import CoreGraphics
import Data
import Observation

@Observable
public final class HabitDragCoordinator {
    public var draggedHabit: Habit?
    public var dragLocation: CGPoint = .zero
    public var pendingDrop = false

    public var isActive: Bool {
        draggedHabit != nil
    }

    public init() {}

    public func begin(habit: Habit, at location: CGPoint) {
        draggedHabit = habit
        dragLocation = location
        pendingDrop = false
    }

    public func move(to location: CGPoint) {
        dragLocation = location
    }

    public func drop() {
        pendingDrop = true
    }

    public func end() {
        draggedHabit = nil
        dragLocation = .zero
        pendingDrop = false
    }
}