import * as api from '../../client/src/api/api';
import { EndpointError, EndpointHandler, handleErrorsInEndpoint } from './types';
import Knex from 'knex';
import asJson from '../lib/asJson';
import { AlbumWithDetails } from '../../client/src/api/api';
import { createAlbum, deleteAlbum, getAlbum, modifyAlbum } from '../db/Album';
import { GetArtist } from './Artist';

export const GetAlbum: EndpointHandler = async (req: any, res: any, knex: Knex) => {
  const { id: userId } = req.user;

  try {
    const maybeAlbum: api.GetAlbumResponse | null =
      await getAlbum(req.params.id, userId, knex);

    if (maybeAlbum) {
      await res.send(maybeAlbum);
    } else {
      await res.status(404).send({});
    }

  } catch (e) {
    handleErrorsInEndpoint(e);
  }
}

export const PostAlbum: EndpointHandler = async (req: any, res: any, knex: Knex) => {
  if (!api.checkPostAlbumRequest(req)) {
    const e: EndpointError = {
      name: "EndpointError",
      message: 'Invalid PostAlbum request',
      httpStatus: 400
    };
    throw e;
  }
  const reqObject: api.PostAlbumRequest = req.body;
  const { id: userId } = req.user;

  console.log("User ", userId, ": Post Album ", reqObject);

  try {
    let id = await createAlbum(userId, reqObject, knex);
    res.status(200).send(id);
  } catch (e) {
    handleErrorsInEndpoint(e);
  }
}

export const PutAlbum: EndpointHandler = async (req: any, res: any, knex: Knex) => {
  if (!api.checkPutAlbumRequest(req)) {
    const e: EndpointError = {
      name: "EndpointError",
      message: 'Invalid PutAlbum request',
      httpStatus: 400
    };
    throw e;
  }
  const reqObject: api.PutAlbumRequest = req.body;
  const { id: userId } = req.user;

  console.log("User ", userId, ": Put Album ", reqObject);

  try {
    modifyAlbum(userId, req.params.id, reqObject, knex);
    res.status(200).send();
  } catch (e) {
    handleErrorsInEndpoint(e);
  }
}

export const PatchAlbum: EndpointHandler = async (req: any, res: any, knex: Knex) => {
  if (!api.checkPatchAlbumRequest(req)) {
    const e: EndpointError = {
      name: "EndpointError",
      message: 'Invalid PatchAlbum request',
      httpStatus: 400
    };
    throw e;
  }
  const reqObject: api.PatchAlbumRequest = req.body;
  const { id: userId } = req.user;

  console.log("User ", userId, ": Patch Album ", reqObject);

  try {
    modifyAlbum(userId, req.params.id, reqObject, knex);
    res.status(200).send();
  } catch (e) {
    handleErrorsInEndpoint(e);
  }
}

export const DeleteAlbum: EndpointHandler = async (req: any, res: any, knex: Knex) => {
  const { id: userId } = req.user;

  console.log("User ", userId, ": Delete Album ", req.params.id);

  try {
    await deleteAlbum(userId, req.params.id, knex);
    res.status(200).send();

  } catch (e) {
    handleErrorsInEndpoint(e);
  }
}

export const albumEndpoints: [ string, string, boolean, EndpointHandler ][] = [
  [ api.PostAlbumEndpoint, 'post', true, PostAlbum ],
  [ api.GetAlbumEndpoint, 'get', true, GetAlbum ],
  [ api.PutAlbumEndpoint, 'put', true, PutAlbum ],
  [ api.PatchAlbumEndpoint, 'patch', true, PatchAlbum ],
  [ api.DeleteAlbumEndpoint, 'delete', true, DeleteAlbum ],
];