import {z} from 'zod'

export type GetApiV1PublicBudgetsArgs = {fromDate?: string | undefined, toDate?: string | undefined, forNameContaining?: string | undefined};

export type GetApiV1PublicBudgetsOptions = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const publicBudget = z.object({uid: z.string(), names: z.record(z.string(), z.string()), value: z.number(), teamIds: z.array(z.string()).optional(), teamCodes: z.array(z.string()).optional(), skillIds: z.array(z.string()).optional(), skillICodes: z.array(z.string()).optional(), locationIds: z.array(z.string()).optional(), locationCodes: z.array(z.string()).optional(), effectiveFrom: z.number().optional(), effectiveTo: z.number().optional()});

export const getApiV1PublicBudgetsResponse = z.array(publicBudget);

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 company budgets
 * 
 * GET /v1/public/budgets
 */
export const getApiV1PublicBudgets = async (args: GetApiV1PublicBudgetsArgs, options?: GetApiV1PublicBudgetsOptions) => {
const {baseUrl = "https://api.evolia.com", fetch: fetchFn = fetch, basic} = options ?? {}

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

if (args.fromDate != null) query.append("fromDate", String(args.fromDate))
if (args.toDate != null) query.append("toDate", String(args.toDate))
if (args.forNameContaining != null) query.append("forNameContaining", String(args.forNameContaining))
if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/public/budgets${query.size > 0 ? `?${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(getApiV1PublicBudgetsResponse, await res.json())
};