/*
Copyright (C) 2024 Jakub Kruszona-Zawadzki, Saglabs SA

This file is part of MooseFS.

MooseFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 2 (only).

MooseFS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with MooseFS; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA
or visit http://www.gnu.org/licenses/gpl-2.0.html
 */

function sortArrow(dir) {
	// const div = document.createElement('div');
	var tag = document.createElementNS("http://www.w3.org/2000/svg", 'svg');
	tag.setAttribute('viewBox','0 0 12 82');
	tag.setAttribute('width','12px');
	tag.setAttribute('height','12px');
	tag.setAttribute('class','thumbtack');
	var tag_use = document.createElementNS('http://www.w3.org/2000/svg','use');
	tag_use.setAttribute('width','12px');
	tag_use.setAttribute('height','12px');
	if (dir) {
		tag_use.setAttribute('xlink:href','#icon-thumbtack');
	} else {
		tag_use.setAttribute('xlink:href','#icon-thumbtack');
	}
	tag.appendChild(tag_use);
	// div.appendChild(tag);
	return tag;
}

function applyAcidTab(force_init_acid_ready=false, force_init_acid_tab=false) {
	if (typeof acid_ready == "undefined" || force_init_acid_ready) {
		acid_ready = {
			ready : 0,
			functions : new Array(),
			docready : function() {
				if (acid_ready.ready==0) {
					acid_ready.ready = 1;
					var i;
					for (i=0 ; i<acid_ready.functions.length ; i++) {
						acid_ready.functions[i]();
					}
				}
			},
			domloaded : function(e) {
				acid_ready.docready();
			},
			loaded : function(e) {
				acid_ready.docready();
			},
			readystate : function(e) {
				if (document.readyState=="complete" || document.readyState=="interactive") {
					acid_ready.docready();
				}
			},
			readytest : function() {
				if (acid_ready.ready==0) {
					if (typeof document.readyState!="undefined") {
						if (document.readyState=="complete" || document.readyState=="interactive") {
							acid_ready.docready();
						} else {
							setTimeout("acid_ready.readytest()",100);
						}
						return;
					}
					if (typeof document.documentElement!="undefined" && typeof document.documentElement.doScroll!="undefined") {
						try {
							document.documentElement.doScroll('left');
						} catch (e) {
							setTimeout("acid_ready.readytest()",100);
							return;
						}
					}
					acid_ready.docready();
				}
			},
			register : function(fn) {
				if (acid_ready.ready) {
					fn();
				} else {
					var l = acid_ready.functions.length;
					acid_ready.functions[l]=fn;
				}
			},
			init : function() {
				if (window.addEventListener) {
					document.addEventListener("DOMContentLoaded",acid_ready.domloaded,false);
					document.addEventListener("readystatechange",acid_ready.readystate,false);
					window.addEventListener("load",acid_ready.loaded,false);
				} else if (window.attachEvent) {
					document.attachEvent("onDOMContentLoaded",acid_ready.domloaded);
					document.attachEvent("onreadystatechange",acid_ready.readystate);
					window.attachEvent("onload",acid_ready.loaded);
				}
				setTimeout("acid_ready.readytest()",100);
			}
		}
		acid_ready.init();
	}

	if (typeof acid_tab == "undefined" || force_init_acid_tab) {
		acid_tab = {
			init: function() {
				var tabs,i;
				if (!document.createElement || !document.getElementsByTagName) {
					return;
				}
				tabs = document.getElementsByTagName('table');
				if (tabs) {
					for (i=0 ; i<tabs.length ; i++) {
						if (tabs[i].className.search(/\bacid_tab\b/) != -1) {
							acid_tab.preparetab(tabs[i]);
						}
					}
				}
			},

			add_event: function(obj,type,fn) {
				if (obj.addEventListener) {
					obj.addEventListener(type, fn, false);
				} else if (obj.attachEvent) {
					obj.attachEvent('on'+type, fn);
				}
			},

			add_hover: function(obj,fnin,fnout) {
				acid_tab.add_event(obj,"mouseenter",fnin);
				acid_tab.add_event(obj,"mouseleave",fnout);
			},

