//! Tests for the #[derive(UnityComponent)] macro

use cursebreaker_parser::{ComponentContext, FileID, UnityComponent};

/// Test component matching the PlaySFX script from VR_Horror_YouCantRun
#[derive(Debug, Clone, UnityComponent)]
#[unity_class("PlaySFX")]
struct PlaySFX {
    #[unity_field("volume")]
    volume: f64,

    #[unity_field("startTime")]
    start_time: f64,

    #[unity_field("endTime")]
    end_time: f64,

    #[unity_field("isLoop")]
    is_loop: bool,
}

/// Test component with different field types
#[derive(Debug, Clone, UnityComponent)]
#[unity_class("TestComponent")]
struct TestComponent {
    #[unity_field("floatValue")]
    float_value: f32,

    #[unity_field("intValue")]
    int_value: i32,

    #[unity_field("stringValue")]
    string_value: String,

    #[unity_field("boolValue")]
    bool_value: bool,
}

#[test]
fn test_play_sfx_parsing() {
    let yaml_str = r#"
volume: 0.75
startTime: 1.5
endTime: 3.0
isLoop: 1
"#;

    let yaml: serde_yaml::Value = serde_yaml::from_str(yaml_str).unwrap();
    let mapping = yaml.as_mapping().unwrap();

    let ctx = ComponentContext {
        type_id: 114,
        file_id: FileID::from_i64(12345),
        class_name: "PlaySFX",
        entity: None,
        linking_ctx: None,
        yaml: mapping,
    };

    let result = PlaySFX::parse(mapping, &ctx);
    assert!(result.is_some(), "Failed to parse PlaySFX component");

    let component = result.unwrap();
    assert_eq!(component.volume, 0.75);
    assert_eq!(component.start_time, 1.5);
    assert_eq!(component.end_time, 3.0);
    assert_eq!(component.is_loop, true);
}

#[test]
fn test_play_sfx_default_values() {
    // Test with missing fields (should use Default::default())
    let yaml_str = r#"
volume: 0.5
"#;

    let yaml: serde_yaml::Value = serde_yaml::from_str(yaml_str).unwrap();
    let mapping = yaml.as_mapping().unwrap();

    let ctx = ComponentContext {
        type_id: 114,
        file_id: FileID::from_i64(12345),
        class_name: "PlaySFX",
        entity: None,
        linking_ctx: None,
        yaml: mapping,
    };

    let result = PlaySFX::parse(mapping, &ctx);
    assert!(result.is_some(), "Failed to parse PlaySFX component with defaults");

    let component = result.unwrap();
    assert_eq!(component.volume, 0.5);
    assert_eq!(component.start_time, 0.0); // Default for f64
    assert_eq!(component.end_time, 0.0); // Default for f64
    assert_eq!(component.is_loop, false); // Default for bool
}

#[test]
fn test_test_component_parsing() {
    let yaml_str = r#"
floatValue: 3.14
intValue: 42
stringValue: "Hello, Unity!"
boolValue: 1
"#;

    let yaml: serde_yaml::Value = serde_yaml::from_str(yaml_str).unwrap();
    let mapping = yaml.as_mapping().unwrap();

    let ctx = ComponentContext {
        type_id: 114,
        file_id: FileID::from_i64(67890),
        class_name: "TestComponent",
        entity: None,
        linking_ctx: None,
        yaml: mapping,
    };

    let result = TestComponent::parse(mapping, &ctx);
    assert!(result.is_some(), "Failed to parse TestComponent");

    let component = result.unwrap();
    assert!((component.float_value - 3.14_f32).abs() < 0.001);
    assert_eq!(component.int_value, 42);
    assert_eq!(component.string_value, "Hello, Unity!");
    assert_eq!(component.bool_value, true);
}

#[test]
fn test_component_registration() {
    // Verify that components are registered in the inventory
    let mut found_play_sfx = false;
    let mut found_test_component = false;

    for reg in inventory::iter::<cursebreaker_parser::ComponentRegistration> {
        if reg.class_name == "PlaySFX" {
            found_play_sfx = true;
            assert_eq!(reg.type_id, 114);
        }
        if reg.class_name == "TestComponent" {
            found_test_component = true;
            assert_eq!(reg.type_id, 114);
        }
    }

    assert!(
        found_play_sfx,
        "PlaySFX component was not registered in inventory"
    );
    assert!(
        found_test_component,
        "TestComponent was not registered in inventory"
    );
}

#[test]
fn test_component_registration_parser() {
    // Test that the registered parser function works
    let yaml_str = r#"
volume: 0.8
startTime: 2.0
endTime: 4.0
isLoop: 0
"#;

    let yaml: serde_yaml::Value = serde_yaml::from_str(yaml_str).unwrap();
    let mapping = yaml.as_mapping().unwrap();

    let ctx = ComponentContext {
        type_id: 114,
        file_id: FileID::from_i64(11111),
        class_name: "PlaySFX",
        entity: None,
        linking_ctx: None,
        yaml: mapping,
    };

    // Find the PlaySFX registration and call its parser
    for reg in inventory::iter::<cursebreaker_parser::ComponentRegistration> {
        if reg.class_name == "PlaySFX" {
            let result = (reg.parser)(mapping, &ctx);
            assert!(result.is_some(), "Registered parser failed to parse");

            // Downcast to verify it's the right type
            let boxed = result.unwrap();
            assert!(
                boxed.downcast_ref::<PlaySFX>().is_some(),
                "Parsed component is not PlaySFX type"
            );

            return;
        }
    }

    panic!("PlaySFX registration not found");
}