import {z} from 'zod'

export type LabelID = string;

export type CreateDataset = {description?: string | undefined, edgeDeployment?: string | undefined, kind?: ('otel:metrics:v1' | 'otel:traces:v1' | 'otel:logs:v1' | 'axiom:events:v1') | undefined, labelIds?: Array<LabelID> | undefined, name: string, retentionDays?: number | undefined, useRetentionPeriod?: boolean | undefined};

export type CreateApiDatasetsArgs = {referrer?: string | undefined, body: CreateDataset};

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

export const labelID = z.string();

export const labelColor = z.object({name: z.enum(["red", "coral", "orange", "amber", "yellow", "lime", "green", "teal", "blue", "iris", "purple", "pink"]), type: z.literal("palette")});

export const label = z.object({color: labelColor, description: z.string().nullable().optional(), id: labelID, name: z.string()});

export const dataset = z.object({canWrite: z.boolean().optional(), created: z.string(), createdByAgent: z.boolean().optional(), description: z.string(), edgeDeployment: z.string().optional(), edgeDeploymentUrl: z.string().optional(), id: z.string(), kind: z.enum(["otel:metrics:v1", "otel:traces:v1", "otel:logs:v1", "axiom:events:v1"]), labelIds: z.array(labelID), labelNames: z.array(z.string()), labels: z.array(label).optional(), mapFields: z.array(z.string()).optional(), name: z.string(), reclaimableFields: z.number().int().optional(), retentionDays: z.number().int().optional(), sharedByOrg: z.string().optional(), updatedAt: z.string(), useRetentionPeriod: z.boolean().optional(), vacuumCandidate: z.boolean().optional(), who: z.string()});

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
};

/**
 * Create dataset
 * 
 * POST /datasets
 */
export const createApiDatasets = async (args: CreateApiDatasetsArgs, options?: CreateApiDatasetsOptions) => {
const {baseUrl = "https://api.axiom.co/v2", fetch: fetchFn = fetch, Auth} = options ?? {}

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

if (args.referrer != null) query.append("referrer", String(args.referrer))
if (Auth !== undefined) headers.set('authorization', `Bearer ${Auth}`)

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