			preparetab: function(table) {
				var i,j,k,x,h,m,s,p,c,z,r;
				// find thead using 'TH' node names
				if (table.getElementsByTagName('thead').length == 0) {
					var thead = document.createElement('thead');
					while (table.rows.length>0 && table.rows[0].cells[0].nodeName=="TH") {
						thead.appendChild(table.rows[0]);
					}
					table.insertBefore(thead,table.firstChild);
				}
				// create tHead if necessary
				if (typeof table.tHead == "undefined") {
					table.tHead = table.getElementsByTagName('thead')[0];
				}
				// backup and remove extra bodies
				table.acid_tab_tbodiesbackup = new Array();
				for (i=0 ; i<table.tBodies.length ; i++) {
					table.acid_tab_tbodiesbackup[i] = table.tBodies[i];
				}
				while (table.tBodies.length>1) {
					table.removeChild(table.tBodies[1]);
				}
				// no body? - exit
				if (table.tBodies.length==0) {
					return;
				}
				// check settings
				m = table.className.match(/\bacid_tab_zebra_([a-zA-Z0-9]+)_([a-zA-Z0-9]+)\b/);
				if (m) {
					table.acid_tab_zebra = new Array();
					table.acid_tab_zebra[0] = m[1];
					table.acid_tab_zebra[1] = m[2];
				}
				if (table.className.search(/\bacid_tab_noindicator\b/)!=-1) {
					table.acid_tab_indicator = 0;
				} else {
					table.acid_tab_indicator = 1;
				}
				m = table.className.match(/\bacid_tab_storageid_([a-zA-Z0-9]+)\b/);
				if (m) {
					table.acid_tab_storageid = m[1];
				} else {
					table.acid_tab_storageid = "";
				}
				z = -1;
				r = 0;
				// scan storage
				if (table.acid_tab_storageid!="" && typeof sessionStorage != "undefined") {
					p = "switchdisplay_"+table.acid_tab_storageid+"_";
					for (i=0 ; i<sessionStorage.length ; i++) {
						k = sessionStorage.key(i);
						if (k.slice(0,p.length)==p) {
							j = parseInt(sessionStorage.getItem(k));
							acid_tab.switchdisplay(table,k.slice(p.length),j);
						}
					}
					z = sessionStorage.getItem('switchbody_'+table.acid_tab_storageid);
					if (z) {
						z = parseInt(z);
						acid_tab.switchtbody(table,z);
					}
					z = sessionStorage.getItem('sortedby_'+table.acid_tab_storageid);
					if (z) {
						m = z.match(/\b([0-9]+)_(F|R)\b/);
						if (m) {
							z = parseInt(m[1]);
							r = (m[2]=='R')?1:0;
						}
					}
				}
				table.acid_tab_sortedby = null;
				table.acid_tab_reversed = 0;
				// find one-column cells in header and attach onlick event to them
				k = 0;
				s = new Array();
				for (i=0 ; i<table.tHead.rows.length ; i++) {
					var row = table.tHead.rows[i];
					p = 0;
					for (j=0 ; j<row.cells.length ; j++) {
						var cell = row.cells[j];
						if (typeof cell.colSpan == "undefined") {
							cell.colSpan = 1;
						}
						if (typeof cell.rowSpan == "undefined") {
							cell.rowSpan = 1;
						}
						// skip rowspans
						while (p<s.length && s[p]>i) {
							p++;
						}
						// set rowspans
						for (c=0 ; c<cell.colSpan ; c++) {
							s[p+c]=(i+cell.rowSpan);
						}
						// ignore multi-column cells
						if (cell.colSpan==1) {
							if (cell.className.search(/\bacid_tab_enumerate\b/)!=-1) {
								table.acid_tab_enumerate = p;
							} else if (cell.className.search(/\bacid_tab_skip\b/)==-1) {
								if (cell.className.search(/\bacid_tab_numeric\b/)!=-1) {
									cell.acid_tab_smode=1;
								} else if (cell.className.search(/\bacid_tab_alpha\b/)!=-1) {
									cell.acid_tab_smode=2;
								} else {
									cell.acid_tab_smode=0;
								}
								cell.acid_tab_colid = p;
								cell.acid_tab = table;
								if (cell.className.search(/\bacid_tab_nounderline\b/)==-1) {
									//cell.style.textDecoration="underline";
								}
								if (cell.className.search(/\bacid_tab_nocursor\b/)==-1) {
									cell.style.cursor="pointer";
								}
								m = cell.className.match(/\bacid_tab_level_([0-9]+)\b/);
								if (m) {
									cell.acid_tab_level = m[1];
								} else {
									cell.acid_tab_level = 0;
								}
								if (cell.addEventListener) {
									cell.addEventListener("click",acid_tab.clickhandler,false);
								} else if (cell.attachEvent) {
									cell.attachEvent("onclick",acid_tab.clickhandler);
								}
								cell.acid_tab_myid = k;
								if (z==k) {
									table.acid_tab_sortedby = cell;
									table.acid_tab_reversed = r;
								}
								k++;
							}
						}
						// set pos
						p+=cell.colSpan;
					}
				}
				if (table.acid_tab_sortedby!=null && table.acid_tab_indicator) {
					table.acid_tab_indicator = document.createElement('span');
					dir = (table.acid_tab_reversed)?'up':'down';
					table.acid_tab_indicator.innerHTML = '<svg class="sort"><use xlink:href="#icon-sort-'+dir+'"/></svg>';				
					table.acid_tab_sortedby.appendChild(table.acid_tab_indicator);
				}
				acid_tab.resort(table);
			},

