import { __ } from "@wordpress/i18n";
import { InspectorControls } from "@wordpress/block-editor";
import { useState } from "@wordpress/element";

import {
	FocalPointPicker,
	PanelBody,
	SelectControl,
	Button,
	Modal,
	TextControl,
} from "@wordpress/components";

export default function focusPointsControl({
	focusPoints,
	coverUrl,
	setAttributes,
}) {
	const [isModalOpen, setIsModalOpen] = useState(false);

	const focusPointsDefaultValue = {
		titre: "pas de titre",
		x: 0.5,
		y: 0.5,
	};
	const [selectedOptionIndex, setSelectedOptionIndex] = useState(null);

	const [currentEditedFocusPoint, setCurrentEditedFocusPoint] = useState(
		focusPointsDefaultValue,
	);
	let [isAdding, setIsAdding] = useState(true);
	let [isEditing, setIsEditing] = useState(false);

	function buildOptions() {
		// HANDLE OPTIONS
		const focusPointsOptions = focusPoints.map((point, arrayIndex) => {
			return {
				label: `#${point.titre}`,
				value: arrayIndex,
			};
		});
		focusPointsOptions.unshift({
			label: "Nouveau point",
			value: "addpoint",
			selected: true,
			// disabled: true,
		});

		return focusPointsOptions;
	}

	function handleChangeOption(selectedValue) {
		setIsEditing(false);
		setIsAdding(false);

		if (selectedValue === "addpoint") {
			setIsAdding(true);
			setIsEditing(false);
			return;
		}
		if (selectedValue !== null && selectedValue !== "") {
			setIsEditing(true);
			setSelectedOptionIndex(selectedValue);
			setCurrentEditedFocusPoint(focusPoints[selectedValue]);
			return;
		}
	}

	function createFocusPoint() {
		const newFocusPoints = [...focusPoints];
		newFocusPoints.push(currentEditedFocusPoint);
		setAttributes({ focusPoints: newFocusPoints });
		setCurrentEditedFocusPoint(focusPointsDefaultValue);
	}

	function editFocusPoint() {
		setIsModalOpen(!isModalOpen);
		setCurrentEditedFocusPoint(focusPoints[selectedOptionIndex]);
	}

	function updateFocusPoint() {
		const newFocusPoints = [...focusPoints];
		newFocusPoints[selectedOptionIndex] = currentEditedFocusPoint;
		setAttributes({ focusPoints: newFocusPoints });
		setCurrentEditedFocusPoint(focusPointsDefaultValue);
		setIsEditing(false);
	}

	function deleteFocusPoint() {
		const newFocusPoints = [...focusPoints];
		newFocusPoints.splice(selectedOptionIndex, 1);
		setAttributes({ focusPoints: newFocusPoints });
		setIsEditing(false);
	}

	const focusPointsOptions = buildOptions();

	return (
		<InspectorControls>
			{coverUrl && (
				<>
					<PanelBody
						className="focus-points-pannel"
						title="Gestion des points de focus"
					>
						<SelectControl
							options={focusPointsOptions}
							onChange={(selectValue) => {
								handleChangeOption(selectValue);
							}}
						/>
						{isAdding && (
							<Button
								variant="primary"
								onClick={() => {
									setIsModalOpen(!isModalOpen);
								}}
							>
								Ajouter un focus
							</Button>
						)}
						{isEditing && (
							<>
								<Button variant="secondary" onClick={deleteFocusPoint}>
									Supprimer
								</Button>
								<Button variant="secondary" onClick={editFocusPoint}>
									Éditer
								</Button>
							</>
						)}

						{/* Popover */}
						{isModalOpen && (
							<Modal
								className="illustration-thematique-adding-focus-point-modal"
								// title="Ajouter un focus point"
								id="illustration-thematique-adding-focus-point-modal"
								onRequestClose={() => setIsModalOpen(false)}
							>
								<TextControl
									label="Titre du point focus"
									value={currentEditedFocusPoint.titre}
									onChange={(value) => {
										setCurrentEditedFocusPoint({
											...currentEditedFocusPoint,
											titre: value,
										});
									}}
								/>
								<FocalPointPicker
									url={coverUrl}
									dimensions={{
										width: 400,
										height: 50,
									}}
									value={currentEditedFocusPoint}
									onChange={(focalPoint) => {
										setCurrentEditedFocusPoint({
											...currentEditedFocusPoint,
											x: focalPoint.x,
											y: focalPoint.y,
										});
									}}
								/>

								{isAdding && (
									<Button
										variant="primary"
										onClick={() => {
											createFocusPoint();
											setIsModalOpen(false);
										}}
									>
										Ajouter
									</Button>
								)}
								{isEditing && (
									<>
										<Button
											variant="primary"
											onClick={() => {
												updateFocusPoint();
												setIsModalOpen(false);
											}}
										>
											Valider
										</Button>
									</>
								)}
							</Modal>
						)}
					</PanelBody>
				</>
			)}
		</InspectorControls>
	);
}