import Cocoa
import UniformTypeIdentifiers

class SettingsWindow: NSWindowController {
    private var databasePathField: NSTextField?
    private var mountPointField: NSTextField?
    
    convenience init() {
        let window = NSWindow(
            contentRect: NSRect(x: 0, y: 0, width: 400, height: 200),
            styleMask: [.titled, .closable, .miniaturizable],
            backing: .buffered,
            defer: false
        )
        
        window.title = "MarkBaseFS Settings"
        window.center()
        
        self.init(window: window)
        
        setupUI()
    }
    
    private func setupUI() {
        guard let window = window else { return }
        
        let contentView = NSView(frame: window.contentRect(forFrameRect: window.frame))
        
        let databaseLabel = NSTextField(frame: NSRect(x: 20, y: 150, width: 100, height: 24))
        databaseLabel.stringValue = "Database Path:"
        databaseLabel.isEditable = false
        databaseLabel.isBezeled = false
        databaseLabel.drawsBackground = false
        contentView.addSubview(databaseLabel)
        
        databasePathField = NSTextField(frame: NSRect(x: 120, y: 150, width: 200, height: 24))
        databasePathField?.stringValue = DatabaseConfig().getCurrentDatabasePath()
        contentView.addSubview(databasePathField!)
        
        let browseButton = NSButton(frame: NSRect(x: 330, y: 150, width: 50, height: 24))
        browseButton.title = "Browse"
        browseButton.bezelStyle = .rounded
        browseButton.target = self
        browseButton.action = #selector(browseDatabase)
        contentView.addSubview(browseButton)
        
        let mountLabel = NSTextField(frame: NSRect(x: 20, y: 100, width: 100, height: 24))
        mountLabel.stringValue = "Mount Point:"
        mountLabel.isEditable = false
        mountLabel.isBezeled = false
        mountLabel.drawsBackground = false
        contentView.addSubview(mountLabel)
        
        mountPointField = NSTextField(frame: NSRect(x: 120, y: 100, width: 260, height: 24))
        mountPointField?.stringValue = "/Volumes/MarkBase_warren"
        contentView.addSubview(mountPointField!)
        
        let applyButton = NSButton(frame: NSRect(x: 200, y: 20, width: 80, height: 24))
        applyButton.title = "Apply"
        applyButton.bezelStyle = .rounded
        applyButton.target = self
        applyButton.action = #selector(applySettings)
        contentView.addSubview(applyButton)
        
        let cancelButton = NSButton(frame: NSRect(x: 300, y: 20, width: 80, height: 24))
        cancelButton.title = "Cancel"
        cancelButton.bezelStyle = .rounded
        cancelButton.target = self
        cancelButton.action = #selector(cancelSettings)
        contentView.addSubview(cancelButton)
        
        window.contentView = contentView
    }
    
    @objc func browseDatabase() {
        let openPanel = NSOpenPanel()
        if let sqliteType = UTType(filenameExtension: "sqlite") {
            openPanel.allowedContentTypes = [sqliteType]
        }
        openPanel.allowsMultipleSelection = false
        
        if openPanel.runModal() == .OK {
            if let url = openPanel.url {
                databasePathField?.stringValue = url.path
            }
        }
    }
    
    @objc func applySettings() {
        print("Settings applied")
        close()
    }
    
    @objc func cancelSettings() {
        print("Settings cancelled")
        close()
    }
}