class SaveManager {

    static saveData(types, dataset) {
        let finalDataset = {
            v1: SaveManager.generateV1JSON(types, dataset),
            v2: SaveManager.generateV2JSON(types, dataset)
        };
        console.log(finalDataset);
        $.ajax({
            type: "POST",
            url: "write_json.php",
            data: JSON.stringify(finalDataset),
            dataType: "json",
            contentType: "application/json; charset=utf-8",
            complete: function (data) {
                alert(data.responseText);
                console.log(data);
            },
        });
    }

    static generateV1JSON(savedTypes, savedDataset) {
        let types = [];
        // Replace type objects by names
        for (let i = 0; i < savedTypes.length; i++) {
            types.push(savedTypes[i].name);
        }
        let dataset = JSON.parse(JSON.stringify(savedDataset)); // Deep copy of object
        for (let i = 0; i < dataset.length; i++) {
            // Replace type ids by names
            for (let k = 0; k < dataset[i].type.length; k++) {
                dataset[i].type[k] = SaveManager.getTypeOfId(savedTypes, dataset[i].type[k]).name;
            }
            // remove the description field
            delete dataset[i].description
        }
        return {
            types: types,
            articles: dataset
        }
    }

    static generateV2JSON(savedTypes, savedDataset) {
        return {
            types: savedTypes,
            articles: savedDataset
        }
    }

    static getTypeOfId(types, id) {
        let item = {};
        for (let i = 0; i < types.length; i++) {
            if (types[i].id === id) {
                item = types[i];
                break;
            }
        }
        return item;
    }

    static convertToV2() {
        $.ajax({
            type: "POST",
            url: "convert_json.php",
            dataType: "json",
            contentType: "application/json; charset=utf-8",
            complete: function (data) {
                alert(data.responseText);
                console.log(data);
                window.location.reload();
            },
        });
    }
}