"use client"

import { delay } from "motion"
import * as motion from "motion/react-client"
import { useEffect, useState } from "react"

export default function Keyframes() {
    const [aspectRatio, setAspectRatio] = useState(1)
    const [width, setWidth] = useState(100)

    const debouncedAspectRatio = useDebouncedState(aspectRatio)
    const debouncedWidth = useDebouncedState(width)

    return (
        <div id="example">
            <div className="container">
                <motion.div
                    layout
                    className="box"
                    style={{
                        aspectRatio: debouncedAspectRatio,
                        width: debouncedWidth,
                        borderRadius: 20,
                    }}
                ></motion.div>
            </div>
            <div className="inputContainer">
                <div>
                    <Input
                        value={aspectRatio}
                        set={(newValue) => setAspectRatio(newValue)}
                        min={0.1}
                        max={5}
                        step={0.1}
                    >
                        Aspect ratio
                    </Input>
                    <Input
                        value={width}
                        set={(newValue) => setWidth(newValue)}
                        min={10}
                        max={1000}
                        step={5}
                    >
                        Width
                    </Input>
                </div>
            </div>
            <StyleSheet />
        </div>
    )
}

interface InputProps {
    children: string
    value: number
    set: (newValue: number) => void
    min?: number
    max?: number
    step?: number
}

function Input({ value, children, set, min = 0, max = 100, step }: InputProps) {
    return (
        <label>
            <code>{children}</code>
            <input
                value={value}
                type="range"
                min={min}
                max={max}
                step={step}
                onChange={(e) => set(parseFloat(e.target.value))}
            />
            <input
                type="number"
                value={value}
                min={min}
                max={max}
                onChange={(e) => set(parseFloat(e.target.value) || 0)}
            />
        </label>
    )
}

function useDebouncedState<T>(value: T, duration: number = 0.2): T {
    const [debouncedValue, setDebouncedValue] = useState<T>(value)
    useEffect(() => {
        return delay(() => setDebouncedValue(value), duration)
    }, [value, duration])
    return debouncedValue
}

/**
 * ==============   Styles   ================
 */

function StyleSheet() {
    return (
        <style>{`
            .container {
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                width: 300px;
                height: 300px;
                gap: 20px;
            }

            .box {
                background-color: #4ff0b7;
                position: relative;
                z-index: 1;
            }

            .inputContainer {
                display: flex;
                flex-direction: row;
                gap: 20px;
                background-color: var(--layer);
                padding: 20px 40px;
                border-radius: 10px;
                position: relative;
                z-index: 2;
            }

            #example {
                display: flex;
                align-items: center;
                flex-direction: column;
            }

            #example input {
                accent-color: #4ff0b7;
                font-family: "Azeret Mono", monospace;
                font-size: 12px;
            }

            #example .inputs {
                display: flex;
                flex-direction: column;
                padding-left: 50px;
            }

            #example label {
                display: flex;
                align-items: center;
                margin: 10px 0;
                font-size: 12px;
            }

            #example label code {
                width: 100px;
            }

            #example input[type="number"] {
                border: 0;
                border-bottom: 1px dotted #4ff0b7;
                color: #4ff0b7;
                margin-left: 10px;
                background: transparent;
            }

            #example input[type="number"]:focus {
                outline: none;
                border-bottom: 2px solid #4ff0b7;
            }

            #example input[type="number"]::-webkit-inner-spin-button {
                -webkit-appearance: none;
            }

            input[type='range']::-webkit-slider-runnable-track {
                height: 10px;
                -webkit-appearance: none;
                background: var(--layer);
                border: 1px solid var(--border);
                border-radius: 10px;
                margin-top: -1px;
            }

            input[type='range']::-webkit-slider-thumb {
                -webkit-appearance: none;
                height: 20px;
                width: 20px;
                border-radius: 50%;
                background: #4ff0b7;
                top: -4px;
                position: relative;
            }
        `}</style>
    )
}