import {z} from 'zod'

export type GetApiAgentsArgs = {cursor?: string | undefined, limit?: number | undefined, sort?: ('createdAt:desc' | 'createdAt:asc' | 'name:asc' | 'name:desc') | undefined, q?: string | undefined, anchor?: 'end' | undefined};

export type GetApiAgentsOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const coreEvent = z.object({canaryRevision: z.string().optional(), message: z.string().optional(), revision: z.string().optional(), status: z.string().optional(), time: z.string().optional(), type: z.string().optional()});

export const coreEvents = z.array(coreEvent);

export const metadataLabels = z.record(z.string(), z.string());

export const metadata = z.object({createdAt: z.string().optional(), updatedAt: z.string().optional(), createdBy: z.string().optional(), updatedBy: z.string().optional(), displayName: z.string().optional(), externalId: z.string().optional(), labels: metadataLabels.optional(), name: z.string(), plan: z.string().optional(), url: z.string().optional(), workspace: z.string().optional()});

export const policiesList = z.array(z.string());

export const repository = z.object({type: z.string().optional(), url: z.string().optional()});

export const revisionConfiguration = z.object({active: z.string().optional(), canary: z.string().optional(), canaryPercent: z.number().int().optional(), stickySessionTtl: z.number().int().optional(), traffic: z.number().int().optional()});

export const env = z.object({name: z.string().optional(), secret: z.boolean().optional(), value: z.string().optional()});

export const agentRuntime = z.object({envs: z.array(env).optional(), generation: z.enum(["mk2", "mk3"]).optional(), image: z.string().optional(), maxScale: z.number().int().optional(), memory: z.number().int().optional(), minScale: z.number().int().optional()});

export const triggerConfigurationTask = z.object({});

export const triggerConfiguration = z.object({authenticationType: z.string().optional(), callbackSecret: z.string().optional(), callbackUrl: z.string().optional(), path: z.string().optional(), retry: z.number().int().optional(), schedule: z.string().optional(), tasks: z.array(triggerConfigurationTask).optional(), timeout: z.number().int().optional()});

export const trigger = z.object({configuration: triggerConfiguration.optional(), enabled: z.boolean().optional(), id: z.string().optional(), type: z.enum(["http", "http-async", "cron"]).optional()});

export const triggers = z.array(trigger);

export const volumeAttachment = z.object({mountPath: z.string().optional(), name: z.string().optional(), readOnly: z.boolean().optional()});

export const volumeAttachments = z.array(volumeAttachment);

export const agentSpec = z.object({enabled: z.boolean().optional(), policies: policiesList.optional(), public: z.boolean().optional(), region: z.string().optional(), repository: repository.optional(), revision: revisionConfiguration.optional(), runtime: agentRuntime.optional(), triggers: triggers.optional(), volumes: volumeAttachments.optional()});

export const status = z.enum(["DELETING", "TERMINATED", "FAILED", "DEACTIVATED", "DEACTIVATING", "UPLOADING", "BUILDING", "DEPLOYING", "DEPLOYED", "BUILT"]);

export const agent = z.object({events: coreEvents.optional(), metadata: metadata, spec: agentSpec, status: status.optional()});

export const paginationMeta = z.object({hasMore: z.boolean().optional(), nextCursor: z.string().optional(), total: z.number().int().optional()});

export const agentList = z.object({data: z.array(agent).optional(), meta: paginationMeta.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
};

/**
 * List all agents
 * 
 * GET /agents
 * 
 * Also accepts auth: ApiKeyAuth
 */
export const getApiAgents = async (args: GetApiAgentsArgs, options?: GetApiAgentsOptions) => {
const {baseUrl = "https://api.blaxel.ai/v0", fetch: fetchFn = fetch, OAuth2} = 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.sort != null) query.append("sort", String(args.sort))
if (args.q != null) query.append("q", String(args.q))
if (args.anchor != null) query.append("anchor", String(args.anchor))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

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