import Vapor
import Foundation
import Clairvoyant


private(set) var server: CapServer!
private(set) var monitor: PropertyManager!

public func configure(_ app: Application) throws {

    let resourceDirectory = URL(fileURLWithPath: app.directory.resourcesDirectory)
    let publicDirectory = app.directory.publicDirectory

    let config = Config(loadFrom: resourceDirectory)

    server = CapServer(in: URL(fileURLWithPath: publicDirectory),
                       writers: config.writers)

    monitor = .init(logFolder: config.logURL, serverOwner: server)
    monitor.update(status: .initializing)

    server.registerProperties(with: monitor)
    monitor.registerRoutes(app)

    app.http.server.configuration.port = config.port
    app.routes.defaultMaxBodySize = .init(stringLiteral: config.maxBodySize)

    if config.serveFiles {
        let middleware = FileMiddleware(publicDirectory: publicDirectory)
        app.middleware.use(middleware)
    }

    do {
        try server.loadData()
    } catch {
        monitor.update(status: .initializationFailure)
        return
    }

    // Register routes to the router
    routes(app)

    monitor.update(status: .nominal)
}

func log(_ message: String) {
    monitor.log(message)
    print(message)
}