import {z} from 'zod'

export type GetApiCasesCaseTokenEvidencesArgs = {case_token: string};

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

export const transactionSummary = z.object({transaction_id: z.number().optional(), amount: z.number().optional(), currency_code: z.string().optional()});

export const linkReference = z.object({href: z.string().optional()});

export const evidencesLinksSummary = z.object({case: linkReference.optional(), self: linkReference.optional()});

export const caseEvidence = z.object({status_code: z.number().optional(), error: z.string().optional(), _embedded: z.object({evidences: z.array(z.object({created_at: z.number().optional(), occurred_at: z.number().optional(), transaction_id: z.string().optional(), evaluation_token: z.string().optional(), is_manual: z.boolean().optional(), is_portfolio_eval: z.boolean().optional(), portfolio_evaluation_token: z.string().optional(), alerts: z.array(z.string()).optional(), _embedded: z.object({transaction: transactionSummary.optional()}).optional(), _links: evidencesLinksSummary.optional()})).optional()}).optional()});

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
};

/**
 * Get case evidences by case token
 * 
 * GET /cases/{case_token}/evidences
 * 
 * Also accepts auth: basic
 */
export const getApiCasesCaseTokenEvidences = async (args: GetApiCasesCaseTokenEvidencesArgs, options?: GetApiCasesCaseTokenEvidencesOptions) => {
const {baseUrl = "https://sandbox.alloy.co/v1", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/cases/${encodeURIComponent(String(args.case_token))}/evidences${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(caseEvidence, await res.json())
};