import { asyncKV } from "@star-kitten/util";

export enum RefDataType {
    BLUEPRINT = 'blueprints',
    CATEGORY = 'cateogories',
    ATTRIBUTE = 'dogma_attributes',
    EFFECT = 'dogma_effects',
    GROUP = 'groups',
    ICON = 'icons',
    MARKET_GROUP = 'market_groups',
    META_GROUP = 'meta_groups',
    MUTAPLASMID = 'mutaplasmids',
    REGION = 'regions',
    SCHEMATIC = 'schematics',
    SKILL = 'skills',
    TYPE = 'types',
    UNIT = 'units',
}

const REF_DATA_BASE_URL = 'https://ref-data.everef.net';
export async function fetchReferenceData<T>(id: number, type: RefDataType) {
    const key = `${type}/${id}`;
    if (await asyncKV.has(key)) {
        return JSON.parse(await asyncKV.get(key)) as T;
    }
    let url = new URL(REF_DATA_BASE_URL);
    url.pathname = `${type}/${id}`;
    const result = await fetch(url);
    if (result.ok) {
        const text = await result.text();
        await asyncKV.set(key, text);
        return JSON.parse(text) as T;
    }
    throw new Error(`${type} id ${id} not found in reference data.`);
}

export async function fetchIdsOfType(type: RefDataType) {
    let url = new URL(REF_DATA_BASE_URL);
    url.pathname = type;
    const result = await fetch(url);
    if (result.ok) {
        return (await result.json()) as number[];
    }
}

export async function loadAll(type: RefDataType) {
  const ids = await fetchIdsOfType(type);
  const promises = ids.map(id => fetchReferenceData(id, type));
  await Promise.all(promises);
}