import {z} from 'zod'

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

export const location = z.object({begin: z.number().optional(), end: z.number().optional()});

export const annotation = z.object({primary: z.boolean().optional(), text: z.string().optional(), source: location.optional()});

export const note = z.object({kind: z.enum(["note", "usage", "hint", "docs"]).optional(), message: z.string().optional()});

export const diagnostic = z.object({severity: z.enum(["error", "warning", "note"]).optional(), message: z.string().optional(), annotation: z.array(annotation).optional(), notes: z.array(note).optional(), rendered: z.string().optional()});

export const diagnostics = z.array(diagnostic);

export const pipelineLabel = z.object({text: z.string().optional(), color: z.string().optional()});

export const pipelineLabels = z.array(pipelineLabel);

export const pipelineAutostart = z.object({created: z.boolean().optional(), completed: z.boolean().optional(), failed: z.boolean().optional()});

export const pipelineAutodelete = z.object({completed: z.boolean().optional(), failed: z.boolean().optional(), stopped: z.boolean().optional()});

export const pipelineInfo = z.object({id: z.string().optional(), name: z.string().optional(), definition: z.string().optional(), unstoppable: z.boolean().optional(), hidden: z.boolean().optional(), created_at: z.number().int().optional(), last_modified: z.number().int().optional(), start_time: z.string().optional(), total_runs: z.number().int().optional(), state: z.enum(["created", "running", "paused", "failed", "stopped", "completed"]).optional(), error: z.string().nullable().optional(), diagnostics: diagnostics.optional(), labels: pipelineLabels.optional(), retry_delay: z.string().optional(), autostart: pipelineAutostart.optional(), autodelete: pipelineAutodelete.optional(), ttl: z.string().nullable().optional(), remaining_ttl: z.string().nullable().optional()});

export const createApiPipelineListResponse = z.object({pipelines: z.array(pipelineInfo).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 pipelines
 * 
 * POST /pipeline/list
 */
export const createApiPipelineList = async (options: CreateApiPipelineListOptions) => {
const {baseUrl, fetch: fetchFn = fetch, TenzirToken} = options ?? {}

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

if (TenzirToken !== undefined) headers.set("X-Tenzir-Token", TenzirToken)

const url = `${baseUrl.replace(/\/+$/, '')}/pipeline/list${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiPipelineListResponse, await res.json())
};