import {z} from 'zod'

export type GetApiApiV1RunsRunIdGraphArgs = {run_id: string};

export type GetApiApiV1RunsRunIdGraphOptions = {baseUrl: string, CookieOAuth2TokenBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const executionStatus = z.enum(["initializing", "failed", "completed", "running", "cached"]);

export const stepNodeDetails = z.object({execution_id: z.string(), name: z.string(), status: executionStatus, entrypoint_name: z.string(), parameters: z.object({}), configuration: z.object({}), inputs: z.object({}), outputs: z.object({}), metadata: z.array(z.array(z.unknown()))});

export const stepNode = z.object({id: z.string(), type: z.string().optional(), data: stepNodeDetails});

export const artifactNodeStatus = z.enum(["cached", "created", "external", "unknown"]);

export const artifactNodeDetails = z.object({execution_id: z.string(), name: z.string(), status: artifactNodeStatus, is_cached: z.boolean(), artifact_type: z.string(), artifact_data_type: z.string(), parent_step_id: z.string(), producer_step_id: z.string().nullable(), uri: z.string(), metadata: z.array(z.array(z.unknown()))});

export const artifactNode = z.object({id: z.string(), type: z.string().optional(), data: artifactNodeDetails});

export const edge = z.object({id: z.string(), source: z.string(), target: z.string()});

export const lineageGraph = z.object({nodes: z.array(z.union([stepNode, artifactNode])).optional(), edges: z.array(edge).optional(), root_step_id: z.string().nullable().optional(), run_metadata: z.array(z.array(z.unknown())).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
};

/**
 * Get Run Dag
 * 
 * GET /api/v1/runs/{run_id}/graph
 */
export const getApiApiV1RunsRunIdGraph = async (args: GetApiApiV1RunsRunIdGraphArgs, options: GetApiApiV1RunsRunIdGraphOptions) => {
const {baseUrl, fetch: fetchFn = fetch, CookieOAuth2TokenBearer} = options ?? {}

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

if (CookieOAuth2TokenBearer !== undefined) headers.set('authorization', `Bearer ${CookieOAuth2TokenBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/runs/${encodeURIComponent(String(args.run_id))}/graph${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(lineageGraph, await res.json())
};