<?php

/** Get Instagram Photos */
function thb_get_instagram_photos( $number = 6, $username, $access_token = false ) {

	if ( $access_token && '' !== $access_token ) {
		$result = thb_get_instagram_photos_json( $number, $username, $access_token );
	} else {
		$result = thb_get_instagram_photos_html( $number, $username );
	}

	return $result;
}
function thb_get_instagram_photos_json( $number = 6, $username, $access_token ) {

	/* Check Access Token */
	if ( ! $access_token ) {
		$result['error'] = esc_html__( 'Please enter an Instagram Access Token.', 'revolution' );
		return $result;
	}
	/* Check Username */
	if ( ! $username ) {
		$result['error'] = esc_html__( 'Please enter an Instagram User.', 'revolution' );
		return $result;
	}

	if ( ! defined( 'THB_DEMO_SITE' ) && '8730733905.1677ed0.08da52b798f549c395fb4bfb4cb740e5' === $access_token ) {
		$result['error'] = esc_html__( 'Please enter your own Instagram Access Token.', 'revolution' );
		return $result;
	}

	$transient_name = 'thb-instagram-media-' . $username . '-' . $number . '-' . $access_token;
	$result         = get_transient( $transient_name );

	if ( ! $result ) {
		$instagram_self_link = add_query_arg(
			array(
				'access_token' => $access_token,
			),
			'https://api.instagram.com/v1/users/self'
		);

		$instagram_self_request = wp_safe_remote_get(
			$instagram_self_link,
			array(
				'timeout'     => 120,
				'httpversion' => '1.1',
				'redirection' => 10,
				'sslverify'   => false,
			)
		);

		$user = wp_remote_retrieve_body( $instagram_self_request );
		$user = json_decode( $user );

		usleep( 180000 );

		$instagram_recent_photos = add_query_arg(
			array(
				'count'        => $number,
				'access_token' => $access_token,
			),
			'https://api.instagram.com/v1/users/self/media/recent'
		);

		$instagram_recent_request = wp_safe_remote_get(
			$instagram_recent_photos,
			array(
				'timeout'     => 120,
				'httpversion' => '1.1',
				'redirection' => 10,
				'sslverify'   => false,
			)
		);

		$image_data = wp_remote_retrieve_body( $instagram_recent_request );
		$image_data = json_decode( $image_data );

		/* User Data */
		if ( isset( $user->data->counts->follows ) ) {
			$user_data['follow'] = $user->data->counts->follows;
		}
		if ( isset( $user->data->counts->followed_by ) ) {
			$user_data['followed_by'] = $user->data->counts->followed_by;
		}
		if ( isset( $user->data->profile_picture ) ) {
			$user_data['profile_pic_url_hd'] = $user->data->profile_picture;
		}
		if ( isset( $user->data->bio ) ) {
			$user_data['biography'] = $user->data->bio;
		}
		if ( isset( $user->data->website ) ) {
			$user_data['external_url'] = $user->data->website;
		}
		$result['user_data'] = $user_data;

		/* Media Data */
		foreach ( $image_data->data as $key => $edge ) {
			if ( ! isset( $edge->images ) || ! $edge->images ) {
				continue;
			}

			$result['data'][ $key ] = array(
				'link'      => $edge->link,
				'image_url' => $edge->images->standard_resolution->url,
				'likes'     => $edge->likes->count,
				'comments'  => $edge->comments->count,
			);
			if ( isset( $edge->caption->text ) ) {
				$text = strtok( $edge->caption->text, "\n" );

				$result['data'][ $key ]['caption'] = wp_strip_all_tags( $text );
			}
		}
		set_transient( $transient_name, $result, HOUR_IN_SECONDS );
	}
	return $result;
}
function thb_get_instagram_photos_html( $number = 6, $username ) {

	/* Check Username */
	if ( ! $username ) {
		$result['error'] = esc_html__( 'Please enter an Instagram User.', 'revolution' );
		return $result;
	}

	$transient_name = 'thb-instagram-media-' . $username . '-' . $number;
	$result         = get_transient( $transient_name );
	if ( ! $result ) {

