mod support;

use application::ConfigService;
use domain::{
    AlignItems, ConfigRepository, ContainerNode, DataSource, DataSourceConfig, DataSourceType,
    Direction, DisplayHint, DisplayHintKind, DomainEvent, JustifyContent, KeyMapping, Layout,
    LayoutChild, LayoutNode, LayoutPreset, Sizing, WidgetConfig,
};
use std::time::Duration;
use support::{InMemoryConfigRepository, InMemoryEventPublisher};

#[tokio::test]
async fn create_widget_persists_and_emits_event() {
    let repo = InMemoryConfigRepository::new();
    let events = InMemoryEventPublisher::new();
    let service = ConfigService::new(&repo, &events);

    let config = WidgetConfig::new(
        1,
        "weather".into(),
        DisplayHint::new(DisplayHintKind::IconValue),
        1,
        vec![KeyMapping {
            source_path: "$.temp".into(),
            target_key: "temperature".into(),
        }],
    );

    service.create_widget(config).await.unwrap();

    let stored = repo.get_widget(1).await.unwrap();
    assert!(stored.is_some());

    let emitted = events.emitted();
    assert_eq!(emitted.len(), 1);
    assert!(matches!(emitted[0], DomainEvent::WidgetCreated { id: 1 }));
}

#[tokio::test]
async fn create_data_source_rejects_invalid() {
    let repo = InMemoryConfigRepository::new();
    let events = InMemoryEventPublisher::new();
    let service = ConfigService::new(&repo, &events);

    let source = DataSource {
        id: 1,
        name: "bad".into(),
        source_type: DataSourceType::HttpJson,
        poll_interval: Duration::from_secs(60),
        config: DataSourceConfig {
            url: None,
            headers: vec![],
            api_key: None,
        },
    };

    let result = service.create_data_source(source).await;
    assert!(result.is_err());
    assert!(events.emitted().is_empty());
}

#[tokio::test]
async fn create_data_source_persists_valid_and_emits_event() {
    let repo = InMemoryConfigRepository::new();
    let events = InMemoryEventPublisher::new();
    let service = ConfigService::new(&repo, &events);

    let source = DataSource {
        id: 1,
        name: "weather".into(),
        source_type: DataSourceType::Weather,
        poll_interval: Duration::from_secs(300),
        config: DataSourceConfig {
            url: Some("https://api.weather.com".into()),
            headers: vec![],
            api_key: None,
        },
    };

    service.create_data_source(source).await.unwrap();

    let stored = repo.get_data_source(1).await.unwrap();
    assert!(stored.is_some());

    let emitted = events.emitted();
    assert_eq!(emitted.len(), 1);
    assert!(matches!(emitted[0], DomainEvent::DataSourceAdded { id: 1 }));
}

#[tokio::test]
async fn update_layout_persists_and_emits_event() {
    let repo = InMemoryConfigRepository::new();
    let events = InMemoryEventPublisher::new();
    let service = ConfigService::new(&repo, &events);

    let layout = Layout {
        root: LayoutNode::Container(ContainerNode {
            direction: Direction::Row,
            gap: 4,
            padding: 2,
            justify_content: JustifyContent::Start,
            align_items: AlignItems::Stretch,
            children: vec![
                LayoutChild {
                    sizing: Sizing::Flex(1),
                    node: LayoutNode::Leaf(1),
                },
                LayoutChild {
                    sizing: Sizing::Flex(1),
                    node: LayoutNode::Leaf(2),
                },
            ],
        }),
    };

    service.update_layout(layout.clone()).await.unwrap();

    let stored = repo.get_layout().await.unwrap();
    assert_eq!(stored, Some(layout));

    assert_eq!(events.emitted().len(), 1);
    assert!(matches!(
        events.emitted()[0],
        DomainEvent::LayoutChanged { .. }
    ));
}

#[tokio::test]
async fn load_preset_replaces_active_layout() {
    let repo = InMemoryConfigRepository::new();
    let events = InMemoryEventPublisher::new();
    let service = ConfigService::new(&repo, &events);

    let preset_layout = Layout {
        root: LayoutNode::Container(ContainerNode {
            direction: Direction::Column,
            gap: 0,
            padding: 0,
            justify_content: JustifyContent::Start,
            align_items: AlignItems::Stretch,
            children: vec![LayoutChild {
                sizing: Sizing::Flex(1),
                node: LayoutNode::Leaf(5),
            }],
        }),
    };

    let preset = LayoutPreset {
        id: 1,
        name: "vertical".into(),
        layout: preset_layout.clone(),
    };

    repo.save_preset(&preset).await.unwrap();

    service.load_preset(1).await.unwrap();

    let stored = repo.get_layout().await.unwrap();
    assert_eq!(stored, Some(preset_layout));

    let emitted = events.emitted();
    assert_eq!(emitted.len(), 2);
    assert!(matches!(
        emitted[0],
        DomainEvent::LayoutPresetLoaded { id: 1 }
    ));
    assert!(matches!(emitted[1], DomainEvent::LayoutChanged { .. }));
}