import {z} from 'zod'

export type SpendingType = 'all' | 'refund' | 'chargeback';

export type GetApiCreatorsCreatorUserUuidInsightsSpendingArgs = {'X-Fanvue-API-Version': string, creatorUserUuid: string, startDate?: string | undefined, endDate?: string | undefined, source?: Array<SpendingType> | undefined, cursor?: string | undefined, size?: number | undefined, fanUuid?: string | undefined};

export type GetApiCreatorsCreatorUserUuidInsightsSpendingOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const spendingSource = z.enum(["refund", "chargeback"]);

export const getApiCreatorsCreatorUserUuidInsightsSpendingResponse = z.object({data: z.array(z.object({date: z.string(), gross: z.number(), net: z.number(), total: z.number(), currency: z.string().nullable(), source: spendingSource, messageUuid: z.string().optional(), postUuid: z.string().optional(), user: z.object({uuid: z.string(), handle: z.string(), displayName: z.string(), nickname: z.string().nullable(), isTopSpender: z.boolean()}).nullable()})), nextCursor: z.string().nullable()});

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
};

/**
 * Get spending reversal data for a creator
 * 
 * GET /creators/{creatorUserUuid}/insights/spending
 */
export const getApiCreatorsCreatorUserUuidInsightsSpending = async (args: GetApiCreatorsCreatorUserUuidInsightsSpendingArgs, options?: GetApiCreatorsCreatorUserUuidInsightsSpendingOptions) => {
const {baseUrl = "https://api.fanvue.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args['X-Fanvue-API-Version'] != null) headers.set("X-Fanvue-API-Version", String(args['X-Fanvue-API-Version']))
if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
if (args.source != null) query.append("source", args.source.join(','))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.size != null) query.append("size", String(args.size))
if (args.fanUuid != null) query.append("fanUuid", String(args.fanUuid))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/creators/${encodeURIComponent(String(args.creatorUserUuid))}/insights/spending${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiCreatorsCreatorUserUuidInsightsSpendingResponse, await res.json())
};