import {z} from 'zod'

export type GetApiV2BudgetsBudgetIdArgs = {budget_id: string};

export type GetApiV2BudgetsBudgetIdOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const workspaceBudgetScope = z.object({});

export const projectBudgetScopeRestResponse = z.object({projectId: z.string().optional()});

export const identityBudgetScopeRestResponse = z.object({identityExternalId: z.string().optional()});

export const apiKeyBudgetScopeRestResponse = z.object({apiKeyId: z.string().optional()});

export const providerBudgetScope = z.object({provider: z.string().optional()});

export const modelBudgetScopeRestResponse = z.object({modelId: z.string()});

export const budgetScopeRestResponse = z.object({workspace: workspaceBudgetScope.optional(), project: projectBudgetScopeRestResponse.optional(), identity: identityBudgetScopeRestResponse.optional(), apiKey: apiKeyBudgetScopeRestResponse.optional(), provider: providerBudgetScope.optional(), model: modelBudgetScopeRestResponse.optional()});

export const budgetMatch = z.object({cel: z.string().optional()});

export const budgetPeriod = z.enum(["BUDGET_PERIOD_DAILY", "BUDGET_PERIOD_WEEKLY", "BUDGET_PERIOD_MONTHLY", "BUDGET_PERIOD_YEARLY", "BUDGET_PERIOD_ONE_TIME"]);

export const budgetLimitsRestResponse = z.object({period: budgetPeriod.optional(), amount: z.number().optional(), tokenLimit: z.number().optional()});

export const rateLimitRestResponse = z.object({requestsPerMinute: z.number().int().optional()});

export const budgetUsage = z.object({amount: z.number().optional(), tokens: z.number().optional(), requests: z.number().int().optional()});

export const budgetAlertDimension = z.enum(["BUDGET_ALERT_DIMENSION_COST", "BUDGET_ALERT_DIMENSION_TOKENS"]);

export const budgetAlertRestResponse = z.object({id: z.string().optional(), thresholdPercent: z.number().int(), notifierIds: z.array(z.string()), dimension: budgetAlertDimension.optional()});

export const budgetRestResponse = z.object({budgetId: z.string(), scope: budgetScopeRestResponse.optional(), match: budgetMatch.optional(), limits: budgetLimitsRestResponse, rateLimit: rateLimitRestResponse.optional(), isActive: z.boolean().optional(), expiresAt: z.string().optional(), createdAt: z.string(), updatedAt: z.string(), usage: budgetUsage.optional(), alerts: z.array(budgetAlertRestResponse).optional()});

export const getBudgetResponse = z.object({budget: budgetRestResponse});

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
};

/**
 * Retrieve a budget
 * 
 * GET /v2/budgets/{budget_id}
 */
export const getApiV2BudgetsBudgetId = async (args: GetApiV2BudgetsBudgetIdArgs, options?: GetApiV2BudgetsBudgetIdOptions) => {
const {baseUrl = "https://my.orq.ai", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2/budgets/${encodeURIComponent(String(args.budget_id))}${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(getBudgetResponse, await res.json())
};