import {z} from 'zod'

export type BudgetCheckRequest = {org_id: string, team_id?: string | undefined, agent_id?: string | undefined, workflow_id?: string | undefined, user_id?: string | undefined};

export type CreateApiApiV1BudgetsCheckArgs = {body: BudgetCheckRequest};

export type CreateApiApiV1BudgetsCheckOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const budgetCheckResponse = z.object({allowed: z.boolean().optional(), action: z.enum(["warn", "block", "downgrade"]).optional(), budget_id: z.string().optional(), budget_name: z.string().optional(), used_usd: z.number().optional(), limit_usd: z.number().optional(), percentage: z.number().optional(), message: 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
};

/**
 * Check budget before request
 * 
 * POST /api/v1/budgets/check
 */
export const createApiApiV1BudgetsCheck = async (args: CreateApiApiV1BudgetsCheckArgs, options?: CreateApiApiV1BudgetsCheckOptions) => {
const {baseUrl = "https://orchestrator.getaxonflow.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/budgets/check${query.size > 0 ? `?${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(budgetCheckResponse, await res.json())
};