import {z} from 'zod'

export type MtdnaCurationFields = {mt_ps2_strength?: (string | null) | undefined, mt_ps3_evidence?: (string | null) | undefined, mt_ps4_proband_count?: (number | null) | undefined, mt_ps4_haplogroup_diversity_count?: (number | null) | undefined, mt_pm6_strength?: (string | null) | undefined, mt_pp1_maternal_member_count?: (number | null) | undefined, mt_pp1_homoplasmic_in_all?: (boolean | null) | undefined, mt_pp1_heteroplasmy_correlation?: (boolean | null) | undefined, mt_pp4_etc_deficiency?: (string | null) | undefined, mt_bs2_strength?: (string | null) | undefined, mt_bs3_evidence?: (string | null) | undefined, mt_bs4_evidence?: (string | null) | undefined, mt_bp5_evidence?: (string | null) | undefined};

export type CreateApiSessionsSessionIdVariantsVariantIdxMtdnaCurationPreviewArgs = {session_id: string, variant_idx: number, body: MtdnaCurationFields};

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

export const curationStateResponse = z.object({has_curated_flags: z.record(z.string(), z.boolean()), strength_enums: z.record(z.string(), z.string().nullable()), pp1_disqualified: z.boolean(), curated_contributed: z.boolean(), emitted_curated_criteria: 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
};

/**
 * Preview curation evaluation without saving
 * 
 * POST /sessions/{session_id}/variants/{variant_idx}/mtdna-curation/preview
 */
export const createApiSessionsSessionIdVariantsVariantIdxMtdnaCurationPreview = async (args: CreateApiSessionsSessionIdVariantsVariantIdxMtdnaCurationPreviewArgs, options: CreateApiSessionsSessionIdVariantsVariantIdxMtdnaCurationPreviewOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/sessions/${encodeURIComponent(String(args.session_id))}/variants/${encodeURIComponent(String(args.variant_idx))}/mtdna-curation/preview${query.size > 0 ? `?${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(curationStateResponse, await res.json())
};