import {z} from 'zod'

export type IncludeFilter = {include: string};

export type EqFilter = {eq: string};

export type EqLtLteGtGteFilter = {eq: string} | {lt: string} | {lte: string} | {gt: string} | {gte: string};

export type LtLteGtGteFilter = {lt: string} | {lte: string} | {gt: string} | {gte: string};

export type SortAscDescDefaultDesc = 'asc' | 'desc';

export type SortAscDesc = 'asc' | 'desc';

export type GetApiMeterEntriesArgs = {start_cursor?: string | undefined, per_page?: number | undefined, filter?: ({category?: IncludeFilter | undefined, meterable_type?: IncludeFilter | undefined, meterable_id?: EqFilter | undefined, vehicle_id?: EqFilter | undefined, date?: EqLtLteGtGteFilter | undefined, created_at?: LtLteGtGteFilter | undefined, updated_at?: LtLteGtGteFilter | undefined}) | undefined, sort?: ({id?: SortAscDescDefaultDesc | undefined, date?: SortAscDesc | undefined, created_at?: SortAscDesc | undefined, updated_at?: SortAscDesc | undefined}) | undefined};

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

export const includeFilter = z.object({include: z.string()});

export const eqFilter = z.object({eq: z.string()});

export const eqLtLteGtGteFilter = z.union([z.object({eq: z.string()}), z.object({lt: z.string()}), z.object({lte: z.string()}), z.object({gt: z.string()}), z.object({gte: z.string()})]);

export const ltLteGtGteFilter = z.union([z.object({lt: z.string()}), z.object({lte: z.string()}), z.object({gt: z.string()}), z.object({gte: z.string()})]);

export const sortAscDesc = z.enum(["asc", "desc"]);

export const meterEntrySummary = z.object({id: z.number().int(), auto_voided_at: z.string().nullable(), category: z.enum(["starting", "ending", "nightly", "manual"]).nullable(), meter_type: z.enum(["primary", "secondary"]), meterable_id: z.number().int().nullable(), meterable_type: z.enum(["FuelEntry", "Issue", "PurchaseDetail", "ServiceEntry", "SubmittedInspectionItem", "VehicleAssignment", "WorkOrder"]).nullable(), value: z.string(), vehicle_id: z.number().int().nullable(), void: z.boolean(), type: z.literal("GpsMeterEntry").nullable(), gps_provider: z.object({}).nullable(), date: z.string()});

export const getApiMeterEntriesResponse = z.object({start_cursor: z.string().nullable().optional(), next_cursor: z.string().nullable().optional(), per_page: z.number().int().optional(), estimated_remaining_count: z.number().int().optional(), filtered_by: z.array(z.union([z.object({category: includeFilter.optional()}), z.object({meterable_type: includeFilter.optional()}), z.object({meterable_id: eqFilter.optional()}), z.object({vehicle_id: eqFilter.optional()}), z.object({date: eqLtLteGtGteFilter.optional()}), z.object({created_at: ltLteGtGteFilter.optional()}), z.object({updated_at: ltLteGtGteFilter.optional()})])).optional(), sorted_by: z.array(z.union([z.object({date: sortAscDesc.optional()}), z.object({created_at: sortAscDesc.optional()}), z.object({updated_at: sortAscDesc.optional()}), z.object({id: sortAscDesc.optional()})])).optional(), records: z.array(meterEntrySummary).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 Meter Entries
 * 
 * GET /meter_entries
 */
export const getApiMeterEntries = async (args: GetApiMeterEntriesArgs, options?: GetApiMeterEntriesOptions) => {
const {baseUrl = "https://secure.fleetio.com/api", fetch: fetchFn = fetch, apiKey, accountToken} = options ?? {}

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

if (args.start_cursor != null) query.append("start_cursor", String(args.start_cursor))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.filter != null) query.append("filter", JSON.stringify(args.filter))
if (args.sort != null) query.append("sort", JSON.stringify(args.sort))
if (apiKey !== undefined) headers.set("Authorization", apiKey)
if (accountToken !== undefined) headers.set("Account-Token", accountToken)

const url = `${baseUrl.replace(/\/+$/, '')}/meter_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(getApiMeterEntriesResponse, await res.json())
};