import { InstallType, Plugin } from './plugin';
import { getSetting, setSetting } from './utils/settings';

export enum Store {
  Default,
  Testing,
  Custom,
}

export interface StorePluginVersion {
  name: string;
  hash: string;
  artifact: string | undefined | null;
}

export interface StorePlugin {
  id: number;
  name: string;
  versions: StorePluginVersion[];
  author: string;
  description: string;
  tags: string[];
  image_url: string;
}

export interface PluginInstallRequest {
  plugin: string;
  selectedVer: StorePluginVersion;
  installType: InstallType;
}

// name: version
export type PluginUpdateMapping = Map<string, StorePluginVersion>;

export async function getStore(): Promise<Store> {
  return await getSetting<Store>('store', Store.Default);
}

export async function getPluginList(): Promise<StorePlugin[]> {
  let version = await window.DeckyPluginLoader.updateVersion();
  let store = await getSetting<Store | null>('store', null);

  let customURL = await getSetting<string>('store-url', 'https://plugins.deckbrew.xyz/plugins');
  let storeURL;
  if (store === null) {
    console.log('Could not get store, using Default.');
    await setSetting('store', Store.Default);
    store = Store.Default;
  }
  switch (+store) {
    case Store.Default:
      storeURL = 'https://plugins.deckbrew.xyz/plugins';
      break;
    case Store.Testing:
      storeURL = 'https://testing.deckbrew.xyz/plugins';
      break;
    case Store.Custom:
      storeURL = customURL;
      break;
    default:
      console.error('Somehow you ended up without a standard URL, using the default URL.');
      storeURL = 'https://plugins.deckbrew.xyz/plugins';
      break;
  }
  return fetch(storeURL, {
    method: 'GET',
    headers: {
      'X-Decky-Version': version.current,
    },
  }).then((r) => r.json());
}

export async function installFromURL(url: string) {
  const splitURL = url.split('/');
  await window.DeckyPluginLoader.callServerMethod('install_plugin', {
    name: splitURL[splitURL.length - 1].replace('.zip', ''),
    artifact: url,
  });
}

export async function requestPluginInstall(plugin: string, selectedVer: StorePluginVersion, installType: InstallType) {
  const artifactUrl = selectedVer.artifact ?? pluginUrl(selectedVer.hash);
  await window.DeckyPluginLoader.callServerMethod('install_plugin', {
    name: plugin,
    artifact: artifactUrl,
    version: selectedVer.name,
    hash: selectedVer.hash,
    install_type: installType,
  });
}

export async function requestMultiplePluginInstalls(requests: PluginInstallRequest[]) {
  await window.DeckyPluginLoader.callServerMethod('install_plugins', {
    requests: requests.map(({ plugin, installType, selectedVer }) => ({
      name: plugin,
      artifact: selectedVer.artifact ?? pluginUrl(selectedVer.hash),
      version: selectedVer.name,
      hash: selectedVer.hash,
      install_type: installType,
    })),
  });
}

export async function checkForUpdates(plugins: Plugin[]): Promise<PluginUpdateMapping> {
  const serverData = await getPluginList();
  const updateMap = new Map<string, StorePluginVersion>();
  for (let plugin of plugins) {
    const remotePlugin = serverData?.find((x) => x.name == plugin.name);
    if (remotePlugin && remotePlugin.versions?.length > 0 && plugin.version != remotePlugin?.versions?.[0]?.name) {
      updateMap.set(plugin.name, remotePlugin.versions[0]);
    }
  }
  return updateMap;
}

function pluginUrl(hash: string) {
  return `https://cdn.tzatzikiweeb.moe/file/steam-deck-homebrew/versions/${hash}.zip`;
}