//
//  PreferencesRow.swift
//  Adwaita
//
//  Created by auto-generation on 15.08.24.
//

import CAdw
import LevenshteinTransformations

/// A [class@Gtk.ListBoxRow] used to present preferences.
/// 
/// The `AdwPreferencesRow` widget has a title that [class@PreferencesDialog]
/// will use to let the user look for a preference. It doesn't present the title
/// in any way and lets you present the preference as you please.
/// 
/// [class@ActionRow] and its derivatives are convenient to use as preference
/// rows as they take care of presenting the preference's title while letting you
/// compose the inputs of the preference around it.
public struct PreferencesRow: AdwaitaWidget {

    /// Additional update functions for type extensions.
    var updateFunctions: [(ViewStorage, WidgetData, Bool) -> Void] = []
    /// Additional appear functions for type extensions.
    var appearFunctions: [(ViewStorage, WidgetData) -> Void] = []

    /// The title of the preference represented by this row.
    /// 
    /// The title is interpreted as Pango markup unless
    /// [property@PreferencesRow:use-markup] is set to `FALSE`.
    var title: String?
    /// Whether the user can copy the title from the label.
    /// 
    /// See also [property@Gtk.Label:selectable].
    var titleSelectable: Bool?
    /// Whether to use Pango markup for the title label.
    /// 
    /// Subclasses may also use it for other labels, such as subtitle.
    /// 
    /// See also [func@Pango.parse_markup].
    var useMarkup: Bool?
    /// Whether an embedded underline in the title indicates a mnemonic.
    var useUnderline: Bool?

    /// Initialize `PreferencesRow`.
    public init() {
    }

    /// The view storage.
    /// - Parameters:
    ///     - modifiers: Modify views before being updated.
    ///     - type: The view render data type.
    /// - Returns: The view storage.
    public func container<Data>(data: WidgetData, type: Data.Type) -> ViewStorage where Data: ViewRenderData {
        let storage = ViewStorage(adw_preferences_row_new()?.opaque())
        for function in appearFunctions {
            function(storage, data)
        }
        update(storage, data: data, updateProperties: true, type: type)

        return storage
    }

    /// Update the stored content.
    /// - Parameters:
    ///     - storage: The storage to update.
    ///     - modifiers: Modify views before being updated
    ///     - updateProperties: Whether to update the view's properties.
    ///     - type: The view render data type.
    public func update<Data>(_ storage: ViewStorage, data: WidgetData, updateProperties: Bool, type: Data.Type) where Data: ViewRenderData {
        storage.modify { widget in

            if let title, updateProperties, (storage.previousState as? Self)?.title != title {
                adw_preferences_row_set_title(widget?.cast(), title)
            }
            if let titleSelectable, updateProperties, (storage.previousState as? Self)?.titleSelectable != titleSelectable {
                adw_preferences_row_set_title_selectable(widget?.cast(), titleSelectable.cBool)
            }
            if let useMarkup, updateProperties, (storage.previousState as? Self)?.useMarkup != useMarkup {
                adw_preferences_row_set_use_markup(widget?.cast(), useMarkup.cBool)
            }
            if let useUnderline, updateProperties, (storage.previousState as? Self)?.useUnderline != useUnderline {
                adw_preferences_row_set_use_underline(widget?.cast(), useUnderline.cBool)
            }


        }
        for function in updateFunctions {
            function(storage, data, updateProperties)
        }
        if updateProperties {
            storage.previousState = self
        }
    }

    /// The title of the preference represented by this row.
    /// 
    /// The title is interpreted as Pango markup unless
    /// [property@PreferencesRow:use-markup] is set to `FALSE`.
    public func title(_ title: String?) -> Self {
        var newSelf = self
        newSelf.title = title
        
        return newSelf
    }

    /// Whether the user can copy the title from the label.
    /// 
    /// See also [property@Gtk.Label:selectable].
    public func titleSelectable(_ titleSelectable: Bool? = true) -> Self {
        var newSelf = self
        newSelf.titleSelectable = titleSelectable
        
        return newSelf
    }

    /// Whether to use Pango markup for the title label.
    /// 
    /// Subclasses may also use it for other labels, such as subtitle.
    /// 
    /// See also [func@Pango.parse_markup].
    public func useMarkup(_ useMarkup: Bool? = true) -> Self {
        var newSelf = self
        newSelf.useMarkup = useMarkup
        
        return newSelf
    }

    /// Whether an embedded underline in the title indicates a mnemonic.
    public func useUnderline(_ useUnderline: Bool? = true) -> Self {
        var newSelf = self
        newSelf.useUnderline = useUnderline
        
        return newSelf
    }

}
