import {z} from 'zod'

export type GetApiApiTransactionsCalendarArgs = {month?: (string | null) | undefined, account_id?: (string | null) | undefined, account_ids?: (Array<string> | null) | undefined, 'X-Workspace-Id'?: (string | null) | undefined};

export type GetApiApiTransactionsCalendarOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const transactionCalendarItem = z.object({kind: z.enum(["actual", "projected"]), id: z.string().nullable().optional(), recurring_id: z.string().nullable().optional(), date: z.string(), description: z.string(), amount: z.number(), amount_primary: z.number().nullable().optional(), currency: z.string(), type: z.enum(["debit", "credit"]), account_id: z.string().nullable().optional(), account_name: z.string().nullable().optional(), category_id: z.string().nullable().optional(), category_name: z.string().nullable().optional(), category_icon: z.string().nullable().optional(), category_color: z.string().nullable().optional(), status: z.string().nullable().optional(), source: z.string().nullable().optional(), transfer_pair_id: z.string().nullable().optional(), is_transfer: z.boolean().optional(), is_ignored: z.boolean().optional(), exclude_from_pnl: z.boolean().optional()});

export const transactionCalendarDay = z.object({date: z.string(), in_month: z.boolean(), ending_balance: z.number(), income: z.number().optional(), expense: z.number().optional(), transfer_net: z.number().optional(), actual_income: z.number().optional(), actual_expense: z.number().optional(), actual_transfer_net: z.number().optional(), projected_income: z.number().optional(), projected_expense: z.number().optional(), projected_transfer_net: z.number().optional(), actual_count: z.number().int().optional(), projected_count: z.number().int().optional(), has_income: z.boolean().optional(), has_expense: z.boolean().optional(), has_transfer: z.boolean().optional(), items: z.array(transactionCalendarItem).optional()});

export const transactionCalendarResponse = z.object({month: z.string(), currency: z.string(), account_ids: z.array(z.string()).nullable().optional(), days: z.array(transactionCalendarDay)});

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
};

/**
 * Transaction Calendar
 * 
 * GET /api/transactions/calendar
 */
export const getApiApiTransactionsCalendar = async (args: GetApiApiTransactionsCalendarArgs, options: GetApiApiTransactionsCalendarOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

if (args.month != null) query.append("month", String(args.month))
if (args.account_id != null) query.append("account_id", String(args.account_id))
for (const item of args.account_ids ?? []) query.append("account_ids", String(item))
if (args['X-Workspace-Id'] != null) headers.set("X-Workspace-Id", String(args['X-Workspace-Id']))
if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/transactions/calendar${query.size > 0 ? `?${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(transactionCalendarResponse, await res.json())
};