import {z} from 'zod'

export type ProxyRequest = {mode?: ('none' | 'managed' | 'custom') | undefined, session?: ('sticky' | 'rotating' | null) | undefined, scheme?: ('http' | 'https' | 'socks5' | null) | undefined, host?: (string | null) | undefined, port?: (number | null) | undefined, username?: (string | null) | undefined, password?: (string | null) | undefined};

export type ProvisionRequest = {display_name: string, os_type?: ('linux' | 'windows') | undefined, desktop_enabled?: boolean | undefined, cpu_cores?: (number | null) | undefined, memory_gb?: (number | null) | undefined, storage_gb?: (number | null) | undefined, restore_from_snapshot?: (boolean | null) | undefined, ttl_minutes?: (number | null) | undefined, metadata?: {[key: string]: string} | undefined, proxy?: ProxyRequest | undefined};

export type CreateApiV1MachinesArgs = {'Idempotency-Key'?: string | undefined, body: ProvisionRequest};

export type CreateApiV1MachinesOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const machineProxyView = z.object({mode: z.enum(["none", "managed", "custom"]).optional(), scheme: z.string().nullable().optional(), host: z.string().nullable().optional(), port: z.number().int().nullable().optional(), status: z.enum(["pending", "applying", "active", "failed", "released"]).nullable().optional(), authenticated: z.boolean().nullable().optional(), username_masked: z.string().nullable().optional(), credential_fingerprint: z.string().nullable().optional(), egress_ip: z.string().nullable().optional(), verified_at: z.string().nullable().optional(), error: z.string().nullable().optional()});

export const machineCapability = z.enum(["screenshot", "mouse", "keyboard", "scroll", "terminal", "files", "browser"]);

export const machineBilling = z.object({billed_to: z.literal("api_wallet").optional(), running_credits_per_hour: z.number().int().optional(), stopped_credits_per_hour: z.number().int().optional(), accrued_cents: z.number().int().optional(), projected_daily_cents: z.number().int().optional(), since: z.string().nullable().optional(), total_credits_billed: z.number().int().optional(), suspended_for_billing: z.boolean().optional(), auto_destroy_at: z.string().nullable().optional(), ttl_minutes: z.number().int().nullable().optional()});

export const machineRecord = z.object({proxy: machineProxyView.optional(), id: z.string(), display_name: z.string(), kind: z.enum(["managed", "external"]), capabilities: z.array(machineCapability), protocol_version: z.string().nullable(), connection_status: z.enum(["connected", "disconnected", "stale", "revoked"]).nullable(), last_seen_at: z.string().nullable(), status: z.enum(["creating", "provisioning", "starting", "running", "stopping", "stopped", "restarting", "suspended", "deleting", "terminated", "error"]), os_type: z.enum(["linux", "windows"]).optional(), desktop_enabled: z.boolean().optional(), cpu_cores: z.number().int().optional(), memory_gb: z.number().optional(), storage_gb: z.number().int().optional(), public_ip: z.string().nullable().optional(), is_test: z.boolean().optional(), created_at: z.string().nullable().optional(), started_at: z.string().nullable().optional(), auto_destroy_at: z.string().nullable().optional(), ttl_minutes: z.number().int().nullable().optional(), metadata: z.record(z.string(), z.string()).optional(), billing: machineBilling.optional()});

export const connectionDetailsRedacted = z.object({public_ip: z.string().nullable().optional(), ssh_port: z.number().int().nullable().optional(), ssh_username: z.string().nullable().optional(), vnc_port: z.number().int().nullable().optional(), websocket_port: z.number().int().nullable().optional(), has_ssh_key: z.boolean().optional(), has_vnc_password: z.boolean().optional()});

export const provisionResponse = z.object({machine: machineRecord, connection: connectionDetailsRedacted, request_id: 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
};

/**
 * Provision a new VM
 * 
 * POST /v1/machines
 * 
 * Also accepts auth: bearerAuth
 */
export const createApiV1Machines = async (args: CreateApiV1MachinesArgs, options?: CreateApiV1MachinesOptions) => {
const {baseUrl = "https://coasty.ai", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (apiKey !== undefined) headers.set("X-API-Key", apiKey)

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