ARK-OS/arkos/frameworks/SwiftUI/Sources/ui_test/main.swift

import Foundation
import ark_ui_basic

// In a real framework, ark_ui_basic would automatically use ArkGraphics as a render backend.
// For now, we simulate the backend processing the SwiftUI View graph.

struct AppUI: View {
    var body: some View {
        ZStack {
            Color.blue
            Button(action: {
                print("Button tapped")
            }) {
                Color.blue
            }
            .background(Color.blue)
        }
    }
}

struct UITestApp {
    static let fontMap: [Character: [String]] = [
        "S": [".###.", "#...#", "#....", ".###.", "....#", "#...#", ".###."],
        "t": [".#...", ".###.", ".#...", ".#...", ".#...", ".#..#", "..##."],
        "a": [".....", ".....", ".###.", "....#", ".####", "#...#", ".####"],
        "r": [".....", ".....", "#.##.", "##..#", "#....", "#....", "#...."],
        "G": [".###.", "#...#", "#....", "#.###", "#...#", "#...#", ".###."],
        "e": [".....", ".....", ".###.", "#...#", "#####", "#....", ".###."],
        "s": [".....", ".....", ".###.", "#....", ".###.", "....#", ".###."],
        "d": ["....#", "....#", ".####", "#...#", "#...#", "#...#", ".####"],
        "-": [".....", ".....", ".....", "#####", ".....", ".....", "....."],
        ">": ["#....", ".#...", "..#..", "...#.", "..#..", ".#...", "#...."],
        " ": [".....", ".....", ".....", ".....", ".....", ".....", "....."]
    ]

    static func drawText(_ graphics: ArkGraphics, _ text: String, x: Int, y: Int, size: Int, r: UInt8, g: UInt8, b: UInt8) {
        var cursorX = x
        for char in text {
            if let lines = fontMap[char] {
                for (row, line) in lines.enumerated() {
                    var cursorY = y + (row * size)
                    for (col, pixel) in line.enumerated() {
                        if pixel == "#" {
                            graphics.fillRectRGB(x: cursorX + (col * size), y: cursorY, w: size, h: size, r: r, g: g, b: b)
                        }
                    }
                }
            }
            cursorX += 6 * size
        }
    }

    static func main() {
        print("ui_test: Starting OS Native UI App (Waiting for splash...)")
        sleep(4) // Wait for atom splash animation to finish (approx 3.8s)

        let graphics = ArkGraphics()

        // 1. Bright White Background so we know it's not a black screen!
        graphics.fillRectRGB(x: 0, y: 0, w: 1024, h: 768, r: 255, g: 255, b: 255)

        // 2. Draw "Get started" button (Bright Blue)
        let btn1W = 280
        let btn1H = 60
        let btn1X = (1024 - btn1W) / 2
        let btn1Y = 300
        graphics.fillRectRGB(x: btn1X, y: btn1Y, w: btn1W, h: btn1H, r: 0, g: 122, b: 255)
        
        // 3. Draw "Start ->" button (Green)
        let btn2W = 280
        let btn2H = 60
        let btn2X = (1024 - btn2W) / 2
        let btn2Y = 400
        graphics.fillRectRGB(x: btn2X, y: btn2Y, w: btn2W, h: btn2H, r: 52, g: 199, b: 89)

        // Draw Text! (Black text)
        drawText(graphics, "Get started", x: btn1X + 45, y: btn1Y + 18, size: 3, r: 0, g: 0, b: 0)
        drawText(graphics, "Start ->", x: btn2X + 65, y: btn2Y + 18, size: 3, r: 0, g: 0, b: 0)

        graphics.pan()
        print("ui_test: UI Layout mapped and sent to Display Daemon.")

        while true {
            sleep(1)
        }
    }
}

UITestApp.main()