import { Asset, LoggerInstance } from '@oceanprotocol/lib'
import { AssetSelectionAsset } from '@shared/FormInput/InputElement/AssetSelection'
import axios, { CancelToken, AxiosResponse } from 'axios'
import { OrdersData_orders as OrdersData } from '../../@types/subgraph/OrdersData'
import { metadataCacheUri } from '../../../app.config'
import {
  SortDirectionOptions,
  SortTermOptions
} from '../../@types/aquarius/SearchQuery'
import { transformAssetToAssetSelection } from '../assetConvertor'

export interface UserSales {
  id: string
  totalSales: number
}

export const MAXIMUM_NUMBER_OF_PAGES_WITH_RESULTS = 476

export function escapeEsReservedCharacters(value: string): string {
  // eslint-disable-next-line no-useless-escape
  const pattern = /([\!\*\+\-\=\<\>\&\|\(\)\[\]\{\}\^\~\?\:\\/"])/g
  return value?.replace(pattern, '\\$1')
}

/**
 * @param filterField the name of the actual field from the ddo schema e.g. 'id','service.attributes.main.type'
 * @param value the value of the filter
 * @returns json structure of the es filter
 */
export function getFilterTerm(
  filterField: string,
  value: string | number | boolean | number[] | string[]
): FilterTerm {
  const isArray = Array.isArray(value)
  return {
    [isArray ? 'terms' : 'term']: {
      [filterField]: value
    }
  }
}

// hardcoded did
export function generateBaseQuery(
  baseQueryParams: BaseQueryParams
): SearchQuery {
  const filters: unknown[] = [getFilterTerm('_index', 'aquarius')]
  baseQueryParams.filters && filters.push(...baseQueryParams.filters)
  baseQueryParams.chainIds &&
    filters.push(getFilterTerm('chainId', baseQueryParams.chainIds))
  !baseQueryParams.ignorePurgatory &&
    filters.push(getFilterTerm('purgatory.state', false))
  !baseQueryParams.ignoreState &&
    filters.push({
      bool: {
        must_not: [
          {
            term: {
              'nft.state': 5
            }
          }
        ],
        should: [
          {
            terms: {
              'metadata.tags.keyword': ['RegenRangersODC']
            }
          },
          {
            terms: {
              'id.keyword': [
                'did:op:92067fe74892465ad77bb989abe48f67b76dfbb72bf547caa1805dfccb195f88',
                'did:op:447ed4c1808d31f8aef9591fffea5f78a19a8518291174a9f1c159ff3c499669',
                'did:op:7e984edf15c1b97d1ce4da9a01bc28d775d8c378305337da89868c859b5f5708',
                'did:op:3ea3f29bba2b8db2a578603812a9750b74dd95f085a9840305bf0e910dcad240',
                'did:op:a501d6eb47978d929ac2a9d4304a7997bcba9c2f11eaf9ebd8019ea4108645af',
                'did:op:bd9991b34d925b3a7e3c8da7239ba9d6830d11794b76616201d5d3c16eb5064d',
                'did:op:3a5f6705369b2a461753d292519fcf76d17bb5360cef9ef4b414f1397ebe2332',
                'did:op:7df1cc9918f35163938ca219510a774c9ed80f8331c2743886fc54623acff218',
                'did:op:8b133e8d3d2b37e94e25485e7c98503e505461b9095e78af6960666b5cdd4cf6',
                'did:op:1d319077f7879e48b01aad52e4a69fc0ea06594c908575df4bd5cd015338b8cf',
                'did:op:eac43d546ba84e5b82ddf4d2fbf4db9290711e8d2c2a167bce148b7209d41623',
                'did:op:b2d554a5e09989bd81f1c54295fafab2a2784fb87ede3390a7103946f65df331',
                'did:op:f5373f2561910d13d442a2598e5b52b6e831020fef0157319b963b9bed0a615b',
                'did:op:8f69894fee4cbbeb5c8a5df9a2af58d3683bd8c989974b4a998dea2fb4d3e5cb',
                'did:op:d0714e46ae0bf3f7c3488109d0bdd406f7f026ef5e99e9d25c4ce7ae61d7b572',
                'did:op:1875f69b9ffe36d394f2aabd76e9e1f7a2b3f69c238fd9ddec177877c42f4117',
                'did:op:80bdd287b517eebaed0fc7010d7909b3708d2d0ecb741c58168f89b3ebd012cc'
              ]
            }
          }
        ]
      }
    })
  const generatedQuery = {
    from: baseQueryParams.esPaginationOptions?.from || 0,
    size:
      baseQueryParams.esPaginationOptions?.size >= 0
        ? baseQueryParams.esPaginationOptions?.size
        : 1000,
    query: {
      bool: {
        ...baseQueryParams.nestedQuery,
        filter: filters
      }
    }
  } as SearchQuery

