import {z} from 'zod'

export type CreateApiAnalyzeV1AgreementsArgs = {body: {file_name: string, name?: string | undefined, agreement_type?: string | undefined, tags?: Array<string> | undefined, terms?: (Array<{name?: string | undefined, value?: string | undefined}>) | undefined, approve_agreement?: boolean | undefined, parent_agreement_id?: string | undefined}};

export type CreateApiAnalyzeV1AgreementsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiAnalyzeV1AgreementsResponse = z.object({upload_id: z.string(), name: z.string(), type: z.string(), file_name: z.string(), status: z.string(), url: z.string(), parent_agreement_id: z.string().nullable(), tags: z.array(z.string()).nullable(), terms: z.array(z.object({name: z.string().optional(), value: z.string().nullable().optional()})).nullable()});

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 Agreement: Create Upload URL
 * 
 * POST /analyze/v1/agreements
 */
export const createApiAnalyzeV1Agreements = async (args: CreateApiAnalyzeV1AgreementsArgs, options?: CreateApiAnalyzeV1AgreementsOptions) => {
const {baseUrl = "https://api.linksquares.com/api", 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("x-api-key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/analyze/v1/agreements${query.size > 0 ? `?${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(createApiAnalyzeV1AgreementsResponse, await res.json())
};