4 files changed, 167 insertions, 5 deletions

diff --git a/internal/exporter/exporter.go b/internal/exporter/exporter.go
new file mode 100644
index 0000000..3ecf6ef
--- /dev/null
+++ b/internal/exporter/exporter.go
@@ -0,0 +1,56 @@
+package exporter
+
+import (
+	"fmt"
+	"strings"
+)
+
+const (
+	rgbFormat = iota
+	hexFormat
+	hslFormat
+	hwbFormat
+)
+
+func Export(hex string, format int) string {
+	switch format {
+	case hexFormat:
+		return hex
+	case rgbFormat:
+		return toRgb(hex)
+	case hslFormat:
+		return "Not Implemented yet..."
+	case hwbFormat:
+		return "Not Implemented yet..."
+	default:
+		return "Unknown export format requested"
+	}
+}
+
+func toRgb(hex string) string {
+	hex = strings.TrimPrefix(hex, "#")
+	r, g, b := HexToI(hex[:2]), HexToI(hex[2:4]), HexToI(hex[4:6])
+	return fmt.Sprintf("rgb(%d, %d, %d)", r, g, b)
+}
+
+func HexToI(s string) int {
+	lenS := len(s) - 1
+	chars := "0123456789ABCDEF"
+	s = strings.ToUpper(s)
+	var ttl int = 0
+
+	for n := lenS; n >= 0; n-- {
+		done := false
+		for i := 0; i < len(chars); i++ {
+			if s[n] == chars[i] {
+				ttl += i * (n << 4)
+				done = true
+				break
+			}
+		}
+		if !done { // Still not done after checking all chars
+			return -1
+		}
+	}
+	return ttl
+}
diff --git a/internal/picker/picker.go b/internal/picker/picker.go
new file mode 100644
index 0000000..290e9f9
--- /dev/null
+++ b/internal/picker/picker.go
@@ -0,0 +1,89 @@
+package picker
+
+import (
+	"github.com/ChausseBenjamin/golorpicker/internal/slider"
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+const (
+	rgbTitle string = "RGB"
+)
+
+// A picker is a list of sliders allowing the user to select a color
+// It must therefore be capable of exporting a HEX value for previewing
+// as well as a
+
+type RGBPicker struct {
+	sliders list.Model
+	r, g, b slider.Slider
+	loaded  bool
+}
+
+func NewRGB() *RGBPicker {
+	r := slider.New("R", 0, 255)
+	g := slider.New("G", 0, 255)
+	b := slider.New("B", 0, 255)
+
+	sliders := list.New(
+		[]list.Item{*r, *g, *b},
+		list.NewDefaultDelegate(),
+		80, 6,
+	)
+	sliders.Title = rgbTitle
+	sliders.SetShowHelp(false)
+	sliders.SetShowFilter(false)
+	sliders.DisableQuitKeybindings()
+
+	return &RGBPicker{
+		sliders: sliders,
+		r:       *r,
+		g:       *g,
+		b:       *b,
+		loaded:  false,
+	}
+}
+
+func (p RGBPicker) toHex() string {
+	const txt = "0123456789ABCDEF"
+	rgb := string([]byte{
+		'#',
+		txt[(p.r.Val()>>4)&0x0F],
+		txt[p.r.Val()&0x0F],
+		txt[(p.g.Val()>>4)&0x0F],
+		txt[p.g.Val()&0x0F],
+		txt[(p.b.Val()>>4)&0x0F],
+		txt[p.b.Val()&0x0F],
+	})
+	return rgb
+}
+
+func (p RGBPicker) Init() tea.Cmd {
+	return nil
+}
+
+func (p RGBPicker) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		if p.sliders.Width() != msg.Width && !p.loaded {
+			p.sliders.SetWidth(msg.Width - 6)
+			p.loaded = true
+		}
+	case tea.KeyMsg:
+		key := msg.String()
+		for _, k := range slider.Keystrokes() {
+			if key == k {
+				m := p.sliders.Items()[p.sliders.Index()].(slider.Slider)
+				return m.Update(msg)
+			}
+		}
+	}
+
+	var cmd tea.Cmd
+	p.sliders, cmd = p.sliders.Update(msg)
+	return p, cmd
+}
+
+func (p RGBPicker) View() string {
+	return p.sliders.View()
+}
diff --git a/internal/slider/slider.go b/internal/slider/slider.go
index 0c0a89e..e882a29 100644
--- a/internal/slider/slider.go
+++ b/internal/slider/slider.go
@@ -51,8 +51,13 @@ func (s Slider) Dec(val int) (tea.Model, tea.Cmd) {
 	return s.Set(s.val - val)
 }
 
-func (s Slider) View() string {
-	return s.bar.View() + fmt.Sprintf(" (%d)", s.val)
+func (s Slider) Val() int {
+	return s.val
+}
+
+func New(name string, v int, maxV int, opt ...progress.Option) *Slider {
+	opt = append(opt, progress.WithoutPercentage())
+	return &Slider{name: name, max: maxV, val: v, options: opt}
 }
 
 func (s Slider) Animate(msg tea.Msg) (tea.Model, tea.Cmd) {
@@ -66,9 +71,8 @@ func (s Slider) Init() tea.Cmd {
 	return s.bar.Init()
 }
 
-func New(name string, v int, maxV int, opt ...progress.Option) *Slider {
-	opt = append(opt, progress.WithoutPercentage())
-	return &Slider{name: name, max: maxV, val: v, options: opt}
+func (s Slider) View() string {
+	return s.bar.View() + fmt.Sprintf(" (%d)", s.val)
 }
 
 func (s Slider) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
@@ -103,3 +107,11 @@ func (s Slider) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 }
 
 // }}}
+// Implement the list.Item interface {{{
+
+func (s Slider) FilterValue() string {
+	// Sliders shouldn't be filtered
+	return ""
+}
+
+// }}}
diff --git a/internal/tui/tui.go b/internal/tui/tui.go
new file mode 100644
index 0000000..3bbbc95
--- /dev/null
+++ b/internal/tui/tui.go
@@ -0,0 +1,5 @@
+package tui
+
+// TODO: Implement the TUI struct
+// This will be the main thing containing all elements
+type TUI struct{}