import NIOSSL
import Fluent
import FluentPostgresDriver
import Vapor
import JWT

extension String {
    var bytes: [UInt8] { .init(self.utf8) }
}

extension JWKIdentifier {
    static let `public` = JWKIdentifier(string: "public")
    static let `private` = JWKIdentifier(string: "private")
}

// configures your application
public func configure(_ app: Application) async throws {
    
    let privateKey = try String(contentsOfFile: app.directory.workingDirectory + "jwtRS256.key")
    let privateSigner = try JWTSigner.rs256(key: .private(pem: privateKey.bytes))
    
    let publicKey = try String(contentsOfFile: app.directory.workingDirectory + "jwtRS256.key.pub")
    let publicSigner = try JWTSigner.rs256(key: .public(pem: publicKey.bytes))
     
    app.jwt.signers.use(privateSigner, kid: .private)
    app.jwt.signers.use(publicSigner, kid: .public, isDefault: true)
    
    app.middleware.use(CORSMiddleware())
    let corsConfiguration = CORSMiddleware.Configuration(
        allowedOrigin: .all,
        allowedMethods: [.GET, .POST, .PUT, .OPTIONS, .DELETE, .PATCH],
        allowedHeaders: [.accept, .authorization, .contentType, .origin, .xRequestedWith, .userAgent, .accessControlAllowOrigin]
    )
    let cors = CORSMiddleware(configuration: corsConfiguration)
    app.middleware.use(cors, at: .beginning)
    
    app.http.server.configuration.port = 3004
    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") ?? "mcarman",
        password: Environment.get("DATABASE_PASSWORD") ?? "@ng31F@rm0823262",
        database: Environment.get("DATABASE_NAME") ?? "trainingdb",
        tls:  .prefer(try .init(configuration: .clientDefault)))
    ), as: .psql)


    app.logger.logLevel = .debug
    
    try await doMigrations(app)
    
    // register routes
    try routes(app)
}