import {z} from 'zod'

export type GetApiBooksLineEntriesArgs = {booksId?: string | undefined, startDate: string, endDate: string, ledgerIds?: Array<unknown> | undefined, opposingLedgerIds?: Array<unknown> | undefined, debitCredit?: ('debit' | 'credit') | undefined, minAmount?: number | undefined, maxAmount?: number | undefined, sort?: (Array<'descriptionAsc' | 'descriptionDesc' | 'datetimeAsc' | 'datetimeDesc' | 'creditAsc' | 'creditDesc' | 'debitAsc' | 'debitDesc' | 'journalEntryIdAsc' | 'journalEntryIdDesc' | 'ledgerNameAsc' | 'ledgerNameDesc' | 'contraLedgerNameAsc' | 'contraLedgerNameDesc' | 'tagNameAsc' | 'tagNameDesc'>) | undefined, pageToken?: string | undefined, limit?: number | undefined};

export type GetApiBooksLineEntriesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const booksTag = z.object({id: z.string(), name: z.string(), tagGroupId: z.string()});

export const booksAPILineEntry = z.object({amount: z.number(), datetime: z.string(), debitCredit: z.enum(["debit", "credit"]), description: z.string().nullable().optional(), id: z.string(), journalEntryDescription: z.string(), journalEntryId: z.string(), ledgerId: z.string(), ledgerName: z.string(), opposingLedgerIds: z.array(z.string()), tags: z.array(booksTag)});

export const getBooksAPILineEntriesResponse = z.object({lineEntries: z.array(booksAPILineEntry), nextPageToken: z.string().nullable().optional(), prevPageToken: z.string().nullable().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 line entries (general ledger activity) across ledgers
 * 
 * GET /books/line-entries
 */
export const getApiBooksLineEntries = async (args: GetApiBooksLineEntriesArgs, options?: GetApiBooksLineEntriesOptions) => {
const {baseUrl = "https://api.mercury.com/api/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.booksId != null) query.append("booksId", String(args.booksId))
if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
for (const item of args.ledgerIds ?? []) query.append("ledgerIds", String(item))
for (const item of args.opposingLedgerIds ?? []) query.append("opposingLedgerIds", String(item))
if (args.debitCredit != null) query.append("debitCredit", String(args.debitCredit))
if (args.minAmount != null) query.append("minAmount", String(args.minAmount))
if (args.maxAmount != null) query.append("maxAmount", String(args.maxAmount))
for (const item of args.sort ?? []) query.append("sort", String(item))
if (args.pageToken != null) query.append("pageToken", String(args.pageToken))
if (args.limit != null) query.append("limit", String(args.limit))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/books/line-entries${query.size > 0 ? `?${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(getBooksAPILineEntriesResponse, await res.json())
};