import {
	createElement,
	Component,
	useState,
	useRef,
	Fragment,
} from '@wordpress/element'
import cls from 'classnames'
import { __, sprintf } from 'ct-i18n'
import OutsideClickHandler from './react-outside-click-handler'
import RatioModal from './ratio/RatioModal'
import OptionsPanel from '../OptionsPanel'
import { getValueFromInput } from '../helpers/get-value-from-input'

const Ratio = ({ option, value, onChange, onChangeFor, values }) => {
	const [isForcedReversed, setIsReversed] = useState(false)
	let {
		hasOriginalRatio = true,
		// popup | inline
		view = 'popup',
		preview_width_key = null,
	} = option || {}

	let normal_ratios = ['4/3', '16/9', '2/1']
	let reversed_ratios = ['3/4', '9/16', '1/2']

	const el = useRef()

	const [{ isPicking, isTransitioning }, setAnimationState] = useState({
		isPicking: false,
		isTransitioning: false,
	})

	const isReversed =
		normal_ratios.indexOf(value) > -1
			? false
			: reversed_ratios.indexOf(value) > -1
			? true
			: isForcedReversed

	let currentTab =
		value === 'original'
			? 'original'
			: value.indexOf('/') === -1
			? 'custom'
			: 'predefined'

	let isCustom = value.indexOf('/') === -1

	const inlineRatioView = (
		<Fragment>
			<div className="ct-ratio-content">
				<div
					className={cls('ct-ratio-picker', {
						reversed: isReversed,
					})}>
					<ul className="ct-radio-option ct-buttons-group">
						{hasOriginalRatio && (
							<li
								className={cls({
									active: currentTab === 'original',
								})}
								onClick={() => {
									if (value !== 'original') {
										onChange('original')
									}
								}}>
								{__('Original', 'blocksy')}
							</li>
						)}
						<li
							className={cls({
								active: currentTab === 'predefined',
							})}
							onClick={() => {
								if (
									value.indexOf('/') === -1 ||
									value === 'original'
								) {
									onChange(
										option.value === 'original'
											? '1/1'
											: option.value
									)
								}
							}}>
							{__('Predefined', 'blocksy')}
						</li>
						<li
							className={cls({
								active: currentTab === 'custom',
							})}
							onClick={() => {
								if (
									value.indexOf('/') !== -1 ||
									value === 'original'
								) {
									let [first, second] = (
										value === 'original'
											? option.value === 'original'
												? '1/1'
												: option.value
											: value
									).split('/')
									onChange(`${first}:${second}`)
								}
							}}>
							{__('Custom', 'blocksy')}
						</li>
					</ul>

					{currentTab === 'predefined' && (
						<div className="ct-ratio-predefined">
							<ul className="ct-buttons-group">
								{[
									'1/1',
									...(isReversed
										? reversed_ratios
										: normal_ratios),
								].map((ratio) => (
									<li
										key={ratio}
										className={cls({
											active: ratio === value,
										})}
										onClick={() => {
											if (ratio === '1/1') {
												setIsReversed(false)
											}

											onChange(ratio)
										}}>
										{ratio}
									</li>
								))}
							</ul>

							<button
								data-tooltip-reveal="top"
								onClick={(e) => {
									e.preventDefault()

									if (value === '1/1') {
										setIsReversed(!isReversed)
										return
									}

									let [first_component, second_component] =
										value.split('/')

									setIsReversed(
										+first_component < +second_component
									)

									onChange(
										value.split('/').reverse().join('/')
									)
								}}>
								<span />
								<i className="ct-tooltip">Reverse</i>
							</button>
						</div>
					)}

					{currentTab === 'custom' && (
						<div className="ct-ratio-custom">
							<div className="ct-option-input">
								<input
									type="text"
									value={value.split(':')[0]}
									onChange={({ target: { value: val } }) => {
										onChange(
											`${val}:${value.split(':')[1]}`
										)
									}}
								/>
							</div>
							<span>:</span>
							<div className="ct-option-input">
								<input
									type="text"
									value={value.split(':')[1]}
									onChange={({ target: { value: val } }) => {
										onChange(
											`${value.split(':')[0]}:${val}`
										)
									}}
								/>
							</div>

							<div
								className="ct-notification"
								dangerouslySetInnerHTML={{
									__html: sprintf(
										__(
											'Use %sthis tool%s for calculating a custom image ratio based on your image size.',
											'blocksy'
										),
										'<a href="https://www.digitalrebellion.com/webapps/aspectcalc" target="_blank">',
										'</a>'
									),
								}}
							/>
						</div>
					)}

					{currentTab === 'original' && (
						<div className="ct-ratio-original">
							<div className="ct-notification">
								{__(
									'Displays the image using the aspect ratio in which they were uploaded.',
									'blocksy'
								)}
							</div>
						</div>
					)}
				</div>
				{option['inner-options'] && (
					<OptionsPanel
						onChange={(key, val) => {
							onChangeFor(key, val)
						}}
						options={option['inner-options']}
						value={values}
					/>
				)}
			</div>
		</Fragment>
	)

	if (view === 'inline') {
		return inlineRatioView
	}

	return (
		<div ref={el} className={cls('ct-ratio-picker-container', {})}>
			<OutsideClickHandler
				useCapture={false}
				disabled={!isPicking}
				className="ct-ratio-preview"
				onOutsideClick={() => {
					if (!isPicking) {
						return
					}

					setAnimationState({
						isTransitioning: false,
						isPicking: false,
					})
				}}
				wrapperProps={{
					onClick: (e) => {
						e.preventDefault()

						setAnimationState({
							isTransitioning: true,
							isPicking: !isPicking,
						})
					},
				}}>
				{value.indexOf(':') > -1 && (
					<span className="ct-ratio-key">
						{__('Custom', 'blocksy')}
					</span>
				)}

				{value.indexOf('/') > -1 && (
					<span className="ct-ratio-key">
						{__('Predefined', 'blocksy')}
					</span>
				)}

				{value === 'original'
					? __('Original Ratio', 'blocksy')
					: value.replace('/', ':')}

				{preview_width_key && (
					<span className="ct-width-key">
						{values[preview_width_key]}
					</span>
				)}
			</OutsideClickHandler>

			<RatioModal
				el={el}
				value={value}
				onChange={onChange}
				option={option}
				isPicking={isPicking}
				isTransitioning={isTransitioning}
				onPickingChange={(isPicking) => {
					setAnimationState({
						isTransitioning: true,
						isPicking,
					})
				}}
				stopTransitioning={() =>
					setAnimationState({
						isPicking,
						isTransitioning: false,
					})
				}
				renderContent={() => inlineRatioView}
			/>
		</div>
	)
}

Ratio.ControlEnd = () => (
	<div
		className="ct-color-modal-wrapper"
		onMouseDown={(e) => e.stopPropagation()}
		onMouseUp={(e) => e.stopPropagation()}
	/>
)

export default Ratio