		$remote_url     = 'https://instagram.com/' . $username;
		$request_params = array(
			'timeout'    => 10,
			'user-agent' => thb_random_user_agent(),
			'headers'    => array(
				'Accept-language' => 'en',
			),
			'sslverify'  => false,
		);

		$proxies = array(
			'https://boomproxy.com/browse.php?u=',
			'https://eu.hidester.com/proxy.php?u=',
			'https://proxy-us2.toolur.com/browse.php?u=',
			'https://proxy-us3.toolur.com/browse.php?u=',
			'https://proxy-fr1.toolur.com/browse.php?u=',
			'https://eu2.free-proxy.com/browse.php?u=',
		);

		$remote_url = $proxies[ array_rand( $proxies ) ] . rawurlencode( $remote_url );

		$request = wp_safe_remote_get( $remote_url, $request_params );

		if ( is_wp_error( $request ) ) {
			return false;
		}

		$data = wp_remote_retrieve_body( $request );

		/* Get Data */
		preg_match( '/window\._sharedData = (.*);<\/script>/', $data, $ins_data );

		$ins_data_full = array_shift( $ins_data );
		$ins_data_json = array_shift( $ins_data );

		if ( ! $ins_data_json ) {
			return esc_html__( 'Instagram html data cannot be retrieved.', 'revolution' );
		}
		$image_data = false;

		if ( $ins_data_json ) {
			$instagram_json = json_decode( $ins_data_json, true );

			/* Instagram data is not set. */
			if ( ! isset( $instagram_json['entry_data']['ProfilePage'][0]['graphql']['user'] ) ) {
				return esc_html__( 'Instagram data is not set, please check the ID.', 'revolution' );
			}
			$thb_user_data = $instagram_json['entry_data']['ProfilePage'][0]['graphql']['user'];

			/* Images not found. */
			if ( ! isset( $thb_user_data['edge_owner_to_timeline_media']['edges'] ) ) {
				return esc_html__( 'There are no images in your account or the account is private.', 'revolution' );
			}
			/* Live Count. */
			if ( ! empty( $thb_user_data['edge_owner_to_timeline_media']['edges'] ) ) {
				$image_data = $thb_user_data['edge_owner_to_timeline_media']['edges'];
			} else {
				$result['error'] = esc_html__( 'There are no images in your account or the account is private.', 'revolution' );
			}

			/* User Data. */
			if ( ! empty( $instagram_json['entry_data']['ProfilePage'][0]['graphql']['user'] ) ) {
				$user_data['followed_by']        = $thb_user_data['edge_followed_by']['count'];
				$user_data['follow']             = $thb_user_data['edge_follow']['count'];
				$user_data['profile_pic_url_hd'] = $thb_user_data['profile_pic_url_hd'];
			}
		} else {
			$result['error'] = esc_html__( 'Instagram html data cannot be retrieved.', 'revolution' );
		}
		if ( $image_data ) {

			foreach ( $image_data as $key => $edge ) {
				if ( ! isset( $edge['node']['thumbnail_src'] ) && $edge['node']['thumbnail_src'] ) {
					continue;
				}
				$result['data'][ $key ] = array(
					'link'      => 'http://instagram.com/p/' . $edge['node']['shortcode'] . '/',
					'image_url' => $edge['node']['thumbnail_src'],
					'likes'     => $edge['node']['edge_liked_by']['count'],
					'comments'  => $edge['node']['edge_media_to_comment']['count'],
				);
				if ( isset( $edge['node']['edge_media_to_caption']['edges'][0]['node']['text'] ) ) {
					$text = strtok( $edge['node']['edge_media_to_caption']['edges'][0]['node']['text'], "\n" );

					$result['data'][ $key ]['caption'] = wp_strip_all_tags( $text );
				}
			}
			/* Number of images. */
			$result['data']      = array_slice( $result['data'], 0, $number, true );
			$result['user_data'] = $user_data;
			set_transient( $transient_name, $result, HOUR_IN_SECONDS );
		}
	}
	return $result;
}