import {z} from 'zod'

export type GetApiSheetArgs = {tab: 'books' | 'vat', range: string, customer_id?: string | undefined, limit?: number | undefined, offset?: number | undefined, sort?: ('' | 'newest' | 'oldest' | 'amount' | 'category' | 'status') | undefined};

export type GetApiSheetOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const portalSheet = z.object({customer: z.record(z.string(), z.unknown()).optional(), active_tab: z.enum(["books", "vat"]).optional(), sheet_status: z.record(z.string(), z.unknown()).optional(), selected_range: z.string().optional(), available_ranges: z.array(z.record(z.string(), z.unknown())).optional(), summary_cards: z.array(z.record(z.string(), z.unknown())).optional(), columns: z.array(z.record(z.string(), z.unknown())).optional(), rows: z.array(z.record(z.string(), z.unknown())).optional(), row_window: z.record(z.string(), z.unknown()).optional(), sort: z.string().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
};

/**
 * Get the Books or VAT sheet
 * 
 * GET /sheet
 */
export const getApiSheet = async (args: GetApiSheetArgs, options?: GetApiSheetOptions) => {
const {baseUrl = "https://api.app.lastaccountingcompany.com/portal", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.tab != null) query.append("tab", String(args.tab))
if (args.range != null) query.append("range", String(args.range))
if (args.customer_id != null) query.append("customer_id", String(args.customer_id))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.sort != null) query.append("sort", String(args.sort))
if (apiKey !== undefined) headers.set('authorization', `Bearer ${apiKey}`)

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