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

const builtins = () => {
  return {
    acquisitionCostAdjustmentId: db
      .uuid()
      .relation({
        type: "n-1",
        toward: { type: acquisitionCostAdjustment, as: "acquisitionCostAdjustment" },
        backward: "allocations",
      })
      .description("Adjustment this allocation belongs to"),
    costLayerId: db
      .uuid()
      .relation({
        type: "n-1",
        toward: { type: costLayer, as: "costLayer" },
        backward: "acquisitionCostAdjustmentAllocations",
      })
      .description("Cost layer this adjustment adjusts"),
    amount: db
      .decimal()
      .description("Signed variance amount this adjustment distributed to the cost layer"),
    varianceKind: db
      .enum(ACQUISITION_COST_VARIANCE_KINDS)
      .description("Variance kind this allocation distributes"),
  };
};

export function createAcquisitionCostAdjustmentAllocationType() {
  return db
    .table("AcquisitionCostAdjustmentAllocation", {
      ...builtins(),
      createdAt: db.fields.timestamps().createdAt,
    })
    .permission(defaultPermission)
    .gqlPermission(defaultGqlPermission);
}

export const acquisitionCostAdjustmentAllocation = createAcquisitionCostAdjustmentAllocationType();