import {z} from 'zod'

export type GetApiContractsContractIdOverviewArgs = {'contract-id': string};

export type GetApiContractsContractIdOverviewOptions = {baseUrl?: string | undefined, lambdaApiAuthorizer?: string | undefined, fetch?: typeof fetch | undefined};

export const contractOverview = z.object({party_a: z.string().optional(), party_b: z.string().optional(), template_id: z.number().optional(), template_name: z.string().optional(), parent_template_id: z.number().optional(), is_public: z.number().optional(), contract_position_id: z.number().optional(), rating_display: z.string().optional(), product_suite_id: z.number().optional(), product_suite_name: z.string().optional(), product_suite_url: z.string().optional(), max_score: z.number().optional(), overall_score: z.number().optional(), rating_percentile: z.number().optional(), rating: z.string().optional(), raw_rating: z.string().optional(), primary_agreement: z.string().optional(), primary_agreement_url: z.string().optional(), last_updated: z.string().optional(), overall_clarity: z.string().optional(), contract_position: z.string().optional(), logo_url: z.string().optional(), badge_url: z.string().optional(), legal_entity: z.string().optional(), secondary_categories: z.array(z.string()).optional(), primary_agreement_defined_term: z.string().optional(), notes_to_customer: z.string().optional(), primary_category_id: z.number().optional(), category: z.string().optional(), category_url: z.string().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
};

/**
 * General overview and metadata for a given contract
 * 
 * GET /contracts/{contract-id}/overview
 * 
 * Also accepts auth: api_key
 */
export const getApiContractsContractIdOverview = async (args: GetApiContractsContractIdOverviewArgs, options?: GetApiContractsContractIdOverviewOptions) => {
const {baseUrl = "https://api.termscout.com", fetch: fetchFn = fetch, lambdaApiAuthorizer} = options ?? {}

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

if (lambdaApiAuthorizer !== undefined) headers.set("Authorization", lambdaApiAuthorizer)

const url = `${baseUrl.replace(/\/+$/, '')}/contracts/${encodeURIComponent(String(args['contract-id']))}/overview${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(contractOverview, await res.json())
};