import {z} from 'zod'

export type GetApiV2ProjectsProjectIdBudgetHistoriesArgs = {project_id: number, page_start_id?: number | undefined, page_limit?: number | undefined};

export type GetApiV2ProjectsProjectIdBudgetHistoriesOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const budget = z.object({type: z.string(), rate: z.string().optional(), cost: z.number().optional(), hours: z.number().optional(), start_date: z.string().optional(), alerts: z.object({near_limit: z.number().int(), notify_enabled: z.boolean(), notify_all_members: z.boolean(), notify_group: z.string().optional()}), recurrence: z.string().optional(), recurrence_start: z.number().int().optional(), include_non_billable: z.boolean(), stop_timer_when_budget_reached: z.boolean(), stop_at: z.number().int().optional()});

export const budgetHistory = z.object({id: z.number().int(), project_id: z.number().int().optional(), client_id: z.number().int().optional(), budget: budget, start_date: z.string().optional(), stop_date: z.string().optional(), spent: z.number(), created_at: z.string(), updated_at: z.string()});

export const getApiV2ProjectsProjectIdBudgetHistoriesResponse = z.object({budget_histories: z.array(budgetHistory).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
};

/**
 * List project budget histories
 * 
 * GET /v2/projects/{project_id}/budget_histories
 */
export const getApiV2ProjectsProjectIdBudgetHistories = async (args: GetApiV2ProjectsProjectIdBudgetHistoriesArgs, options?: GetApiV2ProjectsProjectIdBudgetHistoriesOptions) => {
const {baseUrl = "https://api.hubstaff.com", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (args.page_start_id != null) query.append("page_start_id", String(args.page_start_id))
if (args.page_limit != null) query.append("page_limit", String(args.page_limit))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/projects/${encodeURIComponent(String(args.project_id))}/budget_histories${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(getApiV2ProjectsProjectIdBudgetHistoriesResponse, await res.json())
};