import {z} from 'zod'

export type GetApiBaseBaseIdErdArgs = {baseId: string};

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

export const getApiBaseBaseIdErdResponse = z.object({baseId: z.string(), nodes: z.array(z.object({id: z.string(), name: z.string(), icon: z.string().optional(), crossBaseId: z.string().optional(), crossBaseName: z.string().optional(), fields: z.array(z.object({id: z.string(), name: z.string(), type: z.enum(["singleLineText", "longText", "user", "attachment", "checkbox", "multipleSelect", "singleSelect", "date", "number", "rating", "formula", "rollup", "conditionalRollup", "link", "createdTime", "lastModifiedTime", "createdBy", "lastModifiedBy", "autoNumber", "button"]), isLookup: z.boolean().optional(), isConditionalLookup: z.boolean().optional(), isPrimary: z.boolean().optional()}))}).and(z.record(z.string(), z.unknown()))), edges: z.array(z.object({source: z.object({tableId: z.string(), tableName: z.string(), fieldId: z.string(), fieldName: z.string()}), target: z.object({tableId: z.string(), tableName: z.string(), fieldId: z.string(), fieldName: z.string()}), relationship: z.enum(["oneOne", "manyMany", "oneMany", "manyOne"]).optional(), isOneWay: z.boolean().optional(), type: z.union([z.enum(["singleLineText", "longText", "user", "attachment", "checkbox", "multipleSelect", "singleSelect", "date", "number", "rating", "formula", "rollup", "conditionalRollup", "link", "createdTime", "lastModifiedTime", "createdBy", "lastModifiedBy", "autoNumber", "button"]), z.literal("lookup")])}))});

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
};

/**
 * Get the erd of a base
 * 
 * GET /base/{baseId}/erd
 */
export const getApiBaseBaseIdErd = async (args: GetApiBaseBaseIdErdArgs, options?: GetApiBaseBaseIdErdOptions) => {
const {baseUrl = "https://app.teable.ai/api", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/base/${encodeURIComponent(String(args.baseId))}/erd${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(getApiBaseBaseIdErdResponse, await res.json())
};