import {z} from 'zod'

export type GetApiV1BudgetProgramsIdArgs = {id: string};

export type GetApiV1BudgetProgramsIdOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const periodType = z.enum(["WEEKLY", "MONTHLY", "QUARTERLY", "YEARLY", "ONE_TIME"]);

export const money = z.object({amount: z.number().int(), currency: z.string().nullable().optional()});

export const limitType = z.enum(["HARD", "SOFT"]);

export const spendType = z.enum(["BUDGET_PROVISIONED_CARDS_ONLY", "NON_BUDGET_PROVISIONED_CARDS_ALLOWED"]);

export const budgetLimitVisibilityType = z.enum(["SHARED", "PRIVATE"]);

export const budgetBlueprint = z.object({id: z.string(), name: z.string(), description: z.string().nullable().optional(), parent_budget_id: z.string(), owner_user_ids: z.array(z.string()), period_type: periodType, start_date: z.string().nullable().optional(), end_date: z.string().nullable().optional(), limit: money.nullable().optional(), limit_type: limitType, spend_type: spendType, limit_visibility: budgetLimitVisibilityType});

export const employmentStatus = z.enum(["EMPLOYMENT_STATUS_ACTIVE", "EMPLOYMENT_STATUS_INACTIVE", "EMPLOYMENT_STATUS_PENDING"]);

export const employmentType = z.enum(["EMPLOYMENT_TYPE_FULL_TIME", "EMPLOYMENT_TYPE_PART_TIME", "EMPLOYMENT_TYPE_CONTRACTOR", "EMPLOYMENT_TYPE_INTERN", "EMPLOYMENT_TYPE_FREELANCE"]);

export const employeeFilter = z.object({employment_status: employmentStatus.nullable().optional(), employment_type: employmentType.nullable().optional()});

export const budgetProgramStatus = z.enum(["BUDGET_PROGRAM_STATUS_ACTIVE", "BUDGET_PROGRAM_STATUS_INACTIVE", "BUDGET_PROGRAM_STATUS_DELETED"]);

export const budgetProgram = z.object({id: z.string(), name: z.string(), description: z.string().nullable().optional(), budget_blueprints: z.array(budgetBlueprint), existing_budget_ids: z.array(z.string()).nullable().optional(), employee_filter: employeeFilter.nullable().optional(), budget_program_status: budgetProgramStatus, creator_user_id: z.string().nullable().optional(), created_at: z.string(), updated_at: z.string()});

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
};

/**
 * 
 * Get Budget Program
 * 
 * 
 * GET /v1/budget_programs/{id}
 */
export const getApiV1BudgetProgramsId = async (args: GetApiV1BudgetProgramsIdArgs, options?: GetApiV1BudgetProgramsIdOptions) => {
const {baseUrl = "https://api.brex.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/budget_programs/${encodeURIComponent(String(args.id))}${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(budgetProgram, await res.json())
};