<?php
/**
 * Background Field.
 *
 * @package     ReduxFramework/Fields
 * @author      Dovy Paukstys & Kevin Provance (kprovance)
 * @version     4.0.0
 */

defined( 'ABSPATH' ) || exit;

// Don't duplicate me!
if ( ! class_exists( 'Redux_Background', false ) ) {

	/**
	 * Main Redux_background class
	 *
	 * @since       3.1.5
	 */
	class Redux_Background extends Redux_Field {

		/**
		 * Set field and value defaults.
		 */
		public function set_defaults() {
			$defaults = array(
				'background-color'      => true,
				'background-repeat'     => true,
				'background-attachment' => true,
				'background-position'   => true,
				'background-image'      => true,
				'background-gradient'   => false,
				'background-clip'       => false,
				'background-origin'     => false,
				'background-size'       => true,
				'preview_media'         => false,
				'preview'               => true,
				'preview_height'        => '200px',
				'transparent'           => true,
			);

			$this->field = wp_parse_args( $this->field, $defaults );

			// No errors please.
			$defaults = array(
				'background-color'      => '',
				'background-repeat'     => '',
				'background-attachment' => '',
				'background-position'   => '',
				'background-image'      => '',
				'background-clip'       => '',
				'background-origin'     => '',
				'background-size'       => '',
				'media'                 => array(),
			);

			$this->value = wp_parse_args( $this->value, $defaults );

			$defaults = array(
				'id'        => '',
				'width'     => '',
				'height'    => '',
				'thumbnail' => '',
			);

			$this->value['media'] = wp_parse_args( $this->value['media'], $defaults );
		}

		/**
		 * Field Render Function.
		 * Takes the vars and outputs the HTML for the field in the settings
		 *
		 * @since       1.0.0
		 * @access      public
		 * @return      void
		 */
		public function render() {
			$this->select2_config['allowClear'] = true;

			if ( isset( $this->field['select2'] ) ) {
				$this->field['select2'] = wp_parse_args( $this->field['select2'], $this->select2_config );
			} else {
				$this->field['select2'] = $this->select2_config;
			}

			$this->field['select2'] = Redux_Functions::sanitize_camel_case_array_keys( $this->field['select2'] );

			$select2_data = Redux_Functions::create_data_string( $this->field['select2'] );

			if ( true === $this->field['background-color'] ) {
				if ( isset( $this->value['color'] ) && empty( $this->value['background-color'] ) ) {
					$this->value['background-color'] = $this->value['color'];
				}

				$def_bg_color = $this->field['default']['background-color'] ?? '';

				echo '<input ';
				echo 'data-id="' . esc_attr( $this->field['id'] ) . '"';
				echo 'name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-color]"';
				echo 'id="' . esc_attr( $this->field['id'] ) . '-color"';
				echo 'class="color-picker redux-color redux-background-input redux-color-init ' . esc_attr( $this->field['class'] ) . '"';
				echo 'type="text" value="' . esc_attr( $this->value['background-color'] ) . '"';
				echo 'data-default-color="' . esc_attr( $def_bg_color ) . '"';

				$data = array(
					'field' => $this->field,
					'index' => 'color',
				);

				echo Redux_Functions_Ex::output_alpha_data( $data);

				echo '>';

				echo '<input type="hidden" class="redux-saved-color" id="' . esc_attr( $this->field['id'] ) . '-saved-color" value="">';

				if ( ! isset( $this->field['transparent'] ) || false !== $this->field['transparent'] ) {
					$is_checked = '';
					if ( 'transparent' === $this->value['background-color'] ) {
						$is_checked = ' checked="checked"';
					}
					echo '<label for="' . esc_attr( $this->field['id'] ) . '-transparency" class="color-transparency-check"><input type="checkbox" class="checkbox color-transparency redux-background-input ' . esc_attr( $this->field['class'] ) . '" id="' . esc_attr( $this->field['id'] ) . '-transparency" data-id="' . esc_attr( $this->field['id'] ) . '-color" value="1" ' . esc_html( $is_checked ) . '> ' . esc_html__( 'Transparent', 'redux-framework' ) . '</label>';
				}