			switchtbody: function(table,n) {
				if (n>=0 && n<table.acid_tab_tbodiesbackup.length) {
					table.removeChild(table.tBodies[0]);
					table.appendChild(table.acid_tab_tbodiesbackup[n]);
					if (table.acid_tab_storageid!="" && typeof sessionStorage != "undefined") {
						sessionStorage.setItem("switchbody_"+table.acid_tab_storageid,n);
					}
				}
				acid_tab.resort(table);
			},

			resort: function(table) {
				if (table.acid_tab_sortedby != null) {
					acid_tab.sorter(table.acid_tab_sortedby,1);
				} else {
					acid_tab.aftersort(table,table.tBodies[0]);
				}
			},

			getcelltext: function(cell,level) {
				var ret,i,visible;
				if (!cell) {
					return "";
				}
				if (level==0) {
					visible = cell.offsetWidth > 0 || cell.offsetHeight > 0;
					if (!visible) {
						return "";
					}
					if (typeof cell.textContent != "undefined") {
						return cell.textContent.replace(/^\s+|\s+$/g,''); // strip white spaces
					} else if (typeof cell.innerText != "undefined") {
						return cell.innerText.replace(/^\s+|\s+$/g,'');
					} else if (typeof cell.text != "undefined") {
						return cell.text.replace(/^\s+|\s+$/g,'');
					}
				}
				ret = '';
				for (i=0 ; i<cell.childNodes.length ; i++) {
					ret += acid_tab.getcelltext(cell.childNodes[i],(level>0)?level-1:0);
				}
				return ret;
			},

			calcrowspan: function(tbody,rowid) {
				var rowspan;
				var i,cell;
				var row = tbody.rows[rowid];
				rowspan = 1;
				for (i=0 ; i<row.cells.length ; i++) {
					cell = row.cells[i];
					if (typeof cell.rowSpan != "undefined") {
						if (cell.rowSpan>rowspan) {
							rowspan = cell.rowSpan;
						}
					}
				}
				if (rowspan > tbody.rows.length - rowid) {
					rowspan = tbody.rows.length - rowid;
				}
				return rowspan;
			},

			sorter: function(hcell,newbody) {
				var table = hcell.acid_tab;
				var tbody = table.tBodies[0];
				var newrows = new Array();
				var smode = 0;
				var level = 0;
				var i,j,k;
				if (newbody==0) {
					if (table.acid_tab_sortedby != null) {
						if (table.acid_tab_indicator) {
							table.acid_tab_sortedby.removeChild(table.acid_tab_indicator);
						}
					}
					if (table.acid_tab_sortedby == hcell) {
						acid_tab.reverse(tbody);
						acid_tab.aftersort(table,tbody);
						table.acid_tab_reversed = 1-table.acid_tab_reversed;
						if (table.acid_tab_indicator) {
							table.acid_tab_indicator = document.createElement('span');
							dir = (table.acid_tab_reversed)?'up':'down';
							table.acid_tab_indicator.innerHTML = '<svg class="sort"><use xlink:href="#icon-sort-'+dir+'"/></svg>';
							hcell.appendChild(table.acid_tab_indicator);
							
