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<?php
/**
 * QUIC.cloud API CLI for LiteSpeed integration.
 *
 * @package LiteSpeed\CLI
 */

namespace LiteSpeed\CLI;

defined( 'WPINC' ) || exit();

use LiteSpeed\Debug2;
use LiteSpeed\Cloud;
use WP_CLI;

/**
 * QUIC.cloud API CLI
 */
class Online {

	/**
	 * Cloud instance.
	 *
	 * @var Cloud
	 */
	private $cloud;

	/**
	 * Constructor for Online CLI.
	 */
	public function __construct() {
		Debug2::debug( 'CLI_Cloud init' );

		$this->cloud = Cloud::cls();
	}

	/**
	 * Init domain on QUIC.cloud server (See https://quic.cloud/terms/)
	 *
	 * ## OPTIONS
	 *
	 * ## EXAMPLES
	 *
	 *     # Activate domain on QUIC.cloud (! Require SERVER IP setting to be set first)
	 *     $ wp litespeed-online init
	 */
	public function init() {
		$resp = $this->cloud->init_qc_cli();
		if ( ! empty( $resp['qc_activated'] ) ) {
			$main_domain = ! empty( $resp['main_domain'] ) ? $resp['main_domain'] : false;
			$this->cloud->update_qc_activation( $resp['qc_activated'], $main_domain );
			WP_CLI::success( 'Init successfully. Activated type: ' . $resp['qc_activated'] );
		} else {
			WP_CLI::error( 'Init failed!' );
		}
	}

	/**
	 * Init domain CDN service on QUIC.cloud server (See https://quic.cloud/terms/)
	 *
	 * ## OPTIONS
	 *
	 * [--method=<method>]
	 * : The method to use (e.g., cname, ns, cfi).
	 *
	 * [--ssl-cert=<cert>]
	 * : Path to SSL certificate.
	 *
	 * [--ssl-key=<key>]
	 * : Path to SSL key.
	 *
	 * [--cf-token=<token>]
	 * : Cloudflare token for CFI method.
	 *
	 * [--format=<format>]
	 * : Output format (e.g., json).
	 *
	 * ## EXAMPLES
	 *
	 *     # Activate domain CDN on QUIC.cloud (support --format=json)
	 *     $ wp litespeed-online cdn_init --method=cname|ns
	 *     $ wp litespeed-online cdn_init --method=cname|ns --ssl-cert=xxx.pem --ssl-key=xxx
	 *     $ wp litespeed-online cdn_init --method=cname|ns --ssl-cert=xxx.pem --ssl-key=xxx --json
	 *     $ wp litespeed-online cdn_init --method=cfi --cf-token=xxxxxxxx
	 *     $ wp litespeed-online cdn_init --method=cfi --cf-token=xxxxxxxx  --ssl-cert=xxx.pem --ssl-key=xxx
	 *     $ wp litespeed-online cdn_init --method=cfi --cf-token=xxxxxxxx  --ssl-cert=xxx.pem --ssl-key=xxx --format=json
	 *
	 * @param array $args Positional arguments.
	 * @param array $assoc_args Associative arguments.
	 */
	public function cdn_init( $args, $assoc_args ) {
		if ( empty( $assoc_args['method'] ) ) {
			WP_CLI::error( 'Init CDN failed! Missing parameters `--method`.' );
			return;
		}
		if ( ( ! empty( $assoc_args['ssl-cert'] ) && empty( $assoc_args['ssl-key'] ) ) || ( empty( $assoc_args['ssl-cert'] ) && ! empty( $assoc_args['ssl-key'] ) ) ) {
			WP_CLI::error( 'Init CDN failed! SSL cert must be present together w/ SSL key.' );
			return;
		}

		if ( 'cfi' === $assoc_args['method'] && empty( $assoc_args['cf-token'] ) ) {
			WP_CLI::error( 'Init CDN failed! CFI must set `--cf-token`.' );
			return;
		}

