import {z} from 'zod'

export type AcquisitionTypeFilter = {eq: 'loan' | 'lease'};

export type LikeEqFilter = {like: string} | {eq: 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 GetApiAcquisitionsArgs = {start_cursor?: string | undefined, per_page?: number | undefined, filter?: ({acquisition_type?: AcquisitionTypeFilter | undefined, reference_number?: LikeEqFilter | undefined, vehicle_id?: EqFilter | undefined, lender_id?: EqFilter | undefined, vendor_id?: EqFilter | undefined, acquisition_date?: EqLtLteGtGteFilter | undefined, created_at?: LtLteGtGteFilter | undefined, updated_at?: LtLteGtGteFilter | undefined}) | undefined, sort?: ({id?: SortAscDescDefaultDesc | undefined, acquisition_date?: SortAscDesc | undefined, created_at?: SortAscDesc | undefined, updated_at?: SortAscDesc | undefined}) | undefined};

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

export const acquisitionTypeFilter = z.object({eq: z.enum(["loan", "lease"])});

export const likeEqFilter = z.union([z.object({like: z.string()}), z.object({eq: 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 vehicleMini = z.object({id: z.number().int(), name: z.string(), color: z.string().nullable().optional(), license_plate: z.string().nullable().optional(), vin: z.string().nullable().optional(), year: z.string().nullable().optional(), make: z.string().nullable().optional(), model: z.string().nullable().optional(), trim: z.string().nullable().optional(), registration_expiration_month: z.number().int().gte(0).lte(12).nullable().optional(), registration_state: z.string().nullable().optional(), default_image_url_small: z.string().nullable().optional()});

export const vendorMini = z.object({name: z.string(), phone: z.string().nullable(), city: z.string().nullable(), region: z.string().nullable(), postal_code: z.string().nullable(), country: z.string().nullable(), external_id: z.string().nullable()}).nullable();

export const acquisitionSummary = z.object({id: z.number().int().optional(), vehicle_id: z.number().int(), acquisition_type: z.enum(["loan", "lease"]), vendor_id: z.number().int().nullable(), lender_id: z.number().int().nullable(), first_payment_date: z.string().nullable(), number_of_payments: z.number().int().nullable(), mileage_cap: z.number().int().nullable(), annual_percentage_rate: z.string().nullable(), reference_number: z.string().nullable(), notes: z.string().nullable(), loan_amount_cents: z.number().int().nullable(), down_payment_amount_cents: z.number().int().nullable(), monthly_cost_cents: z.number().int().nullable(), capitalized_cost_cents: z.number().int().nullable(), residual_value_cents: z.number().int().nullable(), purchase_price_cents: z.number().int().nullable(), mileage_charge_cents: z.number().int().nullable(), acquisition_date: z.string().nullable(), acquisition_end_date: z.string().nullable().optional(), vehicle: vehicleMini, lender: vendorMini, vendor: vendorMini});

export const getApiAcquisitionsResponse = 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({acquisition_type: acquisitionTypeFilter.optional()}), z.object({reference_number: likeEqFilter.optional()}), z.object({vehicle_id: eqFilter.optional()}), z.object({lender_id: eqFilter.optional()}), z.object({vendor_id: eqFilter.optional()}), z.object({acquisition_date: eqLtLteGtGteFilter.optional()}), z.object({created_at: ltLteGtGteFilter.optional()}), z.object({updated_at: ltLteGtGteFilter.optional()})])).optional(), sorted_by: z.array(z.union([z.object({updated_at: sortAscDesc.optional()}), z.object({created_at: sortAscDesc.optional()}), z.object({id: sortAscDesc.optional()})])).optional(), records: z.array(acquisitionSummary).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 Acquisitions
 * 
 * GET /acquisitions
 */
export const getApiAcquisitions = async (args: GetApiAcquisitionsArgs, options?: GetApiAcquisitionsOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/acquisitions${query.size > 0 ? `?${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(getApiAcquisitionsResponse, await res.json())
};