"use client"

import { useState } from "react"
import { MoreHorizontal, Pencil, Trash, Eye, Copy } from "lucide-react"
import { useRouter } from "next/navigation"

import { Button } from "@/shared/components/ui/button"
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/shared/components/ui/dropdown-menu"
import {
  AlertDialog,
  AlertDialogAction,
  AlertDialogCancel,
  AlertDialogContent,
  AlertDialogDescription,
  AlertDialogFooter,
  AlertDialogHeader,
  AlertDialogTitle,
} from "@/shared/components/ui/alert-dialog"
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogHeader,
  DialogTitle,
} from "@/shared/components/ui/dialog"

import { Question } from "../types"
import { deleteQuestionAction } from "../actions"
import { CreateQuestionDialog } from "./create-question-dialog"
import { toast } from "sonner"

interface QuestionActionsProps {
  question: Question
}

export function QuestionActions({ question }: QuestionActionsProps) {
  const router = useRouter()
  const [showEditDialog, setShowEditDialog] = useState(false)
  const [showDeleteDialog, setShowDeleteDialog] = useState(false)
  const [showViewDialog, setShowViewDialog] = useState(false)
  const [isDeleting, setIsDeleting] = useState(false)

  const copyId = () => {
    navigator.clipboard.writeText(question.id)
    toast.success("Question ID copied to clipboard")
  }

  const handleDelete = async () => {
    setIsDeleting(true)
    try {
      const fd = new FormData()
      fd.set("id", question.id)
      const res = await deleteQuestionAction(undefined, fd)
      if (res.success) {
        toast.success("Question deleted successfully")
        setShowDeleteDialog(false)
        router.refresh()
      } else {
        toast.error(res.message || "Failed to delete question")
      }
    } catch {
      toast.error("Failed to delete question")
    } finally {
      setIsDeleting(false)
    }
  }

  return (
    <>
      <DropdownMenu>
        <DropdownMenuTrigger asChild>
          <Button variant="ghost" className="h-8 w-8 p-0">
            <span className="sr-only">Open menu</span>
            <MoreHorizontal className="h-4 w-4" />
          </Button>
        </DropdownMenuTrigger>
        <DropdownMenuContent align="end">
          <DropdownMenuLabel>Actions</DropdownMenuLabel>
          <DropdownMenuItem onClick={copyId}>
            <Copy className="mr-2 h-4 w-4" /> Copy ID
          </DropdownMenuItem>
          <DropdownMenuSeparator />
          <DropdownMenuItem onClick={() => setShowViewDialog(true)}>
            <Eye className="mr-2 h-4 w-4" /> View Details
          </DropdownMenuItem>
          <DropdownMenuItem onClick={() => setShowEditDialog(true)}>
            <Pencil className="mr-2 h-4 w-4" /> Edit
          </DropdownMenuItem>
          <DropdownMenuItem 
            className="text-destructive focus:text-destructive"
            onClick={() => setShowDeleteDialog(true)}
          >
            <Trash className="mr-2 h-4 w-4" /> Delete
          </DropdownMenuItem>
        </DropdownMenuContent>
      </DropdownMenu>

      <CreateQuestionDialog 
        open={showEditDialog} 
        onOpenChange={setShowEditDialog} 
        initialData={question}
      />

      <AlertDialog open={showDeleteDialog} onOpenChange={setShowDeleteDialog}>
        <AlertDialogContent>
          <AlertDialogHeader>
            <AlertDialogTitle>Are you absolutely sure?</AlertDialogTitle>
            <AlertDialogDescription>
              This action cannot be undone. This will permanently delete the question
              and remove it from our servers.
            </AlertDialogDescription>
          </AlertDialogHeader>
          <AlertDialogFooter>
            <AlertDialogCancel>Cancel</AlertDialogCancel>
            <AlertDialogAction 
              onClick={(e) => {
                e.preventDefault()
                handleDelete()
              }}
              className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
              disabled={isDeleting}
            >
              {isDeleting ? "Deleting..." : "Delete"}
            </AlertDialogAction>
          </AlertDialogFooter>
        </AlertDialogContent>
      </AlertDialog>

      <Dialog open={showViewDialog} onOpenChange={setShowViewDialog}>
        <DialogContent>
            <DialogHeader>
                <DialogTitle>Question Details</DialogTitle>
                <DialogDescription>ID: {question.id}</DialogDescription>
            </DialogHeader>
            <div className="grid gap-4 py-4">
                <div className="grid grid-cols-4 items-center gap-4">
                    <span className="font-medium">Type:</span>
                    <span className="col-span-3 capitalize">{question.type.replaceAll("_", " ")}</span>
                </div>
                <div className="grid grid-cols-4 items-center gap-4">
                    <span className="font-medium">Difficulty:</span>
                    <span className="col-span-3">{question.difficulty}</span>
                </div>
                <div className="grid grid-cols-4 items-start gap-4">
                    <span className="font-medium pt-1">Content:</span>
                    <div className="col-span-3 rounded-md bg-muted p-2 text-sm">
                        {typeof question.content === "string"
                          ? question.content
                          : JSON.stringify(question.content, null, 2)}
                    </div>
                </div>
                 {question.author && (
                     <div className="grid grid-cols-4 items-center gap-4">
                        <span className="font-medium">Author:</span>
                        <span className="col-span-3">{question.author.name || "Unknown"}</span>
                    </div>
                 )}
                 {question.knowledgePoints && question.knowledgePoints.length > 0 && (
                     <div className="grid grid-cols-4 items-center gap-4">
                        <span className="font-medium">Tags:</span>
                        <div className="col-span-3 flex flex-wrap gap-1">
                            {question.knowledgePoints.map(kp => (
                                <span key={kp.id} className="rounded-full bg-secondary px-2 py-0.5 text-xs text-secondary-foreground">
                                    {kp.name}
                                </span>
                            ))}
                        </div>
                    </div>
                 )}
            </div>
        </DialogContent>
      </Dialog>
    </>
  )
}