import {z} from 'zod'

export type Event = {type?: ('llm' | 'chain' | 'agent' | 'tool' | 'log' | 'embed' | 'retriever' | 'chat' | 'convo' | 'message' | 'thread') | undefined, event?: string | undefined, level?: string | undefined, runId?: string | undefined, parentRunId?: string | undefined, timestamp?: string | undefined, input?: Record<string, never> | undefined, tags?: Array<string> | undefined, name?: string | undefined, output?: Record<string, never> | undefined, message?: (string | Record<string, never>) | undefined, extra?: Record<string, never> | undefined, feedback?: Record<string, never> | undefined, templateId?: string | undefined, templateVersionId?: string | undefined, metadata?: Record<string, never> | undefined, tokensUsage?: ({prompt?: number | undefined, completion?: number | undefined}) | undefined, error?: ({message?: string | undefined, stack?: string | undefined}) | undefined, appId?: string | undefined} | {[key: string]: unknown};

export type CreateApiV1RunsIngestArgs = {body: {events?: (Event | Array<Event>) | undefined}};

export type CreateApiV1RunsIngestOptions = {baseUrl?: string | undefined, ProjectPublicApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const ingestResponse = z.object({results: z.array(z.object({id: z.string().optional(), success: z.boolean().optional(), error: z.string().optional()})).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
};

/**
 * Ingest run events
 * 
 * POST /v1/runs/ingest
 */
export const createApiV1RunsIngest = async (args: CreateApiV1RunsIngestArgs, options?: CreateApiV1RunsIngestOptions) => {
const {baseUrl = "https://api.lunary.ai", fetch: fetchFn = fetch, ProjectPublicApiKeyAuth} = options ?? {}

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

if (ProjectPublicApiKeyAuth !== undefined) headers.set('authorization', `Bearer ${ProjectPublicApiKeyAuth}`)

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