  if (baseQueryParams.aggs !== undefined) {
    generatedQuery.aggs = baseQueryParams.aggs
  }

  if (baseQueryParams.sortOptions !== undefined)
    generatedQuery.sort = {
      [baseQueryParams.sortOptions.sortBy]:
        baseQueryParams.sortOptions.sortDirection ||
        SortDirectionOptions.Descending
    }
  return generatedQuery
}

export function transformQueryResult(
  queryResult: SearchResponse,
  from = 0,
  size = 21
): PagedAssets {
  const result: PagedAssets = {
    results: [],
    page: 0,
    totalPages: 0,
    totalResults: 0,
    aggregations: []
  }

  result.results = (queryResult.hits.hits || []).map(
    (hit) => hit._source as Asset
  )

  result.aggregations = queryResult.aggregations
  result.totalResults = queryResult.hits.total.value
  result.totalPages =
    result.totalResults / size < 1
      ? Math.floor(result.totalResults / size)
      : Math.ceil(result.totalResults / size)
  result.page = from ? from / size + 1 : 1

  return result
}

export async function queryMetadata(
  query: SearchQuery,
  cancelToken: CancelToken
): Promise<PagedAssets> {
  try {
    const response: AxiosResponse<SearchResponse> = await axios.post(
      `${metadataCacheUri}/api/aquarius/assets/query`,
      { ...query },
      { cancelToken }
    )
    if (!response || response.status !== 200 || !response.data) return
    return transformQueryResult(response.data, query.from, query.size)
  } catch (error) {
    if (axios.isCancel(error)) {
      LoggerInstance.log(error.message)
    } else {
      LoggerInstance.error(error.message)
    }
  }
}

export async function getAsset(
  did: string,
  cancelToken: CancelToken
): Promise<Asset> {
  try {
    const response: AxiosResponse<Asset> = await axios.get(
      `${metadataCacheUri}/api/aquarius/assets/ddo/${did}`,
      { cancelToken }
    )
    if (!response || response.status !== 200 || !response.data) return

    const data = { ...response.data }
    return data
  } catch (error) {
    if (axios.isCancel(error)) {
      LoggerInstance.log(error.message)
    } else {
      LoggerInstance.error(error.message)
    }
  }
}

export async function getAssetsNames(
  didList: string[],
  cancelToken: CancelToken
): Promise<Record<string, string>> {
  try {
    const response: AxiosResponse<Record<string, string>> = await axios.post(
      `${metadataCacheUri}/api/aquarius/assets/names`,
      { didList },
      { cancelToken }
    )
    if (!response || response.status !== 200 || !response.data) return
    return response.data
  } catch (error) {
    if (axios.isCancel(error)) {
      LoggerInstance.log(error.message)
    } else {
      LoggerInstance.error(error.message)
    }
  }
}

