import {z} from 'zod'

export type ResourceDescriptorId = string;

export type RetentionDeleteAction = 'DELETE' | 'ANONYMIZE' | 'PSEUDONYMIZE' | 'TOMBSTONE' | 'REVIEW';

export type StringMap = {[key: string]: string};

export type RetentionSpec = {purpose?: string | undefined, legalBasis?: string | undefined, retentionPeriod?: string | undefined, deleteAction?: RetentionDeleteAction | undefined, metadata?: StringMap | undefined};

export type FieldDescriptorInput = {fieldPath: string, displayName?: string | undefined, valueType: string, required?: boolean | undefined, multiValued?: boolean | undefined, semanticAttributeId?: string | undefined, sensitivity?: string | undefined, retention?: RetentionSpec | undefined, metadata?: StringMap | undefined};

export type CreateApiResourceDescriptorsResourceDescriptorIdFieldsArgs = {resourceDescriptorId: ResourceDescriptorId, body: FieldDescriptorInput};

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

export const retentionDeleteAction = z.enum(["DELETE", "ANONYMIZE", "PSEUDONYMIZE", "TOMBSTONE", "REVIEW"]);

export const stringMap = z.record(z.string(), z.string());

export const retentionSpec = z.object({purpose: z.string().optional(), legalBasis: z.string().optional(), retentionPeriod: z.string().optional(), deleteAction: retentionDeleteAction.optional(), metadata: stringMap.optional()});

export const fieldDescriptorId = z.string();

export const fieldDescriptor = z.object({fieldPath: z.string(), displayName: z.string().optional(), valueType: z.string(), required: z.boolean().optional(), multiValued: z.boolean().optional(), semanticAttributeId: z.string().optional(), sensitivity: z.string().optional(), retention: retentionSpec.optional(), metadata: stringMap.optional(), fieldDescriptorId: fieldDescriptorId});

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
};

/**
 * Add a field descriptor
 * 
 * POST /resource/descriptors/{resourceDescriptorId}/fields
 */
export const createApiResourceDescriptorsResourceDescriptorIdFields = async (args: CreateApiResourceDescriptorsResourceDescriptorIdFieldsArgs, options?: CreateApiResourceDescriptorsResourceDescriptorIdFieldsOptions) => {
const {baseUrl = "https://api.example.com/api/connector/v1", fetch: fetchFn = fetch, bearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/resource/descriptors/${encodeURIComponent(String(args.resourceDescriptorId))}/fields${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(fieldDescriptor, await res.json())
};