// MascotView.swift — the ClipWizard mascot, drawn as a faded
// full-window watermark behind the working UI (same treatment as
// WaveWizard's). PNG generated via bin/gen-mascot.mjs; the view
// degrades to empty if the asset hasn't been generated yet.
import AppKit

final class MascotView: NSView {
    private let image: NSImage? = {
        let bundle = Bundle.module
        if let url = bundle.url(forResource: "clipwizard-mascot",
                                withExtension: "png",
                                subdirectory: "Assets"),
           let img = NSImage(contentsOf: url) {
            return img
        }
        if let url = bundle.url(forResource: "clipwizard-mascot", withExtension: "png"),
           let img = NSImage(contentsOf: url) {
            return img
        }
        let here = FileManager.default.currentDirectoryPath
        let fallback = "\(here)/clip-wizard/Sources/ClipWizard/Assets/clipwizard-mascot.png"
        return NSImage(contentsOfFile: fallback)
    }()

    override var wantsDefaultClipping: Bool { false }

    override func draw(_ dirtyRect: NSRect) {
        guard let img = image else { return }
        let imgAR = img.size.width / img.size.height
        let viewAR = bounds.width / bounds.height
        var drawRect = bounds
        if imgAR > viewAR {
            let w = bounds.height * imgAR
            drawRect = NSRect(x: (bounds.width - w) * 0.5, y: 0, width: w, height: bounds.height)
        } else {
            let h = bounds.width / imgAR
            drawRect = NSRect(x: 0, y: (bounds.height - h) * 0.5, width: bounds.width, height: h)
        }
        img.draw(in: drawRect, from: .zero, operation: .sourceOver, fraction: 0.14)
    }
}