		$cert     = ! empty( $assoc_args['ssl-cert'] ) ? $assoc_args['ssl-cert'] : '';
		$key      = ! empty( $assoc_args['ssl-key'] ) ? $assoc_args['ssl-key'] : '';
		$cf_token = ! empty( $assoc_args['cf-token'] ) ? $assoc_args['cf-token'] : '';

		$resp = $this->cloud->init_qc_cdn_cli( $assoc_args['method'], $cert, $key, $cf_token );
		if ( ! empty( $resp['qc_activated'] ) ) {
			$main_domain = ! empty( $resp['main_domain'] ) ? $resp['main_domain'] : false;
			$this->cloud->update_qc_activation( $resp['qc_activated'], $main_domain, true );
		}
		if ( ! empty( $assoc_args['format'] ) && 'json' === $assoc_args['format'] ) {
			WP_CLI::log( wp_json_encode( $resp ) );
			return;
		}
		if ( ! empty( $resp['qc_activated'] ) ) {
			WP_CLI::success( 'Init QC CDN successfully. Activated type: ' . $resp['qc_activated'] );
		} else {
			WP_CLI::error( 'Init QC CDN failed!' );
		}

		if ( ! empty( $resp['cname'] ) ) {
			WP_CLI::success( 'cname: ' . $resp['cname'] );
		}
		if ( ! empty( $resp['msgs'] ) ) {
			WP_CLI::success( 'msgs: ' . wp_json_encode( $resp['msgs'] ) );
		}
	}

	/**
	 * Link user account by api key
	 *
	 * ## OPTIONS
	 *
	 * [--email=<email>]
	 * : User email for QUIC.cloud account.
	 *
	 * [--api-key=<key>]
	 * : API key for QUIC.cloud account.
	 *
	 * ## EXAMPLES
	 *
	 *     # Link user account by api key
	 *     $ wp litespeed-online link [email protected] --api-key=xxxx
	 *
	 * @param array $args Positional arguments.
	 * @param array $assoc_args Associative arguments.
	 */
	public function link( $args, $assoc_args ) {
		if ( empty( $assoc_args['email'] ) || empty( $assoc_args['api-key'] ) ) {
			WP_CLI::error( 'Link to QUIC.cloud failed! Missing parameters `--email` or `--api-key`.' );
			return;
		}

		$resp = $this->cloud->link_qc_cli( $assoc_args['email'], $assoc_args['api-key'] );
		if ( ! empty( $resp['qc_activated'] ) ) {
			$main_domain = ! empty( $resp['main_domain'] ) ? $resp['main_domain'] : false;
			$this->cloud->update_qc_activation( $resp['qc_activated'], $main_domain, true );
			WP_CLI::success( 'Link successfully!' );
			WP_CLI::log( wp_json_encode( $resp ) );
		} else {
			WP_CLI::error( 'Link failed!' );
		}
	}

	/**
	 * Sync usage data from QUIC.cloud
	 *
	 * ## OPTIONS
	 *
	 * [--format=<format>]
	 * : Output format (e.g., json).
	 *
	 * ## EXAMPLES
	 *
	 *     # Sync QUIC.cloud service usage info
	 *     $ wp litespeed-online sync
	 *     $ wp litespeed-online sync --json
	 *     $ wp litespeed-online sync --format=json
	 *
	 * @param array $args Positional arguments.
	 * @param array $assoc_args Associative arguments.
	 */
	public function sync( $args, $assoc_args ) {
		$json = $this->cloud->sync_usage();

		if ( ! empty( $assoc_args['format'] ) ) {
			WP_CLI::print_value( $json, $assoc_args );
			return;
		}

		WP_CLI::success( 'Sync successfully' );

		$list = array();
		foreach ( Cloud::$services as $v ) {
			$list[] = array(
				'key' => $v,
				'used' => ! empty( $json['usage.' . $v]['used'] ) ? $json['usage.' . $v]['used'] : 0,
				'quota' => ! empty( $json['usage.' . $v]['quota'] ) ? $json['usage.' . $v]['quota'] : 0,
				'PayAsYouGo_Used' => ! empty( $json['usage.' . $v]['pag_used'] ) ? $json['usage.' . $v]['pag_used'] : 0,
				'PayAsYouGo_Balance' => ! empty( $json['usage.' . $v]['pag_bal'] ) ? $json['usage.' . $v]['pag_bal'] : 0,
			);
		}

