import {z} from 'zod'

export type AudienceOverlapInput = {platform: string, creators: Array<string>};

export type CreateApiPublicV1CreatorsAudienceOverlapArgs = {body: AudienceOverlapInput};

export type CreateApiPublicV1CreatorsAudienceOverlapOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const reportInfo = z.object({total_followers: z.number().int().nullable().optional(), total_unique_followers: z.number().int().nullable().optional()});

export const overlapUserStats = z.object({post_type: z.string().nullable().optional(), engagements: z.number().int().nullable().optional()});

export const overlapUser = z.object({user_id: z.string().nullable().optional(), username: z.string().nullable().optional(), followers: z.number().int().nullable().optional(), fullname: z.string().nullable().optional(), url: z.string().nullable().optional(), is_verified: z.boolean().nullable().optional(), engagements: z.number().int().nullable().optional(), stats: z.array(overlapUserStats).optional()});

export const overlapDataItem = z.object({user: overlapUser, user_id: z.string(), username: z.string(), followers: z.number().int(), unique_percentage: z.number(), overlapping_percentage: z.number()});

export const audienceOverlapResponse = z.object({credits_cost: z.number().nullable().optional(), credits_left: z.number().nullable().optional(), status: z.boolean().nullable().optional(), success: z.boolean().nullable().optional(), basics: reportInfo.nullable().optional(), details: z.array(overlapDataItem).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 Overlap
 * 
 * POST /public/v1/creators/audience/overlap/
 */
export const createApiPublicV1CreatorsAudienceOverlap = async (args: CreateApiPublicV1CreatorsAudienceOverlapArgs, options?: CreateApiPublicV1CreatorsAudienceOverlapOptions) => {
const {baseUrl = "https://api-dashboard.influencers.club", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/public/v1/creators/audience/overlap/${query.size > 0 ? `?${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(audienceOverlapResponse, await res.json())
};