import { PROTOCOL_S5, Sdk } from "@lumeweb/portal-sdk";
import { useSdk } from "~/components/lib/sdk-context.js";
import { S5Client } from "@lumeweb/s5-js";
import { S5Error } from "@lumeweb/s5-js/lib/client.js";

export interface PinningStatus {
  id: string;
  progress: number;
  status: "processing" | "completed";
}

// biome-ignore lint/complexity/noStaticOnlyClass: <explanation>
export class PinningProcess {
  private static instances: Map<string, PinningStatus> = new Map();

  private static sdk?: Sdk;

  static async pin(id: string): Promise<{ success: boolean; message: string }> {
    try {
      const s5 = PinningProcess.sdk?.protocols().get<S5Client>("s5")!.getSdk()!;
      console.log({ s5 });
      if (PinningProcess.instances.has(id)) {
        return { success: false, message: "ID is already being processed" };
      }

      const pinningStatus: PinningStatus = {
        id,
        progress: 0,
        status: "processing",
      };

      const response = await s5.pin(id);
      console.log({ response });
      PinningProcess.instances.set(id, pinningStatus);

      return { success: true, message: "Pinning process started" };
    } catch (e) {
      console.error(e);
      return { success: false, message: "Pinning process failed" };
    }
  }

  static async unpin(
    id: string,
  ): Promise<{ success: boolean; message: string }> {
    if (!PinningProcess.instances.has(id)) {
      return { success: false, message: "ID not found or not being processed" };
    }

    await PinningProcess.sdk
      ?.protocols()
      .get<S5Client>(PROTOCOL_S5)!
      .getSdk()
      .unpin(id);

    return { success: true, message: "Pinning process removed" };
  }

  static *pollAllProgress(): Generator<PinningStatus[], void, unknown> {
    let allStatuses = Array.from(PinningProcess.instances.values());
    let inProgress = allStatuses.some((status) => {
      PinningProcess.checkStatus(status.id);
      return status.status !== "processing";
    });

    while (inProgress) {
      yield allStatuses;
      allStatuses = Array.from(PinningProcess.instances.values());
      inProgress = allStatuses.some((status) => {
        PinningProcess.checkStatus(status.id);
        return status.status !== "completed";
      });
    }

    yield allStatuses ?? []; // Yield the final statuses
  }

  private static async checkStatus(id: string) {
    const s5 = PinningProcess.sdk
      ?.protocols()
      .get<S5Client>(PROTOCOL_S5)!
      .getSdk()!;
    try {
      const ret = await s5.pinStatus(id);
      const status = PinningProcess.instances.get(id);
      if (!status) {
        return;
      }

      status.progress = ret.progress;
      status.status = ret.status as any;
    } catch (e) {
      if ((e as S5Error).statusCode == 404) {
        PinningProcess.instances.delete(id);
      }
      return;
    }
  }

  public static setupSdk(sdk: Sdk) {
    PinningProcess.sdk = sdk;
  }
}