"use client"

import { ChevronDownIcon, SearchIcon } from "lucide-react"
import type { ComponentProps } from "react"
import { Collapsible, CollapsibleContent, CollapsibleTrigger } from "@/components/ui/collapsible"
import { cn } from "@/lib/utils"

export type TaskItemFileProps = ComponentProps<"div">

export const TaskItemFile = ({ children, className, ...props }: TaskItemFileProps) => (
  <div
    className={cn(
      "inline-flex items-center gap-1 rounded-md border bg-secondary px-1.5 py-0.5 text-foreground text-xs",
      className,
    )}
    {...props}
  >
    {children}
  </div>
)

export type TaskItemProps = ComponentProps<"div">

export const TaskItem = ({ children, className, ...props }: TaskItemProps) => (
  <div className={cn("text-muted-foreground text-sm", className)} {...props}>
    {children}
  </div>
)

export type TaskProps = ComponentProps<typeof Collapsible>

export const Task = ({ defaultOpen = true, className, ...props }: TaskProps) => (
  <Collapsible className={cn(className)} defaultOpen={defaultOpen} {...props} />
)

export type TaskTriggerProps = ComponentProps<typeof CollapsibleTrigger> & {
  title: string
}

export const TaskTrigger = ({ children, className, title, ...props }: TaskTriggerProps) => (
  <CollapsibleTrigger asChild className={cn("group", className)} {...props}>
    {children ?? (
      <div className="flex w-full cursor-pointer items-center gap-2 text-muted-foreground text-sm transition-colors hover:text-foreground">
        <SearchIcon className="size-4" />
        <p className="text-sm">{title}</p>
        <ChevronDownIcon className="size-4 transition-transform group-data-[state=open]:rotate-180" />
      </div>
    )}
  </CollapsibleTrigger>
)

export type TaskContentProps = ComponentProps<typeof CollapsibleContent>

export const TaskContent = ({ children, className, ...props }: TaskContentProps) => (
  <CollapsibleContent
    className={cn(
      "data-[state=closed]:fade-out-0 data-[state=closed]:slide-out-to-top-2 data-[state=open]:slide-in-from-top-2 text-popover-foreground outline-none data-[state=closed]:animate-out data-[state=open]:animate-in",
      className,
    )}
    {...props}
  >
    <div className="mt-4 space-y-2 border-muted border-l-2 pl-4">{children}</div>
  </CollapsibleContent>
)

/** Demo component for preview */
export default function TaskDemo() {
  return (
    <div className="p-6" style={{ height: "200px" }}>
      <Task className="w-full">
        <TaskTrigger title="Found project files" />
        <TaskContent>
          <TaskItem>Searching {'"'}app/page.tsx, components structure{'"'}</TaskItem>
          <TaskItem>
            <span className="inline-flex items-center gap-1">
              Read{" "}
              <TaskItemFile>
                <span>page.tsx</span>
              </TaskItemFile>
            </span>
          </TaskItem>
          <TaskItem>Scanning 52 files</TaskItem>
          <TaskItem>
            <span className="inline-flex items-center gap-1">
              Reading files{" "}
              <TaskItemFile>
                <span>layout.tsx</span>
              </TaskItemFile>
            </span>
          </TaskItem>
        </TaskContent>
      </Task>
    </div>
  )
}