//
//  View+Extensions.swift
//  oAI
//
//  SwiftUI view helpers and modifiers
//
// SPDX-License-Identifier: AGPL-3.0-or-later
// Copyright (C) 2026 Rune Olsen
//
// This file is part of oAI.
//
// oAI is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// oAI is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
// Public License for more details.
//
// You should have received a copy of the GNU Affero General Public
// License along with oAI. If not, see <https://www.gnu.org/licenses/>.


import SwiftUI

extension View {
    // MARK: - Conditional Modifiers
    
    @ViewBuilder
    func `if`<Transform: View>(_ condition: Bool, transform: (Self) -> Transform) -> some View {
        if condition {
            transform(self)
        } else {
            self
        }
    }
    
    @ViewBuilder
    func ifLet<Value, Transform: View>(_ value: Value?, transform: (Self, Value) -> Transform) -> some View {
        if let value = value {
            transform(self, value)
        } else {
            self
        }
    }
    
    // MARK: - Platform-Specific Helpers
    
    #if os(macOS)
    func onCommandReturn(perform action: @escaping () -> Void) -> some View {
        self
        // Note: onKeyPress modifiers don't work in command-line Swift build
        // This will be implemented when running in actual Xcode project
        // For now, using keyboard shortcuts in toolbar instead
    }
    #endif
    
    // MARK: - Common Styling
    
    func oaiCardStyle() -> some View {
        self
            .background(Color.oaiSurface)
            .cornerRadius(8)
            .overlay(
                RoundedRectangle(cornerRadius: 8)
                    .stroke(Color.oaiBorder, lineWidth: 1)
            )
    }
    
    func oaiButton() -> some View {
        self
            .padding(.horizontal, 12)
            .padding(.vertical, 6)
            .background(Color.oaiSurface)
            .foregroundColor(.oaiPrimary)
            .cornerRadius(6)
    }
    
    func oaiTextField() -> some View {
        self
            .padding(8)
            .background(Color.oaiBackground)
            .cornerRadius(6)
            .overlay(
                RoundedRectangle(cornerRadius: 6)
                    .stroke(Color.oaiBorder, lineWidth: 1)
            )
    }
}

// MARK: - Frame Helpers

extension View {
    func frame(square size: CGFloat) -> some View {
        self.frame(width: size, height: size)
    }
}