const count_item_occupied_eem = (item) => {
    if (!item.options_data
        || item.options_data.ext_pwr === false
        || item.options_data.mono_eem === false
    )
        return item.slotOccupied;
    else if (item.options_data.ext_pwr === true)
        return 0;
    else if (item.options_data.mono_eem === true || item.options_data.n_eem === "1 EEM")
        return 1;
    else if (item.options_data.n_eem === "3 EEM")
        return 3;

    return item.slotOccupied || 0;
}

const count_item_occupied_clock = (item) => {
    return (item.options_data && item.options_data.ext_clk === true) ? 0 : (item.clockOccupied || 0);
}

const count_item_occupied_idc = (item) => {
    return item.idcOccupied || 0;
}

export const item_occupied_counters = {
    "eem": count_item_occupied_eem,
    "clk": count_item_occupied_clock,
    "idc": count_item_occupied_idc,
}

function CounterFactory(name) {
    return (data, index) => {
        let count = 0;
        for (let i = index + 1; i < data.length; i++) {
            if (data[i].resources && !!data[i].resources.find((value, _i) => value.name === name)) break;
            count += item_occupied_counters[name](data[i]);
        }
        return count;
    }
}

const resource_counters = {
    "eem": CounterFactory("eem"),
    "clk": CounterFactory("clk"),
    "idc": CounterFactory("idc")
}

function CountResources(data, index) {
    if (!data[index].resources) return null;
    let result = [];
    data[index].resources.forEach((item, _) => {
        if (resource_counters[item.name]) result.push({
            name: item.name,
            occupied: resource_counters[item.name](data, index),
            max: item.max
        });
    });
    return result;
}

export function FillResources(data) {
    return data.map((element, index) => {
        element.counted_resources = CountResources(data, index);
        return element;
    })
}