: `角色 "${data.name}" 已成功创建`,
      variant: "default",
    })
  }

  // 编辑角色
  const handleEditRole = async (data: any) => {
    if (!editingRole) return

    const updatedRoles = roles.map((role) =>
      role.id === editingRole.id
        ? {
            ...role,
            name: data.name,
            description: data.description,
            status: data.status,
            permissions: data.permissions,
          }
        : role,
    )

    setRoles(updatedRoles)
    setEditingRole(null)
    toast({
      title: "角色更新成功",
      description: `角色 "${data.name}" 已成功更新`,
      variant: "default",
    })
  }

  // 删除角色
  const handleDeleteRole = async (roleId: string) => {
    const updatedRoles = roles.filter((role) => role.id !== roleId)
    setRoles(updatedRoles)
    toast({
      title: "角色删除成功",
      description: "角色已成功删除",
      variant: "default",
    })
  }

  // 开始���辑角色
  const startEditRole = (role: Role) => {
    setEditingRole(role)
  }

  return (
    <DashboardShell>
      <DashboardHeader heading="权限管理" text="管理系统角色和权限">
        <RoleDialog mode="add" onSubmit={handleAddRole} />
      </DashboardHeader>

      <div className="flex items-center justify-between space-y-2 mb-6">
        <div className="flex items-center space-x-2">
          <div className="relative">
            <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
            <Input
              type="search"
              placeholder="搜索角色..."
              className="w-[300px] pl-8 border-none bg-white shadow-md focus-visible:ring-pink-500"
              value={searchQuery}
              onChange={(e) => setSearchQuery(e.target.value)}
            />
          </div>
        </div>
      </div>

      <Card className="border-none shadow-lg bg-gradient-to-br from-white to-purple-50">
        <CardHeader>
          <CardTitle className="text-xl font-bold flex items-center">
            <span className="bg-clip-text text-transparent bg-gradient-to-r from-purple-600 to-pink-600">角色列表</span>
            <div className="ml-2 h-1 w-10 bg-gradient-to-r from-purple-600 to-pink-600 rounded-full"></div>
          </CardTitle>
          <CardDescription>管理系统角色和权限</CardDescription>
        </CardHeader>
        <CardContent>
          <Table>
            <TableHeader className="bg-gray-50">
              <TableRow>
                <TableHead className="w-[150px]">角色名称</TableHead>
                <TableHead>描述</TableHead>
                <TableHead>用户数量</TableHead>
                <TableHead>创建日期</TableHead>
                <TableHead>状态</TableHead>
                <TableHead className="text-right">操作</TableHead>
              </TableRow>
            </TableHeader>
            <TableBody>
              {filteredRoles.map((role) => (
                <TableRow key={role.id} className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">{role.name}</TableCell>
                  <TableCell>{role.description}</TableCell>
                  <TableCell>{role.userCount}</TableCell>
                  <TableCell>{role.createdAt}</TableCell>
                  <TableCell>
                    <Badge className={role.status === "系统角色" ? "bg-purple-500" : "bg-blue-500"}>
                      {role.status}
                    </Badge>
                  </TableCell>
                  <TableCell className="text-right">
                    <Button
                      variant="ghost"
                      size="icon"
                      className="hover:bg-pink-50 hover:text-pink-600"
                      onClick={() => startEditRole(role)}
                    >
                      <Edit className="h-4 w-4" />
                    </Button>
                    {role.status !== "系统角色" && (
                      <DeleteConfirmationDialog
                        title="删除角色"
                        description="此操作将永久删除该角色，且无法恢复。"
                        itemName={role.name}
                        onDelete={() => handleDeleteRole(role.id)}
                      />
                    )}
                  </TableCell>
                </TableRow>
              ))}
              {filteredRoles.length === 0 && (
                <TableRow>
                  <TableCell colSpan={6} className="h-24 text-center text-muted-foreground">
                    没有找到匹配的角色
                  </TableCell>
                </TableRow>
              )}
            </TableBody>
          </Table>
        </CardContent>
        <CardFooter className="flex justify-between">
          <div className="text-sm text-muted-foreground">
            显示 {filteredRoles.length} 共 {roles.length} 个角色
          </div>
        </CardFooter>
      </Card>

      <Card className="border-none shadow-lg bg-gradient-to-br from-white to-blue-50 mt-6">
        <CardHeader>
          <CardTitle className="text-lg font-bold flex items-center">
            <span className="bg-clip-text text-transparent bg-gradient-to-r from-blue-600 to-teal-600">权限矩阵</span>
            <div className="ml-2 h-1 w-10 bg-gradient-to-r from-blue-600 to-teal-600 rounded-full"></div>
          </CardTitle>
          <CardDescription>角色权限分配表</CardDescription>
        </CardHeader>
        <CardContent>
          <div className="overflow-x-auto">
            <Table>
              <TableHeader className="bg-gray-50">
                <TableRow>
                  <TableHead className="w-[200px]">权限/角色</TableHead>
                  {roles.map((role) => (
                    <TableHead key={role.id}>{role.name}</TableHead>
                  ))}
                </TableRow>
              </TableHeader>
              <TableBody>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">仪表盘查看</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["dashboard.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">用户管理</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["users.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">角色权限管理</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["roles.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">AI模型管理</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["ai.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">服装管理</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["outfits.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">道具管理</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["props.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">歌曲管理</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["songs.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
                <TableRow className="hover:bg-gray-50 transition-colors">
                  <TableCell className="font-medium">系统设置</TableCell>
                  {roles.map((role) => (
                    <TableCell key={role.id}>
                      <Checkbox checked={role.permissions["settings.view"]} disabled />
                    </TableCell>
                  ))}
                </TableRow>
              </TableBody>
            </Table>
          </div>
        </CardContent>
      </Card>

      {/* 编辑角色对话框 */}
      {editingRole && (
        <RoleDialog
          mode="edit"
          open={!!editingRole}
          onOpenChange={(open) => {
            if (!open) setEditingRole(null)
          }}
          onSubmit={handleEditRole}
          defaultValues={{
            name: editingRole.name,
            description: editingRole.description,
            status: editingRole.status,
            permissions: editingRole.permissions,
          }}
        />
      )}
    </DashboardShell>
  )
}