				if ( true === $this->field['background-repeat'] || true === $this->field['background-position'] || true === $this->field['background-attachment'] ) {
					echo '<br />';
				}
			}

			if ( $this->field['background-image'] ) {
				if ( true === $this->field['background-repeat'] ) {
					$array = array(
						'no-repeat' => esc_html__( 'No Repeat', 'redux-framework' ),
						'repeat'    => esc_html__( 'Repeat All', 'redux-framework' ),
						'repeat-x'  => esc_html__( 'Repeat Horizontally', 'redux-framework' ),
						'repeat-y'  => esc_html__( 'Repeat Vertically', 'redux-framework' ),
						'inherit'   => esc_html__( 'Inherit', 'redux-framework' ),
					);

					echo '<select id="' . esc_attr( $this->field['id'] ) . '-repeat-select" data-placeholder="' . esc_html__( 'Background Repeat', 'redux-framework' ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-repeat]" class="redux-select-item redux-background-input redux-background-repeat ' . esc_attr( $this->field['class'] ) . '"' . esc_attr( $select2_data ) . '>';
					echo '<option></option>';

					foreach ( $array as $k => $v ) {
						echo '<option value="' . esc_attr( $k ) . '" ' . selected( $this->value['background-repeat'], $k, false ) . '>' . esc_html( $v ) . '</option>';
					}

					echo '</select>';
				}

				if ( true === $this->field['background-clip'] ) {
					$array = array(
						'inherit'     => esc_html__( 'Inherit', 'redux-framework' ),
						'border-box'  => esc_html__( 'Border Box', 'redux-framework' ),
						'content-box' => esc_html__( 'Content Box', 'redux-framework' ),
						'padding-box' => esc_html__( 'Padding Box', 'redux-framework' ),
					);

					echo '<select id="' . esc_attr( $this->field['id'] ) . '-clip-select" data-placeholder="' . esc_html__( 'Background Clip', 'redux-framework' ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-clip]" class="redux-select-item redux-background-input redux-background-clip ' . esc_attr( $this->field['class'] ) . '"' . esc_attr( $select2_data ) . '>';
					echo '<option></option>';

					foreach ( $array as $k => $v ) {
						echo '<option value="' . esc_attr( $k ) . '" ' . selected( $this->value['background-clip'], $k, false ) . '>' . esc_html( $v ) . '</option>';
					}

					echo '</select>';
				}

				if ( true === $this->field['background-origin'] ) {
					$array = array(
						'inherit'     => esc_html__( 'Inherit', 'redux-framework' ),
						'border-box'  => esc_html__( 'Border Box', 'redux-framework' ),
						'content-box' => esc_html__( 'Content Box', 'redux-framework' ),
						'padding-box' => esc_html__( 'Padding Box', 'redux-framework' ),
					);

					echo '<select id="' . esc_attr( $this->field['id'] ) . '-origin-select" data-placeholder="' . esc_html__( 'Background Origin', 'redux-framework' ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-origin]" class="redux-select-item redux-background-input redux-background-origin ' . esc_attr( $this->field['class'] ) . '"' . esc_attr( $select2_data ) . '>';
					echo '<option></option>';

					foreach ( $array as $k => $v ) {
						echo '<option value="' . esc_attr( $k ) . '" ' . selected( $this->value['background-origin'], $k, false ) . '>' . esc_html( $v ) . '</option>';
					}

					echo '</select>';
				}

				if ( true === $this->field['background-size'] ) {
					$array = array(
						'inherit' => esc_html__( 'Inherit', 'redux-framework' ),
						'cover'   => esc_html__( 'Cover', 'redux-framework' ),
						'contain' => esc_html__( 'Contain', 'redux-framework' ),
					);

