//
//  LibraryView.swift
//  Mobile Music Assistant
//
//  Created by Sven Hanold on 26.03.26.
//

import SwiftUI
import UIKit

enum LibraryTab: CaseIterable {
    case albumArtists, artists, albums, playlists, genres, podcasts, radio

    var title: LocalizedStringKey {
        switch self {
        case .albumArtists: return "Album Artists"
        case .artists:      return "Artists"
        case .albums:       return "Albums"
        case .playlists:    return "Playlists"
        case .genres:       return "Genres"
        case .podcasts:     return "Podcasts"
        case .radio:        return "Radio"
        }
    }
}

struct LibraryView: View {
    @Environment(MAService.self) private var service
    @State private var selectedTab: LibraryTab = .albumArtists

    init() {
        UISegmentedControl.appearance().setTitleTextAttributes(
            [.font: UIFont.systemFont(ofSize: 11, weight: .medium)],
            for: .normal
        )
    }

    var body: some View {
        NavigationStack {
            Group {
                switch selectedTab {
                case .albumArtists: ArtistsView(albumArtistsOnly: true)
                case .artists:      ArtistsView()
                case .albums:       AlbumsView()
                case .playlists:    PlaylistsView()
                case .genres:       GenresView()
                case .podcasts:     PodcastsView()
                case .radio:        RadiosView()
                }
            }
            .navigationBarTitleDisplayMode(.inline)
            .toolbar {
                ToolbarItem(placement: .principal) {
                    Picker("Library", selection: $selectedTab) {
                        ForEach(LibraryTab.allCases, id: \.self) { tab in
                            Text(tab.title).tag(tab)
                        }
                    }
                    .pickerStyle(.segmented)
                    .frame(maxWidth: 360)
                }
            }
            .withMANavigation()
        }
    }
}

#Preview {
    LibraryView()
        .environment(MAService())
}