import {z} from 'zod'

export type PreviewResourceQueryParams = {filters?: (Array<{key: 'asset_type' | 'region' | 'discovery_type', values: Array<string>}>) | undefined, search?: string | undefined};

export type PreviewResourceSearchRequest = {query?: PreviewResourceQueryParams | undefined, page?: number | undefined, page_size?: number | undefined, facet_page?: number | undefined, facet_page_size?: number | undefined, facet_fields?: Array<string> | undefined};

export type CreateApiBackupAndDrPoliciesPreviewPreviewIdSearchArgs = {preview_id: string, body: PreviewResourceSearchRequest};

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

export const previewResource = z.object({frn: z.string(), asset_type: z.string(), asset_name: z.string(), region: z.string(), provider: z.string(), service: z.string().optional(), tags_list: z.array(z.string()).optional(), created_at: z.string().nullable().optional(), discovery_type: z.enum(["scope", "dependency"]), parent_frn: z.string().nullable().optional()});

export const pagination = z.object({page: z.number().int(), page_size: z.number().int(), total: z.number().int(), has_next: z.boolean(), has_prev: z.boolean()});

export const facetValue = z.object({value: z.string().optional(), count: z.number().int().optional()});

export const facet = z.object({field: z.string(), size: z.number().int(), pagination: pagination, values: z.array(facetValue)});

export const previewResourceSearchResponse = z.object({data: z.array(previewResource).optional(), pagination: pagination.optional(), facets: z.array(facet).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
};

/**
 * Search preview resources with filters
 * 
 * POST /backup-and-dr/policies/preview/{preview_id}/search
 */
export const createApiBackupAndDrPoliciesPreviewPreviewIdSearch = async (args: CreateApiBackupAndDrPoliciesPreviewPreviewIdSearchArgs, options?: CreateApiBackupAndDrPoliciesPreviewPreviewIdSearchOptions) => {
const {baseUrl = "https://api.firefly.ai/v2", 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 = `${baseUrl.replace(/\/+$/, '')}/backup-and-dr/policies/preview/${encodeURIComponent(String(args.preview_id))}/search${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(previewResourceSearchResponse, await res.json())
};