/*
 * JAVASCRIPT other
 */

/* jshint esversion: 6 */

/* global initAjaxUploader, afusKeyInObject, afusErrorCatch, showActionIndicator, hideActionIndicator, exists, phfo, aelx, cel */

/**
 * clear the alert div and hide it
 */
function clearAlerts() {
	$('#alerts-div').html('').hide();
}

/**
 * prints a single message line
 * @param {String} msg   message text
 * @param {String} level level as style sheet name for highlight
 */
function printMsgStr(msg, level) {
	printMsg([{ level: level, str: msg }]);
}

/**
 * prints master error message in case of master error
 * @param {Object} msg messages as hash object
 */
function printMsg(msg) {
	var content = [];
	for (const t of msg) {
		// console.log('v: %s, t: %o', v, t);
		if (afusKeyInObject('code', t) && t.code != null && t.code.length > 0) {
			t.str = '[' + t.code + '] ' + t.str;
		}
		content.push(phfo(cel('div', '', t.str, ['error-' + t.level])));
	}
	$('#alerts-div')
		.html(content.join(''))
		.show();
	// calcHeightTopHeader();
}

/**
 * wrapper for ajax calls
 * This will do a beforeSend call
 * Success generall call (before .done)
 * error call for general error catch (can be outside extended with .fail)
 * complete call to hide the action indicator
 * note: if pre-function is small we might want to put indicator call in this function
 * @param  {String} call_id     Caller id for debug and action indicator debug
 * @param  {Object} queryString Query string to pass on, default empty
 * @param  {Object} control     Control for action indicator and others
 *                              no_action_indicator: true/false/empty, if true do not use action indicator
 * @param  {String} url         Target url, defaults to generalBackend.php
 * @return {jqXHR}              JQuery XJR Object for .done, .fail, etc connection calls
 */
function ajaxWrapper(call_id, queryString = {}, control = {}, url = 'backend.php') {
	var no_action_indicator = false;
	if (afusKeyInObject('no_action_indicator', control)) {
		no_action_indicator = control.no_action_indicator ? true : false;
	}
	// if inidicator not visible, show before
	if (!no_action_indicator) {
		showActionIndicator(call_id);
	}
	// general ajax wrapper
	// AJAX call
	return $.ajax({
		url: url,
		type: 'POST',
		data: queryString,
		// genera; before Sending
		beforeSend: function () {
			console.log('MAIN RUN: ' + call_id);
		},
		success: function (data, status, xhr) {
			// additional success call
			console.log('[' + call_id + '] Return with [%s] as status: %s, xhr: %s, action: %s', status, data.status, xhr.status, data.action);
		},
		// general error
		error: function (xhr) {
			console.log('[' + call_id + '] An error occured: %s %s', xhr.status, xhr.statusText);
			// critical error
			printMsgStr(call_id + ' Error', 'crash');
		},
		complete: function () {
			console.log('[' + call_id + '] Complete');
			if (!no_action_indicator) {
				hideActionIndicator(call_id);
			}
		}
	});
}

/**
 * uuid4 creator
 * @returns {String} uuid4
 */
function uuidv4() {
	return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
		(+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
	);
}

/**
 * FILE CHANGE:
 * helper call for ajax file upload on file selected
 * @param {String} target_file   The file upload target prefix id
 * @param {Number} file_pos      Position in upload queue
 * @param {String} target_router [description]
 * @param {Object} options       additional functions options
 */
function fileChangeFunction(target_file, file_pos, target_router, options={})
{
	console.log('{FILE} CHANGE [%s/%s] FUNCTION CALL [%s]: [%o]', target_file, file_pos, target_router, options);
	clearAlerts();
	// console.log('Upload Status: %s', $('#' + target_file + '-upload-status').outerHeight());
}

/**
 * [fileChangeFunctionAll description]
 * @param {String} target_file   [description]
 * @param {String} target_router [description]
 */
function fileChangeFunctionAll(target_file, target_router)
{
	console.log('{FILE} CHANGE ALL [%s] FUNCTION CALL [%s]', target_file, target_router);
	clearAlerts();
	// console.log('Upload Status: %s', $('#' + target_file + '-upload-status').outerHeight());
}

/**
 * [fileRemoveFunction description]
 * @param {string} target_file   [description]
 * @param {Number} file_pos      [description]
 * @param {String} target_router [description]
 *c
 */
function fileRemoveFunction(target_file, file_pos, target_router)
{
	console.log('{FILE} REMOVE [%s/%s] FUNCTION CALL [%s]', target_file, file_pos, target_router);
	// console.log('Upload Status: %s', $('#' + target_file + '-upload-status').outerHeight());
	// clearAlerts();
}