					echo '<select id="' . esc_attr( $this->field['id'] ) . '-size-select" data-placeholder="' . esc_html__( 'Background Size', 'redux-framework' ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-size]" class="redux-select-item redux-background-input redux-background-size ' . esc_attr( $this->field['class'] ) . '"' . esc_attr( $select2_data ) . '>';
					echo '<option></option>';

					foreach ( $array as $k => $v ) {
						echo '<option value="' . esc_attr( $k ) . '" ' . selected( $this->value['background-size'], $k, false ) . '>' . esc_html( $v ) . '</option>';
					}

					echo '</select>';
				}

				if ( true === $this->field['background-attachment'] ) {
					$array = array(
						'fixed'   => esc_html__( 'Fixed', 'redux-framework' ),
						'scroll'  => esc_html__( 'Scroll', 'redux-framework' ),
						'inherit' => esc_html__( 'Inherit', 'redux-framework' ),
					);

					echo '<select id="' . esc_attr( $this->field['id'] ) . '-attachment-select" data-placeholder="' . esc_html__( 'Background Attachment', 'redux-framework' ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-attachment]" class="redux-select-item redux-background-input redux-background-attachment ' . esc_attr( $this->field['class'] ) . '"' . esc_attr( $select2_data ) . '>';
					echo '<option></option>';

					foreach ( $array as $k => $v ) {
						echo '<option value="' . esc_attr( $k ) . '" ' . selected( $this->value['background-attachment'], $k, false ) . '>' . esc_html( $v ) . '</option>';
					}

					echo '</select>';
				}

				if ( true === $this->field['background-position'] ) {
					$array = array(
						'left top'      => esc_html__( 'Left Top', 'redux-framework' ),
						'left center'   => esc_html__( 'Left center', 'redux-framework' ),
						'left bottom'   => esc_html__( 'Left Bottom', 'redux-framework' ),
						'center top'    => esc_html__( 'Center Top', 'redux-framework' ),
						'center center' => esc_html__( 'Center Center', 'redux-framework' ),
						'center bottom' => esc_html__( 'Center Bottom', 'redux-framework' ),
						'right top'     => esc_html__( 'Right Top', 'redux-framework' ),
						'right center'  => esc_html__( 'Right center', 'redux-framework' ),
						'right bottom'  => esc_html__( 'Right Bottom', 'redux-framework' ),
					);

					echo '<select id="' . esc_attr( $this->field['id'] ) . '-position-select" data-placeholder="' . esc_html__( 'Background Position', 'redux-framework' ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-position]" class="redux-select-item redux-background-input redux-background-position ' . esc_attr( $this->field['class'] ) . '"' . esc_attr( $select2_data ) . '>';
					echo '<option></option>';

					foreach ( $array as $k => $v ) {
						echo '<option value="' . esc_attr( $k ) . '" ' . selected( $this->value['background-position'], $k, false ) . '>' . esc_html( $v ) . '</option>';
					}

					echo '</select>';
				}
			}

			if ( $this->field['background-image'] ) {
				echo '<br />';

				if ( empty( $this->value ) && ! empty( $this->field['default'] ) ) {
					if ( is_array( $this->field['default'] ) ) {
						if ( ! empty( $this->field['default']['media']['id'] ) ) {
							$this->value['media']['id'] = $this->field['default']['media']['id'];
						} elseif ( ! empty( $this->field['default']['id'] ) ) {
							$this->value['media']['id'] = $this->field['default']['id'];
						}

						if ( ! empty( $this->field['default']['url'] ) ) {
							$this->value['background-image'] = $this->field['default']['url'];
						} elseif ( ! empty( $this->field['default']['media']['url'] ) ) {
							$this->value['background-image'] = $this->field['default']['media']['url'];
						} elseif ( ! empty( $this->field['default']['background-image'] ) ) {
							$this->value['background-image'] = $this->field['default']['background-image'];
						}
					} else {
						if ( is_numeric( $this->field['default'] ) ) { // Check if it's an attachment ID.
							$this->value['media']['id'] = $this->field['default'];
						} else { // Must be a URL.
							$this->value['background-image'] = $this->field['default'];
						}
					}
				}

