import {z} from 'zod'

export type GetApiApiV1CvmsCvmIdOperationsArgs = {cvm_id: string, cursor?: (string | null) | undefined, limit?: number | undefined, start_time?: (string | null) | undefined, end_time?: (string | null) | undefined, operation_types?: (Array<string> | null) | undefined, correlation_id?: (string | null) | undefined};

export type GetApiApiV1CvmsCvmIdOperationsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const cvmFailureHintResponse = z.object({stage: z.enum(["gpu_initialization", "env_decrypt", "pre_launch", "compose_start"]), code: z.enum(["gpu_firmware_init", "env_decrypt", "pre_launch_hang", "docker_cpu_range"]), summary: z.string(), suggested_action: z.string()});

export const errorDetail = z.object({field: z.string().nullable().optional(), value: z.unknown(), message: z.string().nullable().optional()});

export const errorLink = z.object({url: z.string(), label: z.string()});

export const cvmStructuredErrorResponse = z.object({error_code: z.string(), message: z.string(), details: z.array(errorDetail).nullable().optional(), suggestions: z.array(z.string()).nullable().optional(), links: z.array(errorLink).nullable().optional()});

export const operationEventDetail = z.object({event_type: z.string(), timestamp: z.string(), state: z.string()});

export const cvmOperationWarning = z.object({kind: z.string(), message: z.string().nullable().optional(), container_name: z.string().nullable().optional(), state: z.string().nullable().optional(), status: z.string().nullable().optional(), predates_operation: z.boolean().nullable().optional(), target_revision: z.string().nullable().optional(), log: z.string().nullable().optional()});

export const bootFailureEvidence = z.object({phase: z.string().nullable(), phase_duration_seconds: z.number().nullable().optional(), boot_error: z.string().nullable().optional(), serial_tail: z.string().nullable().optional()});

export const resourceSnapshot = z.object({instance_type: z.string(), vcpu: z.number().int(), memory_mb: z.number().int(), disk_size_gb: z.number().int()});

export const resourceChange = z.object({before: resourceSnapshot, after: resourceSnapshot});

export const cvmOperationResponse = z.object({correlation_id: z.string(), operation_type: z.string(), target_state: z.string(), triggered_by: z.string().nullable().optional(), triggered_by_username: z.string().nullable().optional(), started_at: z.string(), completed_at: z.string().nullable().optional(), duration_ms: z.number().int().nullable().optional(), status: z.string(), error_message: z.string().nullable().optional(), raw_error_message: z.string().nullable().optional(), failure_hint: cvmFailureHintResponse.nullable().optional(), structured_error: cvmStructuredErrorResponse.nullable().optional(), reason: z.string().nullable().optional(), sub_operations: z.array(z.string()), events: z.array(operationEventDetail), warnings: z.array(cvmOperationWarning).optional(), failure_evidence: bootFailureEvidence.nullable().optional(), instance_name: z.string(), compose_hash: z.string().nullable().optional(), resource_change: resourceChange.nullable().optional()});

export const paginatedCvmOperationsResponse = z.object({items: z.array(cvmOperationResponse), next_cursor: z.string().nullable().optional(), total: z.number().int()});

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
};

/**
 * List CVM operations
 * 
 * GET /api/v1/cvms/{cvm_id}/operations
 */
export const getApiApiV1CvmsCvmIdOperations = async (args: GetApiApiV1CvmsCvmIdOperationsArgs, options?: GetApiApiV1CvmsCvmIdOperationsOptions) => {
const {baseUrl = "https://cloud-api.phala.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.start_time != null) query.append("start_time", String(args.start_time))
if (args.end_time != null) query.append("end_time", String(args.end_time))
for (const item of args.operation_types ?? []) query.append("operation_types", String(item))
if (args.correlation_id != null) query.append("correlation_id", String(args.correlation_id))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/cvms/${encodeURIComponent(String(args.cvm_id))}/operations${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(paginatedCvmOperationsResponse, await res.json())
};