/**
 * [fileClearFunction description]
 * @param {String} target_file   [description]
 * @param {String} target_router [description]
 */
function fileClearFunction(target_file, target_router)
{
	console.log('{FILE} CLEAR [%s] FUNCTION CALL [%s]', target_file, target_router);
	// console.log('Upload Status: %s', $('#' + target_file + '-upload-status').outerHeight());
	// clearAlerts();
}

/**
 * [fileAppendBeforeUploadFunctionAllFunction description]
 * @param  {String} target_file   [description]
 * @param  {String} target_router [description]
 * @return {Object}               [description]
 */
function fileAppendBeforeUploadFunctionAllFunction(target_file, target_router)
{
	console.log('{FILE} BEFORE UPLOAD ALL [%s] FUNCTION CALL [%s]', target_file, target_router);
	return {
		'primary_key': $('#reference-id').val(),
		'same-entry': 'A',
		'target-files': target_file,
		'target-router': target_router
	};
}

/**
 * FILE BEFORE UPLOAD:
 * attach additional data to be sent to the server
 * This is called before the data is submitted to the server
 * @param  {String} target_file   The file upload target prefix id
 * @param  {Number} file_pos      Position in upload queue
 * @param  {String} target_router
 * @return {Object}               key -> value object to be attached to the form
 */
function fileAppendBeforeUploadFunction(target_file, file_pos, target_router)
{
	console.log('{FILE} BEFORE UPLOAD [%s/%s] FUNCTION CALL [%s]', target_file, file_pos, target_router);
	return {
		'file_data_count': $('#file-list').children().length,
		'same-entry': 'B',
		'target-files': target_file,
		'file-pos': file_pos,
		'target-router': target_router
	};
}

/**
 * FILE ULOAD FINISHED:
 * helper call for ajax file upload on upload completed
 * set the uploaded file list (hidden & visible), shows import button,
 * adjusts hight of action box
 * @param {String} target_file  The file upload target prefix id
 * @param {Object} control_data The data returned from the ajax call after upload
 */
function fileUploadedFunction(target_file, file_pos, target_router, control_data)
{
	console.log('{FILE} UPLAODED [%s/%s] FUNCTION CALL [%s]: %o', target_file, file_pos, target_router, control_data);
	var file_id = target_file;
	var file_entry_exists = false;
	// add new uploaded file entry to the push list
	// first find if there is an entry for this file yet (-file-name)
	try {
		console.log('Uploaded file UID: %s', $('#' + file_id + '-uid-' + file_pos).val());
		if (exists(file_id + '-uid-' + file_pos) && $('#' + file_id + '-uid-' + file_pos).val()) {
			// hide file info first
			$('#file-info').html('').hide();
			// add new uplaoded files
			$('#file-list').append(phfo(
				aelx(cel('div', '', '', ['flx-ss']),
					cel('div', '', control_data.file_name, ['mg-5']),
					cel('div', '', '(NOW)', ['mg-5']),
					cel('div', '', control_data.file_size, ['mg-5']),
					cel('input', file_id + '-uploaded-' + file_pos, '', [], {type: 'hidden', value: control_data.file_uid})
				)
			));
			// DOUBLE entry checker used in FormControl control file upload
			// console.log('MAP: %o', $('#file-list :input'));
			file_entry_exists = Object.values($('#file-list :input').map(function() {
				// console.log('Matching: %s - %s', control_data.file_uid, $(this).val());
				return control_data.file_uid == $(this).val() ? true : false;
			})).find(value => value === true);
			console.log('Matched: %s', file_entry_exists);
			if (!file_entry_exists) {
				// add hidden and visible elment
				// addControlFileElement(file_id, $('#' + file_id + '-file_name').val(), control_data.other_data.status_text);
			}
		}
	} catch(err) {
		afusErrorCatch(err);
	}
	// chain action test
	var call_id = 'chainAction';
	var queryString = {
		action: call_id,
		chain: control_data.file_uid
	};
	ajaxWrapper(call_id, queryString).done(function (data) {
		console.log('Data: %o', data);
		try {
			if (data.status == 'error') {
				//
			} else {
				// list files
				if (data.status == 'warn') {
					//
				} else {
					//
				}
			}
			// top message
			printMsg(data.msg);
		} catch (err) {
			afusErrorCatch(err);
		}
	});
}