				if ( empty( $this->value['background-image'] ) && ! empty( $this->value['media']['id'] ) ) {
					$img                             = wp_get_attachment_image_src( $this->value['media']['id'], 'full' );
					$this->value['background-image'] = $img[0];
					$this->value['media']['width']   = $img[1];
					$this->value['media']['height']  = $img[2];
				}

				$hide = 'hide ';

				if ( ( isset( $this->field['preview_media'] ) && false === $this->field['preview_media'] ) ) {
					$this->field['class'] .= ' noPreview';
				}

				if ( ( ! empty( $this->field['background-image'] ) && true === $this->field['background-image'] ) || isset( $this->field['preview'] ) && false === $this->field['preview'] ) {
					$hide = '';
				}

				$placeholder = $this->field['placeholder'] ?? esc_html__( 'No media selected', 'redux-framework' );

				echo '<input placeholder="' . esc_html( $placeholder ) . '" type="text" class="redux-background-input ' . esc_attr( $hide ) . 'upload ' . esc_attr( $this->field['class'] ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[background-image]" id="' . esc_attr( $this->parent->args['opt_name'] ) . '[' . esc_attr( $this->field['id'] ) . '][background-image]" value="' . esc_url( $this->value['background-image'] ) . '" />';
				echo '<input type="hidden" class="upload-id ' . esc_attr( $this->field['class'] ) . '" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[media][id]" id="' . esc_attr( $this->parent->args['opt_name'] ) . '[' . esc_attr( $this->field['id'] ) . '][media][id]" value="' . esc_attr( $this->value['media']['id'] ) . '" />';
				echo '<input type="hidden" class="upload-height" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[media][height]" id="' . esc_attr( $this->parent->args['opt_name'] ) . '[' . esc_attr( $this->field['id'] ) . '][media][height]" value="' . esc_attr( $this->value['media']['height'] ) . '" />';
				echo '<input type="hidden" class="upload-width" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[media][width]" id="' . esc_attr( $this->parent->args['opt_name'] ) . '[' . esc_attr( $this->field['id'] ) . '][media][width]" value="' . esc_attr( $this->value['media']['width'] ) . '" />';
				echo '<input type="hidden" class="upload-thumbnail" name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '[media][thumbnail]" id="' . esc_attr( $this->parent->args['opt_name'] ) . '[' . esc_attr( $this->field['id'] ) . '][media][thumbnail]" value="' . esc_url( $this->value['media']['thumbnail'] ) . '" />';

				// Preview.
				$hide = '';

				if ( ( isset( $this->field['preview_media'] ) && false === $this->field['preview_media'] ) || empty( $this->value['background-image'] ) ) {
					$hide = 'hide ';
				}

				if ( empty( $this->value['media']['thumbnail'] ) && ! empty( $this->value['background-image'] ) ) { // Just in case.
					if ( ! empty( $this->value['media']['id'] ) ) {
						$image = wp_get_attachment_image_src(
							$this->value['media']['id'],
							array(
								150,
								150,
							)
						);

						$this->value['media']['thumbnail'] = $image[0];
					} else {
						$this->value['media']['thumbnail'] = $this->value['background-image'];
					}
				}

				echo '<div class="' . esc_attr( $hide ) . 'screenshot">';
				echo '<a class="of-uploaded-image" href="' . esc_url( $this->value['background-image'] ) . '" target="_blank">';

