aotds-docks/src/dux/weaponry/weapons/index.js

import matches from 'lodash/matches.js';
import Updux from "updux";
import { action, payload } from "ts-action";
import u from "@yanick/updeep";
import { createSelector } from "reselect";
import { weapon_cost_mass } from "../../weapons/rules";

const add_weapon = action("add_weapon", payload());
const remove_weapon = action("remove_weapon", payload());

const uu = (transform) => (state) => transform(state)(state);

const with_reqs = uu((weapon) => u(weapon_cost_mass(weapon)));

const dux = new Updux({
  initial: [],
});

const weapon_initial = {
  beam: {
    weapon_type: "beam",
    weapon_class: 1,
    arcs: ["F", "A", "FS", "FP", "AS", "AP"],
  },
  submunition: {
    weapon_type: "submunition",
    arcs: ["F"],
  },
  pds: { weapon_type: "pds" },
  scattergun: { weapon_type: "scattergun" },
  needle: { weapon_type: "needle", arcs: ["F"] },
};

dux.addMutation(add_weapon, (type) => (state) => {
  const id = 1 + Math.max(0, ...state.map(({ id }) => id));
  return [...state, { ...with_reqs(weapon_initial[type]), id }];
});

dux.addMutation(remove_weapon, (id) => (state) =>
  state.filter((w) => w.id !== id)
);

const set_weapon = action("set_weapon", payload());

dux.addMutation(set_weapon, (payload) =>
  u.map(
    u.if(matches({ id: payload.id }), (state) => with_reqs(u(payload, state)))
  )
);

export default dux.asDux;