import {z} from 'zod'

export type BudgetResetPeriod = 'DAILY' | 'WEEKLY' | 'FORTNIGHTLY' | 'MONTHLY' | 'QUARTERLY' | 'ANNUALLY' | 'JULY_FINANCIAL_YEAR' | 'APRIL_FINANCIAL_YEAR' | 'NEVER';

export type BudgetUserRef = {id: number};

export type BudgetInviteRef = {id: string};

export type BudgetMemberInput = {user: BudgetUserRef, invite?: BudgetInviteRef | undefined, reset_amount?: number | undefined} | {user?: BudgetUserRef | undefined, invite: BudgetInviteRef, reset_amount?: number | undefined};

export type BudgetOwnerInput = {user: BudgetUserRef, invite?: BudgetInviteRef | undefined} | {user?: BudgetUserRef | undefined, invite: BudgetInviteRef};

export type BudgetCustomFieldInput = {id: string, allow_options?: Array<string> | undefined};

export type BudgetCreateRequest = {name: string, reset_amount: number, reset_period: BudgetResetPeriod, has_member_limits: boolean, rollover_funds: boolean, members: Array<BudgetMemberInput>, owners: Array<BudgetOwnerInput>, limit_categories?: boolean | undefined, categories?: Array<string> | undefined, custom_fields?: Array<BudgetCustomFieldInput> | undefined, payment_types?: (Array<'bills' | 'cards' | 'reimbursements'>) | undefined};

export type CreateApiV1BusinessesClientIdBudgetsArgs = {client_id: number, body: BudgetCreateRequest};

export type CreateApiV1BusinessesClientIdBudgetsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const budgetResetPeriod = z.enum(["DAILY", "WEEKLY", "FORTNIGHTLY", "MONTHLY", "QUARTERLY", "ANNUALLY", "JULY_FINANCIAL_YEAR", "APRIL_FINANCIAL_YEAR", "NEVER"]);

export const budget = z.object({id: z.string(), name: z.string(), budget_type: z.enum(["BUDGET", "SUBSCRIPTION"]), available_amount: z.number(), spent_amount: z.number(), reset_amount: z.number(), reset_period: budgetResetPeriod, current_period_start: z.string().nullable(), current_period_end: z.string().nullable(), has_member_limits: z.boolean(), rollover_funds: z.boolean(), limit_categories: z.boolean(), categories: z.array(z.object({id: z.string(), name: z.string()})), custom_fields: z.array(z.object({id: z.string(), name: z.string(), allow_options: z.array(z.string()).nullable()})), is_deleted: z.boolean(), created: z.string(), updated: z.string(), payment_types: z.array(z.enum(["bills", "cards", "reimbursements"]))});

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 a budget
 * 
 * POST /v1/businesses/{client_id}/budgets
 */
export const createApiV1BusinessesClientIdBudgets = async (args: CreateApiV1BusinessesClientIdBudgetsArgs, options?: CreateApiV1BusinessesClientIdBudgetsOptions) => {
const {baseUrl = "https://public.letsweel.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/businesses/${encodeURIComponent(String(args.client_id))}/budgets${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(budget, await res.json())
};