						}
						acid_tab.remember(table);
						return;
					}
				}
				smode = hcell.acid_tab_smode;
				level = hcell.acid_tab_level;
				i = 0;
				while (smode==0 && i<tbody.rows.length) {
					var cell = tbody.rows[i].cells[hcell.acid_tab_colid];
					var text = acid_tab.getcelltext(cell,level);
					var rowspan = acid_tab.calcrowspan(tbody,i);
					if (text!='') {
						if (text.match(/^\s*(\+|-)?((\d+(\.\d+)?)|(\.\d+))(\s|%|$)/)) { // looks like a number
							smode = 1;
						}
					}
					i += rowspan;
				}
				if (smode==0) { // number not found - switch to alpha
					smode = 2;
				}
				i = 0;
				while (i<tbody.rows.length) {
					var cell = tbody.rows[i].cells[hcell.acid_tab_colid];
					var text = acid_tab.getcelltext(cell,level);
					var rowspan = acid_tab.calcrowspan(tbody,i);
					if (smode==1) {
						text = parseFloat(text);
						if (isNaN(text)) {
							text = 0;
						}
					}
					k = newrows.length;
					newrows[k] = new Array();
					newrows[k][0] = text;
					for (j=0 ; j<rowspan ; j++) {
						newrows[k][j+1] = tbody.rows[i];
						i++;
					}
				}
				if (smode==1) {
					newrows.sort(function(a,b){return a[0]-b[0];});
				} else {
					newrows.sort(function(a,b){ return (a[0]==b[0])?0:(a[0]<b[0])?-1:1; });
				}
				if (newbody==0) {
					table.acid_tab_reversed = 0;
				}
				if (table.acid_tab_reversed) {
					for (i=newrows.length-1 ; i>=0 ; i--) {
						for (j=0 ; j<newrows[i].length-1 ; j++) {
							tbody.appendChild(newrows[i][j+1]);
						}
					}
				} else {
					for (i=0 ; i<newrows.length ; i++) {
						for (j=0 ; j<newrows[i].length-1 ; j++) {
							tbody.appendChild(newrows[i][j+1]);
						}
					}
				}
				delete newrows;
				acid_tab.aftersort(table,tbody);
				if (newbody==0) {
					table.acid_tab_sortedby = hcell;
					if (table.acid_tab_indicator) {
						table.acid_tab_indicator = document.createElement('span');
						dir = (table.acid_tab_reversed)?'up':'down';
						table.acid_tab_indicator.innerHTML = '<svg class="sort"><use xlink:href="#icon-sort-'+dir+'"/></svg>';
						hcell.appendChild(table.acid_tab_indicator);
					}
					acid_tab.remember(table);
				}
				return;
			},

			remember: function(table) {
				if (table.acid_tab_storageid!="" && typeof sessionStorage != "undefined") {
					var i;
					i = ""+table.acid_tab_sortedby.acid_tab_myid+"_"+(table.acid_tab_reversed?'R':'F');
					sessionStorage.setItem("sortedby_"+table.acid_tab_storageid,i);
				}
			},

			clickhandler: function(ev) {
				acid_tab.sorter(this,0);
			},

			reverse: function(tbody) {
				var newrows = new Array();
				var rowspan;
				var i,j,k;
				i = 0;
				while (i<tbody.rows.length) {
					rowspan = acid_tab.calcrowspan(tbody,i);
					k = newrows.length;
					newrows[k] = new Array();
					for (j=0 ; j<rowspan ; j++) {
						newrows[k][j] = tbody.rows[i];
						i++;
					}
				}
				for (i=newrows.length-1 ; i>=0 ; i--) {
					for (j=0 ; j<newrows[i].length ; j++) {
						tbody.appendChild(newrows[i][j]);
					}
				}
				delete newrows;
			},

