Better Way to Organise Weapon Types

I am very new to Unity and working on a 2D shooter. I would like advice on how to better organise the types of weapons that will be used in the game. I have researched on the concept of classes but I am unsure how to use them in this scenario.

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5. public class OBJECTS_WEAPONS : MonoBehaviour
6. {
7.     [SerializeField] string weaponType;
8.     [SerializeField] Transform origin;
9.     [SerializeField] LineRenderer trail;
10.     [SerializeField] GameObject bullet;
11.  
12.     float range, cooldownSeconds, damage, inaccuracy, bulletSpeed;
13.  
14.     bool shooting;
15.     int cooldownFrames;
16.     float shotInaccuracyX, shotInaccuracyY;
17.  
18.     Vector3 shotDir;
19.     GameObject currentBullet;
20.  
21.     IEnumerator Shoot()
22.     {
23.         if(weaponType == "gun.pistolBasic")
24.         {
25.             range = 15;
26.             cooldownSeconds = 0.25f;
27.             damage = 1;
28.             inaccuracy = 0.02f;
29.             bulletSpeed = 500;
30.  
31.             cooldownFrames = Mathf.FloorToInt(cooldownSeconds * 50);
32.  
33.             shotInaccuracyX = Random.Range(-inaccuracy, inaccuracy);
34.             shotInaccuracyY = Random.Range(-inaccuracy, inaccuracy);
35.  
36.             shotDir = origin.forward + new Vector3(shotInaccuracyY, shotInaccuracyX, 0);
37.  
38.             currentBullet = Instantiate(bullet) as GameObject;
39.  
40.             currentBullet.transform.position = origin.transform.position;
41.             currentBullet.transform.rotation = Quaternion.Euler(0, 0, origin.transform.rotation.x);
42.             currentBullet.GetComponent<Rigidbody2D>().velocity = shotDir * bulletSpeed;
43.             currentBullet.GetComponent<OBJECTS_BULLETS_BULLETBASIC>().bulletDamage = damage;
44.  
45.             GetComponent<AudioSource>().Play();
46.         }
47.         yield return null;
48.     }
49.  
50.     private void Update()
51.     {
52.         if (Input.GetMouseButton(0))
53.         {
54.             shooting = true;
55.         }
56.         else
57.         {
58.             shooting = false;
59.         }
60.  
61.         if(cooldownFrames == 0 & shooting)
62.         {
63.             StartCoroutine(Shoot());
64.         }
65.     }
66.  
67.     private void FixedUpdate()
68.     {
69.         if (cooldownFrames > 0)
70.         {
71.             cooldownFrames--;
72.         }
73.     }
74. }
75.  

Any help is appreciated!

 

That's a lot to cover in a single forum post, but if you're feeling brave, I found this system which looks quite well thought out: https://www.radermatthew.com/scriptable-object-practice