export async function getAssetsFromDids(
  didList: string[],
  chainIds: number[],
  cancelToken: CancelToken
): Promise<Asset[]> {
  if (didList?.length === 0 || chainIds?.length === 0) return []

  try {
    const orderedDDOListByDIDList: Asset[] = []
    const baseQueryparams = {
      chainIds,
      filters: [getFilterTerm('_id', didList)],
      ignorePurgatory: true
    } as BaseQueryParams
    const query = generateBaseQuery(baseQueryparams)
    const result = await queryMetadata(query, cancelToken)

    didList.forEach((did: string) => {
      const ddo = result.results.find((ddo: Asset) => ddo.id === did)
      if (ddo) orderedDDOListByDIDList.push(ddo)
    })
    return orderedDDOListByDIDList
  } catch (error) {
    LoggerInstance.error(error.message)
  }
}

export async function getAlgorithmDatasetsForCompute(
  algorithmId: string,
  datasetProviderUri: string,
  datasetChainId?: number,
  cancelToken?: CancelToken
): Promise<AssetSelectionAsset[]> {
  const baseQueryParams = {
    chainIds: [datasetChainId],
    nestedQuery: {
      must: {
        match: {
          'services.compute.publisherTrustedAlgorithms.did': {
            query: algorithmId
          }
        }
      }
    },
    sortOptions: {
      sortBy: SortTermOptions.Created,
      sortDirection: SortDirectionOptions.Descending
    }
  } as BaseQueryParams

  const query = generateBaseQuery(baseQueryParams)
  const computeDatasets = await queryMetadata(query, cancelToken)
  if (computeDatasets?.totalResults === 0) return []

  const datasets = await transformAssetToAssetSelection(
    datasetProviderUri,
    computeDatasets.results,
    []
  )
  return datasets
}

export async function getPublishedAssets(
  accountId: string,
  chainIds: number[],
  cancelToken: CancelToken,
  ignoreState = false,
  page?: number,
  type?: string,
  accesType?: string
): Promise<PagedAssets> {
  if (!accountId) return

  const filters: FilterTerm[] = []

  filters.push(getFilterTerm('nft.state', [0, 4, 5]))
  filters.push(getFilterTerm('nft.owner', accountId.toLowerCase()))
  accesType !== undefined &&
    filters.push(getFilterTerm('services.type', accesType))
  type !== undefined && filters.push(getFilterTerm('metadata.type', type))

  const baseQueryParams = {
    chainIds,
    filters,
    sortOptions: {
      sortBy: SortTermOptions.Created,
      sortDirection: SortDirectionOptions.Descending
    },
    aggs: {
      totalOrders: {
        sum: {
          field: SortTermOptions.Orders
        }
      }
    },
    ignorePurgatory: true,
    ignoreState,
    esPaginationOptions: {
      from: (Number(page) - 1 || 0) * 9,
      size: 9
    }
  } as BaseQueryParams

  const query = generateBaseQuery(baseQueryParams)

  try {
    const result = await queryMetadata(query, cancelToken)
    return result
  } catch (error) {
    if (axios.isCancel(error)) {
      LoggerInstance.log(error.message)
    } else {
      LoggerInstance.error(error.message)
    }
  }
}

async function getTopPublishers(
  chainIds: number[],
  cancelToken: CancelToken,
  page?: number,
  type?: string,
  accesType?: string
): Promise<PagedAssets> {
  const filters: FilterTerm[] = []

  accesType !== undefined &&
    filters.push(getFilterTerm('services.type', accesType))
  type !== undefined && filters.push(getFilterTerm('metadata.type', type))

  const baseQueryParams = {
    chainIds,
    filters,
    sortOptions: {
      sortBy: SortTermOptions.Created,
      sortDirection: SortDirectionOptions.Descending
    },
    aggs: {
      topPublishers: {
        terms: {
          field: 'nft.owner.keyword',
          order: { totalSales: 'desc' }
        },
        aggs: {
          totalSales: {
            sum: {
              field: SortTermOptions.Orders
            }
          }
        }
      }
    },
    esPaginationOptions: {
      from: (Number(page) - 1 || 0) * 9,
      size: 9
    }
  } as BaseQueryParams

