import { Fetcher } from '@difizen/magent-core';
import type { FecterResponse } from '@difizen/magent-core';
import { inject, prop, singleton } from '@difizen/mana-app';

import type { PluginModel } from './plugin-model.js';
import type { PluginMeta } from './protocol.js';
import { PluginFactory } from './protocol.js';

@singleton()
export class PluginManager {
  @inject(PluginFactory) factory: PluginFactory;
  @inject(Fetcher) fetcher: Fetcher;
  cache: Map<string, PluginModel> = new Map();

  @prop()
  publicList: PluginModel[] = [];

  @prop()
  loading = false;

  getAll = async (): Promise<PluginMeta[]> => {
    const defaultValue: PluginMeta[] = [];
    const res = await this.fetcher.get<PluginMeta[]>(`/api/v1/plugins`);
    if (res.status === 200) {
      return res.data;
    }
    return defaultValue;
  };

  updatePublic = async () => {
    this.loading = true;
    const options = await this.getAll();
    this.publicList = options.map(this.getOrCreate);
    this.loading = false;
  };

  getOrCreate = (option: PluginMeta): PluginModel => {
    const exist = this.cache.get(option.id);
    if (exist) {
      exist.updateOption(option);
      return exist;
    }
    const plugin = this.factory(option);
    this.cache.set(plugin.id, plugin);
    return plugin;
  };

  create = async (option: PluginMeta): Promise<FecterResponse<string>> => {
    const res = await this.fetcher.post<string>(`/api/v1/plugins/openapi`, option);
    return res;
  };
}