"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.traverseProjection = exports.makeProjection = void 0;
const Entity_1 = require("../types/Entity");
const relation_1 = require("../store/relation");
function makeProjection(entity, schema) {
    const { attributes } = schema[entity];
    const attrs = Object.keys(attributes);
    attrs.push(Entity_1.PrimaryKeyAttribute, Entity_1.CreateAtAttribute, Entity_1.UpdateAtAttribute, Entity_1.DeleteAtAttribute);
    const projection = {};
    attrs.forEach((attr) => Object.assign(projection, {
        [attr]: 1,
    }));
    return projection;
}
exports.makeProjection = makeProjection;
function traverseProjection(entity, schema, projection, callback) {
    const access = (entity2, proj) => {
        callback(entity2, proj);
        for (const attr in proj) {
            const rel = (0, relation_1.judgeRelation)(schema, entity2, attr);
            if (rel === 2) {
                access(attr, proj[attr]);
            }
            else if (typeof rel === 'string') {
                access(rel, proj[attr]);
            }
            else if (rel instanceof Array) {
                access(rel[0], proj[attr].data);
            }
        }
    };
    access(entity, projection);
}
exports.traverseProjection = traverseProjection;