"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RelationQueryBuilder = void 0;
var tslib_1 = require("tslib");
var QueryBuilder_1 = require("./QueryBuilder");
var RelationUpdater_1 = require("./RelationUpdater");
var RelationRemover_1 = require("./RelationRemover");
var error_1 = require("../error");
/**
 * Allows to work with entity relations and perform specific operations with those relations.
 *
 * todo: add transactions everywhere
 */
var RelationQueryBuilder = /** @class */ (function (_super) {
    (0, tslib_1.__extends)(RelationQueryBuilder, _super);
    function RelationQueryBuilder() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    // -------------------------------------------------------------------------
    // Public Implemented Methods
    // -------------------------------------------------------------------------
    /**
     * Gets generated sql query without parameters being replaced.
     */
    RelationQueryBuilder.prototype.getQuery = function () {
        return "";
    };
    // -------------------------------------------------------------------------
    // Public Methods
    // -------------------------------------------------------------------------
    /**
     * Sets entity (target) which relations will be updated.
     */
    RelationQueryBuilder.prototype.of = function (entity) {
        this.expressionMap.of = entity;
        return this;
    };
    /**
     * Sets entity relation's value.
     * Value can be entity, entity id or entity id map (if entity has composite ids).
     * Works only for many-to-one and one-to-one relations.
     * For many-to-many and one-to-many relations use #add and #remove methods instead.
     */
    RelationQueryBuilder.prototype.set = function (value) {
        return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
            var relation, updater;
            return (0, tslib_1.__generator)(this, function (_a) {
                relation = this.expressionMap.relationMetadata;
                if (!this.expressionMap.of) // todo: move this check before relation query builder creation?
                    throw new error_1.TypeORMError("Entity whose relation needs to be set is not set. Use .of method to define whose relation you want to set.");
                if (relation.isManyToMany || relation.isOneToMany)
                    throw new error_1.TypeORMError("Set operation is only supported for many-to-one and one-to-one relations. " +
                        "However given \"".concat(relation.propertyPath, "\" has ").concat(relation.relationType, " relation. ") +
                        "Use .add() method instead.");
                // if there are multiple join columns then user must send id map as "value" argument. check if he really did it
                if (relation.joinColumns &&
                    relation.joinColumns.length > 1 &&
                    (!(value instanceof Object) || Object.keys(value).length < relation.joinColumns.length))
                    throw new error_1.TypeORMError("Value to be set into the relation must be a map of relation ids, for example: .set({ firstName: \"...\", lastName: \"...\" })");
                updater = new RelationUpdater_1.RelationUpdater(this, this.expressionMap);
                return [2 /*return*/, updater.update(value)];
            });
        });
    };
    /**
     * Adds (binds) given value to entity relation.
     * Value can be entity, entity id or entity id map (if entity has composite ids).
     * Value also can be array of entities, array of entity ids or array of entity id maps (if entity has composite ids).
     * Works only for many-to-many and one-to-many relations.
     * For many-to-one and one-to-one use #set method instead.
     */
    RelationQueryBuilder.prototype.add = function (value) {
        return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
            var relation, updater;
            return (0, tslib_1.__generator)(this, function (_a) {
                if (Array.isArray(value) && value.length === 0)
                    return [2 /*return*/];
                relation = this.expressionMap.relationMetadata;
                if (!this.expressionMap.of) // todo: move this check before relation query builder creation?
                    throw new error_1.TypeORMError("Entity whose relation needs to be set is not set. Use .of method to define whose relation you want to set.");
                if (relation.isManyToOne || relation.isOneToOne)
                    throw new error_1.TypeORMError("Add operation is only supported for many-to-many and one-to-many relations. " +
                        "However given \"".concat(relation.propertyPath, "\" has ").concat(relation.relationType, " relation. ") +
                        "Use .set() method instead.");
                // if there are multiple join columns then user must send id map as "value" argument. check if he really did it
                if (relation.joinColumns &&
                    relation.joinColumns.length > 1 &&
                    (!(value instanceof Object) || Object.keys(value).length < relation.joinColumns.length))
                    throw new error_1.TypeORMError("Value to be set into the relation must be a map of relation ids, for example: .set({ firstName: \"...\", lastName: \"...\" })");
                updater = new RelationUpdater_1.RelationUpdater(this, this.expressionMap);
                return [2 /*return*/, updater.update(value)];
            });
        });
    };
    /**
     * Removes (unbinds) given value from entity relation.
