import {z} from 'zod'

export type MachineStats = {machine_name?: string | undefined, os_version?: string | undefined, gpu_type?: string | undefined, cpu_capacity?: string | undefined, initial_cpu?: string | undefined, memory_capacity?: string | undefined, initial_ram?: string | undefined, vram_time_series?: Record<string, never> | undefined, disk_capacity?: string | undefined, initial_disk?: string | undefined, pip_freeze?: string | undefined};

export type WorkflowRunStatus = 'WorkflowRunStatusStarted' | 'WorkflowRunStatusFailed' | 'WorkflowRunStatusCompleted';

export type CreateApiUploadArtifactArgs = {body: {repo: string, job_id: string, run_id: string, os: string, cuda_version?: string | undefined, bucket_name?: string | undefined, output_files_gcs_paths?: string | undefined, comfy_logs_gcs_path?: string | undefined, comfy_run_flags?: string | undefined, commit_hash: string, commit_time: string, commit_message: string, workflow_name: string, branch_name: string, start_time: number, end_time: number, avg_vram?: number | undefined, peak_vram?: number | undefined, pr_number: string, author: string, job_trigger_user: string, python_version: string, pytorch_version?: string | undefined, machine_stats?: MachineStats | undefined, status: WorkflowRunStatus}};

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

export const createApiUploadArtifactResponse = z.object({message: z.string().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
};

/**
 * Receive artifacts (output files) from the ComfyUI GitHub Action
 * 
 * POST /upload-artifact
 */
export const createApiUploadArtifact = async (args: CreateApiUploadArtifactArgs, options?: CreateApiUploadArtifactOptions) => {
const {baseUrl = "https://api.comfy.org", fetch: fetchFn = fetch} = options ?? {}

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

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