/**
 * [fileUploadedAllFunction description]
 * @param {String}  target_file   [description]
 * @param {Number}  target_router [description]
 * @param {Boolean} all_success   If true all files where accepted by the servers
 */
function fileUploadedAllFunction(target_file, target_router, all_success)
{
	console.log('{FILE} UPLAODED ALL [%s] FUNCTION CALL [%s]: %o', target_file, target_router, all_success);
}

/**
 * [fileUploadErrorFunction description]
 * @param {String} target_file   [description]
 * @param {Number} file_pos      [description]
 * @param {String} target_router [description]
 * @param {Object} control_data  [description]
 */
function fileUploadErrorFunction(target_file, file_pos, target_router, control_data)
{
	console.log('{FILE} UPLOAD ERROR [%s/%s] FUNCTION CALL [%s]: %o', target_file, file_pos, target_router, control_data);
	// eg print special error data from control
}

// ** init here **/file-list
$(document).ready(function () {
	// run and fill uploaded
	var call_id = 'fileList';
	var queryString = {
		action: call_id
	};
	ajaxWrapper(call_id, queryString).done(function (data) {
		console.log('Data: %o', data);
		try {
			if (data.status == 'error') {
				//
			} else {
				$('#reference-id').val(data.content.reference_id);
				// list files
				if (data.status == 'warn') {
					$('#file-info')
						.addClass('error-warn')
						.html(data.content.info);
				} else {
					$('#file-info').html('');
					for (const files of data.content.file_list) {
						// console.log('F: %o', files);
						$('#file-list').append(phfo(
							aelx(cel('div', '', '', ['flx-ss']),
								cel('div', '', files.name, ['mg-5']),
								cel('div', '', files.create_date, ['mg-5']),
								cel('div', '', files.size, ['mg-5']),
								cel('input', 'uploaded-' + files.name, '', [], {type: 'hidden', value: files.name})
							)
						));
					}
				}
			}
			// top message
			printMsg(data.msg);
		} catch (err) {
			afusErrorCatch(err);
		}
	});

	// check that html elements needed are there
	// fill the file upload part
	initAjaxUploader({
		target_file: 'first_upload',
		target_form: 'formdata',
		max_files: 5,
		target_router: 'fileUpload',
		target_action: '',
		form_parameters: {'parameter_a': 'Value 123'},
		auto_submit: false,
		function_options: {action_box_id: 'actionBox-alt', 'other': 'free'},
		translation: {
			remove: "REMOVE"
		},
		fileChange: fileChangeFunction,
		fileChangeAll: fileChangeFunctionAll,
		fileRemove: fileRemoveFunction,
		fileClear: fileClearFunction,
		fileBeforeUploadAll: fileAppendBeforeUploadFunctionAllFunction,
		fileBeforeUpload: fileAppendBeforeUploadFunction,
		fileUploaded: fileUploadedFunction,
		fileUploadedAll: fileUploadedAllFunction,
		fileUploadError: fileUploadErrorFunction
	});
	// for second test
	initAjaxUploader({
		target_file: 'second_upload',
		target_form: 'formdata',
		max_files: 1,
		max_file_size: 500000, // ~500KB
		// allowed_extensions: ['txt', 'csv'],
		allowed_file_types: ['text/plain', 'text/csv'],
		target_router: 'fileUpload',
		target_action: '',
		form_parameters: {'parameter_b': 'Value 456'},
		auto_submit: false,
		fileChange: fileChangeFunction,
		fileChangeAll: fileChangeFunctionAll,
		fileRemove: fileRemoveFunction,
		fileClear: fileClearFunction,
		fileBeforeUploadAll: fileAppendBeforeUploadFunctionAllFunction,
		fileBeforeUpload: fileAppendBeforeUploadFunction,
		fileUploaded: fileUploadedFunction,
		fileUploadedAll: fileUploadedAllFunction,
		fileUploadError: fileUploadErrorFunction
	});
	// for third test
	initAjaxUploader({
		target_file: 'third_upload',
		target_form: 'formdata',
		max_files: 0,
		target_router: 'fileUpload',
		target_action: '',
		form_parameters: {'parameter_c': 'Value 789'},
		auto_submit: false,
		fileChange: fileChangeFunction,
		fileChangeAll: fileChangeFunctionAll,
		fileRemove: fileRemoveFunction,
		fileClear: fileClearFunction,
		fileBeforeUploadAll: fileAppendBeforeUploadFunctionAllFunction,
		fileBeforeUpload: fileAppendBeforeUploadFunction,
		fileUploaded: fileUploadedFunction,
		fileUploadedAll: fileUploadedAllFunction,
		fileUploadError: fileUploadErrorFunction
	});
});