gui

var (
	EngraveFirstSideA = []Instruction{
		{
			Body: "Make sure the fingerprint above represents the intended share.",
			Lead: "seedhammer.com/tip#1",
		},
		{
			Body: "Turn off the engraver and disconnect it from this device.",
			Lead: "seedhammer.com/tip#2",
		},
		{
			Body: "Manually move the hammerhead to the far upper left position.",
			Lead: "seedhammer.com/tip#3",
		},
		{
			Body:  "Place a {{.Name}} on the machine.",
			Image: assets.Sh02,
			Lead:  "seedhammer.com/tip#4",
		},
		{
			Body: "Tighten the nuts firmly.",
			Lead: "seedhammer.com/tip#4",
		},
		{
			Body: "Loosen the hammerhead finger screw. Adjust needle distance to ~1.5 mm above the plate.",
			Lead: "seedhammer.com/tip#5",
		},
		{
			Body: "Tighten the hammerhead finger screw and make sure the depth selector is set to \"Strong\".",
			Lead: "seedhammer.com/tip#6",
		},
		{
			Body: "Turn on the engraving machine and connect this device via the middle port.",
			Lead: "seedhammer.com/tip#7",
		},
		{
			Body: "Hold button to start the engraving process. The process is loud, use hearing protection.",
			Type: ConnectInstruction,
			Lead: "seedhammer.com/tip#8",
		},
		{
			Lead: "Engraving plate",
			Type: EngraveInstruction,
			Side: 0,
		},
	}

	EngraveSideA = []Instruction{
		{
			Body: "Make sure the fingerprint above represents the intended share.",
			Lead: "seedhammer.com/tip#1",
		},
		{
			Body:  "Place a {{.Name}} on the machine.",
			Image: assets.Sh02,
			Lead:  "seedhammer.com/tip#4",
		},
		{
			Body: "Tighten the nuts firmly.",
			Lead: "seedhammer.com/tip#4",
		},
		{
			Body: "Hold button to start the engraving process. The process is loud, use hearing protection.",
			Type: ConnectInstruction,
			Lead: "seedhammer.com/tip#8",
		},
		{
			Lead: "Engraving plate",
			Type: EngraveInstruction,
			Side: 0,
		},
	}

	EngraveSideB = []Instruction{
		{
			Body: "Unscrew the 4 nuts and flip the top metal plate horizontally.",
		},
		{
			Body: "Tighten the nuts firmly.",
		},
		{
			Body: "Hold button to start the engraving process. The process is loud, use hearing protection.",
			Type: ConnectInstruction,
		},
		{
			Lead: "Engraving plate",
			Type: EngraveInstruction,
			Side: 1,
		},
	}

	EngraveSuccess = []Instruction{
		{
			Body: "Engraving completed successfully.",
		},
	}
)

var ProgressImageGen = op.RegisterParameterizedImage(func(args op.ImageArguments, x, y int) color.RGBA64 {
	src := args.Refs[0].(image.RGBA64Image)
	progress := math.Float32frombits(args.Args[0])
	b := src.Bounds()
	c := b.Max.Add(b.Min).Div(2)
	d := image.Pt(x, y).Sub(c)
	angle := float32(math.Atan2(float64(d.X), float64(d.Y)))
	angle = math.Pi - angle
	if angle > 2*math.Pi*progress {
		return color.RGBA64{}
	}
	return src.RGBA64At(x, y)
})