import {z} from 'zod'

export type UsageFilterMode = 'INCLUDE' | 'EXCLUDE';

export type UsageFilter = {dimensionCode: string, value: string, mode: UsageFilterMode};

export type ContractRequest = {version?: number | undefined, customFields?: {[key: string]: unknown} | undefined, accountId: string, name: string, code?: string | undefined, description?: string | undefined, purchaseOrderNumber?: string | undefined, applyContractPeriodLimits?: boolean | undefined, usageFilters?: Array<UsageFilter> | undefined, billGroupingKeyId?: string | undefined, startDate: string, endDate: string};

export type CreateApiOrganizationsOrgIdContractsArgs = {orgId: string, body: ContractRequest};

export type CreateApiOrganizationsOrgIdContractsOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const usageFilterMode = z.enum(["INCLUDE", "EXCLUDE"]);

export const usageFilter = z.object({dimensionCode: z.string().min(1), value: z.string().min(1), mode: usageFilterMode});

export const contractResponse = z.object({id: z.string(), version: z.number().int().optional(), customFields: z.record(z.string(), z.unknown()).optional(), accountId: z.string().optional(), name: z.string().optional(), code: z.string().optional(), description: z.string().optional(), purchaseOrderNumber: z.string().optional(), applyContractPeriodLimits: z.boolean().optional(), usageFilters: z.array(usageFilter).optional(), billGroupingKeyId: z.string().optional(), startDate: z.string().optional(), endDate: z.string().optional(), dtCreated: z.string().optional(), dtLastModified: z.string().optional(), createdBy: z.string().optional(), lastModifiedBy: z.string().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
};

/**
 * Create Contract
 * 
 * POST /organizations/{orgId}/contracts
 */
export const createApiOrganizationsOrgIdContracts = async (args: CreateApiOrganizationsOrgIdContractsArgs, options?: CreateApiOrganizationsOrgIdContractsOptions) => {
const {baseUrl = "https://api.m3ter.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/organizations/${encodeURIComponent(String(args.orgId))}/contracts${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(contractResponse, await res.json())
};