use domain::entities::{AssetStack, StackMemberRole, StackType};
use domain::errors::DomainError;
use domain::value_objects::SystemId;

#[test]
fn new_stack_contains_primary() {
    let primary = SystemId::new();
    let stack = AssetStack::new(StackType::LivePhoto, primary.clone(), SystemId::new());
    assert_eq!(stack.members.len(), 1);
    assert_eq!(stack.members[0].asset_id, primary);
    assert_eq!(stack.members[0].role, StackMemberRole::PrimaryDisplay);
    assert_eq!(stack.members[0].sort_order, 0);
}

#[test]
fn add_motion_clip() {
    let mut stack = AssetStack::new(StackType::LivePhoto, SystemId::new(), SystemId::new());
    let clip_id = SystemId::new();
    stack.add_member(clip_id.clone(), StackMemberRole::MotionClip).unwrap();
    assert_eq!(stack.members.len(), 2);
    assert_eq!(stack.members[1].asset_id, clip_id);
    assert_eq!(stack.members[1].sort_order, 1);
}

#[test]
fn cannot_add_duplicate() {
    let primary = SystemId::new();
    let mut stack = AssetStack::new(StackType::LivePhoto, primary.clone(), SystemId::new());
    let result = stack.add_member(primary, StackMemberRole::HighResSource);
    assert!(matches!(result, Err(DomainError::Conflict(_))));
}