				$alt = wp_prepare_attachment_for_js( $this->value['media']['id'] );
				$alt = $alt['alt'] ?? '';

				echo '<img class="redux-option-image" id="image_' . esc_attr( $this->value['media']['id'] ) . '" src="' . esc_url( $this->value['media']['thumbnail'] ) . '" alt="' . esc_attr( $alt ) . '" target="_blank" rel="external" />';
				echo '</a>';
				echo '</div>';

				// Upload controls DIV.
				echo '<div class="upload_button_div">';

				// If the user has WP3.5+ show upload/remove button.
				echo '<span class="button redux-background-upload" id="' . esc_attr( $this->field['id'] ) . '-media">' . esc_html__( 'Upload', 'redux-framework' ) . '</span>';

				$hide = '';
				if ( empty( $this->value['background-image'] ) || '' === $this->value['background-image'] ) {
					$hide = ' hide';
				}

				echo '<span class="button removeCSS redux-remove-background' . esc_attr( $hide ) . '" id="reset_' . esc_attr( $this->field['id'] ) . '" rel="' . esc_attr( $this->field['id'] ) . '">' . esc_html__( 'Remove', 'redux-framework' ) . '</span>';

				echo '</div>';
			}

			/**
			 * Preview
			 * */
			if ( ! isset( $this->field['preview'] ) || false !== $this->field['preview'] ) {
				$css = $this->css_style( $this->value );

				$is_bg = strpos( $css, 'background-image' );

				if ( empty( $css ) || ! $is_bg ) {
					$css = 'display:none;';
				}

				$css .= 'height: ' . esc_attr( $this->field['preview_height'] ) . ';';
				echo '<p class="clear ' . esc_attr( $this->field['id'] ) . '_previewer background-preview" style="' . esc_attr( $css ) . '">&nbsp;</p>';
			}
		}

		/**
		 * Enqueue Function.
		 * If this field requires any scripts, or css define this function and register/enqueue the scripts/css
		 *
		 * @since       1.0.0
		 * @access      public
		 * @return      void
		 */
		public function enqueue() {
			if ( function_exists( 'wp_enqueue_media' ) ) {
				wp_enqueue_media();
			} else {
				if ( ! wp_script_is( 'media-upload' ) ) {
					wp_enqueue_script( 'media-upload' );
				}
			}

			if ( ! wp_style_is( 'select2-css' ) ) {
				wp_enqueue_style( 'select2-css' );
			}

			if ( ! wp_style_is( 'wp-color-picker' ) ) {
				wp_enqueue_style( 'wp-color-picker' );
			}

			$dep_array = array( 'jquery', 'wp-color-picker', 'select2-js', 'redux-js' );

			wp_enqueue_script(
				'redux-field-background-js',
				Redux_Core::$url . 'inc/fields/background/redux-background' . Redux_Functions::is_min() . '.js',
				$dep_array,
				$this->timestamp,
				true
			);

			if ( $this->parent->args['dev_mode'] ) {
				wp_enqueue_style(
					'redux-field-background-css',
					Redux_Core::$url . 'inc/fields/background/redux-background.css',
					array(),
					$this->timestamp
				);

				wp_enqueue_style( 'redux-color-picker-css' );
			}
		}

		/**
		 * Output CSS styling.
		 *
		 * @param array $data Value array.
		 *
		 * @return string
		 */
		public function css_style( $data = array() ): string {
			$css = '';

			if ( ! empty( $data ) && is_array( $data ) ) {
				foreach ( $data as $key => $val ) {
					if ( ! empty( $val ) && 'media' !== $key ) {
						if ( 'background-image' === $key ) {
							$css .= $key . ":url('" . esc_url( $val ) . "');";
						} else {
							$css .= $key . ':' . esc_attr( $val ) . ';';
						}
					}
				}
			}

			return $css;
		}

		/**
		 * Enable output_variables to be generated.
		 *
		 * @since       4.0.3
		 * @return void
		 */
		public function output_variables() {
			// No code needed, just defining the method is enough.
		}
	}
}

class_alias( 'Redux_Background', 'ReduxFramework_Background' );
