import {z} from 'zod'

export type GetApiV1AccountsAccountIdBillingUsageArgs = {startTime: string, endTime: string, usageType?: ('USAGE_TYPE_UNSPECIFIED' | 'SERVERLESS' | 'DEDICATED_DEPLOYMENT' | 'TRAINING') | undefined, timezone?: string | undefined, groupBy?: Array<string> | undefined, filter?: string | undefined, account_id: string};

export type GetApiV1AccountsAccountIdBillingUsageOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const accountUsageServerlessUsage = z.object({modelName: z.string().optional(), promptTokens: z.string().optional(), completionTokens: z.string().optional(), cachedPromptTokens: z.string().optional(), uncachedPromptTokens: z.string().optional(), startTime: z.string().optional(), endTime: z.string().optional(), audioInputSeconds: z.number().optional(), usageType: z.string().optional(), apiKeyId: z.string().optional(), group: z.record(z.string(), z.string()).optional(), costNanoUsd: z.number().optional()});

export const accountUsageDedicatedDeploymentUsage = z.object({deploymentId: z.string().optional(), acceleratorType: z.string().optional(), acceleratorSeconds: z.string().optional(), startTime: z.string().optional(), endTime: z.string().optional(), baseModel: z.string().optional(), usageType: z.string().optional(), placement: z.string().optional(), group: z.record(z.string(), z.string()).optional()});

export const accountUsageTrainingUsage = z.object({jobId: z.string().optional(), trainingSessionId: z.string().optional(), jobType: z.string().optional(), usageType: z.string().optional(), tokens: z.string().optional(), acceleratorType: z.string().optional(), acceleratorSeconds: z.string().optional(), baseModel: z.string().optional(), startTime: z.string().optional(), endTime: z.string().optional(), group: z.record(z.string(), z.string()).optional(), annotations: z.record(z.string(), z.string()).optional()});

export const gatewayAccountUsage = z.object({serverlessCosts: z.array(accountUsageServerlessUsage).optional(), dedicatedCosts: z.array(accountUsageDedicatedDeploymentUsage).optional(), trainingCosts: z.array(accountUsageTrainingUsage).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
};

/**
 * Get Account Usage
 * 
 * GET /v1/accounts/{account_id}/billingUsage
 */
export const getApiV1AccountsAccountIdBillingUsage = async (args: GetApiV1AccountsAccountIdBillingUsageArgs, options: GetApiV1AccountsAccountIdBillingUsageOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.startTime != null) query.append("startTime", String(args.startTime))
if (args.endTime != null) query.append("endTime", String(args.endTime))
if (args.usageType != null) query.append("usageType", String(args.usageType))
if (args.timezone != null) query.append("timezone", String(args.timezone))
for (const item of args.groupBy ?? []) query.append("groupBy", String(item))
if (args.filter != null) query.append("filter", String(args.filter))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/accounts/${encodeURIComponent(String(args.account_id))}/billingUsage${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(gatewayAccountUsage, await res.json())
};