package model

import "time"

// Plate describes a print bed with outer dimensions and margins on each side.
type Plate struct {
	ID           string    `json:"id"`
	Name         string    `json:"name,omitempty"`
	WidthMM      float64   `json:"width_mm"`
	HeightMM     float64   `json:"height_mm"`
	MarginTop    float64   `json:"margin_top_mm"`
	MarginRight  float64   `json:"margin_right_mm"`
	MarginBottom float64   `json:"margin_bottom_mm"`
	MarginLeft   float64   `json:"margin_left_mm"`
	CreatedAt    time.Time `json:"created_at"`
}

// PrintableWidth returns the usable width inside the margins.
func (p Plate) PrintableWidth() float64 {
	return p.WidthMM - p.MarginLeft - p.MarginRight
}

// PrintableHeight returns the usable height inside the margins.
func (p Plate) PrintableHeight() float64 {
	return p.HeightMM - p.MarginTop - p.MarginBottom
}