     * Value can be entity, entity id or entity id map (if entity has composite ids).
     * Value also can be array of entities, array of entity ids or array of entity id maps (if entity has composite ids).
     * Works only for many-to-many and one-to-many relations.
     * For many-to-one and one-to-one use #set method instead.
     */
    RelationQueryBuilder.prototype.remove = function (value) {
        return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
            var relation, remover;
            return (0, tslib_1.__generator)(this, function (_a) {
                if (Array.isArray(value) && value.length === 0)
                    return [2 /*return*/];
                relation = this.expressionMap.relationMetadata;
                if (!this.expressionMap.of) // todo: move this check before relation query builder creation?
                    throw new error_1.TypeORMError("Entity whose relation needs to be set is not set. Use .of method to define whose relation you want to set.");
                if (relation.isManyToOne || relation.isOneToOne)
                    throw new error_1.TypeORMError("Add operation is only supported for many-to-many and one-to-many relations. " +
                        "However given \"".concat(relation.propertyPath, "\" has ").concat(relation.relationType, " relation. ") +
                        "Use .set(null) method instead.");
                remover = new RelationRemover_1.RelationRemover(this, this.expressionMap);
                return [2 /*return*/, remover.remove(value)];
            });
        });
    };
    /**
     * Adds (binds) and removes (unbinds) given values to/from entity relation.
     * Value can be entity, entity id or entity id map (if entity has composite ids).
     * Value also can be array of entities, array of entity ids or array of entity id maps (if entity has composite ids).
     * Works only for many-to-many and one-to-many relations.
     * For many-to-one and one-to-one use #set method instead.
     */
    RelationQueryBuilder.prototype.addAndRemove = function (added, removed) {
        return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
            return (0, tslib_1.__generator)(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.remove(removed)];
                    case 1:
                        _a.sent();
                        return [4 /*yield*/, this.add(added)];
                    case 2:
                        _a.sent();
                        return [2 /*return*/];
                }
            });
        });
    };
    /**
     * Gets entity's relation id.
    async getId(): Promise<any> {

    }*/
    /**
     * Gets entity's relation ids.
    async getIds(): Promise<any[]> {
        return [];
    }*/
    /**
     * Loads a single entity (relational) from the relation.
     * You can also provide id of relational entity to filter by.
     */
    RelationQueryBuilder.prototype.loadOne = function () {
        return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
            return (0, tslib_1.__generator)(this, function (_a) {
                return [2 /*return*/, this.loadMany().then(function (results) { return results[0]; })];
            });
        });
    };
    /**
     * Loads many entities (relational) from the relation.
     * You can also provide ids of relational entities to filter by.
     */
    RelationQueryBuilder.prototype.loadMany = function () {
        return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
            var of, metadata;
            return (0, tslib_1.__generator)(this, function (_a) {
                of = this.expressionMap.of;
                if (!(of instanceof Object)) {
                    metadata = this.expressionMap.mainAlias.metadata;
                    if (metadata.hasMultiplePrimaryKeys)
                        throw new error_1.TypeORMError("Cannot load entity because only one primary key was specified, however entity contains multiple primary keys");
                    of = metadata.primaryColumns[0].createValueMap(of);
                }
                return [2 /*return*/, this.connection.relationLoader.load(this.expressionMap.relationMetadata, of, this.queryRunner)];
            });
        });
    };
    return RelationQueryBuilder;
}(QueryBuilder_1.QueryBuilder));
exports.RelationQueryBuilder = RelationQueryBuilder;

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