import {z} from 'zod'

export type ColumnInfo = {name?: string | undefined, typeText?: string | undefined, typeJson?: string | undefined, typeName?: number | undefined, typePrecision?: number | undefined, typeScale?: number | undefined, typeIntervalType?: string | undefined, position?: number | undefined, comment?: string | undefined, nullable?: boolean | undefined, partitionIndex?: number | undefined, columnId?: string | undefined};

export type CreateTableRequest = {name: string, schemaName: string, catalogName: string, tableType?: number | undefined, dataSourceFormat?: number | undefined, columns?: Array<ColumnInfo> | undefined, storageLocation?: string | undefined, comment?: string | undefined, properties?: Record<string, never> | undefined};

export type CreateApiTablesArgs = {body: CreateTableRequest};

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

export const columnInfo = z.object({name: z.string().optional(), typeText: z.string().optional(), typeJson: z.string().optional(), typeName: z.number().int().optional(), typePrecision: z.number().int().optional(), typeScale: z.number().int().optional(), typeIntervalType: z.string().optional(), position: z.number().int().optional(), comment: z.string().optional(), nullable: z.boolean().optional(), partitionIndex: z.number().int().optional(), columnId: z.string().optional()});

export const tableInfo = z.object({name: z.string().optional(), schemaName: z.string().optional(), catalogName: z.string().optional(), tableType: z.number().int().optional(), dataSourceFormat: z.number().int().optional(), columns: z.array(columnInfo).optional(), storageLocation: z.string().optional(), owner: z.string().optional(), comment: z.string().optional(), properties: z.object({}).optional(), storageCredentialName: z.string().optional(), fullName: z.string().optional(), createdAt: z.string().optional(), createdBy: z.string().optional(), updatedAt: z.string().optional(), updatedBy: z.string().optional(), deletedAt: z.string().optional(), tableId: z.string().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
};

/**
 * Create a table
 * 
 * POST /tables
 */
export const createApiTables = async (args: CreateApiTablesArgs, options: CreateApiTablesOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/tables${query.size > 0 ? `?${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(tableInfo, await res.json())
};