import {z} from 'zod'

export type GetApiV1AccountOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const costBreakdown = z.object({amountDueMicros: z.number().int().gte(0).optional(), baseMicros: z.number().int().gte(0).optional(), cpuMicros: z.number().int().gte(0), creditAppliedMicros: z.number().int().gte(0).optional(), diskMicros: z.number().int().gte(0).optional(), egressMicros: z.number().int().gte(0).optional(), execMicros: z.number().int().gte(0), freeCreditMicros: z.number().int().gte(0).optional(), memoryMicros: z.number().int().gte(0), monthlyFeeMicros: z.number().int().gte(0).optional(), totalMicros: z.number().int().gte(0), volumeDiscountMicros: z.number().int().gte(0).optional()});

export const usageResponse = z.object({consumedFrom: z.string().optional(), consumedTo: z.string().optional(), cpuHours: z.number(), diskGbHours: z.number(), egressGb: z.number(), from: z.string(), machineCount: z.number().int().gte(0), memoryGbHours: z.number(), tenantId: z.string(), to: z.string(), totalUptimeSeconds: z.number().int().gte(0)});

export const planInfo = z.object({allowAlwaysOn: z.boolean(), budgetPolicy: z.string(), createdAt: z.string(), freeCreditMicros: z.number().int().gte(0).optional(), id: z.string(), isDefault: z.boolean(), maxConcurrentMachines: z.number().int().gte(0), maxCpus: z.number().int().gte(0), maxDiskGb: z.number().int().gte(0).nullable().optional(), maxEgressGb: z.number().int().gte(0).nullable().optional(), maxGroups: z.number().int().gte(0), maxMachines: z.number().int().gte(0), maxMemoryMb: z.number().int().gte(0), monthlyBudgetMicros: z.number().int().gte(0).nullable().optional(), monthlyFeeMicros: z.number().int().gte(0), name: z.string(), rateBaseHourMicros: z.number().int().gte(0).optional(), rateCpuHourMicros: z.number().int().gte(0), rateDiskGbHourMicros: z.number().int().gte(0).optional(), rateEgressGbMicros: z.number().int().gte(0).optional(), rateExecMicros: z.number().int().gte(0), rateMemoryGbHourMicros: z.number().int().gte(0), selfServe: z.boolean().optional()});

export const accountInfo = z.object({budgetRemainingMicros: z.number().int().gte(0).nullable().optional(), effectiveMaxCpus: z.number().int().gte(0), effectiveMaxDiskGb: z.number().int().gte(0), effectiveMaxMachines: z.number().int().gte(0), effectiveMaxMemoryMb: z.number().int().gte(0), lowBalanceThresholdMicros: z.number().int().gte(0).optional(), monthlyBudgetMicros: z.number().int().gte(0).nullable().optional(), pendingPlanId: z.string().nullable().optional(), periodCost: costBreakdown, periodUsage: usageResponse, plan: planInfo.nullable().optional(), prepaidCreditMicros: z.number().int().gte(0).optional(), status: z.string(), tenantId: 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 the caller's account.
 * 
 * GET /v1/account
 */
export const getApiV1Account = async (options?: GetApiV1AccountOptions) => {
const {baseUrl = "https://api.smolmachines.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

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

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