// IndexedDB4safety.txt
// <script src="https://cdn.jsdelivr.net/npm/idb-keyval@6/dist/umd.js"></script>
// see line 832 testing

function save_notes2IDB(){
	var v_time=microtime(true) ;
	// alert('Gotta save to IDB')

	console.log('Saving notes to local storage at '+v_time);

	var request = indexedDB.open("UserNotes",1);
	request.onupgradeneeded = function() {
	  	console.log('Running onupgradeneeded line 294');
	  var db = request.result;
	  var store = db.createObjectStore("LG", {keyPath: "case_id"});
 	  var CaseNameIndex = store.createIndex("case_name", "case_name", {unique: false});
	  // Populate with initial data.
	  store.put({ case_id: LG.case_id
	  			,case_name : LG.case_name
				,notes : {}
				,topicslist : []
				,case_notes_user_topics : {}
				,notes4topics : {}
				,topics4notes : {}
	  			,sortbyDocnum : sortbyDocnum
	  			,CaseDocsData : CaseDocsData
	  			,VolumesList : VolumesList
	  			,ChronDoclist : ChronDoclist
				,user_nid : ''
				,has_note_rights : ''
				,role : ''
				,SortNotesBy : ''
				,UsingDocnum : ''
				,UsingNoteNum : ''
	  			,pagination_mode : pagination_mode
	  			,docsInBundle : docsInBundle
	  			,pgsInBundle : pgsInBundle
	  		//	,zipfilesize : zipfilesize
	  			,lastdate:new Date().getTime()
	 		 });
	};
	request.onsuccess = function() {
	  db = request.result;
		var v_time=microtime(true) ;
	  console.log('Running onsuccess (opened CasesData) at line 381 at '+v_time);
		var tx = db.transaction("LG", "readwrite");
		var store = tx.objectStore("LG");
		var iDB= {
			 case_id: LG.case_id
			,case_name : LG.case_name
			,notes : LG.notes
			,topicslist : LG.topicslist
			,case_notes_user_topics : LG.case_notes_user_topics
			,notes4topics : LG.notes4topics
			,topics4notes : LG.topics4notes
			,sortbyDocnum : sortbyDocnum
			,CaseDocsData : CaseDocsData
			,VolumesList : VolumesList
			,ChronDoclist : ChronDoclist
			,user_nid : LG.user_nid
			,has_note_rights : LG.has_note_rights
			,role : LG.role
			,SortNotesBy : LG.SortNotesBy
			,UsingDocnum : LG.UsingDocnum
			,UsingNoteNum : LG.UsingNoteNum
			,pagination_mode : pagination_mode
			,docsInBundle : docsInBundle
			,pgsInBundle : pgsInBundle
			// ,zipfilesize : zipfilesize
			,lastdate:new Date().getTime()
		}
		store.put(iDB);

		tx.oncomplete = function() {
			// All requests have succeeded and the transaction has committed.
			// var v_time=new Date().getTime() ;
			var v_time=microtime(true) ;
			console.log('Line 440 tx.oncompleted '+v_time);
			// alert('Saved to local storage.  See the data');
			//JSON_display(iDB);
		// 	iDB_display(iDB) ;
			db.close();
		}; // tx.oncomplete
	}; // request.onsuccess
} // eof

function microtime(get_as_float) {
    var now = new Date().getTime() / 1000;
    var s = parseInt(now);
    return (get_as_float) ? now : (Math.round((now - s) * 1000) / 1000) + ' ' + s;
}


function iDB_display(objname){
	//var popstr = JSON.stringify(eval(objname)) ;
	var popstr = JSON.stringify(objname) ;
	// popstr = popstr.replace("'","`")
	document.getElementById('iDBscript').innerHTML=popstr;

	try{
	var jsontoParse=document.getElementById('iDBscript').innerHTML;
	// LG.IDB=JSON.parse(popstr);
		LG.IDB=JSON.parse(jsontoParse);
		// alert('The jsontoParse from  LG.IDB =  '+LG.IDB.case_name);
	}catch(e){alert('LG.IDB error: '+e);}


    v_attributes="toolbar=no,location=no,directories=no,status=no,menubar=no,titlebar=no,scrollbars=yes,resizable=yes,copyhistory=no,alwaysraised=yes,dependent=yes,Height=900,Width=650,left=50,top=20, screenX=20, screenY=20";
    if ( json_display_popup != null ) json_display_popup.close();
    json_display_popup = open('',"json_display_popup",v_attributes);
	json_display_popup.document.open();
	json_display_popup.document.write(popstr);
	json_display_popup.document.close();
}


