package world

import (
	"github.com/google/uuid"
)

// MapItem is the common interface implemented by all world primitives.
type MapItem interface {
	ID() uuid.UUID
}

// Point is a point primitive in fixed-point world coordinates.
type Point struct {
	Id   uuid.UUID
	X, Y int
}

// Line is a line segment primitive in fixed-point world coordinates.
type Line struct {
	Id     uuid.UUID
	X1, Y1 int
	X2, Y2 int
}

// Circle is a circle primitive in fixed-point world coordinates.
type Circle struct {
	Id     uuid.UUID
	X, Y   int
	Radius int
}

// ID returns the point identifier.
func (p Point) ID() uuid.UUID { return p.Id }

// ID returns the line identifier.
func (l Line) ID() uuid.UUID { return l.Id }

// ID returns the circle identifier.
func (c Circle) ID() uuid.UUID { return c.Id }

// MinX returns the minimum X endpoint coordinate of the line.
func (l Line) MinX() int { return min(l.X1, l.X2) }

// MaxX returns the maximum X endpoint coordinate of the line.
func (l Line) MaxX() int { return max(l.X1, l.X2) }

// MinY returns the minimum Y endpoint coordinate of the line.
func (l Line) MinY() int { return min(l.Y1, l.Y2) }

// MaxY returns the maximum Y endpoint coordinate of the line.
func (l Line) MaxY() int { return max(l.Y1, l.Y2) }

// MinX returns the minimum X coordinate of the circle bbox.
func (c Circle) MinX() int { return c.X - c.Radius }

// MaxX returns the maximum X coordinate of the circle bbox.
func (c Circle) MaxX() int { return c.X + c.Radius }

// MinY returns the minimum Y coordinate of the circle bbox.
func (c Circle) MinY() int { return c.Y - c.Radius }

// MaxY returns the maximum Y coordinate of the circle bbox.
func (c Circle) MaxY() int { return c.Y + c.Radius }