//
//  MediaRow.swift
//
//  Copyright 2026 Brendan Szymanski <hello@bscubed.dev>
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
//  SPDX-License-Identifier: GPL-3.0-or-later
//

import Adwaita
import Foundation
import LuminateCore
import LuminateDI

public struct MediaRow: View {

    public var title: String
    public var items: [BaseItemDto]
    public var type: DisplayType
    public var onSeeAll: (() -> Void)?

    @Binding public var navigation: NavigationStack<Page>

    @Injected(\.client) private var client

    public init(
        title: String,
        items: [BaseItemDto],
        type: DisplayType = .mixed,
        navigation: Binding<NavigationStack<Page>>,
        onSeeAll: @escaping () -> Void
    ) {
        self.title = title
        self.items = items
        self.type = type
        _navigation = navigation
        self.onSeeAll = onSeeAll
    }

    public var view: Body {
        VStack(spacing: 16) {
            HStack {
                Text(title)
                    .title3()
                    .halign(.start)

                if let onSeeAll {
                    Button("See All") {
                        onSeeAll()
                    }
                    .halign(.end)
                    .hexpand()
                }
            }
            .halign(.fill)

            ScrollView {
                ForEach(items, horizontal: true) { item in
                    HomePosterCell(
                        itemId: type.itemId(for: item),
                        title: type.title(for: item),
                        subtitle: type.subtitle(for: item),
                        width: type.itemWidth(),
                        imageAspectRatio: type.aspectRatio
                    ) {
                        if let childDisplayType = item.childDisplayType {
                            navigation.push(.item(item: item, type: childDisplayType))
                        }
                        if item.type == .movie {
                            navigation.push(.movieDetail(item: item))
                        }
                    }
                    .padding(16, .trailing)
                }
            }
            .vscrollbarPolicy(.never)
            .hscrollbarPolicy(.external)
            .style("undershoot-start")
            .style("undershoot-end")
        }
    }
}