import {z} from 'zod'

export type HostedDeploymentUpgradeRequest = {image_tag: string, reason?: (string | null) | undefined};

export type CreateApiOnpremV1HostedDeploymentsDeploymentIdUpgradeArgs = {deployment_id: string, event_limit?: number | undefined, body: HostedDeploymentUpgradeRequest};

export type CreateApiOnpremV1HostedDeploymentsDeploymentIdUpgradeOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const hostedDeploymentRow = z.object({id: z.union([z.string(), z.string()]), signup_id: z.union([z.string(), z.string()]), license_id: z.union([z.string(), z.string()]), deployment_id: z.string().nullable().optional(), status: z.enum(["pending", "provisioning", "ready", "failed", "destroying", "destroyed", "upgrade_pending", "upgrading", "pause_pending", "pausing", "resume_after_pause", "paused", "pause_failed", "resume_pending", "resuming", "resume_failed"]), customer_slug: z.string(), cloud_provider: z.enum(["gcp", "aws"]).optional(), gcp_project_id: z.string().nullable().optional(), gcp_project_number: z.string().nullable().optional(), aws_account_id: z.string().nullable().optional(), aws_cluster_name: z.string().nullable().optional(), region: z.string().optional(), hostname: z.string().nullable().optional(), base_url: z.string().nullable().optional(), image_tag: z.string().nullable().optional(), desired_image_tag: z.string().nullable().optional(), egress_ip: z.string().nullable().optional(), release_channel: z.enum(["stable", "canary", "pinned"]).optional(), helm_overrides: z.record(z.string(), z.unknown()).nullable().optional(), sso_allowed_domains: z.array(z.string()).nullable().optional(), license_key_secret_id: z.string(), terraform_state_prefix: z.string().nullable().optional(), migrate_active: z.boolean().optional(), last_error: z.string().nullable().optional(), ready_at: z.string().nullable().optional(), upgraded_at: z.string().nullable().optional(), destroyed_at: z.string().nullable().optional(), auto_pause_exempt_until: z.string().nullable().optional(), created_at: z.string(), updated_at: z.string()});

export const hostedProvisioningEventRow = z.object({id: z.union([z.string(), z.string()]), hosted_deployment_id: z.union([z.string(), z.string()]), actor: z.string().nullable().optional(), event_type: z.string(), message: z.string().nullable().optional(), payload: z.record(z.string(), z.unknown()).optional(), created_at: z.string()});

export const hostedDeploymentDetail = z.object({deployment: hostedDeploymentRow, events: z.array(hostedProvisioningEventRow).optional()});

export const responseMeta = z.object({requestId: z.string().optional(), timestamp: z.string().optional(), durationMs: z.number().int().nullable().optional()});

export const successResponseHostedDeploymentDetail = z.object({success: z.literal(true), data: hostedDeploymentDetail, meta: responseMeta.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
};

/**
 * Roll a hosted on-prem deployment to a new image tag
 * 
 * POST /onprem/v1/hosted-deployments/{deployment_id}/upgrade
 */
export const createApiOnpremV1HostedDeploymentsDeploymentIdUpgrade = async (args: CreateApiOnpremV1HostedDeploymentsDeploymentIdUpgradeArgs, options: CreateApiOnpremV1HostedDeploymentsDeploymentIdUpgradeOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.event_limit != null) query.append("event_limit", String(args.event_limit))

const url = `${baseUrl.replace(/\/+$/, '')}/onprem/v1/hosted-deployments/${encodeURIComponent(String(args.deployment_id))}/upgrade${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(successResponseHostedDeploymentDetail, await res.json())
};