		WP_CLI\Utils\format_items( 'table', $list, array( 'key', 'used', 'quota', 'PayAsYouGo_Used', 'PayAsYouGo_Balance' ) );
	}

	/**
	 * Check QC account status
	 *
	 * ## OPTIONS
	 *
	 * ## EXAMPLES
	 *
	 *     # Check QC account status
	 *     $ wp litespeed-online cdn_status
	 */
	public function cdn_status() {
		$resp = $this->cloud->cdn_status_cli();
		WP_CLI::log( wp_json_encode( $resp ) );
	}

	/**
	 * List all QUIC.cloud services
	 *
	 * ## OPTIONS
	 *
	 * [--format=<format>]
	 * : Output format (e.g., json).
	 *
	 * ## EXAMPLES
	 *
	 *     # List all services tag
	 *     $ wp litespeed-online services
	 *     $ wp litespeed-online services --json
	 *     $ wp litespeed-online services --format=json
	 *
	 * @param array $args Positional arguments.
	 * @param array $assoc_args Associative arguments.
	 */
	public function services( $args, $assoc_args ) {
		if ( ! empty( $assoc_args['format'] ) ) {
			WP_CLI::print_value( Cloud::$services, $assoc_args );
			return;
		}

		$list = array();
		foreach ( Cloud::$services as $v ) {
			$list[] = array(
				'service' => $v,
			);
		}

		WP_CLI\Utils\format_items( 'table', $list, array( 'service' ) );
	}

	/**
	 * List all QUIC.cloud servers in use
	 *
	 * ## OPTIONS
	 *
	 * [--format=<format>]
	 * : Output format (e.g., json).
	 *
	 * ## EXAMPLES
	 *
	 *     # List all QUIC.cloud servers in use
	 *     $ wp litespeed-online nodes
	 *     $ wp litespeed-online nodes --json
	 *     $ wp litespeed-online nodes --format=json
	 *
	 * @param array $args Positional arguments.
	 * @param array $assoc_args Associative arguments.
	 */
	public function nodes( $args, $assoc_args ) {
		$json = Cloud::get_summary();

		$list        = array();
		$json_output = array();
		foreach ( Cloud::$services as $v ) {
			$server        = ! empty( $json['server.' . $v] ) ? $json['server.' . $v] : '';
			$list[]        = array(
				'service' => $v,
				'server' => $server,
			);
			$json_output[] = array( $v => $server );
		}

		if ( ! empty( $assoc_args['format'] ) ) {
			WP_CLI::print_value( $json_output, $assoc_args );
			return;
		}

		WP_CLI\Utils\format_items( 'table', $list, array( 'service', 'server' ) );
	}

	/**
	 * Detect closest node server for current service
	 *
	 * ## OPTIONS
	 *
	 * [<service>]
	 * : Service to ping (e.g., img_optm).
	 *
	 * [--force]
	 * : Force detection of the closest server.
	 *
	 * ## EXAMPLES
	 *
	 *     # Detect closest node for one service
	 *     $ wp litespeed-online ping img_optm
	 *     $ wp litespeed-online ping img_optm --force
	 *
	 * @param array $param Positional arguments (service).
	 * @param array $assoc_args Associative arguments.
	 */
	public function ping( $param, $assoc_args ) {
		$svc   = $param[0];
		$force = ! empty( $assoc_args['force'] );

		$json = $this->cloud->detect_cloud( $svc, $force );
		if ( $json ) {
			WP_CLI::success( 'Updated closest server.' );
		}
		WP_CLI::log( 'svc = ' . $svc );
		WP_CLI::log( 'node = ' . ( $json ? $json : '-' ) );
	}
}