import Fluent
import FluentPostgresDriver
import Vapor
import NIOSSL

// configures your application
public func configure(_ app: Application) throws {
    // uncomment to serve files from /Public folder
    app.middleware.use(FileMiddleware(publicDirectory: app.directory.publicDirectory))

    app.databases.use(.postgres(hostname: "db", username: "vapor", password: "vapor", database: "vapor"), as: .psql)

    app.migrations.add(CreateUser())
    app.migrations.add(CreatePosts())
    app.migrations.add(CreateMessage())

    // this makes it so session cookies are issued
    app.middleware.use(app.sessions.middleware)
    app.sessions.use(.memory)

    app.passwords.use(.bcrypt(cost: 4))

    try app.autoMigrate().wait()

    try app.http.server.configuration.tlsConfiguration = .makeServerConfiguration(
        certificateChain: NIOSSLCertificate.fromPEMFile("/certificates/fullchain.pem").map { .certificate($0) },
        privateKey: .file("/certificates/privkey.pem")
    )

    // CORS policy
    let corsConfiguration = CORSMiddleware.Configuration(
        allowedOrigin: .originBased,
        allowedMethods: [.GET, .POST, .PUT, .OPTIONS, .DELETE, .PATCH],
        allowedHeaders: [.accept, .authorization, .contentType, .origin, .xRequestedWith, .userAgent, .accessControlAllowOrigin],
        allowCredentials: true
    )
    let cors = CORSMiddleware(configuration: corsConfiguration)
    // cors middleware should come before default error middleware using `at: .beginning`
    app.middleware.use(cors, at: .beginning)

    
    // register routes
    try routes(app)
}