import {z} from 'zod'

export type LabelListParameters = string;

export type Id = number;

export type PurchaseOrderNumber = number;

export type DiscountType = 'fixed' | 'percentage' | null;

export type TaxType = 'fixed' | 'percentage' | null;

export type CustomFields = Record<string, never> | null;

export type CreateApiPurchaseOrdersArgs = {body: {description?: (string | null) | undefined, label_list?: LabelListParameters | undefined, vendor_id?: Id | undefined, part_location_id?: number | undefined, number: PurchaseOrderNumber, discount_type?: DiscountType | undefined, discount_percentage?: number | undefined, discount?: number | undefined, shipping?: number | undefined, tax_1_percentage?: number | undefined, tax_1?: number | undefined, tax_1_type?: TaxType | undefined, tax_2_percentage?: number | undefined, tax_2?: number | undefined, tax_2_type?: TaxType | undefined, custom_fields?: CustomFields | undefined, purchase_order_line_items_attributes?: (Array<{part_id?: number | undefined, quantity?: number | undefined, unit_cost?: number | undefined}>) | undefined}};

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

export const id = z.number().int().gte(1);

export const createdAt = z.string();

export const updatedAt = z.string();

export const discountType = z.enum(["fixed", "percentage"]).nullable();

export const taxType = z.enum(["fixed", "percentage"]).nullable();

export const purchaseOrderNumber = z.number().int();

export const labelList = z.array(z.string().max(255));

export const purchaseOrderState = z.enum(["draft", "submitted_for_approval", "rejected", "approved", "purchased", "received_partial", "received_full", "closed"]).nullable();

export const customFields = z.object({}).nullable();

export const nullableId = z.number().int().gte(1).nullable();

export const purchaseOrderCreated = z.object({id: id, created_at: createdAt.optional(), updated_at: updatedAt.optional(), discount_type: discountType, discount_percentage: z.number().nullable(), discount_cents: z.number().int().nullable().optional(), tax_1_type: taxType, tax_1_percentage: z.number().nullable(), tax_1_cents: z.number().int().nullable().optional(), tax_2_type: taxType, tax_2_percentage: z.number().nullable(), tax_2_cents: z.number().int().nullable().optional(), shipping_cents: z.number().int().nullable().optional(), account_id: id, number: purchaseOrderNumber, description: z.string().nullable(), label_list: labelList, submitted_for_approval_at: z.string().nullable(), rejected_at: z.string().nullable(), approved_at: z.string().nullable(), purchased_at: z.string().nullable(), received_partial_at: z.string().nullable(), received_full_at: z.string().nullable(), closed_at: z.string().nullable(), state: purchaseOrderState, custom_fields: customFields, part_location_id: z.number().int().gte(1).nullable(), vendor_id: z.number().int().gte(1).nullable(), purchase_order_status_id: nullableId.optional(), created_by_id: z.number().int().gte(1).nullable().optional(), rejected_by_id: z.number().int().gte(1).nullable().optional(), submitted_for_approval_by_id: z.number().int().gte(1).nullable().optional(), approved_by_id: z.number().int().gte(1).nullable().optional(), purchased_by_id: z.number().int().gte(1).nullable().optional(), received_partial_by_id: z.number().int().gte(1).nullable().optional(), received_full_by_id: z.number().int().gte(1).nullable().optional(), closed_by_id: z.number().int().gte(1).nullable().optional(), documents_count: z.number().int().nullable(), comments_count: z.number().int().nullable(), subtotal_cents: z.number().int().nullable().optional(), total_amount_cents: z.number().int().nullable().optional(), watchers_count: z.number().int().optional(), watchable_options: z.object({}).optional(), bulk_watch_record: z.boolean().optional(), skip_automatic_watchers_callbacks: z.boolean().optional()}).nullable();

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
};

/**
 * Create Purchase Orders
 * 
 * POST /purchase_orders
 */
export const createApiPurchaseOrders = async (args: CreateApiPurchaseOrdersArgs, options?: CreateApiPurchaseOrdersOptions) => {
const {baseUrl = "https://secure.fleetio.com/api", fetch: fetchFn = fetch, apiKey, accountToken} = options ?? {}

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

if (apiKey !== undefined) headers.set("Authorization", apiKey)
if (accountToken !== undefined) headers.set("Account-Token", accountToken)

const url = `${baseUrl.replace(/\/+$/, '')}/purchase_orders${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(purchaseOrderCreated, await res.json())
};