// function scriptLoaded(){
// 	LG.viewernotesciptloaded=true;
// 	document.getElementById('div2showNotesSwitch').style.display='block';
// 	//alert('Gotta get user notes');
// 	// getusernotes() ;
// 	getusernotesFromIDB() ;
// }

function getusernotesFromIDB(){
	if(!window.indexedDB){
		alert('indexedDB is not supported');
		console.log('indexedDB is not supported line 596');
		return false;
	}else{
		alert('indexedDB is  supported.  Getting local data for notes line 600');
		console.log('indexedDB is supported  line 600');

	var request2 = indexedDB.open("UserNotes",1);
	var db;

	request2.onupgradeneeded = function() {
	  // The database did not previously exist, so create object stores and indexes.
	  	console.log('Running onupgradeneeded line 606');

	  var db = request2.result;
	  var store = db.createObjectStore("LG", {keyPath: "case_id"});
 	  var CaseNameIndex = store.createIndex("case_name", "case_name", {unique: false});
// 	  var authorIndex = store.createIndex("by_author", "author");

	  // Populate with initial data.
	  store.put({ case_id: LG.case_id
	  			,case_name : LG.case_name
				,notes : {}
				,topicslist : []
				,case_notes_user_topics : {}
				,notes4topics : {}
				,topics4notes : {}
	  			,sortbyDocnum : sortbyDocnum
	  			,CaseDocsData : CaseDocsData
	  			,VolumesList : VolumesList
	  			,ChronDoclist : ChronDoclist
				,user_nid : ''
				,has_note_rights : ''
				,role : ''
				,SortNotesBy : ''
				,UsingDocnum : ''
				,UsingNoteNum : ''
	  			,pagination_mode : pagination_mode
	  			,docsInBundle : docsInBundle
	  			,pgsInBundle : pgsInBundle
	  			,zipfilesize : zipfilesize
	  			,lastdate:new Date().getTime()
	 		 });
	};
	request2.onsuccess = function(event) {
	// next explains why we use request2 and request3
	// https://stackoverflow.com/questions/53972918/cannot-read-property-result-of-undefined-indexeddb
	//
	  console.log('Running onsuccess at line 641 to open CasesData'); // request2 = indexedDB.open("UserNotes",1);
		// db = request2.result;
		db = event.target.result ;
		var tx = db.transaction("LG","readonly");
		var store = tx.objectStore("LG");
		var v_case_id = LG.case_id ;
		var request3 = store.get(v_case_id);
		request3.onsuccess = function(event) {
			console.log('Line 649 success getting the case '+v_case_id);
			var IDB=request3.result ;
			LG.case_id = IDB.case_id ;

			LG.case_name = IDB.case_name ;
	alert('Line 654 says case_name '+IDB.case_name)
// FIX this
	if(IDB.notes[22] && IDB.notes[22].descriprip !=''){
		alert('Line 661 there is a note 22')
			LG.notes = IDB.notes ;
	}
			LG.topicslist = IDB.topicslist ;
			LG.case_notes_user_topics = IDB.case_notes_user_topics ;
			LG.notes4topics = IDB.notes4topics ;
			LG.topics4notes = IDB.topics4notes ;
			LG.user_nid = IDB.user_nid ;
			LG.has_note_rights = IDB.has_note_rights ;
			// LG.role = IDB.role ;
			LG.role='SvrMngr';
			LG.SortNotesBy = IDB.SortNotesBy ;

			for(var topic_id in LG.case_notes_user_topics){
			if (LG.case_notes_user_topics.hasOwnProperty(topic_id) ) {
				LG.topicslist[LG.topicslist.length] = LG.case_notes_user_topics[topic_id].topic+'##'+topic_id+'##'+LG.case_notes_user_topics[topic_id].propositions ;
			}
		}
		LG.topicslist.sort();
		document.getElementById('div2showNotesSwitch').style.display='block';

		} // request.onsuccess get data 646


		db.close();
	} // request.onsuccess OPen DB 639



	}// if IDB supported



}// eof getusernotesFromIDB