"use strict";

let table,
	form,
	submit_button,
	progress_bar,
	progress_percent,
	message,
	error_wrap;

let RCP_Batch = {

	/**
	 * Listens for job submissions and initiates job processing.
	 */
	listen: function () {

		let batch = this;

		form = jQuery( '.rcp-batch-form' );

		form.on( 'submit', function ( event ) {

			event.preventDefault();

			table = jQuery( this ).parents( '.rcp-batch-processing-job-table' );

			batch.set_vars( table );

			submit_button.prop( 'disabled', true ).hide();
			table.find( '.spinner' ).addClass( 'is-active' ).show();
			error_wrap.hide();

			message.text( '' );

			let data = {
				action: 'rcp_process_batch',
				job_id: table.find( '.rcp-batch-processing-job-id' ).val(),
				rcp_batch_nonce: rcp_batch_vars.batch_nonce
			};

			batch.process( data, table.find( '.rcp-batch-processing-job-step' ).val(), table );

		} );

		if ( form.find( '#rcp-job-autostart' ).length ) {
			form.trigger( 'submit' );
		}
	},

	/**
	 * Set variables.
	 *
	 * @param object table
	 */
	set_vars: function ( table ) {

		submit_button = table.find( '.button-primary' );

		progress_bar = table.find( '.rcp-batch-processing-job-progress-bar span' );

		progress_percent = table.find( '.rcp-batch-processing-job-percent-complete' );

		message = table.find( '.rcp-batch-processing-message' );

		error_wrap = table.find( '.rcp-batch-processing-errors' );

	},

	/**
	 * Process the specified job.
	 *
	 * @param {object} data  Job data
	 * @param {int}    step  Step to process
	 * @param {object} table Table object for modifying the DOM
	 */
	process: function ( data, step, table ) {
		let batch = this;

		data.step = step;

		batch.set_vars( table );

		jQuery.ajax( {
			dataType: 'json',
			data: data,
			type: 'POST',
			url: ajaxurl,
			success: function ( response ) {
				if ( false === response.success ) {

					submit_button.prop( 'disabled', false ).show();
					table.find( '.spinner' ).removeClass( 'is-active' ).hide();

					message.text( response.data.message + ' ' + rcp_batch_vars.i18n.job_retry );

					return;
				}

				if ( response.data.complete ) {

					progress_bar.css( 'width', response.data.percent_complete + '%' );

					progress_percent.text( response.data.percent_complete );

					table.find( '.spinner' ).removeClass( 'is-active' ).hide();

					message.html( response.data.complete_message ).show();

					if ( response.data.has_errors ) {
						error_wrap.find( 'td' ).empty().html( response.data.errors );
						error_wrap.show();
					}

				} else if ( response.data.error ) {
					// TODO: show errors
					console.log( 'error processing batch' );

					console.log( response.data.error );

				} else if ( response.data.next_step ) {

					progress_bar.css( 'width', response.data.percent_complete + '%' );

					progress_percent.text( response.data.percent_complete );

					batch.process( data, response.data.next_step, table );

				} else {

					// wtf happened
					console.log( response );

					message.text( response.data.message + ' ' + rcp_batch_vars.i18n.job_retry );

				}
			},
			error: function ( response ) {
				console.log( new Date() + ' error' );
				console.log( response );
			}
		} );
	}
};

/**
 * Loads the job listener.
 */
jQuery( document ).ready( function () {
	RCP_Batch.listen();
} );