import { Download, Task, Tasks } from "../types/download";
import { getTAUrl } from "./constants";



const TA_BASE_URL = getTAUrl();

export const getDownloads = async (token: string, filter: boolean, pageNumber: number): Promise<Download> => {
  if (!token) {
    throw new Error(`Unable to fetch downloads, no token provided.`);
  }
  const response = await fetch(`${TA_BASE_URL.server}/api/download/?filter=${filter ? 'ignore' : 'pending'}&page=${pageNumber}`, {
    headers: {
      Accept: "application/json",
      "Content-Type": "application/json",
      Authorization: `Token ${token}`,
      mode: "no-cors",
    },
  });
  if (response.ok) {
    return response.json();
  } else {
    // var error: Download = {
    //   data: null,
    //   config: null,
    //   paginate: null,
    //   message: response.statusText + " (" + response.status + ")",
    // }
    // error = response.statusText + " (" + response.status + ");
    throw new Error(response.statusText + " (" + response.status + ")");
    // return error;
  }
};

export const sendDownloads = async (token: string, input: string): Promise<Download> => {
  if (!token) {
    throw new Error(`Unable to send downloads, no token provided.`);
  }
  var data = {
    "data": [{
      "youtube_id": input,
      "status": "pending"
    }]
  };
  const response = await fetch(`${TA_BASE_URL.server}/api/download/`, {
    body: JSON.stringify(data),
    headers: {
      Accept: "application/json",
      "Content-Type": "application/json",
      Authorization: `Token ${token}`,
      mode: "no-cors",
    },
    method: "POST",
  });
  if (response.ok) {
    return response.json();
  } else if (response.status == 400) {
    throw new Error("Failed to extract links. Please input IDs or URLs for videos, channels, or playlists.");
  } else {
    throw new Error("Failed to connect to the API.");
  }
  
};

export const sendDeleteAllQueuedIgnored = async (token: string, filter: string): Promise<Download> => {
  if (!token) {
    throw new Error(`Unable to delete downloads, no token provided.`);
  }
  const response = await fetch(`${TA_BASE_URL.server}/api/download/?filter=${filter}`, {
    headers: {
      Accept: "application/json",
      "Content-Type": "application/json",
      Authorization: `Token ${token}`,
      mode: "no-cors",
    },
    method: "DELETE",
  });
  if (!response.ok) {
    throw new Error("Error removing all videos.");
    // return response.json();
  }
  return response.json();
};

export const sendDeleteVideoQueuedIgnored = async (token: string, videoId: string): Promise<Download> => {
  if (!token) {
    throw new Error(`Unable to delete downloads, no token provided.`);
  }
  const response = await fetch(`${TA_BASE_URL.server}/api/download/${videoId}/`, {
    headers: {
      Accept: "application/json",
      "Content-Type": "application/json",
      Authorization: `Token ${token}`,
      mode: "no-cors",
    },
    method: "DELETE",
  });
  if (!response.ok) {
    throw new Error("Error removing video.");
    // return response.json();
  }
  return response.json();
};

export const sendMoveVideoQueuedIgnored = async (token: string, videoId: string, status: string): Promise<Download> => {
  if (!token) {
    throw new Error(`Unable to move downloads, no token provided.`);
  }
  var data = {
    "status": status
  };
  const response = await fetch(`${TA_BASE_URL.server}/api/download/${videoId}/`, {
    body: JSON.stringify(data),
    headers: {
      Accept: "application/json",
      "Content-Type": "application/json",
      Authorization: `Token ${token}`,
      mode: "no-cors",
    },
    method: "POST",
  });
  if (!response.ok) {
    throw new Error("Error moving video to" + status + ".");
  }
  return response.json();
};

export const sendTasks = async (token: string, task: Tasks): Promise<Task> => {
  if (!token) {
    throw new Error(`Unable to start task, no token provided.`);
  }
  var data = {
    "run": task
  };
  const response = await fetch(`${TA_BASE_URL.server}/api/task/`, {
    body: JSON.stringify(data),
    headers: {
      Accept: "application/json",
      "Content-Type": "application/json",
      Authorization: `Token ${token}`,
      mode: "no-cors",
    },
    method: "POST",
  });
  if (!response.ok) {
    throw new Error(`Error running task: ${task}.`);
  }
  return response.json();
};