import {useShopStore} from "./shop_store";
import {FilterOptions} from "./options/utils";
import {v4 as uuidv4} from "uuid";


export function validateJSON(description) {
    let crates_raw;
    try {
        const parsed = JSON.parse(description);
        // here we can check additional fields
        crates_raw = parsed.crates;
    } catch (e) {
        return false;
    }
    const crate_modes = useShopStore.getState().crate_modes;
    const modes_order = useShopStore.getState().modes_order;
    const pn_to_card = useShopStore.getState().pn_to_cards;

    try {
        for (const crate of crates_raw) {
            if (!crate.type || !crate.items || !(crate.type in crate_modes)) return false;
            for (const card of crate.items) {
                if (!(card.pn in pn_to_card) || card.options === undefined) return false;
            }
        }
    } catch (e) {
        return false;
    }

    // only last one should be spare cards
    return crates_raw.filter((crate) => !modes_order.includes(crate.type)).length === 1 && crates_raw[crates_raw.length - 1].type === "no_crate";
}

// no validation in this function
export function JSONToCrates(description) {
    const parsed = JSON.parse(description);
    const crates_raw = parsed.crates;
    const pn_to_card = useShopStore.getState().getCardDescriptionByPn;
    const fanTrayAvailable = useShopStore.getState().fanTrayAvailableForMode;

    const crates = Array.from(crates_raw.map((crate, c_i) => ({
        id: crate.type === "no_crate" ? "spare" : "crate" + c_i,
        name: crate.type === "no_crate" ? "Spare cards" : undefined,
        fan_tray: fanTrayAvailable(crate.type) && crate.fan_tray === true,
        crate_mode: crate.type,
        items: Array.from(crate.items.map((card, _i) => ({
            ...pn_to_card(card.pn),
            id: uuidv4(),
            options_data: card.options || {}
        }))),
        warnings: [],
        occupiedHP: 0,
    })));

    return {
        // some additional fields go here
        crates: crates
    };
}

export function CratesToJSON(crates) {
    const fanTrayAvailable = useShopStore.getState().fanTrayAvailableForMode;
    return JSON.stringify({
        // additional fields can go here
        crates: Array.from(crates.map((crate, _i) => ({
            items: Array.from(crate.items.map((card, _) => ({
                pn: card.name_number,
                options: (card.options_data && card.options) ? FilterOptions(card.options, card.options_data) : null
            }))),
            type: crate.crate_mode,
            fan_tray: (!fanTrayAvailable(crate.crate_mode) ? undefined : true) && crate.fan_tray
        })))
    }, null, 2)
}