import {z} from 'zod'

export type EqFilter = {eq: string};

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

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

export type GetApiCommentsArgs = {start_cursor?: string | undefined, per_page?: number | undefined, filter?: ({commentable_id?: EqFilter | undefined, commentable_type?: EqFilter | undefined, user_id?: EqFilter | undefined}) | undefined, sort?: ({id?: SortAscDescDefaultDesc | undefined, updated_at?: SortAscDesc | undefined}) | undefined};

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

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

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

export const commentableType = z.enum(["Contact", "FleetcorCard", "FuelEntry", "InventoryJournalEntry", "Issue", "Part", "PurchaseOrder", "ServiceEntry", "ServiceReminder", "SubmittedInspectionItem", "Vehicle", "VehicleAssignment", "Vendor", "WexCard", "WorkOrder"]);

export const contactMini = z.object({id: z.number().int().optional(), email: z.string().nullable().optional(), name: z.string().nullable().optional(), group_id: z.number().int().nullable().optional(), employee: z.boolean().nullable().optional(), employee_number: z.string().nullable().optional(), default_image_url: z.string().nullable().optional()}).nullable();

export const commentSummary = z.object({id: z.number().int(), created_at: z.string().optional(), updated_at: z.string().optional(), commentable_type: commentableType, commentable_id: z.number().int(), user_id: z.number().int(), comment: z.string(), rich_content: z.object({}).nullable(), html_content: z.string().nullable(), with_mentions: z.boolean(), author: contactMini.optional()});

export const getApiCommentsResponse = 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({commentable_id: eqFilter.optional()}), z.object({commentable_type: eqFilter.optional()}), z.object({user_id: eqFilter.optional()})])).optional(), sorted_by: z.array(z.union([z.object({updated_at: sortAscDesc.optional()}), z.object({id: sortAscDesc.optional()})])).optional(), records: z.array(commentSummary).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 Comments
 * 
 * GET /comments
 */
export const getApiComments = async (args: GetApiCommentsArgs, options?: GetApiCommentsOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/comments${query.size > 0 ? `?${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(getApiCommentsResponse, await res.json())
};