import {z} from 'zod'

export type CostCriteria = {thresholdAmount: number, thresholdPercentage?: number | undefined} | {thresholdAmount?: number | undefined, thresholdPercentage: number};

export type Policies = {include?: Array<string> | undefined, exclude?: Array<string> | undefined};

export type PolicyCriteria = {severity?: string | undefined, policies?: Policies | undefined};

export type ResourceActionEnum = 'no-op' | 'create' | 'read' | 'update' | 'delete';

export type ResourceCriteria = {actions: Array<ResourceActionEnum>, regions: {include: Array<string>, exclude?: Array<string> | undefined}, assetTypes: {include: Array<string>, exclude?: Array<string> | undefined}, specificResources?: Array<string> | undefined};

export type AnyTagsCriteria = {tagEnforcementMode: 'anyTags'};

export type RequiredTagsCriteria = {tagEnforcementMode: 'requiredTags', requiredTags: Array<string>};

export type RequiredValuesCriteria = {tagEnforcementMode: 'requiredValues', requiredValues: {[key: string]: Array<string>}};

export type TagCriteria = AnyTagsCriteria | RequiredTagsCriteria | RequiredValuesCriteria;

export type Criteria = {cost?: CostCriteria | undefined, policy?: PolicyCriteria | undefined, resource?: ResourceCriteria | undefined, tag?: TagCriteria | undefined};

export type UpdateGuardrailRequest = {id?: string | undefined, accountId?: string | undefined, createdBy?: string | undefined, name: string, type: 'policy' | 'cost' | 'resource' | 'tag', scope: {workspaces: {include: Array<string>, exclude?: Array<string> | undefined}, repositories: {include: Array<string>, exclude?: Array<string> | undefined}, branches: {include: Array<string>, exclude?: Array<string> | undefined}, labels: {include: Array<string>, exclude?: Array<string> | undefined}}, criteria: Criteria, isEnabled: boolean, createdAt?: string | undefined, updatedAt?: string | undefined, notificationId?: string | undefined, severity?: (0 | 1 | 2 | 3 | 4) | undefined, enforceOnNoOp?: boolean | undefined};

export type PatchApiGuardrailsRuleIdArgs = {body: UpdateGuardrailRequest};

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

export const updateGuardrailResponse = z.object({id: z.string(), name: z.string().min(1).max(100), enabled: z.boolean(), updatedAt: z.string()});

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
};

/**
 * Update a Guardrail Rule
 * 
 * PATCH /guardrails/{ruleId}
 */
export const patchApiGuardrailsRuleId = async (args: PatchApiGuardrailsRuleIdArgs, options?: PatchApiGuardrailsRuleIdOptions) => {
const {baseUrl = "https://api.firefly.ai/v2", fetch: fetchFn = fetch, JWTAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/guardrails/${encodeURIComponent(String(args.ruleId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(updateGuardrailResponse, await res.json())
};