import {z} from 'zod'

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

export const techniqueParameter = z.object({id: z.string().optional(), name: z.string().optional(), description: z.string().optional(), mayBeEmpty: z.boolean().optional()});

export const techniqueResource = z.object({name: z.string().optional(), state: z.string().optional()});

export const techniqueMethodCall = z.object({type: z.string().optional(), id: z.string().optional(), component: z.string().optional(), method: z.string().optional(), condition: z.string().optional(), disabledReporting: z.boolean().optional(), parameters: z.array(z.object({name: z.string().optional()})).optional()});

export const techniqueBlock: z.ZodType<TechniqueBlock> = z.object({type: z.string().optional(), id: z.string().optional(), component: z.string().optional(), condition: z.string().optional(), calls: z.array(z.union([techniqueMethodCall, z.lazy(() => techniqueBlock)])).optional(), reportingLogic: z.object({type: z.enum(["worst", "focus", "worst-case-weighted-one", "worst-case-weighted-sum"]).optional(), value: z.string().optional()}).optional()});

export const editorTechnique = z.object({id: z.string().optional(), name: z.string().optional(), version: z.string().optional(), category: z.string().optional(), description: z.string().optional(), documentation: z.string().optional(), tags: z.object({}).optional(), source: z.string().optional(), parameters: z.array(techniqueParameter).optional(), resources: z.array(techniqueResource).optional(), calls: z.array(z.union([techniqueMethodCall, techniqueBlock])).optional()});

export const techniques = z.array(editorTechnique);

export const createApiTechniquesReloadResponse = z.object({result: z.enum(["success", "error"]), action: z.literal("listTechniques"), data: z.object({techniques: techniques})});

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
};

/**
 * Reload techniques
 * 
 * POST /techniques/reload
 */
export const createApiTechniquesReload = async (options?: CreateApiTechniquesReloadOptions) => {
const {baseUrl = "https://rudder.example.com/rudder/api/latest", fetch: fetchFn = fetch, APITokens} = options ?? {}

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

if (APITokens !== undefined) headers.set("X-API-Token", APITokens)

const url = `${baseUrl.replace(/\/+$/, '')}/techniques/reload${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiTechniquesReloadResponse, await res.json())
};