  const query = generateBaseQuery(baseQueryParams)

  try {
    const result = await queryMetadata(query, cancelToken)
    return result
  } catch (error) {
    if (axios.isCancel(error)) {
      LoggerInstance.log(error.message)
    } else {
      LoggerInstance.error(error.message)
    }
  }
}

export async function getTopAssetsPublishers(
  chainIds: number[],
  nrItems = 9
): Promise<UserSales[]> {
  const publishers: UserSales[] = []

  const result = await getTopPublishers(chainIds, null)
  const { topPublishers } = result.aggregations

  for (let i = 0; i < topPublishers.buckets.length; i++) {
    publishers.push({
      id: topPublishers.buckets[i].key,
      totalSales: parseInt(topPublishers.buckets[i].totalSales.value)
    })
  }

  publishers.sort((a, b) => b.totalSales - a.totalSales)

  return publishers.slice(0, nrItems)
}

export async function getUserSales(
  accountId: string,
  chainIds: number[]
): Promise<number> {
  try {
    const result = await getPublishedAssets(accountId, chainIds, null)
    const { totalOrders } = result.aggregations
    return totalOrders.value
  } catch (error) {
    LoggerInstance.error('Error getUserSales', error.message)
  }
}

export async function getDownloadAssets(
  dtList: string[],
  tokenOrders: OrdersData[],
  chainIds: number[],
  cancelToken: CancelToken,
  ignoreState = false
): Promise<DownloadedAsset[]> {
  const baseQueryparams = {
    chainIds,
    filters: [
      getFilterTerm('services.datatokenAddress', dtList),
      getFilterTerm('services.type', 'access')
    ],
    ignorePurgatory: true,
    ignoreState
  } as BaseQueryParams
  const query = generateBaseQuery(baseQueryparams)
  try {
    const result = await queryMetadata(query, cancelToken)
    const downloadedAssets: DownloadedAsset[] = result.results
      .map((asset) => {
        const order = tokenOrders.find(
          ({ datatoken }) =>
            datatoken?.address.toLowerCase() ===
            asset.services[0].datatokenAddress.toLowerCase()
        )

        return {
          asset,
          networkId: asset.chainId,
          dtSymbol: order?.datatoken?.symbol,
          timestamp: order?.createdTimestamp
        }
      })
      .sort((a, b) => b.timestamp - a.timestamp)

    return downloadedAssets
  } catch (error) {
    if (axios.isCancel(error)) {
      LoggerInstance.log(error.message)
    } else {
      LoggerInstance.error(error.message)
    }
  }
}

export async function getTagsList(
  chainIds: number[],
  cancelToken: CancelToken
): Promise<string[]> {
  const baseQueryParams = {
    chainIds,
    esPaginationOptions: { from: 0, size: 0 }
  } as BaseQueryParams
  const query = {
    ...generateBaseQuery(baseQueryParams),
    aggs: {
      tags: {
        terms: {
          field: 'metadata.tags.keyword',
          size: 1000
        }
      }
    }
  }

  try {
    const response: AxiosResponse<SearchResponse> = await axios.post(
      `${metadataCacheUri}/api/aquarius/assets/query`,
      { ...query },
      { cancelToken }
    )
    if (response?.status !== 200 || !response?.data) return
    const { buckets }: { buckets: AggregatedTag[] } =
      response.data.aggregations.tags

    const tagsList = buckets
      .filter((tag) => tag.key !== '')
      .map((tag) => tag.key)

    return tagsList.sort()
  } catch (error) {
    if (axios.isCancel(error)) {
      LoggerInstance.log(error.message)
    } else {
      LoggerInstance.error(error.message)
    }
  }
}