import {z} from 'zod'

export type FleetDeploymentPackage = {name: string, version: string};

export type FleetDeploymentPackageUpgradeV2Attributes = {filter_query: string, target_packages: Array<FleetDeploymentPackage>};

export type FleetDeploymentResourceType = 'deployment';

export type FleetDeploymentPackageUpgradeV2Create = {attributes: FleetDeploymentPackageUpgradeV2Attributes, type: FleetDeploymentResourceType};

export type FleetDeploymentPackageUpgradeV2CreateRequest = {data: FleetDeploymentPackageUpgradeV2Create};

export type CreateApiApiV2FleetDeploymentsUpgradeArgs = {body: FleetDeploymentPackageUpgradeV2CreateRequest};

export type CreateApiApiV2FleetDeploymentsUpgradeOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const fleetDeploymentFileOp = z.enum(["merge-patch", "delete"]);

export const fleetDeploymentOperation = z.object({file_op: fleetDeploymentFileOp, file_path: z.string(), patch: z.record(z.string(), z.unknown()).optional()});

export const fleetDeploymentV2Attributes = z.object({author: z.string().optional(), config_operations: z.array(fleetDeploymentOperation).optional(), duration_seconds: z.number().int().optional(), error_summary: z.string().optional(), estimated_finished_at: z.number().int().optional(), finished_at: z.number().int().optional(), is_scheduled: z.boolean().optional(), query: z.string().optional(), schedule_id: z.string().optional(), started_at: z.number().int().optional(), status: z.string().optional(), target_versions: z.array(z.string()).optional(), total_hosts: z.number().int().optional(), update_type: z.string().optional()});

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

export const fleetDeploymentV2 = z.object({attributes: fleetDeploymentV2Attributes, id: z.string(), type: fleetDeploymentResourceType});

export const fleetDeploymentV2CreateResponse = z.object({data: fleetDeploymentV2});

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
};

/**
 * Upgrade hosts
 * 
 * POST /api/v2/fleet/deployments/upgrade
 * 
 * Also accepts auth: AuthZ
 */
export const createApiApiV2FleetDeploymentsUpgrade = async (args: CreateApiApiV2FleetDeploymentsUpgradeArgs, options?: CreateApiApiV2FleetDeploymentsUpgradeOptions) => {
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/upgrade${query.size > 0 ? `?${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(fleetDeploymentV2CreateResponse, await res.json())
};