import {z} from 'zod'

export type GetApiV2PublishersReportsArgs = {group?: Array<unknown> | undefined, kpi?: Array<unknown> | undefined, camp_ids?: Array<unknown> | undefined, start?: string | undefined, end?: string | undefined};

export type GetApiV2PublishersReportsOptions = {baseUrl?: string | undefined, APIKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV2PublishersReportsResponse = z.object({records: z.array(z.object({campaign_name: z.string().optional(), campaign_id: z.number().int().optional(), currency: z.string().optional(), clicks: z.number().int().optional(), approvedConversions: z.number().int().optional(), payout: z.number().optional(), revenue: z.number().optional(), profit: z.number().optional()})).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
};

/**
 * Performance Report
 * 
 * GET /v2/publishers/reports
 */
export const getApiV2PublishersReports = async (args: GetApiV2PublishersReportsArgs, options?: GetApiV2PublishersReportsOptions) => {
const {baseUrl = "https://api.trackier.com", fetch: fetchFn = fetch, APIKey} = options ?? {}

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

for (const item of args.group ?? []) query.append("group", String(item))
for (const item of args.kpi ?? []) query.append("kpi", String(item))
for (const item of args.camp_ids ?? []) query.append("camp_ids", String(item))
if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
if (APIKey !== undefined) headers.set("X-Api-Key", APIKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/publishers/reports${query.size > 0 ? `?${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(getApiV2PublishersReportsResponse, await res.json())
};