data.tis

const dbPath = System.home("betaka.json");

function initFiles(forced = false) {
    if (!System.scanFiles(dbPath) || forced) {
        var file = Stream.openFile(dbPath, "wu");
        var data = {
            decks: [{
                id: "MainDeck",
                name: "Main Deck",
                questions: [{
                    i: "Q12345",
                    q: "What is the name of this app?",
                    a: "Betakat",
                    t: []
                }]
            }],
            options: {
                letters: false,
                random : false
            }
        };
        // i : id, q : question, a : answer, d : deck, t : time, n : name
        file.print(JSON.stringify(data," "));
        file.close();
    }
}
initFiles();


namespace DB {
    var data;

    function load() {
        var file = Stream.openFile(dbPath, "ur");
        data = parseData((file));
        file.close();
        if(!data) { initFiles(true); load(); }
    }
    function save() {
        var file = Stream.openFile(dbPath, "wu");
        file.print(JSON.stringify(data, " "));
        file.close();
    }

    namespace decks {

        function list() {
            return data.decks;
        }

        function add(name) {
            const deck = {
                id: String.UID(),
                name: name,
                questions: []
            };
            data.decks.push(deck);

            save();
        }

        function edit(D) {
            var (i, deck) = data.decks.find(:d: d.id == D.id);
            data.decks[i].name = D.name;

            save();
        }

        function remove(id) {
            var (i, deck) = data.decks.find(:d: d.id == id);
            delete data.decks[i];

            save();
        }

    }

    namespace questions {

        function list() {
            var list = data.decks.find(:d: d.id == currentDeck).questions;
            QuestionsList = data.options.random ? list.shuffle() : list;
            return list;
        }

        function add(Q, A) {
            const question = {
                i: String.UID(),
                q: Q,
                a: A,
                t: []
            };

            var (i, deck) = data.decks.find(:d: d.id == currentDeck);
            data.decks[i].questions.push(question);

            save();
        }

        function edit(Q) {
            var (ind1, deck)     = data.decks.find(:d: d.id == currentDeck);
            var (ind2, question) = data.decks[ind1].questions.find(:q: q.i == Q.i);
            data.decks[ind1].questions[ind2] = Q;

            save();
        }
        
        function remove(id) {
            var (ind1, deck)     = data.decks.find(:d: d.id == currentDeck);
            var (ind2, question) = data.decks[ind1].questions.find(:q: q.i == id);
            delete data.decks[ind1].questions[ind2];

            save();
        }

    }
}

DB.load();