import {z} from 'zod'

export type FleetDeploymentFileOp = 'merge-patch' | 'delete';

export type FleetDeploymentOperation = {file_op: FleetDeploymentFileOp, file_path: string, patch?: {[key: string]: unknown} | undefined};

export type FleetDeploymentConfigureV2Package = {apm_instrumentation?: string | undefined, name: string, version: string};

export type FleetDeploymentConfigureV2Attributes = {config_operations: Array<FleetDeploymentOperation>, dry_run?: boolean | undefined, filter_query: string, target_packages?: Array<FleetDeploymentConfigureV2Package> | undefined};

export type FleetDeploymentResourceType = 'deployment';

export type FleetDeploymentConfigureV2Create = {attributes: FleetDeploymentConfigureV2Attributes, type: FleetDeploymentResourceType};

export type FleetDeploymentConfigureV2CreateRequest = {data: FleetDeploymentConfigureV2Create};

export type CreateApiApiV2FleetDeploymentsConfigureArgs = {body: FleetDeploymentConfigureV2CreateRequest};

export type CreateApiApiV2FleetDeploymentsConfigureOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const fleetDeploymentConfigureV2DryRunResult = z.object({config_validated: z.boolean().optional(), non_upgradable_by_reason: z.record(z.string(), z.number().int()).optional(), non_upgradable_hosts: z.number().int().optional()});

export const fleetDeploymentConfigureV2DryRunAttributes = z.object({dry_run: fleetDeploymentConfigureV2DryRunResult.optional(), query: z.string().optional(), total_hosts: z.number().int().optional()});

export const fleetDeploymentResourceType = z.literal("deployment");

export const fleetDeploymentConfigureV2DryRun = z.object({attributes: fleetDeploymentConfigureV2DryRunAttributes, id: z.string(), type: fleetDeploymentResourceType});

export const fleetDeploymentConfigureV2DryRunResponse = z.object({data: fleetDeploymentConfigureV2DryRun});

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
};

/**
 * Create a configuration deployment
 * 
 * POST /api/v2/fleet/deployments/configure
 * 
 * Also accepts auth: AuthZ
 */
export const createApiApiV2FleetDeploymentsConfigure = async (args: CreateApiApiV2FleetDeploymentsConfigureArgs, options?: CreateApiApiV2FleetDeploymentsConfigureOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

if (apiKeyAuth !== undefined) headers.set("DD-API-KEY", apiKeyAuth)
if (appKeyAuth !== undefined) headers.set("DD-APPLICATION-KEY", appKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/fleet/deployments/configure${query.size > 0 ? `?${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(fleetDeploymentConfigureV2DryRunResponse, await res.json())
};