import {z} from 'zod'

export type ContractScopedCreatePobDto = {name?: (string | null) | undefined, itemId?: (string | null) | undefined, erpClassId?: (string | null) | undefined, category?: (string | null) | undefined, considerationType?: ('FIXED' | 'VARIABLE' | null) | undefined, recognitionPattern?: ('POINT_IN_TIME' | 'INPUT_BASED' | 'OUTPUT_BASED' | 'STRAIGHT_LINE' | 'RECOGNIZE_AS_CONSUMED' | 'RECOGNIZE_AS_BILLED' | 'SEAT_BASED_STRAIGHT_LINE' | null) | undefined, eventTypeId?: (string | null) | undefined, productId?: (string | null) | undefined, serviceStartDate: string, serviceEndDate: string, transactionPrice: string};

export type ContractScopedUpdatePobDto = {id: string, name?: (string | null) | undefined, itemId?: (string | null) | undefined, erpClassId?: (string | null) | undefined, category?: (string | null) | undefined, considerationType?: ('FIXED' | 'VARIABLE' | null) | undefined, recognitionPattern?: ('POINT_IN_TIME' | 'INPUT_BASED' | 'OUTPUT_BASED' | 'STRAIGHT_LINE' | 'RECOGNIZE_AS_CONSUMED' | 'RECOGNIZE_AS_BILLED' | 'SEAT_BASED_STRAIGHT_LINE' | null) | undefined, eventTypeId?: (string | null) | undefined, productId?: (string | null) | undefined, serviceStartDate?: string | undefined, serviceEndDate?: string | undefined, transactionPrice?: string | undefined};

export type BatchSavePobsForContractDto = {billingTermGroupId: string, toCreate: Array<ContractScopedCreatePobDto>, toUpdate: Array<ContractScopedUpdatePobDto>, toDelete: Array<string>};

export type CreateApiV3ContractsIdPerformanceObligationsArgs = {id: string, body: BatchSavePobsForContractDto};

export type CreateApiV3ContractsIdPerformanceObligationsOptions = {baseUrl?: string | undefined, customHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const integratorsApiError = z.object({code: z.number(), message: z.string(), details: z.object({}).optional()});

export const createApiV3ContractsIdPerformanceObligationsResponse = z.object({payload: z.object({errors: z.array(z.object({})).optional()}), success: z.boolean(), message: z.string(), error: integratorsApiError});

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
};

/**
 * Bulk save contract performance obligations
 * 
 * POST /v3/contracts/{id}/performance-obligations
 */
export const createApiV3ContractsIdPerformanceObligations = async (args: CreateApiV3ContractsIdPerformanceObligationsArgs, options?: CreateApiV3ContractsIdPerformanceObligationsOptions) => {
const {baseUrl = "https://integrators.prod.api.tabsplatform.com", fetch: fetchFn = fetch, customHeader} = options ?? {}

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

if (customHeader !== undefined) headers.set("Authorization", customHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/contracts/${encodeURIComponent(String(args.id))}/performance-obligations${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(createApiV3ContractsIdPerformanceObligationsResponse, await res.json())
};