use pixstrip_core::operations::watermark::calculate_position;
use pixstrip_core::operations::WatermarkPosition;
use pixstrip_core::types::Dimensions;

#[test]
fn position_top_left() {
    let (x, y) = calculate_position(
        WatermarkPosition::TopLeft,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 10);
    assert_eq!(y, 10);
}

#[test]
fn position_center() {
    let (x, y) = calculate_position(
        WatermarkPosition::Center,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 860);  // (1920 - 200) / 2
    assert_eq!(y, 515);  // (1080 - 50) / 2
}

#[test]
fn position_bottom_right() {
    let (x, y) = calculate_position(
        WatermarkPosition::BottomRight,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 1710); // 1920 - 200 - 10
    assert_eq!(y, 1020); // 1080 - 50 - 10
}

#[test]
fn position_top_center() {
    let (x, y) = calculate_position(
        WatermarkPosition::TopCenter,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 860); // (1920 - 200) / 2
    assert_eq!(y, 10);
}

#[test]
fn position_bottom_center() {
    let (x, y) = calculate_position(
        WatermarkPosition::BottomCenter,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 860);
    assert_eq!(y, 1020);
}

#[test]
fn position_middle_left() {
    let (x, y) = calculate_position(
        WatermarkPosition::MiddleLeft,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 10);
    assert_eq!(y, 515);
}

#[test]
fn position_middle_right() {
    let (x, y) = calculate_position(
        WatermarkPosition::MiddleRight,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 1710);
    assert_eq!(y, 515);
}

#[test]
fn position_top_right() {
    let (x, y) = calculate_position(
        WatermarkPosition::TopRight,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 1710);
    assert_eq!(y, 10);
}

#[test]
fn position_bottom_left() {
    let (x, y) = calculate_position(
        WatermarkPosition::BottomLeft,
        Dimensions { width: 1920, height: 1080 },
        Dimensions { width: 200, height: 50 },
        10,
    );
    assert_eq!(x, 10);
    assert_eq!(y, 1020);
}