import {z} from 'zod'

export type CreateApiPublicV1SequencesSequenceIdEnrollmentsEligibilityArgs = {sequenceId?: (number | null) | undefined, body: {personRowIds: Array<string>}};

export type CreateApiPublicV1SequencesSequenceIdEnrollmentsEligibilityOptions = {baseUrl?: string | undefined, userApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const publicSequenceBulkEligibilityResult = z.object({results: z.array(z.object({personRowId: z.string(), eligible: z.boolean(), code: z.enum(["ALREADY_ENROLLED", "ACTIVE_SEQUENCE_CONFLICT", "MULTIPLE_SEQUENCES_DISABLED", "MAX_CONCURRENT_SEQUENCES_REACHED", "INVALID_REPLACE_INSTANCE"]).optional(), activeCount: z.number(), maxAllowed: z.number(), activeInstances: z.array(z.object({instanceId: z.number(), restricted: z.boolean(), sequenceId: z.number().optional(), sequenceName: z.string().optional()}))}))});

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 bulk enrollment eligibility
 * 
 * POST /public/v1/sequences/{sequenceId}/enrollments/eligibility
 */
export const createApiPublicV1SequencesSequenceIdEnrollmentsEligibility = async (args: CreateApiPublicV1SequencesSequenceIdEnrollmentsEligibilityArgs, options?: CreateApiPublicV1SequencesSequenceIdEnrollmentsEligibilityOptions) => {
const {baseUrl = "https://prod-api.getfrontline.ai", fetch: fetchFn = fetch, userApiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/public/v1/sequences/${encodeURIComponent(String(args.sequenceId))}/enrollments/eligibility${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(publicSequenceBulkEligibilityResult, await res.json())
};