import {z} from 'zod'

export type StructsColumnVO = {aggFunc?: string | undefined, displayName?: string | undefined, field?: string | undefined, groupFunc?: string | undefined, id?: string | undefined};

export type StructsSortEntry = {colId?: string | undefined, pivotFieldGroupId?: string | undefined, sort?: string | undefined};

export type StructsRequestAgGrid = {AllowUnstableOrder?: boolean | undefined, FieldTypes?: Array<string> | undefined, endRow?: number | undefined, filterModel?: {[key: string]: unknown} | undefined, groupKeys?: Array<unknown> | undefined, pivotCols?: Array<StructsColumnVO> | undefined, pivotMode?: boolean | undefined, rowGroupCols?: Array<StructsColumnVO> | undefined, sortModel?: Array<StructsSortEntry> | undefined, startRow?: number | undefined, ungroupedAggregations?: Array<StructsColumnVO> | undefined, valueCols?: Array<StructsColumnVO> | undefined};

export type CreateApiDatasetHandleCountRowsArgs = {handle: string, body: StructsRequestAgGrid};

export type CreateApiDatasetHandleCountRowsOptions = {baseUrl: string, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiDatasetHandleCountRowsResponse = z.number().int();

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get filtered data row count
 * 
 * POST /dataset/{handle}/count/rows
 */
export const createApiDatasetHandleCountRows = async (args: CreateApiDatasetHandleCountRowsArgs, options: CreateApiDatasetHandleCountRowsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (ApiKeyAuth !== undefined) headers.set("X-GIGASHEET-TOKEN", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/dataset/${encodeURIComponent(String(args.handle))}/count/rows${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiDatasetHandleCountRowsResponse, await res.json())
};