import {z} from 'zod'

export type RestPoolRuleCondition = {type: 'invocation_type' | 'project_name' | 'workflow_name' | 'workflow_type', values: Array<'on_demand' | 'scheduled'>} | {operator: 'starts_with', type: 'invocation_type' | 'project_name' | 'workflow_name' | 'workflow_type', values: Array<string>} | {operator: 'starts_with', type: 'invocation_type' | 'project_name' | 'workflow_name' | 'workflow_type', values: Array<string>} | {type: 'invocation_type' | 'project_name' | 'workflow_name' | 'workflow_type', values: Array<'ab_test' | 'audience' | 'customer_journey' | 'engage' | 'predictive_scoring' | 'realtime' | 'segment_insights' | 'syndication'>};

export type RestPoolRuleCreateRequest = {conditions: Array<RestPoolRuleCondition>, poolId: string, priority: number};

export type CreateApiApiPoolRulesArgs = {body: RestPoolRuleCreateRequest};

export type CreateApiApiPoolRulesOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const restPoolRuleCondition = z.discriminatedUnion("type", [z.object({type: z.enum(["invocation_type", "project_name", "workflow_name", "workflow_type"]), values: z.array(z.enum(["on_demand", "scheduled"]))}), z.object({operator: z.literal("starts_with"), type: z.enum(["invocation_type", "project_name", "workflow_name", "workflow_type"]), values: z.array(z.string())}), z.object({operator: z.literal("starts_with"), type: z.enum(["invocation_type", "project_name", "workflow_name", "workflow_type"]), values: z.array(z.string())}), z.object({type: z.enum(["invocation_type", "project_name", "workflow_name", "workflow_type"]), values: z.array(z.enum(["ab_test", "audience", "customer_journey", "engage", "predictive_scoring", "realtime", "segment_insights", "syndication"]))})]);

export const restPoolRule = z.object({conditions: z.array(restPoolRuleCondition), id: z.string(), poolId: z.string(), priority: z.number().int().gte(1).lte(10000)});

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
};

/**
 * Create a pool rule
 * 
 * POST /api/pool_rules
 */
export const createApiApiPoolRules = async (args: CreateApiApiPoolRulesArgs, options?: CreateApiApiPoolRulesOptions) => {
const {baseUrl = "https://api-workflow.treasuredata.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set('authorization', `TD1 ${ApiKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/pool_rules${query.size > 0 ? `?${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(restPoolRule, await res.json())
};