import {z} from 'zod'

export type SeparateVcfMemberSpec = {vcf_file_path: string, family_role: string, affected_status?: (string | null) | undefined, case_label?: (string | null) | undefined, sex?: (string | null) | undefined, staging_session_id?: (string | null) | undefined, clinical_profile?: ({[key: string]: unknown} | null) | undefined};

export type CreateFamilyFromSeparateVcfsRequest = {family_name?: (string | null) | undefined, family_notes?: (string | null) | undefined, inheritance_hypothesis?: (string | null) | undefined, members: Array<SeparateVcfMemberSpec>, filtering_preset?: string | undefined};

export type CreateApiApiV1FamiliesFromSeparateVcfsArgs = {body: CreateFamilyFromSeparateVcfsRequest};

export type CreateApiApiV1FamiliesFromSeparateVcfsOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const familyPublicResponse = z.object({id: z.string(), created_by: z.string(), organization_id: z.string(), name: z.string().nullable().optional(), notes: z.string().nullable().optional(), inheritance_hypothesis: z.string().nullable().optional(), created_at: z.string().nullable().optional(), updated_at: z.string().nullable().optional()});

export const familyFromJointVcfResponse = z.object({family: familyPublicResponse, session_ids: z.array(z.string())});

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
};

/**
 * Create family + sessions from individual single-sample VCFs (atomic)
 * 
 * POST /api/v1/families/from-separate-vcfs
 */
export const createApiApiV1FamiliesFromSeparateVcfs = async (args: CreateApiApiV1FamiliesFromSeparateVcfsArgs, options: CreateApiApiV1FamiliesFromSeparateVcfsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/families/from-separate-vcfs${query.size > 0 ? `?${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(familyFromJointVcfResponse, await res.json())
};