import {z} from 'zod'

export type GetApiOrganizationsOrgIdCommitmentsSearchArgs = {orgId: string, searchQuery?: string | undefined, fromDocument?: number | undefined, pageSize?: number | undefined, operator?: ('AND' | 'OR') | undefined, sortBy?: string | undefined, sortOrder?: ('ASC' | 'DESC') | undefined};

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

export const commitmentFee = z.object({date: z.string(), amount: z.number().gt(0), servicePeriodStartDate: z.string(), servicePeriodEndDate: z.string()});

export const childBillingMode = z.enum(["PARENT_SUMMARY", "PARENT_BREAKDOWN", "CHILD"]);

export const commitmentLineItemType = z.enum(["STANDING_CHARGE", "USAGE", "MINIMUM_SPEND", "COUNTER_RUNNING_TOTAL_CHARGE", "COUNTER_ADJUSTMENT_DEBIT"]);

export const commitmentResponse = z.object({id: z.string(), version: z.number().int().optional(), accountId: z.string().optional(), billingPlanId: z.string().optional(), productIds: z.array(z.string()).optional(), startDate: z.string().optional(), endDate: z.string().optional(), currency: z.string().optional(), amount: z.number().optional(), amountPrePaid: z.number().optional(), amountFirstBill: z.number().optional(), amountSpent: z.number().optional(), overageSurchargePercent: z.number().optional(), separateOverageUsage: z.boolean().optional(), billingInterval: z.number().int().optional(), billingOffset: z.number().int().optional(), commitmentFeeDescription: z.string().optional(), commitmentUsageDescription: z.string().optional(), overageDescription: z.string().optional(), commitmentFeeBillInAdvance: z.boolean().optional(), billEpoch: z.string().optional(), contractId: z.string().optional(), accountingProductId: z.string().optional(), feesAccountingProductId: z.string().optional(), drawdownsAccountingProductId: z.string().optional(), feeDates: z.array(commitmentFee).optional(), childBillingMode: childBillingMode.optional(), lineItemTypes: z.array(commitmentLineItemType).optional(), dtCreated: z.string().optional(), dtLastModified: z.string().optional(), createdBy: z.string().optional(), lastModifiedBy: z.string().optional()});

export const paginatedCommitmentResponseData = z.object({data: z.array(commitmentResponse).optional(), nextToken: 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
};

/**
 * Search Commitments
 * 
 * GET /organizations/{orgId}/commitments/search
 */
export const getApiOrganizationsOrgIdCommitmentsSearch = async (args: GetApiOrganizationsOrgIdCommitmentsSearchArgs, options?: GetApiOrganizationsOrgIdCommitmentsSearchOptions) => {
const {baseUrl = "https://api.m3ter.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args.searchQuery != null) query.append("searchQuery", String(args.searchQuery))
if (args.fromDocument != null) query.append("fromDocument", String(args.fromDocument))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.operator != null) query.append("operator", String(args.operator))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.sortOrder != null) query.append("sortOrder", String(args.sortOrder))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

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