"use strict";
/**
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
    return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
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};
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
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            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
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    finally {
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        finally { if (e) throw e.error; }
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};
Object.defineProperty(exports, "__esModule", { value: true });
var error_1 = require("./error");
function generateFieldLookup(keys) {
    var lookup = {};
    keys.forEach(function (name, idx) {
        lookup[name] = idx;
    });
    return lookup;
}
/**
 * Records make up the contents of the {@link Result}, and is how you access
 * the output of a query. A simple query might yield a result stream
 * with a single record, for instance:
 *
 *     MATCH (u:User) RETURN u.name, u.age
 *
 * This returns a stream of records with two fields, named `u.name` and `u.age`,
 * each record represents one user found by the query above. You can access
 * the values of each field either by name:
 *
 *     record.get("u.name")
 *
 * Or by it's position:
 *
 *     record.get(0)
 *
 * @access public
 */
var Record = /** @class */ (function () {
    /**
     * Create a new record object.
     * @constructor
     * @protected
     * @param {string[]} keys An array of field keys, in the order the fields appear in the record
     * @param {Array} fields An array of field values
     * @param {Object} fieldLookup An object of fieldName -> value index, used to map
     *                            field names to values. If this is null, one will be
     *                            generated.
     */
    function Record(keys, fields, fieldLookup) {
        /**
         * Field keys, in the order the fields appear in the record.
         * @type {string[]}
         */
        this.keys = keys;
        /**
         * Number of fields
         * @type {Number}
         */
        this.length = keys.length;
        this._fields = fields;
        this._fieldLookup = fieldLookup !== null && fieldLookup !== void 0 ? fieldLookup : generateFieldLookup(keys);
    }
    /**
     * Run the given function for each field in this record. The function
     * will get three arguments - the value, the key and this record, in that
     * order.
     *
     * @param {function(value: Object, key: string, record: Record)} visitor the function to apply to each field.
     * @returns {void} Nothing
     */
    Record.prototype.forEach = function (visitor) {
        var e_1, _a;
        try {
            for (var _b = __values(this.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
                var _d = __read(_c.value, 2), key = _d[0], value = _d[1];
                visitor(value, key, this);
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_1) throw e_1.error; }
        }
    };
    /**
     * Run the given function for each field in this record. The function
     * will get three arguments - the value, the key and this record, in that
     * order.
     *
     * @param {function(value: Object, key: string, record: Record)} visitor the function to apply on each field
     * and return a value that is saved to the returned Array.
     *
     * @returns {Array}
     */
    Record.prototype.map = function (visitor) {
        var e_2, _a;
        var resultArray = [];
        try {
            for (var _b = __values(this.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
                var _d = __read(_c.value, 2), key = _d[0], value = _d[1];
                resultArray.push(visitor(value, key, this));
            }
        }
        catch (e_2_1) { e_2 = { error: e_2_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_2) throw e_2.error; }
        }
        return resultArray;
    };
    /**
     * Iterate over results. Each iteration will yield an array
     * of exactly two items - the key, and the value (in order).
     *
     * @generator
     * @returns {IterableIterator<Array>}
     */
    Record.prototype.entries = function () {
        var i;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    i = 0;
                    _a.label = 1;
                case 1:
                    if (!(i < this.keys.length)) return [3 /*break*/, 4];
                    return [4 /*yield*/, [this.keys[i], this._fields[i]]];
                case 2:
                    _a.sent();
                    _a.label = 3;
                case 3:
                    i++;
                    return [3 /*break*/, 1];
                case 4: return [2 /*return*/];
            }
        });
    };
    /**
     * Iterate over values.
     *
     * @generator
     * @returns {IterableIterator<Object>}
     */
    Record.prototype.values = function () {
        var i;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    i = 0;
                    _a.label = 1;
                case 1:
                    if (!(i < this.keys.length)) return [3 /*break*/, 4];
                    return [4 /*yield*/, this._fields[i]];
                case 2:
                    _a.sent();
                    _a.label = 3;
                case 3:
                    i++;
                    return [3 /*break*/, 1];
                case 4: return [2 /*return*/];
            }
        });
    };
    /**
     * Iterate over values. Delegates to {@link Record#values}
     *
     * @generator
     * @returns {IterableIterator<Object>}
     */
    Record.prototype[Symbol.iterator] = function () {
        var i;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    i = 0;
                    _a.label = 1;
                case 1:
                    if (!(i < this.keys.length)) return [3 /*break*/, 4];
                    return [4 /*yield*/, this._fields[i]];
                case 2:
                    _a.sent();
                    _a.label = 3;
                case 3:
                    i++;
                    return [3 /*break*/, 1];
                case 4: return [2 /*return*/];
            }
        });
    };
    /**
     * Generates an object out of the current Record
     *
     * @returns {Object}
     */
    Record.prototype.toObject = function () {
        var e_3, _a;
        // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
        var obj = {};
        try {
            for (var _b = __values(this.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
                var _d = __read(_c.value, 2), key = _d[0], value = _d[1];
                obj[key] = value;
            }
        }
        catch (e_3_1) { e_3 = { error: e_3_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_3) throw e_3.error; }
        }
        return obj;
    };
    /**
     * Get a value from this record, either by index or by field key.
     *
     * @param {string|Number} key Field key, or the index of the field.
     * @returns {*}
     */
    Record.prototype.get = function (key) {
        var index;
        if (!(typeof key === 'number')) {
            index = this._fieldLookup[key];
            if (index === undefined) {
                throw (0, error_1.newError)("This record has no field with key '".concat(key.toString(), "', available keys are: [") +
                    this.keys.toString() +
                    '].');
            }
        }
        else {
            index = key;
        }
        if (index > this._fields.length - 1 || index < 0) {
            throw (0, error_1.newError)("This record has no field with index '" +
                index.toString() +
                "'. Remember that indexes start at `0`, " +
                'and make sure your query returns records in the shape you meant it to.');
        }
        return this._fields[index];
    };
    /**
     * Check if a value from this record, either by index or by field key, exists.
     *
     * @param {string|Number} key Field key, or the index of the field.
     * @returns {boolean}
     */
    Record.prototype.has = function (key) {
        // if key is a number, we check if it is in the _fields array
        if (typeof key === 'number') {
            return key >= 0 && key < this._fields.length;
        }
        // if it's not a number, we check _fieldLookup dictionary directly
        return this._fieldLookup[key] !== undefined;
    };
    return Record;
}());
exports.default = Record;
