import Vapor
import Fluent
import FluentPostgresDriver
import SwiftSMTPVapor

public struct ManageableUsers {
    public static func configure (_ app: Application,
                                  mainMenu: [MenuItem] = [],
                                  homePageName: String = "Home",
                                  userAdminPageName: String = "User Administration",
                                  maxConnectionsPerEventLoop: Int = 1,
                                  connectionPoolTimeout: TimeAmount = .seconds(10),
                                  sqlLogLevel: Logger.Level = .debug) async throws {
        app.databases.use(DatabaseConfigurationFactory.postgres(configuration: .init (hostname: Environment.get("DATABASE_HOST") ?? "localhost",
                                                                                      port: Environment.get("DATABASE_PORT").flatMap(Int.init(_:)) ?? SQLPostgresConfiguration.ianaPortNumber,
                                                                                      username: Environment.get("DATABASE_USERNAME") ?? "sampleapp",
                                                                                      password: Environment.get("DATABASE_PASSWORD") ?? "sampleapp_password",
                                                                                      database: Environment.get("DATABASE_NAME") ?? "sampleapp",
                                                                                      tls: .prefer(try .init(configuration: .clientDefault))),
                                                                maxConnectionsPerEventLoop: maxConnectionsPerEventLoop,
                                                                connectionPoolTimeout: connectionPoolTimeout,
                                                                sqlLogLevel: sqlLogLevel
        ), as: .psql)

        _ = try Environment.baseURL
        _ = try Environment.emailSender

        app.lifecycle.use(SMTPInitializer(configuration: .fromEnvironment()))

        app.views.use(.leaf)
        app.leaf.tags["baseURL"] = BaseURLTag()
        app.leaf.tags["hasRole"] = HasRoleTag()
        app.leaf.tags["mainmenuItems"] = MenuItemsTag (mainMenu + [MenuItem (section: "useradmin", path: "admin", name: userAdminPageName, role: "admin")], homePageName: homePageName)
    }
}