use adw::prelude::*;

pub fn build_output_page() -> adw::NavigationPage {
    let scrolled = gtk::ScrolledWindow::builder()
        .hscrollbar_policy(gtk::PolicyType::Never)
        .vexpand(true)
        .build();

    let content = gtk::Box::builder()
        .orientation(gtk::Orientation::Vertical)
        .spacing(12)
        .margin_top(12)
        .margin_bottom(12)
        .margin_start(24)
        .margin_end(24)
        .build();

    // Operation summary
    let summary_group = adw::PreferencesGroup::builder()
        .title("Operation Summary")
        .description("Review your processing settings before starting")
        .build();

    let summary_placeholder = adw::ActionRow::builder()
        .title("No operations configured")
        .subtitle("Go back and configure your workflow settings")
        .build();
    summary_placeholder.add_prefix(&gtk::Image::from_icon_name("dialog-information-symbolic"));

    summary_group.add(&summary_placeholder);
    content.append(&summary_group);

    // Output directory
    let output_group = adw::PreferencesGroup::builder()
        .title("Output Directory")
        .build();

    let output_row = adw::ActionRow::builder()
        .title("Output Location")
        .subtitle("processed/ (subfolder next to originals)")
        .activatable(true)
        .build();
    output_row.add_prefix(&gtk::Image::from_icon_name("folder-symbolic"));

    let choose_button = gtk::Button::builder()
        .icon_name("folder-open-symbolic")
        .tooltip_text("Choose output folder")
        .valign(gtk::Align::Center)
        .action_name("win.choose-output")
        .build();
    choose_button.add_css_class("flat");
    output_row.add_suffix(&choose_button);
    output_row.add_suffix(&gtk::Image::from_icon_name("go-next-symbolic"));

    let structure_row = adw::SwitchRow::builder()
        .title("Preserve Directory Structure")
        .subtitle("Keep subfolder hierarchy in output")
        .active(false)
        .build();

    output_group.add(&output_row);
    output_group.add(&structure_row);
    content.append(&output_group);

    // Overwrite behavior
    let overwrite_group = adw::PreferencesGroup::builder()
        .title("If Files Already Exist")
        .build();

    let overwrite_row = adw::ComboRow::builder()
        .title("Overwrite Behavior")
        .subtitle("What to do when output file already exists")
        .build();
    let overwrite_model = gtk::StringList::new(&[
        "Ask before overwriting",
        "Auto-rename with suffix",
        "Always overwrite",
        "Skip existing files",
    ]);
    overwrite_row.set_model(Some(&overwrite_model));

    overwrite_group.add(&overwrite_row);
    content.append(&overwrite_group);

    // Image count
    let stats_group = adw::PreferencesGroup::builder()
        .title("Batch Info")
        .build();

    let count_row = adw::ActionRow::builder()
        .title("Images to process")
        .subtitle("0 images")
        .build();
    count_row.add_prefix(&gtk::Image::from_icon_name("image-x-generic-symbolic"));

    stats_group.add(&count_row);
    content.append(&stats_group);

    scrolled.set_child(Some(&content));

    let clamp = adw::Clamp::builder()
        .maximum_size(600)
        .child(&scrolled)
        .build();

    adw::NavigationPage::builder()
        .title("Output & Process")
        .tag("step-output")
        .child(&clamp)
        .build()
}