//
//  AboutView.swift
//  oAI
//
//  About modal with app icon and version info
//
// 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

struct AboutView: View {
    @Environment(\.dismiss) var dismiss

    private var appVersion: String {
        Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "1.0"
    }

    private var buildNumber: String {
        Bundle.main.infoDictionary?["CFBundleVersion"] as? String ?? "1"
    }

    var body: some View {
        VStack(spacing: 16) {
            Spacer().frame(height: 8)

            Image("AppLogo")
                .resizable()
                .aspectRatio(contentMode: .fit)
                .frame(width: 128, height: 128)
                .clipShape(RoundedRectangle(cornerRadius: 24))
                .shadow(color: .cyan.opacity(0.3), radius: 12)

            Text("oAI")
                .font(.system(size: 28, weight: .bold))

            Text("Version \(appVersion) (\(buildNumber))")
                .font(.callout)
                .foregroundStyle(.secondary)

            Text("Multi-provider AI chat client")
                .font(.subheadline)
                .foregroundStyle(.secondary)

            Divider()
                .padding(.horizontal, 40)

            VStack(spacing: 4) {
                Text("© 2026 [Rune Olsen](https://blog.rune.pm)")
                    .font(.caption)
                    .foregroundStyle(.secondary)

                Text("[GNU Affero General Public License v3.0](https://www.gnu.org/licenses/agpl-3.0.html)")
                    .font(.caption)
                    .foregroundStyle(.secondary)

                Text("Built with SwiftUI")
                    .font(.caption)
                    .foregroundStyle(.tertiary)
            }

            Spacer().frame(height: 4)

            Button("OK") { dismiss() }
                .keyboardShortcut(.return, modifiers: [])
                .keyboardShortcut(.escape, modifiers: [])
                .buttonStyle(.borderedProminent)
                .controlSize(.regular)

            Spacer().frame(height: 20)
        }
        .frame(width: 320, height: 390)
    }
}

#Preview {
    AboutView()
}