import {z} from 'zod'

export type SampleMolecularIdentifier = {molecularProfileId?: string | undefined, sampleId?: string | undefined};

export type MutationMultipleStudyFilter = {entrezGeneIds?: Array<number> | undefined, molecularProfileIds?: Array<string> | undefined, sampleMolecularIdentifiers?: Array<SampleMolecularIdentifier> | undefined};

export type CreateApiMutationsFetchArgs = {direction?: ('ASC' | 'DESC') | undefined, pageNumber?: number | undefined, pageSize?: number | undefined, projection?: ('DETAILED' | 'ID' | 'META' | 'SUMMARY') | undefined, sortBy?: ('aminoAcidChange' | 'center' | 'endPosition' | 'entrezGeneId' | 'keyword' | 'mutationStatus' | 'mutationType' | 'ncbiBuild' | 'normalAltCount' | 'normalRefCount' | 'proteinChange' | 'proteinPosEnd' | 'proteinPosStart' | 'referenceAllele' | 'refseqMrnaId' | 'startPosition' | 'tumorAltCount' | 'tumorRefCount' | 'validationStatus' | 'variantAllele' | 'variantType') | undefined, body: MutationMultipleStudyFilter};

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

export const alleleSpecificCopyNumber = z.object({ascnIntegerCopyNumber: z.number().int().optional(), ascnMethod: z.string().optional(), ccfExpectedCopies: z.number().optional(), ccfExpectedCopiesUpper: z.number().optional(), clonal: z.string().optional(), expectedAltCopies: z.number().int().optional(), minorCopyNumber: z.number().int().optional(), totalCopyNumber: z.number().int().optional()});

export const gene = z.object({entrezGeneId: z.number().int(), geneticEntityId: z.number().int(), hugoGeneSymbol: z.string(), type: z.string().optional()});

export const mutation = z.object({alleleSpecificCopyNumber: alleleSpecificCopyNumber.optional(), aminoAcidChange: z.string().optional(), center: z.string().optional(), chr: z.string().optional(), driverFilter: z.string().optional(), driverFilterAnnotation: z.string().optional(), driverTiersFilter: z.string().optional(), driverTiersFilterAnnotation: z.string().optional(), endPosition: z.number().int().optional(), entrezGeneId: z.number().int(), gene: gene.optional(), keyword: z.string().optional(), molecularProfileId: z.string(), mutationStatus: z.string().optional(), mutationType: z.string().optional(), namespaceColumns: z.record(z.string(), z.object({})).optional(), ncbiBuild: z.string().optional(), normalAltCount: z.number().int().optional(), normalRefCount: z.number().int().optional(), patientId: z.string(), proteinChange: z.string().optional(), proteinPosEnd: z.number().int().optional(), proteinPosStart: z.number().int().optional(), referenceAllele: z.string().optional(), refseqMrnaId: z.string().optional(), sampleId: z.string(), startPosition: z.number().int().optional(), studyId: z.string(), tumorAltCount: z.number().int().optional(), tumorRefCount: z.number().int().optional(), uniquePatientKey: z.string().optional(), uniqueSampleKey: z.string().optional(), validationStatus: z.string().optional(), variantAllele: z.string().optional(), variantType: z.string().optional()});

export const createApiMutationsFetchResponse = z.array(mutation);

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
};

/**
 * Fetch mutations in multiple molecular profiles by sample IDs
 * 
 * POST /mutations/fetch
 */
export const createApiMutationsFetch = async (args: CreateApiMutationsFetchArgs, options: CreateApiMutationsFetchOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.direction != null) query.append("direction", String(args.direction))
if (args.pageNumber != null) query.append("pageNumber", String(args.pageNumber))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.projection != null) query.append("projection", String(args.projection))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))

const url = `${baseUrl.replace(/\/+$/, '')}/mutations/fetch${query.size > 0 ? `?${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(createApiMutationsFetchResponse, await res.json())
};