//
//  BaseItemDto+Display.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 Foundation

extension BaseItemPerson: Identifiable {}

extension BaseItemDto: Identifiable {}

extension SearchHint {
    public var runtimeString: String {
        guard let ticks = runTimeTicks else { return "" }
        let totalSeconds = Int(ticks / 10_000_000)
        let hours = totalSeconds / 3600
        let minutes = (totalSeconds % 3600) / 60
        if hours > 0 { return "\(hours)h \(minutes)m" }
        return "\(minutes)m"
    }
}

extension BaseItemDto {
    public var runtimeString: String {
        guard let ticks = runTimeTicks else { return "" }
        let totalSeconds = Int(ticks / 10_000_000)
        let hours = totalSeconds / 3600
        let minutes = (totalSeconds % 3600) / 60
        if hours > 0 { return "\(hours)h \(minutes)m" }
        return "\(minutes)m"
    }

    public var yearString: String? {
        productionYear.map(String.init)
    }

    public var episodePlacementString: String? {
        guard let seasonNumber = parentIndexNumber else { return nil }
        guard let episodeNumber = indexNumber else { return nil }
        guard let episodeName = name else { return nil }
        return "S\(seasonNumber):E\(episodeNumber) - \(episodeName)"
    }

    public var primaryImageTag: String? {
        imageTags?.additionalProperties["Primary"]
    }

    public var seriesRunYears: String? {
        guard isShow else { return nil }
        guard let startYear = yearString else { return nil }
        guard status == "Ended" else { return "\(startYear) - Present" }
        guard let endDate else { return nil }
        let endYear = String(Calendar.current.component(.year, from: endDate))
        return startYear == endYear ? startYear : "\(startYear) - \(endYear)"
    }

    public var backdropImageTag: String? {
        backdropImageTags?.first
    }

    public var type: BaseItemKind? {
        _type?.value1
    }

    public var isShow: Bool {
        _type?.value1 == .series
    }

    public var displayType: DisplayType {
        return switch type {
        case .season: .season
        case .episode: .episode
        case .movie: .movie
        case .person: .person
        case .series: .series
        default: .mixed
        }
    }

    public var childDisplayType: DisplayType? {
        return switch type {
        case .season: .episode
        case .episode: .none
        case .movie: .none
        case .person: .mixed
        case .series: .season
        default: .mixed
        }
    }
}