import {z} from 'zod'

export type CaseStatus = 'OPEN' | 'CLOSED';

export type GetApiV2TenantSlugCasesArgs = {tenant_slug: string, status?: (CaseStatus | null) | undefined, website_account_id?: (string | null) | undefined, user_is_blocked?: (boolean | null) | undefined};

export type GetApiV2TenantSlugCasesOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const caseStatus = z.enum(["OPEN", "CLOSED"]);

export const caseListItemResponse = z.object({case_id: z.string(), website_account_id: z.string().optional(), created_at: z.string(), status: caseStatus, overall_risk_score: z.number().int().gte(1).lte(5), case_version: z.number().int().optional(), end_user_is_blocked: z.boolean().optional(), primary_fraud_label: z.string().nullable(), recommended_action: z.string().nullable().optional()});

export const caseListResponse = z.object({cases: z.array(caseListItemResponse)});

export const aPIResponseCaseListResponse = z.object({data: caseListResponse});

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 cases
 * 
 * GET /v2/{tenant_slug}/cases
 */
export const getApiV2TenantSlugCases = async (args: GetApiV2TenantSlugCasesArgs, options?: GetApiV2TenantSlugCasesOptions) => {
const {baseUrl = "https://api.demo-retail.urbanfox.io", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (args.status != null) query.append("status", String(args.status))
if (args.website_account_id != null) query.append("website_account_id", String(args.website_account_id))
if (args.user_is_blocked != null) query.append("user_is_blocked", String(args.user_is_blocked))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/${encodeURIComponent(String(args.tenant_slug))}/cases${query.size > 0 ? `?${query}` : ''}`

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

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

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