#[slhx::surface]
pub mod ui {}

#[cfg(test)]
mod tests {
    use super::ui::{board, board_card};
    use hemplate::Hemplate;
    use scraper::{Html, Selector};
    use slhx::{Effect, IntoEffect, Payload, RenderSlotExt};
    use slhx_test::inspect;

    #[derive(Hemplate)]
    #[hemplate = "partials"]
    struct BoardColumns {
        columns: Vec<String>,
    }

    #[allow(dead_code)]
    #[derive(Clone, Debug)]
    #[slhx::form("create_card")]
    struct CreateCard {
        title: String,
        column: String,
    }

    // req: examples/001 req: codegen/002 req: list/003
    #[test]
    fn kanban_board_updates_generated_slot() {
        fn render_board() -> impl IntoEffect {
            board::slots::board.render(&empty_board())
        }

        let effect = inspect(render_board());
        assert!(effect.has_slot(board::slots::board));
        assert!(matches!(effect.ops(), [Effect::Put { payload: Payload::Html(_), .. }]));
    }

    // req: html_safety/002 req: view/001 req: test/005
    #[test]
    fn kanban_board_test_payload_is_rendered_by_a_hemplate_view() {
        let html = super::ui::render(&empty_board());
        let document = Html::parse_fragment(html.as_str());
        assert_eq!(document.select(&selector(".columns")).count(), 1);
    }

    fn empty_board() -> BoardColumns {
        // req: html_safety/002 req: view/001
        BoardColumns { columns: Vec::new() }
    }

    fn selector(value: &str) -> Selector {
        Selector::parse(value).expect("test selector parses")
    }

    // req: examples/001 req: form/001 req: form/004 req: form/006 req: derive_handler/003
    #[test]
    fn kanban_form_handler_is_checked_against_hemplate_form() {
        #[slhx::handler]
        fn create_card(_form: slhx::Form<CreateCard>) -> impl IntoEffect {
            board::slots::notice.text("queued")
        }

        let effect = inspect(create_card(CreateCard::FORM));

        assert!(effect.has_slot(board::slots::notice));
        assert!(matches!(effect.ops(), [Effect::Put { payload: Payload::Text(_), .. }]));
    }

    // req: examples/001 req: form/002 req: codegen/003
    #[test]
    fn kanban_template_exports_form_and_card_handles() {
        assert_ne!(board::handles::create_card.id(), board_card::handles::move_right.id());
        assert_eq!(board::forms::create_card.field("title").resource, board::forms::create_card.id());
    }
}