import {z} from 'zod'

export type CreateApiV1CampaignsArgs = {body: {name: string, content_keywords: Array<string>, target_audience_criteria: Array<string>, product_id?: string | undefined, product_name?: string | undefined, target_regions?: Array<string> | undefined, target_audience?: string | undefined, target_job_titles?: Array<string> | undefined, target_platforms?: Array<string> | undefined, target_companies?: Array<string> | undefined, creator_regions?: Array<string> | undefined, search_country?: string | undefined, linkedin_content_types?: (Array<'image' | 'video' | 'carousel'>) | undefined, min_linkedin_followers?: number | undefined, max_linkedin_followers?: number | undefined, min_youtube_subscribers?: number | undefined, max_youtube_subscribers?: number | undefined, min_youtube_monthly_views?: number | undefined, max_youtube_monthly_views?: number | undefined} | {[key: string]: unknown}};

export type CreateApiV1CampaignsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV1CampaignsResponse = z.object({success: z.literal(true), data: z.record(z.string(), z.unknown()), meta: z.object({request_id: z.string(), trace_id: z.string().optional()}).and(z.record(z.string(), z.unknown()))});

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
};

/**
 * Create a campaign
 * 
 * POST /v1/campaigns
 */
export const createApiV1Campaigns = async (args: CreateApiV1CampaignsArgs, options?: CreateApiV1CampaignsOptions) => {
const {baseUrl = "https://api.toksta.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/campaigns${query.size > 0 ? `?${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(createApiV1CampaignsResponse, await res.json())
};