import {z} from 'zod'

export type TemplateScope = 'system' | 'organization' | 'user' | 'public';

export type ListTemplatesRequest = {filters?: ({[key: string]: unknown} | null) | undefined, sort?: ({[key: string]: string} | null) | undefined, search?: (string | null) | undefined, scope?: (TemplateScope | null) | undefined, category?: (string | null) | undefined, is_active?: boolean | undefined, tags?: (Array<string> | null) | undefined};

export type CreateApiV1TemplatesRetrieversArgs = {body: ListTemplatesRequest};

export type CreateApiV1TemplatesRetrieversOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, NamespaceHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const templateType = z.enum(["namespace", "retriever", "cluster", "collection", "bucket", "taxonomy", "scaffold"]);

export const templateMode = z.enum(["scaffold", "config", "clone", "manifest"]);

export const templateScope = z.enum(["system", "organization", "user", "public"]);

export const baseTemplateModel = z.object({template_id: z.string(), template_type: templateType, mode: templateMode.optional(), scope: templateScope, internal_id: z.string(), name: z.string().min(1).max(100), description: z.string().min(1).max(1000), category: z.string().nullable().optional(), configuration: z.record(z.string(), z.unknown()), tags: z.array(z.string()).optional(), is_active: z.boolean().optional(), is_public: z.boolean().optional(), use_cases: z.array(z.string()).optional(), requirements: z.array(z.string()).optional(), created_by: z.string().nullable().optional(), source_resource_id: z.string().nullable().optional(), sample_namespace_id: z.string().nullable().optional(), example_queries: z.array(z.string()).optional(), whats_inside: z.string().nullable().optional(), materialize_estimate: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const listTemplatesResponse = z.object({results: z.array(baseTemplateModel), total_count: z.number().int()});

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
};

/**
 * List Retriever Templates
 * 
 * POST /v1/templates/retrievers
 */
export const createApiV1TemplatesRetrievers = async (args: CreateApiV1TemplatesRetrieversArgs, options?: CreateApiV1TemplatesRetrieversOptions) => {
const {baseUrl = "https://api.mixpeek.com", fetch: fetchFn = fetch, BearerAuth, NamespaceHeader} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)
if (NamespaceHeader !== undefined) headers.set("X-Namespace", NamespaceHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/templates/retrievers${query.size > 0 ? `?${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(listTemplatesResponse, await res.json())
};