import {z} from 'zod'

export type UUIDSchema = string;

export type GetApiInspectImageUuidGrepArgs = {image_uuid: UUIDSchema, pattern: string, path?: string | undefined, glob?: string | undefined, max_count?: number | undefined, max_total?: number | undefined, case?: ('sensitive' | 'insensitive' | 'smart') | undefined};

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

export const grepSubmatch = z.object({text: z.string(), start: z.number().int(), end: z.number().int()});

export const grepMatch = z.object({path: z.string(), line_number: z.number().int(), absolute_offset: z.number().int(), line_text: z.string(), line_bytes: z.number().int(), submatches: z.array(grepSubmatch)});

export const grepResult = z.object({path: z.string(), patterns: z.array(z.string()), matches: z.array(grepMatch), truncated: z.boolean()});

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
};

/**
 * Search file contents in image
 * 
 * GET /inspect/{image_uuid}/grep
 */
export const getApiInspectImageUuidGrep = async (args: GetApiInspectImageUuidGrepArgs, options?: GetApiInspectImageUuidGrepOptions) => {
const {baseUrl = "https://api.tokenfactory.nebius.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.pattern != null) query.append("pattern", String(args.pattern))
if (args.path != null) query.append("path", String(args.path))
if (args.glob != null) query.append("glob", String(args.glob))
if (args.max_count != null) query.append("max_count", String(args.max_count))
if (args.max_total != null) query.append("max_total", String(args.max_total))
if (args.case != null) query.append("case", String(args.case))

const url = `${baseUrl.replace(/\/+$/, '')}/inspect/${encodeURIComponent(String(args.image_uuid))}/grep${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(grepResult, await res.json())
};