import {z} from 'zod'

export type AudienceSegmentsGroup = {operator?: ('AND' | 'OR') | undefined, segments?: (Array<{audience_segment_id?: number | undefined, user_cpm?: number | undefined}>) | undefined};

export type CreateApiAudienceSegmentsCpmEstimateArgs = {extended?: boolean | undefined, body: {currency_code: string, include?: Array<AudienceSegmentsGroup> | undefined, exclude?: AudienceSegmentsGroup | undefined}};

export type CreateApiAudienceSegmentsCpmEstimateOptions = {baseUrl?: string | undefined, Auth0?: string | undefined, fetch?: typeof fetch | undefined};

export const audienceSegmentShort = z.object({id: z.number().int().optional(), name: z.string().optional(), full_path: z.string().optional(), cpm: z.number().optional(), user_cpm: z.number().nullable().optional(), uniques: z.number().int().nullable().optional(), code: z.string().nullable().optional()});

export const singleMetadata = z.object({status: z.string()});

export const createApiAudienceSegmentsCpmEstimateResponse = z.object({data: z.object({cpm: z.object({currency_code: z.string().min(3).max(3).optional(), includes_taxed_segments: z.boolean().optional(), audience_cpm_min: z.number().gte(0).lte(999999999999.99), audience_cpm_max: z.number().gte(0).lte(999999999999.99)}).optional(), segments: z.array(audienceSegmentShort).optional()}).optional(), meta: singleMetadata.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
};

/**
 * Audience Segments CPM Estimate
 * 
 * POST /audience_segments/cpm_estimate
 */
export const createApiAudienceSegmentsCpmEstimate = async (args: CreateApiAudienceSegmentsCpmEstimateArgs, options?: CreateApiAudienceSegmentsCpmEstimateOptions) => {
const {baseUrl = "https://api.mediamath.com/api/v3.0", fetch: fetchFn = fetch, Auth0} = options ?? {}

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

if (args.extended != null) query.append("extended", String(args.extended))
if (Auth0 !== undefined) headers.set('authorization', `Bearer ${Auth0}`)

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