"use client"
import { useState, useEffect, useRef } from "react"
import { motion, AnimatePresence } from "framer-motion"
import { ListOfTasks, Task } from "@/lib/schema/tasks"
import { Input } from "@/components/ui/input"
import { Button } from "@/components/ui/button"
import { useAccount } from "@/lib/providers/jazz-provider"
import { LaIcon } from "@/components/custom/la-icon"
import { Checkbox } from "@/components/ui/checkbox"
import { format } from "date-fns"

interface TaskFormProps {}

export const TaskForm: React.FC<TaskFormProps> = ({}) => {
	const [title, setTitle] = useState("")
	const [inputVisible, setInputVisible] = useState(false)
	const { me } = useAccount({ root: {} })
	const inputRef = useRef<HTMLInputElement>(null)

	const handleSubmit = (e: React.FormEvent) => {
		e.preventDefault()
		if (title.trim()) {
			if (me?.root?.tasks === undefined) {
				if (!me) return
				me.root.tasks = ListOfTasks.create([], { owner: me })
			}

			const newTask = Task.create(
				{
					title,
					description: "",
					status: "todo",
					createdAt: new Date(),
					updatedAt: new Date()
				},
				{ owner: me._owner }
			)
			me.root.tasks?.push(newTask)
			resetForm()
		}
	}

	const resetForm = () => {
		setTitle("")
		setInputVisible(false)
	}

	const handleKeyDown = (e: React.KeyboardEvent) => {
		if (e.key === "Escape") {
			resetForm()
		} else if (e.key === "Backspace" && title.trim() === "") {
			resetForm()
		}
	}

	useEffect(() => {
		if (inputVisible && inputRef.current) {
			inputRef.current.focus()
		}
	}, [inputVisible])

	const formattedDate = format(new Date(), "EEE, MMMM do, yyyy")

	return (
		<div className="flex items-center space-x-2">
			<AnimatePresence mode="wait">
				{!inputVisible ? (
					<motion.div
						key="add-button"
						initial={{ opacity: 0, width: 0 }}
						animate={{ opacity: 1, width: "auto" }}
						exit={{ opacity: 0, width: 0 }}
						transition={{ duration: 0.3 }}
					>
						<Button
							className="flex flex-row items-center gap-1"
							onClick={() => setInputVisible(true)}
							variant="outline"
						>
							<LaIcon name="Plus" />
							Add task
						</Button>
					</motion.div>
				) : (
					<motion.form
						key="input-form"
						initial={{ width: 0, opacity: 0 }}
						animate={{ width: "100%", opacity: 1 }}
						exit={{ width: 0, opacity: 0 }}
						transition={{ duration: 0.3 }}
						onSubmit={handleSubmit}
						className="bg-result flex w-full items-center justify-between rounded-lg p-2 px-3"
					>
						<div className="flex flex-row items-center gap-3">
							<Checkbox checked={false} onCheckedChange={() => {}} />
							<Input
								autoFocus
								ref={inputRef}
								value={title}
								className="flex-grow border-none bg-transparent p-0 focus-visible:ring-0"
								onChange={e => setTitle(e.target.value)}
								onKeyDown={handleKeyDown}
								// placeholder="Task title"
							/>
						</div>
						<div className="flex items-center space-x-2">
							<span className="text-muted-foreground text-xs">{formattedDate}</span>
						</div>
					</motion.form>
				)}
			</AnimatePresence>
		</div>
	)
}