import { defaultGqlPermission, defaultPermission } from "@tailor-platform/erp-kit/core";
import { db } from "@tailor-platform/sdk";
import { costLayer } from "./costLayer";

const builtins = () => {
  return {
    costLayerId: db
      .uuid()
      .relation({
        type: "n-1",
        toward: { type: costLayer, as: "costLayer" },
        backward: "fifoCosts",
      })
      .description("Layer this cost row prices"),
    version: db.int().description("1-based price version within the layer"),
    unitCost: db.decimal().description("Unit cost of the layer as of this version"),
  };
};

export function createFifoCostType() {
  return db
    .table("FifoCost", {
      ...builtins(),
      createdAt: db.fields.timestamps().createdAt,
    })
    .indexes({
      fields: ["costLayerId", "version"],
      unique: true,
      name: "fifo_cost_layer_version_unique_idx",
    })
    .permission(defaultPermission)
    .gqlPermission(defaultGqlPermission);
}

export const fifoCost = createFifoCostType();