import {z} from 'zod'

export type CreateTableMetadataRequest = {provider: string, metadata?: (Array<{key: string, value: string | null}>) | undefined, columnsMetadata?: ({[key: string]: Array<{columnName?: string | undefined, key: string, value: string | null}>}) | undefined};

export type CreateApiV2StorageBranchBranchIdTablesIdMetadataArgs = {id: string, branchId: string, body: CreateTableMetadataRequest};

export type CreateApiV2StorageBranchBranchIdTablesIdMetadataOptions = {baseUrl?: string | undefined, StorageKey?: string | undefined, fetch?: typeof fetch | undefined};

export const metadataItemResponse = z.object({id: z.string(), key: z.string(), value: z.string().nullable(), provider: z.string(), timestamp: z.string()});

export const tableCreateOrUpdateMetadataResponse = z.object({metadata: z.array(metadataItemResponse), columnsMetadata: z.record(z.string(), z.array(metadataItemResponse))});

export const createApiV2StorageBranchBranchIdTablesIdMetadataResponse = z.union([tableCreateOrUpdateMetadataResponse, z.array(metadataItemResponse)]);

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 or update table metadata
 * 
 * POST /v2/storage/branch/{branchId}/tables/{id}/metadata
 * 
 * Also accepts auth: ManageKey, BearerAuth
 */
export const createApiV2StorageBranchBranchIdTablesIdMetadata = async (args: CreateApiV2StorageBranchBranchIdTablesIdMetadataArgs, options?: CreateApiV2StorageBranchBranchIdTablesIdMetadataOptions) => {
const {baseUrl = "https://connection.keboola.com", fetch: fetchFn = fetch, StorageKey} = options ?? {}

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

if (StorageKey !== undefined) headers.set("X-StorageApi-Token", StorageKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/storage/branch/${encodeURIComponent(String(args.branchId))}/tables/${encodeURIComponent(String(args.id))}/metadata${query.size > 0 ? `?${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(createApiV2StorageBranchBranchIdTablesIdMetadataResponse, await res.json())
};