import './polyfillNextTick';
import customOpenDatabase from '@expo/websql/custom';
import { requireNativeModule } from 'expo-modules-core';
import { Platform } from 'react-native';
const ExpoSQLite = requireNativeModule('ExpoSQLite');
function zipObject(keys, values) {
    const result = {};
    for (let i = 0; i < keys.length; i++) {
        result[keys[i]] = values[i];
    }
    return result;
}
class SQLiteDatabase {
    _name;
    _closed = false;
    constructor(name) {
        this._name = name;
    }
    exec(queries, readOnly, callback) {
        if (this._closed) {
            throw new Error(`The SQLite database is closed`);
        }
        ExpoSQLite.exec(this._name, queries.map(_serializeQuery), readOnly).then((nativeResultSets) => {
            callback(null, nativeResultSets.map(_deserializeResultSet));
        }, (error) => {
            // TODO: make the native API consistently reject with an error, not a string or other type
            callback(error instanceof Error ? error : new Error(error));
        });
    }
    close() {
        this._closed = true;
        return ExpoSQLite.close(this._name);
    }
    deleteAsync() {
        if (!this._closed) {
            throw new Error(`Unable to delete '${this._name}' database that is currently open. Close it prior to deletion.`);
        }
        return ExpoSQLite.deleteAsync(this._name);
    }
}
function _serializeQuery(query) {
    return [query.sql, Platform.OS === 'android' ? query.args.map(_escapeBlob) : query.args];
}
function _deserializeResultSet(nativeResult) {
    const [errorMessage, insertId, rowsAffected, columns, rows] = nativeResult;
    // TODO: send more structured error information from the native module so we can better construct
    // a SQLException object
    if (errorMessage !== null) {
        return { error: new Error(errorMessage) };
    }
    return {
        insertId,
        rowsAffected,
        rows: rows.map((row) => zipObject(columns, row)),
    };
}
function _escapeBlob(data) {
    if (typeof data === 'string') {
        /* eslint-disable no-control-regex */
        return data
            .replace(/\u0002/g, '\u0002\u0002')
            .replace(/\u0001/g, '\u0001\u0002')
            .replace(/\u0000/g, '\u0001\u0001');
        /* eslint-enable no-control-regex */
    }
    else {
        return data;
    }
}
const _openExpoSQLiteDatabase = customOpenDatabase(SQLiteDatabase);
// @needsAudit @docsMissing
/**
 * Open a database, creating it if it doesn't exist, and return a `Database` object. On disk,
 * the database will be created under the app's [documents directory](./filesystem), i.e.
 * `${FileSystem.documentDirectory}/SQLite/${name}`.
 * > The `version`, `description` and `size` arguments are ignored, but are accepted by the function
 * for compatibility with the WebSQL specification.
 * @param name Name of the database file to open.
 * @param version
 * @param description
 * @param size
 * @param callback
 * @return
 */
export function openDatabase(name, version = '1.0', description = name, size = 1, callback) {
    if (name === undefined) {
        throw new TypeError(`The database name must not be undefined`);
    }
    const db = _openExpoSQLiteDatabase(name, version, description, size, callback);
    db.exec = db._db.exec.bind(db._db);
    db.closeAsync = db._db.close.bind(db._db);
    db.deleteAsync = db._db.deleteAsync.bind(db._db);
    return db;
}
//# sourceMappingURL=SQLite.js.map