import {z} from 'zod'

export type BudgetAutomationConfiguration = {adSetObjectives?: ('conversions' | 'revenue' | 'visits' | 'videoViews') | undefined} | null;

export type BudgetAutomation = {budgetConfiguration?: BudgetAutomationConfiguration | undefined, enabled?: boolean | undefined};

export type CreateCampaignSpendLimit = {spendLimitAmount?: (number | null) | undefined, spendLimitRenewal?: ('undefined' | 'daily' | 'monthly' | 'lifetime') | undefined, spendLimitType: 'capped' | 'uncapped'};

export type CreateCampaign = {advertiserId: string | null, budgetAutomation?: BudgetAutomation | undefined, goal: 'Unspecified' | 'Acquisition' | 'Retention', name: string | null, spendLimit: CreateCampaignSpendLimit};

export type CreateCampaignResource = {attributes?: CreateCampaign | undefined, type?: string | undefined};

export type CreateCampaignRequest = {data?: CreateCampaignResource | undefined};

export type CreateApi202601MarketingSolutionsCampaignsArgs = {body: CreateCampaignRequest};

export type CreateApi202601MarketingSolutionsCampaignsOptions = {baseUrl?: string | undefined, oauth?: string | undefined, fetch?: typeof fetch | undefined};

export const automatedBudgetConfigurationV23Q1 = z.object({adSetOptimizationObjective: z.enum(["conversions", "revenue", "visits", "videoViews"]).nullable().optional()}).nullable();

export const campaignBudgetAutomationV23Q1 = z.object({automatedBudgetConfiguration: automatedBudgetConfigurationV23Q1.optional(), enabled: z.boolean().nullable().optional()}).nullable();

export const nillableDecimal = z.object({value: z.number().nullable().optional()}).nullable();

export const campaignSpendLimitV23Q1 = z.object({spendLimitAmount: nillableDecimal.optional(), spendLimitRenewal: z.enum(["undefined", "daily", "monthly", "lifetime"]).nullable().optional(), spendLimitType: z.enum(["capped", "uncapped"]).nullable().optional()}).nullable();

export const campaignV23Q1 = z.object({advertiserId: z.string().nullable().optional(), budgetAutomation: campaignBudgetAutomationV23Q1.optional(), goal: z.enum(["unspecified", "acquisition", "retention"]).nullable().optional(), id: z.string().nullable().optional(), name: z.string().nullable().optional(), spendLimit: campaignSpendLimitV23Q1.optional()}).nullable();

export const campaignV23Q1Resource = z.object({attributes: campaignV23Q1.optional(), id: z.string().nullable().optional(), type: z.string().nullable().optional()}).nullable();

export const commonProblem = z.object({code: z.string().nullable().optional(), detail: z.string().nullable().optional(), instance: z.string().nullable().optional(), source: z.record(z.string(), z.string()).nullable().optional(), stackTrace: z.string().nullable().optional(), title: z.string().nullable().optional(), traceId: z.string().nullable().optional(), traceIdentifier: z.string().nullable().optional(), type: z.enum(["unknown", "access-control", "authentication", "authorization", "availability", "deprecation", "quota", "validation"]).nullable().optional()});

export const campaignV23Q1Response = z.object({data: campaignV23Q1Resource.optional(), errors: z.array(commonProblem).nullable().optional(), warnings: z.array(commonProblem).nullable().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
};

/**
 * /2026-01/marketing-solutions/campaigns
 * 
 * POST /2026-01/marketing-solutions/campaigns
 */
export const createApi202601MarketingSolutionsCampaigns = async (args: CreateApi202601MarketingSolutionsCampaignsArgs, options?: CreateApi202601MarketingSolutionsCampaignsOptions) => {
const {baseUrl = "https://api.criteo.com", fetch: fetchFn = fetch, oauth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/2026-01/marketing-solutions/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(campaignV23Q1Response, await res.json())
};