// RenderBroV.swift  (pass any argument to render the app + menu bar icons instead) — renders the real BotEngine in every state to a PNG.
// Run: bash scripts/render-brov.sh  → /tmp/brov-states.png
import Foundation
import SwiftUI
import AppKit

// MARK: - Stubs (substitutes for app-only types)

@MainActor
final class SoundEngine {
    static let shared = SoundEngine()
    var enabled: Bool = false
    func play(_ name: String) {}
}

extension Notification.Name {
    static let botDizzy          = Notification.Name("notchBuddy.botDizzy")
    static let botGreet          = Notification.Name("notchBuddy.botGreet")
    static let botBlink          = Notification.Name("notchBuddy.botBlink")
    static let botSetTgEs        = Notification.Name("notchBuddy.botSetTgEs")
    static let botGulp           = Notification.Name("notchBuddy.botGulp")
    static let botMorphTo        = Notification.Name("notchBuddy.botMorphTo")
    static let triggerEmote      = Notification.Name("notchBuddy.triggerEmote")
    static let triggerSlap       = Notification.Name("notchBuddy.triggerSlap")
    static let greetComplete     = Notification.Name("notchBuddy.greetComplete")
    static let greetingHover     = Notification.Name("notchBuddy.greetingHover")
    static let greetingInterrupt = Notification.Name("notchBuddy.greetingInterrupt")
    static let islandAction      = Notification.Name("notchBuddy.islandAction")
    static let islandCollapse    = Notification.Name("notchBuddy.islandCollapse")
    static let hookReveal        = Notification.Name("notchBuddy.hookReveal")
    static let musicReveal       = Notification.Name("notchBuddy.musicReveal")
    static let openFullSettings  = Notification.Name("notchBuddy.openFullSettings")
}

extension Color {
    init(hex: String) {
        let h = hex.trimmingCharacters(in: CharacterSet(charactersIn: "#"))
        let val = UInt64(h, radix: 16) ?? 0
        let r = Double((val >> 16) & 0xFF) / 255
        let g = Double((val >> 8)  & 0xFF) / 255
        let b = Double( val        & 0xFF) / 255
        self.init(red: r, green: g, blue: b)
    }
}


struct StateCell: View {
    let engine: BotEngine
    let label: String
    let size: CGFloat
    var body: some View {
        VStack(spacing: 2) {
            Canvas { ctx, sz in
                engine.drawHandsBehind(context: ctx, size: sz)
                engine.draw(context: ctx, size: sz)
                engine.drawHandsAndExtras(context: ctx, size: sz)
            }
            .frame(width: size, height: size)
            Text(label).font(.system(size: 10, design: .monospaced)).foregroundColor(.gray)
        }
    }
}

@main
struct RenderBroV {
    @MainActor static func main() {
        if CommandLine.arguments.count > 1 { renderIcons(); return }
        var cells: [(BotEngine, String, CGFloat)] = []
        for st in BotState.allCases {
            let e = BotEngine()
            e.setState(st, force: true)
            for _ in 0..<90 { e.update(dt: 1.0 / 60) }
            cells.append((e, st.rawValue, 170))
        }
        let small = BotEngine()
        for _ in 0..<60 { small.update(dt: 1.0 / 60) }
        cells.append((small, "notch-size", 48))
        let view = VStack(alignment: .leading, spacing: 8) {
            ForEach(0..<3, id: \.self) { row in
                HStack(spacing: 8) {
                    ForEach(Array(cells.enumerated()).filter { $0.offset / 4 == row }, id: \.offset) { _, c in
                        StateCell(engine: c.0, label: c.1, size: c.2)
                    }
                }
            }
        }
        .padding(16)
        .background(Color(red: 0.04, green: 0.04, blue: 0.05))
        let r = ImageRenderer(content: view)
        r.scale = 2
        guard let img = r.nsImage, let tiff = img.tiffRepresentation,
              let rep = NSBitmapImageRep(data: tiff), let png = rep.representation(using: .png, properties: [:]) else {
            print("render failed"); return
        }
        try! png.write(to: URL(fileURLWithPath: "/tmp/brov-states.png"))
        print("wrote /tmp/brov-states.png")
    }
}

@MainActor
func savePNG<V: View>(_ view: V, scale: CGFloat, to path: String) {
    let r = ImageRenderer(content: view)
    r.scale = scale
    r.isOpaque = false
    guard let cg = r.cgImage else { print("render failed"); return }
    let rep = NSBitmapImageRep(cgImage: cg)
    try! rep.representation(using: .png, properties: [:])!.write(to: URL(fileURLWithPath: path))
    print("wrote", path)
}

/// /tmp/brov-icon-1024.png (app icon) and /tmp/brov-menubar-{1,2,3}x.png (template unibrow).
@MainActor
func renderIcons() {
    let e = BotEngine()
    e.setState(.approval, force: true)
    for _ in 0..<90 { e.update(dt: 1.0 / 60) }
    let icon = ZStack {
        RoundedRectangle(cornerRadius: 185, style: .continuous)
            .fill(LinearGradient(colors: [Color(hex: "#2B1B2E"), Color(hex: "#0B0A10")], startPoint: .top, endPoint: .bottom))
            .frame(width: 824, height: 824)
        Canvas { ctx, sz in
            e.draw(context: ctx, size: sz)
        }
        .frame(width: 900, height: 900)
        .offset(y: -20)
    }
    .frame(width: 1024, height: 1024)
    savePNG(icon, scale: 1, to: "/tmp/brov-icon-1024.png")

    // Menu bar: a hairy unibrow over two eyes, black on clear (used as a template image).
    let bar = Canvas { ctx, sz in
        let w = sz.width, h = sz.height
        var brow = Path()
        brow.move(to: CGPoint(x: w * 0.06, y: h * 0.42))
        brow.addQuadCurve(to: CGPoint(x: w * 0.5, y: h * 0.40), control: CGPoint(x: w * 0.28, y: h * 0.12))
        brow.addQuadCurve(to: CGPoint(x: w * 0.94, y: h * 0.42), control: CGPoint(x: w * 0.72, y: h * 0.12))
        ctx.stroke(brow, with: .color(.black), style: StrokeStyle(lineWidth: h * 0.2, lineCap: .round))
        for i in 0..<9 {
            let x = w * (0.12 + 0.76 * CGFloat(i) / 8)
            var hair = Path()
            hair.move(to: CGPoint(x: x, y: h * 0.28))
            hair.addLine(to: CGPoint(x: x + w * 0.02, y: h * 0.10))
            ctx.stroke(hair, with: .color(.black), style: StrokeStyle(lineWidth: h * 0.07, lineCap: .round))
        }
        ctx.fill(Path(ellipseIn: CGRect(x: w * 0.20, y: h * 0.56, width: w * 0.20, height: h * 0.34)), with: .color(.black))
        ctx.fill(Path(ellipseIn: CGRect(x: w * 0.60, y: h * 0.60, width: w * 0.15, height: h * 0.26)), with: .color(.black))
    }
    .frame(width: 22, height: 16)
    for s in [1, 2, 3] { savePNG(bar, scale: CGFloat(s), to: "/tmp/brov-menubar-\(s)x.png") }
}