			aftersort: function(table,tbody) {
				if (typeof table.acid_tab_enumerate != "undefined") {
					acid_tab.enumerate(tbody,table.acid_tab_enumerate);
				}
				if (typeof table.acid_tab_zebra != "undefined") {
					acid_tab.dozebra(tbody,table.acid_tab_zebra);
				}
				acid_tab.addhovers(tbody);
			},

			dozebra: function(tbody,zebratab) {
				var rowspan;
				var cn;
				var i,j,k;
				i = 0;
				k = 0;
				while (i<tbody.rows.length) {
					rowspan = acid_tab.calcrowspan(tbody,i);
					for (j=0 ; j<rowspan ; j++) {
						cn = zebratab[k];
						tbody.rows[i].className = cn;
						tbody.rows[i].acid_tab_cn = cn;
						i++;
					}
					k++;
					if (k>=zebratab.length) {
						k=0;
					}
				}
			},

			enumerate: function(tbody,colid) {
				var rowspan;
				var i,j;
				i = 0;
				j = 1;
				while (i<tbody.rows.length) {
					rowspan = acid_tab.calcrowspan(tbody,i);
					tbody.rows[i].cells[colid].innerHTML=j;
					j++;
					i+=rowspan;
				}
			},

			rowsetclass: function(tbody,firstrow,classname) {
				var rowspan;
				var i;
				rowspan = acid_tab.calcrowspan(tbody,firstrow);
				for (i=0 ; i<rowspan ; i++) {
					tbody.rows[firstrow+i].className = classname;
				}
			},

			trenter: function(ev) {
				var i,t;
				var row;
				var tbody;
				t = ev.target;
				tbody = t.parentNode;
				acid_tab.rowsetclass(tbody,t.acid_tab_firstrow,"CH");
			},

			trleave: function(ev) {
				var i,t;
				var row;
				var tbody;
				var cn;
				t = ev.target;
				tbody = t.parentNode;
				if (typeof t.acid_tab_cn != "undefined") {
					cn = t.acid_tab_cn;
				} else {
					cn = "C1";
				}
				acid_tab.rowsetclass(tbody,t.acid_tab_firstrow,cn);
			},

			addhovers: function(tbody) {
				var rowspan;
				var cn;
				var i,j,k;
				i = 0;
				k = 0;
				while (i<tbody.rows.length) {
					rowspan = acid_tab.calcrowspan(tbody,i);
					for (j=0 ; j<rowspan ; j++) {
						tbody.rows[i+j].acid_tab_firstrow = i;
						acid_tab.add_hover(tbody.rows[i+j],acid_tab.trenter,acid_tab.trleave);
					}
					i += rowspan;
				}
			},

			changecss: function(myclass,element,value) {
				var i,j;
				var found;
				found = 0;
				for (i=0 ; i<document.styleSheets.length ; i++) {
					for (j=0 ; j<document.styleSheets[i].cssRules.length ; j++) {
						if (document.styleSheets[i].cssRules[j].selectorText == myclass) {
							document.styleSheets[i].cssRules[j].style[element] = value;
							found = 1;
						}
					}
				}
				return found;
			},

			switchdisplay: function(table,sname,no) {
				var i,d,f;
				i = 0;
				do {
					d = (i==no)?'inline':'none';
					f = acid_tab.changecss('.'+sname+i,'display',d);
					i++;
				} while (f);
				if (typeof table.nodeName == "undefined") {
					if (typeof table.toString != "undefined") {
						table = table.toString();
					}
					if (typeof table == "string") {
						table = document.getElementById(table);
					}
				}
				while (table.nodeName!="TABLE" && table.parentNode) {
					table = table.parentNode;
				}
				if (table.nodeName=="TABLE") {
					acid_tab.resort(table);
					if (table.acid_tab_storageid!="" && typeof sessionStorage != "undefined") {
						sessionStorage.setItem("switchdisplay_"+table.acid_tab_storageid+"_"+sname,no);
					}
				}
			}
		}
		acid_ready.register(acid_tab.init);
	}
}

document.addEventListener('DOMContentLoaded', function() {
	applyAcidTab();
}, false);

