import {z} from 'zod'

export type GetApiV3RenewalsArgs = {page: number, limit: number, filter?: string | undefined};

export type GetApiV3RenewalsOptions = {baseUrl?: string | undefined, customHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const renewalDto = z.object({id: z.string(), contractId: z.string(), type: z.enum(["MUTUAL", "AUTOMATIC", "UNILATERAL"]).optional(), status: z.enum(["DRAFT", "APPROVED", "DECLINED"]), noticePeriod: z.number().optional(), noticePeriodUnits: z.enum(["DAY", "MONTH", "YEAR"]).optional(), renewalLength: z.number().optional(), renewalLengthUnits: z.enum(["DAY", "MONTH", "YEAR"]).optional(), maxNumberOfRenewals: z.number().optional(), sameConditions: z.boolean().optional(), priceIncrease: z.number().optional(), priceIncreaseUnits: z.enum(["PERCENT", "DOLLAR"]).optional(), recurringPeriod: z.number().optional(), recurringPeriodUnits: z.enum(["DAY", "MONTH", "YEAR"]).optional(), escalatorConditions: z.string().optional(), renewalCriteria: z.string().optional(), renewalCriteriaDetails: z.string().optional(), termEndDate: z.string().optional(), escalatorClauseSummary: z.string().optional(), summary: z.string().optional(), quotes: z.string().optional()});

export const integratorsApiError = z.object({code: z.number(), message: z.string(), details: z.object({}).optional()});

export const getApiV3RenewalsResponse = z.object({payload: z.object({data: z.array(renewalDto).optional(), limit: z.number().optional(), totalItems: z.number().optional(), currentPage: z.number().optional()}), success: z.boolean(), message: z.string(), error: integratorsApiError});

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 renewals
 * 
 * GET /v3/renewals
 */
export const getApiV3Renewals = async (args: GetApiV3RenewalsArgs, options?: GetApiV3RenewalsOptions) => {
const {baseUrl = "https://integrators.prod.api.tabsplatform.com", fetch: fetchFn = fetch, customHeader} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.filter != null) query.append("filter", String(args.filter))
if (customHeader !== undefined) headers.set("Authorization", customHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/renewals${query.size > 0 ? `?${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(getApiV3RenewalsResponse, await res.json())
};